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Practice exam for 200-120 exam Questions for the following Topics Topic 1: Operation of IP Data Networks Topic 2: LAN Switching Technologies Topic 3: IP Addressing (IPv4/IPv6)

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CCNA Part 1

Frage 105 von 117 Frage 1 von 117

1

Which layer of the OSI reference Model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

Wähle eine der folgenden:

  • Presentation

  • Network

  • Application

  • Session

  • Transport

Erklärung

Frage 52 von 117 Frage 2 von 117

1

Which of the following describes the roles of devices in a WAN? (Choose 3)

Wähle eine oder mehr der folgenden:

  • A CSU/DSU terminates a digital local loop.

  • A modem terminates an analog local loop

  • A CSU/DSU terminates an analog local loop

  • A modem terminates a digital loop.

  • A router is commonly considered a DTE device.

  • A router is commonly considered a DCE device.

Erklärung

Frage 44 von 117 Frage 3 von 117

1

A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the network administrator is using for this operation?

Wähle eine der folgenden:

  • Transport

  • Session

  • Presentation

  • Internet

  • Application

  • Data-Link

Erklärung

Frage 21 von 117 Frage 4 von 117

1

A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?

Wähle eine der folgenden:

  • This is an Ethernet port operating at full duplex.

  • This is an Ethernet port operating at half duplex.

  • This is a port on a network interface card in a PC.

  • This is a 100 Mb/s switch port.

  • This is a 10 Mb/s switch port.

Erklärung

Frage 28 von 117 Frage 5 von 117

1

A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?

Wähle eine der folgenden:

  • Physical

  • Data-Link

  • Network

  • Session

  • Transport

Erklärung

Frage 31 von 117 Frage 6 von 117

1

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)

Wähle eine oder mehr der folgenden:

  • The transport layer divides a data stream into segments and may add reliability and flow control information.

  • Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.

  • The data link layer adds physical source and destination addresses and an FCS to the segment.

  • The presentation layer translates bits into voltages for transmission across the physical link.

  • Packets are created when the network layer adds Layer 3 addresses and control information to a segment.

Erklärung

Frage 56 von 117 Frage 7 von 117

1

Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.)

Wähle eine oder mehr der folgenden:

  • In a properly functioning network with redundant switched paths, each switched segment will contain one root bridge with all its ports in the forwarding state. All other switches in that broadcast domain will have only one root port.

  • If a switch receives a frame for an unknown destination, it uses ARP to resolve the address.

  • Microsegmentation decreases the number of collisions on the network.

  • Spanning Tree Protocol allows switches to automatically share VLAN information.

  • Switches that are configured with VLANs make forwarding decisions based on both Layer 2 and Layer 3 address information.

  • Establishing VLANs increases the number of broadcast domains.

Erklärung

Frage 104 von 117 Frage 8 von 117

1

Where does routing occur within the DoD TCP/IP reference model?

Wähle eine der folgenden:

  • Transport

  • Network

  • Internet

  • Application

Erklärung

Frage 33 von 117 Frage 9 von 117

1

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

Wähle eine oder mehr der folgenden:

  • To allow communication between different devices on the same network

  • To allow communication with devices on a different network

  • To establish a priority system to determine which device gets to transmit first

  • To differentiate a Layer 2 frame from a Layer 3 packet

  • To allow detection of a remote device when its physical address is unknown

  • To uniquely identify devices at Layer 2

Erklärung

Frage 68 von 117 Frage 10 von 117

1

In an Ethernet network, under what two scenarios can devices transmit? (Choose two.)

Wähle eine oder mehr der folgenden:

  • When they receive a special token

  • When they detect no other devices are sending

  • When there is a carrier

  • When the server grants access

  • When the medium is idle

Erklärung

Frage 89 von 117 Frage 11 von 117

1

Which layer of the OSI reference Model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

Wähle eine der folgenden:

  • Network

  • Presentation

  • Transport

  • Session

  • Application

Erklärung

Frage 75 von 117 Frage 12 von 117

1

A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?

Wähle eine der folgenden:

  • Add two more Fast Ethernet interfaces.

  • Add a second router to handle the VLAN traffic.

  • Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.

  • Implement a router-on-a-stick configuration.

Erklärung

Frage 87 von 117 Frage 13 von 117

1

What is the difference between a CSU/DSU and a modem?

Wähle eine der folgenden:

  • A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

  • A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

  • A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

  • A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Erklärung

Frage 115 von 117 Frage 14 von 117

1

Which port state is introduced by Rapid-PVST?

Wähle eine der folgenden:

  • Discarding

  • Learning

  • Forwarding

  • Listening

Erklärung

Frage 69 von 117 Frage 15 von 117

1

VLAN 3 is not yet configured on your switch. What happens if you set the switchport access VLAN 3 command in interface configuration mode?

Wähle eine der folgenden:

  • The port turns amber

  • The command is accepted and the respective VLAN is added to vlan.dat.

  • The command is rejected

  • The command is accepted and you must configure the VLAN manually.

Erklärung

Frage 43 von 117 Frage 16 von 117

1

What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?

Wähle eine der folgenden:

  • Lowest port MAC address

  • Port priority number and MAC address

  • Highest port priority number

  • Path Cost

  • VTP revision number

Erklärung

Frage 14 von 117 Frage 17 von 117

1

In a switched environment, what does the IEEE 802.1Q standard describe?

