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ICND 1

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Quiz sobre ICND 1, criado por Kaylynn Schulder em 30-10-2014.
Kaylynn Schulder
Quiz por Kaylynn Schulder, atualizado more than 1 year ago
Kaylynn Schulder
Criado por Kaylynn Schulder aproximadamente 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
The ip helper-address command does what?
Responda
  • A. assigns an IP address to a host
  • B. resolves an IP address from a DNS server
  • C. relays a DHCP request across networks
  • D. resolves an IP address overlapping issue

Questão 2

Questão
What is the best practice when assigning IP addresses in a small office of six hosts?
Responda
  • . Use a DHCP server that is located at the headquarters.
  • Use a DHCP server that is located at the branch office.
  • Assign the addresses by using the local CDP protocol.
  • Assign the addresses statically on each node.

Questão 3

Questão
Refer to the exhibit. As packets travel from Mary to Robert, which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three)
Image:
IP_routing_1_Q3 (image/jpg)
Responda
  • HUB 1
  • Switch 1
  • Router 1
  • Switch 2
  • Router 2
  • Switch 3

Questão 4

Questão
Refer to the exhibit. HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point?
Image:
IP_routing_1_Q4 (image/jpg)
Responda
  • A. abcd. 1123.0045
  • B. 192.168.7.17
  • C. aabb.5555.2222
  • D. 192.168.1.1
  • E. abcd.2246.0035

Questão 5

Questão
The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router. No routing protocols or other static routes are configured on the router. Which statement is true about this command?
Responda
  • A. The interface with IP address 192.168.10.2 is on this router.
  • B. The command sets a gateway of last resort for the router.
  • Packets that are destined for host 192.168.100.160 will be sent to 192.168.10.2.
  • The command creates a static route for all IP traffic with the source address 192.168.100.160.

Questão 6

Questão
What does administrative distance refer to?
Responda
  • . the cost of a link between two neighboring routers
  • the advertised cost to reach a network
  • the cost to reach a network that is administratively set
  • a measure of the trustworthiness of a routing information source

Questão 7

Questão
Refer to the exhibit. If host A sends an IP packet to host B, what will the source physical address be in the frame when it reaches host B?
Image:
IP_routing_1_Q7 (image/jpg)
Responda
  • 10.168.10.99
  • 10.168.11.88
  • A1:A1:A1:A1:A1:A1
  • B2:B2:B2:B2:B2:B2
  • C3:C3:C3:C3:C3:C3
  • D4:D4:D4:D4:D4:D4

Questão 8

Questão
Refer to the exhibit. Host A is sending a packet to Host B for the first time. What destination MAC address will Host A use in the ARP request?
Image:
IP_routing_1_Q8 (image/jpg)
Responda
  • 192.168.0.1
  • 172.16.0.50
  • 00-17-94-61-18-b0
  • 00-19-d3-2d-c3-b2
  • ff-ff-ff-ff-ff-ff
  • 255.255.255.255

Questão 9

Questão
Refer to the exhibit. Host A can communicate with Host B but not with Host C or D. How can the network administrator solve this problem?
Image:
IP_routing_1_Q9 (image/jpg)
Responda
  • Configure Hosts C and D with IP addresses in the 192.168.2.0 network.
  • Install a router and configure a route to route between VLANs 2 and 3.
  • Install a second switch and put Hosts C and D on that switch while Hosts A and B remain on the original switch.
  • Enable the VLAN trunking protocol on the switch.

Questão 10

Questão
Refer to the exhibit. The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the source IP address of the packet as it leaves the Kiev router?
Image:
IP_routing_1_Q10 (image/jpg)
Responda
  • 10.1.0.1
  • 10.1.0.5
  • 10.1.0.6
  • 10.1.0.14
  • 10.1.1.16
  • 10.1.2.8

Questão 11

Questão
Refer to the exhibit. Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?
Image:
IP_routing_2_Q1 (image/jpg)
Responda

Questão 12

Questão
Refer to the exhibit. Which two statements are correct? (Choose two)
Image:
IP_routing_2_Q2 (image/jpg)
Responda
  • This is a default route.
  • Adding the subnet mask is optional for the ip route command.
  • This will allow any host on the 172.16.1.0 network to reach all known destinations beyond RouterA.
  • This command is incorrect, it needs to specify the interface, such as s0/0/0 rather than an IP address.
  • The same command needs to be entered on RouterA so that hosts on the 172.16.1.0 network can reach network 10.0.0.0.

