1554312
Descripción
Test por Kaylynn Schulder, actualizado hace más de 1 año
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Creado por Kaylynn Schulder
hace alrededor de 10 años
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Pregunta 1
Pregunta
The ip helper-address command does what?
Respuesta
-
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
Pregunta 2
Pregunta
What is the best practice when assigning IP addresses in a small office of six hosts?
Respuesta
-
. 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.
Pregunta 3
Pregunta
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)
Respuesta
-
HUB 1
-
Switch 1
-
Router 1
-
Switch 2
-
Router 2
-
Switch 3
Pregunta 4
Pregunta
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)
Respuesta
-
A. abcd. 1123.0045
-
B. 192.168.7.17
-
C. aabb.5555.2222
-
D. 192.168.1.1
-
E. abcd.2246.0035
Pregunta 5
Pregunta
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?
Respuesta
-
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.
Pregunta 6
Pregunta
What does administrative distance refer to?
Respuesta
-
. 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
Pregunta 7
Pregunta
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)
Respuesta
-
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
Pregunta 8
Pregunta
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)
Respuesta
-
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
Pregunta 9
Pregunta
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)
Respuesta
-
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.
Pregunta 10
Pregunta
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)
Respuesta
-
10.1.0.1
-
10.1.0.5
-
10.1.0.6
-
10.1.0.14
-
10.1.1.16
-
10.1.2.8
Pregunta 11
Pregunta
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)
Respuesta
-
Image:IP_routing_2_A1 (image/jpg)
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Image:IP_routing_2_A2 (image/jpg)
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Image:IP_routing_2_A3 (image/jpg)
-
Image:IP_routing_2_A4 (image/jpg)
Pregunta 12
Pregunta
Refer to the exhibit. Which two statements are correct? (Choose two)
Image:
IP_routing_2_Q2 (image/jpg)
Respuesta
-
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.
Pregunta 13
Pregunta
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)
Respuesta
-
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
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router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 5
Pregunta 14
Pregunta
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)
Respuesta
-
A Core router.
-
The HQ Internet gateway router.
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The WAN router at the central site.
-
Remote stub router at a remote site.
Pregunta 15
Pregunta
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)
Respuesta
-
router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2
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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
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router2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1
Pregunta 16
Pregunta
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)
Respuesta
-
VLAN 1 on RT-A
-
IP routing on SW-A
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default gateway on SW-A
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crossover cable connecting SW-A and RT-A
Pregunta 17
Pregunta
Refer to the exhibit. Which default gateway address should be assigned to HostA?
Image:
IP_routing_2_Q7 (image/jpg)
Respuesta
-
192.168.1.1
-
192.168.1.65
-
192.168.1.66
-
192.168.1.129
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10.1.1.1
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10.1.1.2
Pregunta 18
Pregunta
Which OSI layer header contains the address of a destination host that is on another network?
Respuesta
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A. application
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B. session
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C. transport
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D. network
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E. data link
-
F. physical
Pregunta 19
Pregunta
At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?
Respuesta
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A. application
-
B. transport
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C. network
-
D. physical
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E. data link
Pregunta 20
Pregunta
What are two common TCP applications? (Choose two)
Respuesta
-
A. TFTP
-
B. SMTP
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C. SNMP
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D. FTP
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E. DNS
Pregunta 21
Pregunta
Which two characteristics describe the access layer of the hierarchical network design model? (Choose two)
Respuesta
-
A. layer 3 support
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B. port security
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C. redundant components
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D. VLANs
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E. PoE
Pregunta 22
Pregunta
Which layer of the TCP/IP stack combines the OSI model physical and data link layers?
Respuesta
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A. Internet layer
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B. transport layer
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C. application layer
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D. network access layer
Pregunta 23
Pregunta
Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?
Respuesta
-
A. Physical
-
B. Data-link
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C. Transport
-
D. Network
Pregunta 24
Pregunta
Which network device functions only at Layer 1 of the OSI model?