Wähle eine der folgenden:

  • VLAN pruning

  • The process of root bridge selection

  • An approach to wireless LAN communication

  • A method of VLAN trunking

  • The operation of VTP

Erklärung

Frage 12 von 117 Frage 18 von 117

1

What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?

Wähle eine der folgenden:

  • It designates VLAN 999 for untagged traffic.

  • It blocks VLAN 999 traffic from passing on the trunk.

  • It designates VLAN 999 as the default for all unknown tagged traffic.

  • It creates a VLAN 999 interface.

Erklärung

Frage 100 von 117 Frage 19 von 117

1

Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.)

Wähle eine oder mehr der folgenden:

  • SAP

  • 802.1q

  • VTP

  • STP

  • 802.1d

Erklärung

Frage 94 von 117 Frage 20 von 117

1

Which switch would STP choose to become the root bridge in the selection process?

Wähle eine der folgenden:

  • 32769: 11-22-33-44-55-65

  • 32768: 11-22-33-44-55-66

  • 32768: 22-33-44-55-66-77

  • 32769: 22-33-44-55-66-78

Erklärung

Frage 76 von 117 Frage 21 von 117

1

A switch is configured with all ports assigned to VLAN 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

Wähle eine der folgenden:

  • More bandwidth will be required than was needed previously.

  • An additional broadcast domain will be created.

  • IP address utilization will be more efficient.

  • More collision domains will be created.

Erklärung

Frage 64 von 117 Frage 22 von 117

1

What are three benefits of implementing VLANs? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.

  • A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.

  • Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.

  • Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.

  • VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain.

  • A higher level of network security can be reached by separating sensitive data traffic from other network traffic.

  • A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.

Erklärung

Frage 67 von 117 Frage 23 von 117

1

Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet?

Wähle eine der folgenden:

  • 802.1D

  • 802.1Q

  • 802.3ad

  • 802.1w

Erklärung

Frage 99 von 117 Frage 24 von 117

1

Which of the following are benefits of VLANs? (Choose three.)

Wähle eine oder mehr der folgenden:

  • They increase the size of collision domains.

  • They can enhance network security.

  • They allow logical grouping of users by function.

  • They simplify switch administration.

  • They increase the size of broadcast domains while decreasing the number of collision domains.

  • They increase the number of broadcast domains while decreasing the size of the broadcast domains.

Erklärung

Frage 27 von 117 Frage 25 von 117

1

Which two states are the port states when RSTP has converged? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Discarding

  • Learning

  • Listening

  • Forwarding

  • Disabled

Erklärung

Frage 74 von 117 Frage 26 von 117

1

Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Show interface interface

  • Show interface trunk

  • Show ip interface brief

  • show interface switchport

  • Show interface vlan

Erklärung

Frage 111 von 117 Frage 27 von 117

1

Which command enables RSTP on a switch?

Wähle eine der folgenden:

  • spanning-tree mode mst

  • spanning-tree uplinkfast

  • spanning-tree backbonefast

  • spanning-tree mode rapid-pvst

Erklärung

Frage 2 von 117 Frage 28 von 117

1

Why will a switch never learn a broadcast address?

Wähle eine der folgenden:

  • A broadcast address will never be the source address of a frame.

  • Broadcast frames are never sent to switches.

  • Broadcast addresses use an incorrect format for the switching table.

  • A broadcast frame is never forwarded by a switch.

  • Broadcasts only use network layer addressing.

Erklärung

Frage 45 von 117 Frage 29 von 117

1

Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.)

Wähle eine oder mehr der folgenden:

  • 802.3u

  • VTP

  • IGP

  • ISL

  • 802.1q

Erklärung

Frage 55 von 117 Frage 30 von 117

1

Assuming the default switch configuration, which VLAN range can be added, modified, and removed on a Cisco switch?

Wähle eine der folgenden:

  • 1 through 1001

  • 2 through 1005

  • 1 through 1002

  • 2 through 1001

Erklärung

Frage 88 von 117 Frage 31 von 117

1

Which statement about VLAN operation on Cisco Catalyst switches is true?

Wähle eine der folgenden:

  • Ports between switches should be configured in access mode so that VLANs can span across the ports.

  • Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.

  • Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

  • When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.

Erklärung

Frage 71 von 117 Frage 32 von 117

1

Which three statements about RSTP are true? (Choose three.)

Wähle eine oder mehr der folgenden:

  • RSTP port states are blocking, discarding, learning, or forwarding.

  • RSTP uses the same timer-based process as STP on point-to-point links.

  • RSTP also uses the STP proposal-agreement sequence.

  • RSTP significantly reduces topology reconverging time after a link failure.

  • RSTP expands the STP port roles by adding the alternate and backup roles.

  • RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

Erklärung

Frage 66 von 117 Frage 33 von 117

1

At which layer of the OSI model is RSTP used to prevent loops?

Wähle eine der folgenden:

  • Network

  • Physical

  • Transport

  • Data Link

Erklärung

Frage 5 von 117 Frage 34 von 117

1

What does a Layer 2 switch use to decide where to forward a received frame?

Wähle eine der folgenden:

  • destination IP address

  • destination port address

  • source switch port

  • destination MAC address

  • source IP address

  • source MAC address

Erklärung

Frage 38 von 117 Frage 35 von 117

1

Which two benefits are provided by creating VLANs? (Choose two.)