Questão 13

Questão
Refer to the exhibit. Which command would you use to configure a static route on Router1 to network 192.168.202.0/24 with a nondefault administrative distance?
Image:
IP_routing_2_Q3 (image/jpg)
Responda
  • router1(config)#ip route 1 192.168.201.1 255.255.255.0 192.168.201.2
  • router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 1
  • router1(config)#ip route 5 192.168.202.0 255.255.255.0 192.168.201.2
  • router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 5

Questão 14

Questão
Refer to the exhibit. The output is from a router in a large enterprise. From the output, determine the role of the router.
Image:
IP_routing_2_Q4 (image/jpg)
Responda
  • A Core router.
  • The HQ Internet gateway router.
  • The WAN router at the central site.
  • Remote stub router at a remote site.

Questão 15

Questão
Refer to the exhibit. What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?
Image:
IP_routing_2_Q5 (image/jpg)
Responda
  • router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2
  • router2(config)#ip route 10.89.3.0 255.255.0.0 10.89.16.2
  • router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.1
  • router2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1

Questão 16

Questão
Refer to the exhibit. What must be configured to establish a successful connection from Host A to switch SW-A through router RT-A?
Image:
IP_routing_2_Q6 (image/jpg)
Responda
  • VLAN 1 on RT-A
  • IP routing on SW-A
  • default gateway on SW-A
  • crossover cable connecting SW-A and RT-A

Questão 17

Questão
Refer to the exhibit. Which default gateway address should be assigned to HostA?
Image:
IP_routing_2_Q7 (image/jpg)
Responda
  • 192.168.1.1
  • 192.168.1.65
  • 192.168.1.66
  • 192.168.1.129
  • 10.1.1.1
  • 10.1.1.2

Questão 18

Questão
Which OSI layer header contains the address of a destination host that is on another network?
Responda
  • A. application
  • B. session
  • C. transport
  • D. network
  • E. data link
  • F. physical

Questão 19

Questão
At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?
Responda
  • A. application
  • B. transport
  • C. network
  • D. physical
  • E. data link

Questão 20

Questão
What are two common TCP applications? (Choose two)
Responda
  • A. TFTP
  • B. SMTP
  • C. SNMP
  • D. FTP
  • E. DNS

Questão 21

Questão
Which two characteristics describe the access layer of the hierarchical network design model? (Choose two)
Responda
  • A. layer 3 support
  • B. port security
  • C. redundant components
  • D. VLANs
  • E. PoE

Questão 22

Questão
Which layer of the TCP/IP stack combines the OSI model physical and data link layers?
Responda
  • A. Internet layer
  • B. transport layer
  • C. application layer
  • D. network access layer

Questão 23

Questão
Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?
Responda
  • A. Physical
  • B. Data-link
  • C. Transport
  • D. Network

Questão 24

Questão
Which network device functions only at Layer 1 of the OSI model?
Responda
  • bridge
  • hub
  • NIC
  • router
  • switch

Questão 25

Questão
Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two)
Responda
  • A. It is locally significant.
  • B. It is globally significant.
  • C. It is needed to identify a unique instance of an OSPF database.
  • D. It is an optional parameter required only if multiple OSPF processes are running on the router.
  • E. All routers in the same OSPF area must have the same process ID if they are to exchange routing information.

Questão 26

Questão
Which statements describe the routing protocol OSPF? (Choose three)
Responda
  • A. It supports VLSM.
  • B. It is used to route between autonomous systems.
  • C. It confines network instability to one area of the network.
  • D. It increases routing overhead on the network.
  • E. It allows extensive control of routing updates.
  • F. It is simpler to configure than RIPv2.