Wähle eine oder mehr der folgenden:

  • allows switches to route traffic between subinterfaces

  • dedicated bandwidth

  • added security

  • contains collisions

  • provides segmentation

Erklärung

Frage 84 von 117 Frage 36 von 117

1

Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?

Wähle eine der folgenden:

  • Ping address

  • ARP address

  • Traceroute address

  • Tracert address

Erklärung

Frage 13 von 117 Frage 37 von 117

1

Which two of these are characteristics of the 802.1Q protocol? (Choose two.)

Wähle eine oder mehr der folgenden:

  • It is used exclusively for tagging VLAN frames and does not address network reconvergence following switched network topology changes.

  • It includes an 8-bit field which specifies the priority of a frame.

  • It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.

  • It is a trunking protocol capable of carrying untagged frames.

  • It modifies the 802.3 frame header, and thus requires that the FCS be recomputed.

Erklärung

Frage 53 von 117 Frage 38 von 117

1

What is one benefit of PVST+?

Wähle eine der folgenden:

  • PVST+ automatically selects the root bridge location, to provide optimized bandwidth usage.

  • PVST+ reduces the CPU cycles for all the switches in the network.

  • PVST+ supports Layer 3 load balancing without loops.

  • PVST+ allows the root switch location to be optimized per VLAN.

Erklärung

Frage 6 von 117 Frage 39 von 117

1

Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Forwarding

  • Desirable

  • Auto

  • Transparent

  • On

  • Blocking

Erklärung

Frage 82 von 117 Frage 40 von 117

1

Which three of these statements regarding 802.1Q trunking are correct? (Choose three.)

Wähle eine oder mehr der folgenden:

  • 802.1Q trunking ports can also be secure ports.

  • 802.1Q trunks should have native VLANs that are the same at both ends.

  • 802.1Q native VLAN frames are untagged by default.

  • 802.1Q trunks require full-duplex, point-to-point connectivity.

  • 802.1Q trunks can use 10 Mb/s Ethernet interfaces.

Erklärung

Frage 109 von 117 Frage 41 von 117

1

Which term describes a spanning-tree network that has all switch ports in either the blocking or fowarding state?

Wähle eine der folgenden:

  • Spanned

  • Provisioned

  • Converged

  • Redundant

Erklärung

Frage 70 von 117 Frage 42 von 117

1

What are the possible trunking modes for a switch port? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Auto

  • Forwarding

  • Transparent

  • Client

  • Desireable

  • On

Erklärung

Frage 11 von 117 Frage 43 von 117

1

Which two of these statements regarding RSTP are correct? (Choose two.)

Wähle eine oder mehr der folgenden:

  • RSTP is a proprietary implementation of IEEE 802.1D STP.

  • RSTP defines no new port states.

  • RSTP defines new port roles.

  • RSTP cannot operate with PVST+.

  • RSTP is compatible with the original IEEE 802.1D STP.

Erklärung

Frage 29 von 117 Frage 44 von 117

1

Three switches are connected to one another via trunk ports. Assuming the default switch configuration, which switch is elected as the root bridge for the spanning-tree instance of VLAN 1?

Wähle eine der folgenden:

  • The switch with the highest MAC address

  • The switch with the lowest IP address

  • The switch with the lowest MAC address

  • The switch with the highest IP address

Erklärung

Frage 63 von 117 Frage 45 von 117

1

What are three advantages of VLANs (Choose Three)

Wähle eine oder mehr der folgenden:

  • VLANs can greatly simplify adding, moving, or changing hosts on the network.

  • VLANs allow access to network services based on department, not physical location.

  • VLANs utilize packet filtering to enhance network security.

  • VLANs establish broadcast domains in switched networks.

  • VLANs provide a low-latency internetworking alternative to routed networks.

  • VLANs provide a method of conserving IP addresses in large networks.

Erklärung

Frage 48 von 117 Frage 46 von 117

1

Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.
What will happen in this scenario?

Wähle eine der folgenden:

  • A native VLAN mismatch error message will appear.

  • 802.1Q giants frames could saturate the link.

  • VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.

  • VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.

Erklärung

Frage 26 von 117 Frage 47 von 117

1

You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the maximum number of subnets. Which network address and subnet mask meet this requirement?

Wähle eine der folgenden:

  • 192.168.252.16 255.255.255.252

  • 192.168.252.8 255.255.255.248

  • 192.168.252.0 255.255.255.252

  • 192.168.252.16 255.255.255.240

  • 192.168.252.8 255.255.255.252

Erklärung

Frage 46 von 117 Frage 48 von 117

1

Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network address?

Wähle eine der folgenden:

  • 172.16.0.0

  • 172.16.16.0

  • 172.16.24.0

  • 172.16.28.0

Erklärung

Frage 47 von 117 Frage 49 von 117

1

Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?

Wähle eine der folgenden:

  • 2000::/3

  • ::

  • ::1

  • 0::/10

Erklärung

Frage 103 von 117 Frage 50 von 117

1

You are working in a data center environment and are assigned the address range 10.188.31.0/23. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements?

Wähle eine der folgenden:

  • 10.188.31.0/29

  • 10.188.31.0/27

  • 10.188.31.0/25

  • 10.188.31.0/28

  • 10.188.31.0/26

Erklärung

Frage 59 von 117 Frage 51 von 117

1

What are three features of the IPv6 protocol? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Checksum

  • Optional IPsec

  • Autoconfiguration

  • Complicated header

  • Plug-and-play

  • No broadcasts

Erklärung

Frage 112 von 117 Frage 52 von 117

1

Which command enables IPv6 forwarding on a Cisco router?

Wähle eine der folgenden:

  • IPv6 host

  • IPv6 neighbor

  • IPv6 local

  • IPv6 unicast-routing

Erklärung

Frage 36 von 117 Frage 53 von 117

1

What is known as "one-to-nearest" addressing in IPv6?

Wähle eine der folgenden:

  • Unspecified address

  • Multicast

  • Global Unicast

  • Anycast

Erklärung

Frage 20 von 117 Frage 54 von 117

1

What is the first 24 bits in a MAC address called?

Wähle eine der folgenden:

  • VAI

  • NIC

  • BIA

  • OUI

Erklärung

Frage 95 von 117 Frage 55 von 117

1

Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?

Wähle eine der folgenden:

  • 255.255.252.0

  • 255.255.255.0

  • 255.255.254.0

  • 255.255.248.0

Erklärung

Frage 58 von 117 Frage 56 von 117

1

What is the most appropriate summarization for these routes?

Wähle eine der folgenden:

  • 10.0.0.0/21

  • 10.0.0.0/22

  • 10.0.0.0/23

  • 10.0.0.0/24

Erklärung

Frage 9 von 117 Frage 57 von 117

1

Which two are features of IPv6? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Podcast

  • Allcast

  • Multicast

  • Anycast

  • Broadcast

Erklärung

Frage 107 von 117 Frage 58 von 117

1

Which two of these statements are true of IPv6 address representation? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Every IPv6 interface contains at least one loopback address.

  • Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.

  • A single interface may be assigned multiple IPv6 addresses of any type.

  • There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.

  • The first 64 bits represent the dynamically created interface ID.

Erklärung

Frage 77 von 117 Frage 59 von 117

1

A new subnet with 60 hosts has been added to the network. Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses?

Wähle eine der folgenden:

  • 192.168.1.56/26

  • 192.168.1.64/27

  • 192.168.1.64/26

  • 192.168.1.56/27

Erklärung

Frage 30 von 117 Frage 60 von 117

1

The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?

Wähle eine der folgenden:

  • 16

  • 30

  • 6

  • 14

  • 32

  • 8

Erklärung

Frage 4 von 117 Frage 61 von 117

1

What will happen if a private IP address is assigned to a public interface connected to an ISP?

Wähle eine der folgenden:

  • Only the ISP router will have the capability to access the public network.

  • A conflict of IP addresses happens, because other public routers can use the same range.

  • Addresses in a private range will be not be routed on the Internet backbone.

  • The NAT process will be used to translate this address to a valid IP address.

Erklärung

Frage 98 von 117 Frage 62 von 117

1

Which two benefits are provided by using a hierarchical addressing network addressing scheme?
(Choose two.)

Wähle eine oder mehr der folgenden:

  • Efficient utilization of MAC addresses

  • Reduces routing table entries

  • Auto-negotiation of media rates

  • Ease of management and troubleshooting

  • Dedicated communications between devices

Erklärung

Frage 97 von 117 Frage 63 von 117

1

What is the alternative notation for the IPv6 address
B514:82C3:0000:0000:0029:EC7A:0000:EC72?

Wähle eine der folgenden:

  • B514 : 82C3 : 0029 :: EC7A : 0000 : EC72

  • B514 : 82C3 :: 0029 : EC7A : 0 : EC72

  • B514 : 82C3 : 0029 : EC7A : EC72

  • B514 : 82C3 :: 0029 : EC7A : EC72

Erklärung

Frage 85 von 117 Frage 64 von 117

1

All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? (Choose three.)

Wähle eine oder mehr der folgenden:

  • The subnet mask in use is 255.255.255.128.

  • The IP address 172.16.1.25 can be assigned to hosts in VLAN1

  • The subnet mask in use is 255.255.255.192.

  • The LAN interface of the router is configured with one IP address.

  • The LAN interface of the router is configured with multiple IP addresses.

  • The IP address 172.16.1.205 can be assigned to hosts in VLAN1

Erklärung

Frage 54 von 117 Frage 65 von 117

1

Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Link-local addresses start with FF00::/10.

  • Link-local addresses start with FE00:/12.

  • There is only one loopback address and it is ::1.

  • If a global address is assigned to an interface, then that is the only allowable address for the
    interface.

  • Global addresses start with 2000::/3.

Erklärung

Frage 24 von 117 Frage 66 von 117

1

The network administrator has been asked to give reasons for moving from IPv4 to IPv6. What are
two valid reasons for adopting IPv6 over IPv4? (Choose two.)

Wähle eine oder mehr der folgenden:

  • No broadcast

  • NAT

  • Telnet access does not require a password

  • Change of source address in the IPv6 header

  • Autoconfiguration

  • Change of destination address in the IPv6 header

Erklärung

Frage 102 von 117 Frage 67 von 117

1

An administrator must assign static IP addresses to the servers in a network. For network
192.168.20.24/29, the router is assigned the first usable host address while the sales server is
given the last usable host address. Which of the following should be entered into the IP properties
box for the sales server?