Questão 27

Questão
Which address are OSPF hello packets addressed to on point-to-point networks?
Responda
  • A. 224.0.0.5
  • B. 172.16.0.1
  • C. 192.168.0.5
  • D. 223.0.0.1
  • E. 254.255.255.255

Questão 28

Questão
What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two)
Responda
  • A. hello packets
  • B. SAP messages sent by other routers
  • C. LSAs from other routers
  • D. beacons received on point-to-point links
  • E. routing tables received from other link-state routers
  • F. TTL packets from designated routers

Questão 29

Questão
Which protocol uses a connection-oriented service to deliver files between end systems?
Responda
  • A. TFTP
  • B. DNS
  • C. FTP
  • D. SNMP
  • E. RIP

Questão 30

Questão
On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?
Responda
  • A. RTP
  • B. TCP
  • C. CDP
  • D. UDP

Questão 31

Questão
Which statements accurately describe CDP? (Choose three)
Responda
  • A. CDP is an IEEE standard protocol.
  • B. CDP is a Cisco proprietary protocol.
  • C. CDP is a datalink layer protocol.
  • D. CDP is a network layer protocol.
  • E. CDP can discover directly connected neighboring Cisco devices.
  • F. CDP can discover Cisco devices that are not directly connected.

Questão 32

Questão
A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?
Responda
  • A. HTTP
  • B. DNS
  • C. DHCP
  • D. RARP
  • E. ARP

Questão 33

Questão
Which statements are true regarding ICMP packets? (Choose two)
Responda
  • A. They acknowledge receipt of TCP segments.
  • B. They guarantee datagram delivery
  • C. TRACERT uses ICMP packets.
  • D. They are encapsulated within IP datagrams.
  • E. They are encapsulated within UDP datagrams

Questão 34

Questão
An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?
Responda
  • A. Enable port security and use the keyword sticky.
  • B. Set the switchport mode to trunk and save the running configuration.
  • C. Use the switchport protected command to have the MAC addresses added to the configuration.
  • D. Use the no switchport port-security command to allow MAC addresses to be added to the configuration.

Questão 35

Questão
The following commands are entered on the router: Burbank(config)# enable secret fortress Burbank(config)# line con 0 Burbank(config-line)# login Burbank(config-line)# password n0way1n Burbank(config-line)# exit Burbank(config)# service password-encryption What is the purpose of the last command entered?
Responda
  • A. to require the user to enter an encrypted password during the login process
  • B. to prevent the vty, console, and enable passwords from being displayed in plain text in the configuration files
  • C. to encrypt the enable secret password
  • D. to provide login encryption services between hosts attached to the router

Questão 36

Questão
Why would a network administrator configure port security on a switch?
Responda
  • A. to prevent unauthorized Telnet access to a switch port
  • B. to prevent unauthorized hosts from accessing the LAN
  • C. to limit the number of Layer 2 broadcasts on a particular switch port
  • D. block unauthorized access to the switch management interfaces

Questão 37

Questão
A company has placed a networked PC in a lobby so guests can have access to the corporate directory. A security concern is that someone will disconnect the directory PC and re-connect their laptop computer and have access to the corporate network. For the port servicing the lobby, which three configuration steps should be performed on the switch to prevent this? (Choose three)
Responda
  • A. Enable port security.
  • B. Create the port as a trunk port.
  • C. Create the port as an access port.
  • D Create the port as a protected port.
  • E. Set the port security aging time to 0.
  • F. Statically assign the MAC address to the address table.
  • G. Configure the switch to discover new MAC addresses after a set time of inactivity

Questão 38

Questão
What is the effect of using the service password-encryption command?
Responda
  • A. Only the enable password will be encrypted.
  • B. Only the enable secret password will be encrypted.
  • C. Only passwords configured after the command has been entered will be encrypted.
  • D. It will encrypt the secret password and remove the enable secret password from the configuration.
  • E. It will encrypt all current and future passwords.

Questão 39

Questão
How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?
Responda
  • A. Configure port Fa0/1 to accept connections only from the static IP address of the server.
  • B. Configure the server MAC address as a static entry of port security.
  • C. Use a proprietary connector type on Fa0/1 that is incomputable with other host connectors.
  • D. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.

Questão 40

Questão
What is the subnet address for the IP address 172.19.20.23/28?
Responda
  • A. 172.19.20.0
  • B. 172.19.20.15
  • C. 172.19.20.16
  • D. 172.19.20.20
  • E. 172.19.20.32

Questão 41

Questão
What is the network address for the host with IP address 192.168.23.61/28?
Responda
  • A. 192.168.23.0
  • B. 192.168.23.32
  • C. 192.168.23.48
  • D. 192.168.23.56
  • E. 192.168.23.60

Questão 42

Questão
Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
Responda
  • A. 192.168.1.8/29
  • B. 192.168.1.32/27
  • C. 192.168.1.40/29
  • D. 192.168.1.16/28
  • E. 192.168.1.48/29