Wähle eine der folgenden:

  • IP address: 192.168.20.30
    Subnet Mask: 255.255.255.240
    Default Gateway: 192.168.20.25

  • IP address: 192.168.20.254
    Subnet Mask: 255.255.255.0
    Default Gateway: 192.168.20.1

  • IP address: 192.168.20.30
    Subnet Mask: 255.255.255.240
    Default Gateway: 192.168.20.17

  • IP address: 192.168.20.14
    Subnet Mask: 255.255.255.248
    Default Gateway: 192.168.20.9

  • IP address: 192.168.20.30
    Subnet Mask: 255.255.255.248
    Default Gateway: 192.168.20.25

Erklärung

Frage 65 von 117 Frage 68 von 117

1

Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?

Wähle eine der folgenden:

  • 255.255.255.240

  • 0.0.0.240

  • 255.255.255.224

  • 255.255.255.252

  • 255.255.255.0

Erklärung

Frage 62 von 117 Frage 69 von 117

1

How many bits are contained in each field of an IPv6 address?

Wähle eine der folgenden:

  • 16

  • 24

  • 4

  • 8

Erklärung

Frage 42 von 117 Frage 70 von 117

1

What are three approaches that are used when migrating from an IPv4 addressing scheme to an
IPv6 scheme. (Choose three.)

Wähle eine oder mehr der folgenden:

  • Configure IPv6 directly

  • Configure IPv4 tunnels between IPv6 islands

  • Use DHCPv6 to map IPv4 addresses to IPv6 addresses

  • Statically map IPv4 addresses to IPv6 addresses

  • Use proxying and translation to translate IPv6 packets into IPv4 packets

  • Enable dual-stack routing

Erklärung

Frage 79 von 117 Frage 71 von 117

1

How is an EUI-64 format interface ID created from a 48-bit MAC address?

Wähle eine der folgenden:

  • By prefixing the MAC address with 0xFFEE

  • By prefixing the MAC address with 0xFF and appending 0xFF to it

  • By inserting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address

  • By prefixing the MAC address with 0xF and inserting 0xF after each of its first three bytes

  • By appending 0xFF to the MAC address

Erklärung

Frage 19 von 117 Frage 72 von 117

1

Which three are characteristics of an IPv6 anycast address? (Choose three.)

Wähle eine der folgenden:

  • The same address for multiple devices in the group

  • Any-to-many communication model

  • A unique IPv6 address for each device in the group

  • One-to-many communication model

  • Delivery of packets to the group interface that is closest to the sending device

  • One-to-nearest communication model

Erklärung

Frage 39 von 117 Frage 73 von 117

1

Which option is a valid IPv6 address?

Wähle eine der folgenden:

  • 2001:0000:130F::099a::12a

  • FEC0:ABCD:WXYZ:0067::2A4

  • 2002:7654:A1AD:61:81AF:CCC1

  • 2004:1:25A4:886F::1

Erklärung

Frage 50 von 117 Frage 74 von 117

1

A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose two.)

Wähle eine oder mehr der folgenden:

  • 255.255.255.224

  • 255.255.252.0

  • 255.255.255.128

  • 255.255.248.0

  • 255.255.255.0

  • 255.255.255.192

Erklärung

Frage 116 von 117 Frage 75 von 117

1

Which IPv6 address is the all-router multicast group?

Wähle eine der folgenden:

  • FF02::3

  • FF02::1

  • FF02::4

  • FF02::2

Erklärung

Frage 80 von 117 Frage 76 von 117

1

Which IPv6 address is valid?

Wähle eine der folgenden:

  • 2031::130F::9C0:876A:130B

  • 2031:0:130F::9C0:876A:130B

  • 2001:0db8:0000:130F:0000:0000:08GC:140B

  • 2001:0db8:0:130H::87C:140B

Erklärung

Frage 40 von 117 Frage 77 von 117

1

Which command can you use to manually assign a static IPv6 address to a router interface?

Wähle eine der folgenden:

  • ipv6 autoconfig 2001:db8:2222:7272::72/64

  • ipv6 address PREFIX_1 ::1/64

  • ipv6 address 2001:db8:2222:7272::72/64

  • ipv6 autoconfig

Erklärung

Frage 110 von 117 Frage 78 von 117

1

Which of these represents an IPv6 link-local address?

Wähle eine der folgenden:

  • FE80::380e:611a:e14f:3d69

  • FE81::280f:512b:e14f:3d69

  • FE08::280e:611:a:f14f:3d69

  • FEFE:0345:5f1b::e14d:3d69

Erklärung

Frage 78 von 117 Frage 79 von 117

1

The network administrator is asked to configure 113 point-to-point links. Which IP addressing scheme defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?

Wähle eine der folgenden:

  • 10.10.1.0/24 subnetted with mask 255.255.255.252

  • 10.10.0.0/23 subnetted with mask 255.255.255.252

  • 10.10.1.0/25 subnetted with mask 255.255.255.252

  • 10.10.0.0/18 subnetted with mask 255.255.255.252

  • 10.10.0.0/16 subnetted with mask 255.255.255.252

Erklärung

Frage 83 von 117 Frage 80 von 117

1

What will Router1 do when it receives the data frame shown? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965.

  • Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1.

  • Router1 will strip off the destination IP address and replace it with the IP address of 192.168.40.1.

  • Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320.

  • Router1 will forward the data packet out interface FastEthernet0/2.

  • Router1 will forward the data packet out interface FastEthernet0/1.

Erklärung

Frage 60 von 117 Frage 81 von 117

1

Which three statements correctly describe Network Device A? (Choose three.)

Wähle eine oder mehr der folgenden:

  • With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

  • With a network wide mask of 255.255.254.0, each interface does not require an IP address.

  • With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

  • With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.

  • With a network wide mask of 255.255.255.128, each interface does not require an IP address.

Erklärung

Frage 22 von 117 Frage 82 von 117

1

Host A pings interface S0/0 on router 3. What is the TTL value for that ping?

Wähle eine der folgenden:

  • 254

  • 253

  • 252

  • 255

Erklärung

Frage 15 von 117 Frage 83 von 117

1

After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission?

Wähle eine der folgenden:

Erklärung

Frage 113 von 117 Frage 84 von 117

1

Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?

Wähle eine der folgenden:

  • The MAC address of host A

  • The MAC address of the server network interface

  • The MAC address of router interface e0

  • The MAC address of router interface e1

Erklärung

Frage 96 von 117 Frage 85 von 117

1

What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN? (Choose two.)

Wähle eine oder mehr der folgenden:

  • The number of collision domains would increase.

  • The number of collision domains would decrease.

  • The number of broadcast domains would decrease.

  • The number of broadcast domains would increase.

  • The number of broadcast domains would remain the same.

  • The number of collision domains would remain the same.

Erklärung

Frage 32 von 117 Frage 86 von 117

1

Which destination addresses will be used by Host A to send data to Host C? (Choose two.)

Wähle eine oder mehr der folgenden:

  • The MAC address of Host C

  • The MAC address of Switch 1

  • The IP address of the router's E0 interface

  • The IP address of Switch 1

  • The MAC address of the router's E0 interface

  • The IP address of Host C

Erklärung

Frage 93 von 117 Frage 87 von 117

1

Based on the information given, which switch will be elected root bridge and why?

Wähle eine oder mehr der folgenden:

  • Switch C, because it has the lowest priority

  • Switch D, because it has the highest priority

  • Switch A, because it is the most centrally located switch

  • Switch A, because it has the lowest MAC address

  • Switch B, because it has the highest MAC address

  • Switch C, because it is the most centrally located switch

Erklärung

Frage 34 von 117 Frage 88 von 117

1

Which of the following statements describe the network shown in the graphic? (Choose two.)

Wähle eine oder mehr der folgenden:

  • There are seven collision domains in the network.

  • There are four broadcast domains in the network.

  • There are two broadcast domains in the network.

  • There are four collision domains in the network.

  • There are six broadcast domains in the network.

  • There are five collision domains in the network.

Erklärung

Frage 108 von 117 Frage 89 von 117

1

Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down.

Wähle eine oder mehr der folgenden:

  • Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.

  • Router C will use ICMP to inform Router B that Host 2 cannot be reached.

  • Router C will send a Source Quench message type.

  • Router C will send a Destination Unreachable message type.

  • Router C will send a Router Selection message type.

  • Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.

Erklärung

Frage 117 von 117 Frage 90 von 117

1

Refer to the exhibit
Switch port FastEthernet 0/24 on ALSwitch1 will be used to create an IEEE 802.1Q-compliant trunk to another switch. Based on the output shown, what is the reason the trunk does not form, even though the proper cabling has been attached?.

Wähle eine der folgenden:

  • VLANs have not been created yet.

  • The port is currently configured for access mode.

  • An IP address must be configured for the port.

  • The correct encapsulation type has not been configured.

  • The “no shutdown” command has not been entered for the port.

Erklärung

Frage 72 von 117 Frage 91 von 117

1

Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4. What will Switch-1 do with this data?

Wähle eine der folgenden:

  • Switch-1 will forward the data to its default gateway.

  • Switch-1 will flood the data out all of its ports except the port from which the data originated.

  • Switch-1 will send an ARP request out all its ports except the port from which the data originated.

  • Switch-1 will drop the data because it does not have an entry for that MAC address.

Erklärung

Frage 3 von 117 Frage 92 von 117

1

A technician has installed SwitchB and needs to configure it for remote access from the management workstation connected to SwitchA. Which set of commands is required to
accomplish this task?

Wähle eine der folgenden:

  • SwitchB(config)# interface vlan 1
    SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0
    SwitchB(config-if)# ip default-gateway 192.168.8.254 255.255.255.0
    SwitchB(config-if)# no shutdown

  • SwitchB(config)# interface FastEthernet 0/1
    SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0
    SwitchB(config-if)# no shutdown

  • SwitchB(config)# ip default-network 192.168.8.254
    SwitchB(config)# interface vlan 1
    SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0
    SwitchB(config-if)# no shutdown

  • SwitchB(config)# ip default-gateway 192.168.8.254
    SwitchB(config)# interface vlan 1
    SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0
    SwitchB(config-if)# no shutdown

  • SwitchB(config)# ip route 192.168.8.254 255.255.255.0
    SwitchB(config)# interface FastEthernet 0/1
    SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0
    SwitchB(config-if)# no shutdown

Erklärung

Frage 114 von 117 Frage 93 von 117

1

All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?