Questão 43

Questão
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?
Responda
  • A. IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway. 192.168.20.9
  • B. IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.20.1
  • C. IP address: 192.168.20.30 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.25
  • D. IP address: 192.168.20.30 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.20.17
  • E. IP address: 192.168.20.30 Subnet Mask: 255.255.255.240 Default Gateway. 192.168.20.25

Questão 44

Questão
Given a Class C IP address subnetted with a /30 subnet mask, how many valid host IP addresses are available on each of the subnets?
Responda
  • A. 1
  • B. 2
  • C. 4
  • D. 8
  • E. 252
  • F. 254

Questão 45

Questão
Refer to the exhibit. The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets, with 30, 40, and 50 hosts, as shown. What subnet mask would accommodate this network? Net bits Subnet mask total-addresses per subnet /20 255.255.240.0 4096 /21 255.255.248.0 2048 /22 255.255.252.0 1024 /23 255.255.254.0 512 /24 255.255.255.0 256 /25 255.255.255.128 128 /26 255.255.255.192 64 /27 255.255.255.224 32 /28 255.255.255.240 16 /29 255.255.255.248 8 /30 255.255.255.252 4
Responda
  • A. 255.255.255.192
  • B. 255.255.255.224
  • C. 255.255.255.240
  • D. 255.255.255.248

Questão 46

Questão
The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfill the request? (Choose three)
Responda
  • A. one IP subnet with a mask of 255.255.254.0
  • B. two IP subnets with a mask of 255.255.255.0
  • C. seven 48-port hubs
  • D. seven 48-port switches
  • E. one router interface
  • F. seven router interfaces

Questão 47

Questão
Which router command will configure an interface with the IP address 10.10.80.1/19?
Responda
  • A. router(config-if)# ip address 10.10.80.1/19
  • B. router(config-if)# ip address 10.10.80.1 255.255.0.0
  • C. router(config-if)# ip address 10.10.80.1 255.255.255.0
  • D. router(config-if)# ip address 10.10.80.1 255.255.224.0
  • E. router(config-if)# ip address 10.10.80.1 255.255.240.0
  • F. router(config-if)# ip address 10.10.80.1 255.255.255.240

Questão 48

Questão
A PC sends packets to the default gateway IP address the first time since the PC turned on.
Responda
  • ICMP
  • ARP
  • DNS
  • DHCP

Questão 49

Questão
The network administrator is checking basic IP connectivity from a workstation to a server.
Responda
  • ARP
  • DNS
  • DHCP
  • ICMP

Questão 50

Questão
The TCP/IP protocol stack must find an IP address for packets destined for a URL.
Responda
  • DNS
  • DHCP
  • ICMP
  • ARP

Questão 51

Questão
A network device will automatically assign IP addresses to workstations.
Responda
  • DHCP
  • DNS
  • ICMP
  • ARP

Questão 52

Questão
A PC with address 10.1.5.10 must access devices on the Internet.
Responda
  • NAT
  • DHCP
  • DNS
  • OSPF

Questão 53

Questão
Only routers and servers require static IP addresses. Easy IP administration is required.
Responda
  • DHCP
  • NAT
  • DNS
  • OSPF

Questão 54

Questão
A PC only knows a server as Media Server. IP needs to send data to that server.
Responda
  • DNS
  • OSPF
  • DHCP
  • NAT

Questão 55

Questão
A protocol is needed to replace current static routes with automatic route updates.
Responda
  • OSPF
  • DNS
  • DHCP
  • NAT

Questão 56

Questão
A protocol used to monitor and manage network devices
Responda
  • SNMP
  • FTP
  • TFTP
  • DNS
  • DHCP

Questão 57

Questão
A reliable, connection-oriented service that uses TCP to transfer files between systems
Responda
  • FTP
  • TFTP
  • SNMP
  • DNS
  • DHCP

Questão 58

Questão
A connectionless service that uses UDP to transfer files between systems
Responda
  • TFTP
  • DNS
  • DHCP
  • FTP
  • SNMP

Questão 59

Questão
A protocol that converts human-readable names into machine-readable addresses
Responda
  • DNS
  • TFTP
  • DHCP

Questão 60

Questão
Used to assign IP addresses automatically and set parameters such as subnet mask and default gateway
Responda
  • DHCP
  • DNS
  • TFTP
  • SNMP

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