Wähle eine der folgenden:

  • VTP is not configured to carry VLAN information between the switches.

  • The access link needs to be configured in multiple VLANs.

  • The link between the switches needs to be configured as a trunk.

  • Switch IP addresses must be configured in order for traffic to be forwarded between the switches.

  • The link between the switches is configured in the wrong VLAN.

Erklärung

Frage 57 von 117 Frage 94 von 117

1

Which WAN protocol is being used?

Wähle eine der folgenden:

  • HDLC

  • Frame Relay

  • PPP

  • ATM

Erklärung

Frage 101 von 117 Frage 95 von 117

1

Given the output shown from this Cisco Catalyst 2950, what is the reason that interface FastEthernet 0/10 is not the root port for VLAN 2?

Wähle eine der folgenden:

  • This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

  • This switch has a lower bridge ID for VLAN 2 than the elected designated switch.

  • This switch has more than one interface connected to the root network segment in VLAN 2.

  • This switch interface has a higher path cost to the root bridge than another in the topology.

Erklärung

Frage 86 von 117 Frage 96 von 117

1

Why has this switch not been elected the root bridge for VLAN1?

Wähle eine der folgenden:

  • It has more than one interface that is connected to the root network segment.

  • It is running RSTP while the elected root bridge is running 802.1d spanning tree.

  • It has a higher MAC address than the elected root bridge.

  • It has a higher bridge ID than the elected root bridge.

Erklärung

Frage 1 von 117 Frage 97 von 117

1

Which ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three)

Wähle eine oder mehr der folgenden:

  • Switch C - Fa0/1

  • Switch A - Fa0/1

  • Switch A - Fa0/0

  • Switch B - Fa0/1

  • Switch C - Fa0/0

  • Switch B - Fa0/0

Erklärung

Frage 8 von 117 Frage 98 von 117

1

How should the FastEthernet0/1 ports on the 2950 model switches that are shown in the exhibit be configured to allow connectivity between all devices?

Wähle eine der folgenden:

  • SwitchX(config)# interface fastethernet 0/1
    SwitchX(config-if)# switchport mode trunk

  • The ports only need to be connected by a crossover cable.

  • SwitchX(config)# interface fastethernet 0/1
    SwitchX(config-if)# switchport mode trunk
    SwitchX(config-if)# switchport trunk vlan 1
    SwitchX(config-if)# switchport trunk vlan 10
    SwitchX(config-if)# switchport trunk vlan 20

  • SwitchX(config)# interface fastethernet 0/1
    SwitchX(config-if)# switchport mode access
    SwitchX(config-if)# switchport access vlan 1

Erklärung

Frage 90 von 117 Frage 99 von 117

1

A frame on VLAN 1 on switch S1 is sent to switch S2 where the frame is received on VLAN 2.
What causes this behavior?

Wähle eine der folgenden:

  • Trunk mode mismatches

  • Allowing only VLAN 2 on the destination

  • VLANs that do not correspond to a unique IP subnet

  • Native VLAN mismatches

Erklärung

Frage 61 von 117 Frage 100 von 117

1

Which statement is true?

Wähle eine der folgenden:

  • The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.

  • VLAN 20 is running the Per VLAN Spanning Tree Protocol.

  • The MAC address of the root bridge is 0017.596d.1580.

  • SwitchA is not the root bridge, because not all of the interface roles are designated.

Erklärung

Frage 49 von 117 Frage 101 von 117

1

Which option contains both the potential networking problem and the protocol or setting that should be used to prevent the problem?

Wähle eine der folgenden:

  • switching loops, VTP

  • routing loops, hold down timers

  • switching loops, STP

  • routing loops, STP

  • routing loops, split horizon

  • switching loops, split horizon

Erklärung

Frage 51 von 117 Frage 102 von 117

1

Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit.

  • Router1 and Switch2 should be connected via a crossover cable.

  • Router1 will not play a role in communications between host A and host D.

  • The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.

  • Host E and host F use the same IP gateway address.

  • The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type.

Erklärung

Frage 17 von 117 Frage 103 von 117

1

Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)

Wähle eine oder mehr der folgenden:

  • SwitchB, Gi0/2, root

  • SwitchB, Gi0/1, designated

  • SwitchC, Fa0/2, root

  • SwitchA, Fa0/2, designated

  • SwitchD, Gi0/2, root

  • SwitchA, Fa0/1, root

Erklärung

Frage 81 von 117 Frage 104 von 117

1

The network administrator normally establishes a Telnet session with the switch from host A. However, host A is unavailable. The administrator's attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. What is the issue?

Wähle eine der folgenden:

  • Host B needs to be assigned an IP address in VLAN 1.

  • The switch interfaces need the appropriate IP addresses assigned.

  • Host B and the switch need to be in the same subnet.

  • The switch needs an appropriate default gateway assigned.

  • The switch interface connected to the router is down.

Erklärung

Frage 92 von 117 Frage 105 von 117

1

Which switch provides the spanning-tree designated port role for the network segment that services the printers?

Wähle eine der folgenden:

  • Switch1

  • Switch2

  • Switch3

  • Switch4

Erklärung

Frage 16 von 117 Frage 106 von 117

1

How many broadcast domains are shown in the graphic assuming only the default VLAN is configured on the switches?

Wähle eine der folgenden:

  • Twelve

  • Two

  • Six

  • One

Erklärung

Frage 91 von 117 Frage 107 von 117

1

The output that is shown is generated at a switch. Which three statements are true? (Choose three.)

Wähle eine oder mehr der folgenden:

  • Thirty VLANs have been configured on this switch.

  • The bridge priority is lower than the default value for spanning tree.

  • This switch must be the root bridge for all VLANs on this switch.

  • All ports will be in a state of discarding, learning, or forwarding.

  • All interfaces that are shown are on shared media.

  • All designated ports are in a forwarding state.

Erklärung

Frage 35 von 117 Frage 108 von 117

1

At the end of an RSTP election process, which access layer switch port will assume the discarding role?

Wähle eine der folgenden:

  • Switch4, port fa0/11

  • Switch3, port Gi0/1

  • Switch4, port fa0/2

  • Switch3, port fa0/12

  • Switch3, port Gi0/2

  • Switch3, port fa0/1

Erklärung

Frage 41 von 117 Frage 109 von 117

1

Which two statements are true of the interfaces on Switch1? (Choose two.)

Wähle eine oder mehr der folgenden:

  • A hub is connected directly to FastEthernet0/5.

  • Interface FastEthernet0/2 has been disabled.

  • Multiple devices are connected directly to FastEthernet0/1.

  • FastEthernet0/5 has statically assigned MAC addresses.

  • FastEthernet0/1 is connected to a host with multiple network interface cards.

  • FastEthernet0/1 is configured as a trunk link.

Erklärung

Frage 10 von 117 Frage 110 von 117

1

A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?

Wähle eine der folgenden:

  • This design will function as intended.

  • The router will not accept the addressing scheme.

  • Spanning-tree will need to be used.

  • The connection between switches should be a trunk.

  • The router interfaces must be encapsulated with the 802.1Q protocol.

Erklärung

Frage 18 von 117 Frage 111 von 117

1

A technician is troubleshooting host connectivity issues on the switches. The hosts in VLANs 10 and 15 on Sw11 are unable to communicate with hosts in the same VLANs on Sw12. Hosts in the Admin VLAN are able to communicate. The port-to-VLAN assignments are identical on the two switches. What could be the problem?

Wähle eine der folgenden:

  • A router is required for hosts on SW11 in VLANs 10 and 15 to communicate with hosts in the same VLAN on Sw12.

  • The Fa0/1 port is not operational on one of the switches.

  • Port FastEthernet 0/1 needs to be configured as an access link on both switches.

  • The link connecting the switches has not been configured as a trunk.

  • At least one port needs to be configured in VLAN 1 for VLANs 10 and 15 to be able to communicate.

Erklärung

Frage 23 von 117 Frage 112 von 117

1

Given this output for SwitchC, what should the network administrator's next action be?

Wähle eine der folgenden:

  • Check the duplex mode for SwitchA's fa0/2 port.

  • Check the duplex mode for SwitchC's fa0/1 port.

  • Check the trunk encapsulation mode for SwitchA's fa0/2 port.

  • Check the trunk encapsulation mode for SwitchC's fa0/1 port.

Erklärung

Frage 106 von 117 Frage 113 von 117

1

All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A? (Choose two.)

Wähle eine oder mehr der folgenden:

  • Link A - 172.16.3.112/30

  • Link A - 172.16.3.0/30

  • Network A - 172.16.3.48/26

  • Network A - 172.16.3.128/25

  • Link A - 172.16.3.40/30

  • Network A - 172.16.3.192/26

Erklärung

Frage 25 von 117 Frage 114 von 117

1

In this VLSM addressing scheme, what summary address would be sent from router A?

Wähle eine der folgenden:

  • 172.32.0.0 /16

  • 172.32.0.0 /17

  • 172.16.0.0 /20

  • 172.16.0.0 /16

  • 172.64.0.0 /16

  • 172.16.0.0 /24

Erklärung

Frage 7 von 117 Frage 115 von 117

1

What is the most efficient summarization that R1 can use to advertise its networks to R2?

Wähle eine der folgenden:

  • 172.1.4.0/25
    172.1.4.128/25
    172.1.5.0/24
    172.1.6.0/24
    172.1.7.0/24

  • 172.1.0.0/22

  • 172.1.4.0/24
    172.1.5.0/24
    172.1.6.0/24
    172.1.7.0/24

  • 172.1.4.0/22

  • 172.1.0.0/21

Erklärung

Frage 37 von 117 Frage 116 von 117

1

A network administrator is adding two new hosts to SwitchA. Which three values could be used for the configuration of these hosts? (Choose three.)

Wähle eine oder mehr der folgenden:

  • host A IP address: 192.168.1.64

  • host B IP address: 192.168.1.190

  • host B default gateway: 192.168.1.129

  • host B IP address: 192.168.1.128

  • host A default gateway: 192.168.1.78

  • host A IP address: 192.168.1.79

Erklärung

Frage 73 von 117 Frage 117 von 117

1

Which address range efficiently summarizes the routing table of the addresses for router Main?

Wähle eine der folgenden:

  • 172.16.0.0./21

  • 172.16.0.0./20

  • 172.16.0.0./16

  • 172.16.0.0/18

Erklärung

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