Respuesta
-
bridge
-
hub
-
NIC
-
router
-
switch
Pregunta 25
Pregunta
Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two)
Respuesta
-
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.
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E. All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
Pregunta 26
Pregunta
Which statements describe the routing protocol OSPF? (Choose three)
Respuesta
-
A. It supports VLSM.
-
B. It is used to route between autonomous systems.
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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.
Pregunta 27
Pregunta
Which address are OSPF hello packets addressed to on point-to-point networks?
Respuesta
-
A. 224.0.0.5
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B. 172.16.0.1
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C. 192.168.0.5
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D. 223.0.0.1
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E. 254.255.255.255
Pregunta 28
Pregunta
What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two)
Respuesta
-
A. hello packets
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B. SAP messages sent by other routers
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C. LSAs from other routers
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D. beacons received on point-to-point links
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E. routing tables received from other link-state routers
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F. TTL packets from designated routers
Pregunta 29
Pregunta
Which protocol uses a connection-oriented service to deliver files between end systems?
Respuesta
-
A. TFTP
-
B. DNS
-
C. FTP
-
D. SNMP
-
E. RIP
Pregunta 30
Pregunta
On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?
Respuesta
-
A. RTP
-
B. TCP
-
C. CDP
-
D. UDP
Pregunta 31
Pregunta
Which statements accurately describe CDP? (Choose three)
Respuesta
-
A. CDP is an IEEE standard protocol.
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B. CDP is a Cisco proprietary protocol.
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C. CDP is a datalink layer protocol.
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D. CDP is a network layer protocol.
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E. CDP can discover directly connected neighboring Cisco devices.
-
F. CDP can discover Cisco devices that are not directly connected.
Pregunta 32
Pregunta
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?
Respuesta
-
A. HTTP
-
B. DNS
-
C. DHCP
-
D. RARP
-
E. ARP
Pregunta 33
Pregunta
Which statements are true regarding ICMP packets? (Choose two)
Respuesta
-
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
Pregunta 34
Pregunta
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?
Respuesta
-
A. Enable port security and use the keyword sticky.
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B. Set the switchport mode to trunk and save the running configuration.
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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.
Pregunta 35
Pregunta
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?
Respuesta
-
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
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D. to provide login encryption services between hosts attached to the router
Pregunta 36
Pregunta
Why would a network administrator configure port security on a switch?
Respuesta
-
A. to prevent unauthorized Telnet access to a switch port
-
B. to prevent unauthorized hosts from accessing the LAN
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C. to limit the number of Layer 2 broadcasts on a particular switch port
-
D. block unauthorized access to the switch management interfaces
Pregunta 37
Pregunta
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)
Respuesta
-
A. Enable port security.
-
B. Create the port as a trunk port.
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C. Create the port as an access port.
-
D Create the port as a protected port.
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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
Pregunta 38
Pregunta
What is the effect of using the service password-encryption command?
Respuesta
-
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.
Pregunta 39
Pregunta
How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?
Respuesta
-
A. Configure port Fa0/1 to accept connections only from the static IP address of the server.
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B. Configure the server MAC address as a static entry of port security.
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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.
Pregunta 40
Pregunta
What is the subnet address for the IP address 172.19.20.23/28?
Respuesta
-
A. 172.19.20.0
-
B. 172.19.20.15
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C. 172.19.20.16
-
D. 172.19.20.20
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E. 172.19.20.32
Pregunta 41
Pregunta
What is the network address for the host with IP address 192.168.23.61/28?
Respuesta
-
A. 192.168.23.0
-
B. 192.168.23.32
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C. 192.168.23.48
-
D. 192.168.23.56
-
E. 192.168.23.60
Pregunta 42
Pregunta
Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
Respuesta
-
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
Pregunta 43
Pregunta
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?
Respuesta
-
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
Pregunta 44
Pregunta
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?
Respuesta
-
A. 1
-
B. 2
-
C. 4
-
D. 8
-
E. 252
-
F. 254
Pregunta 45
Pregunta
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
Respuesta
-
A. 255.255.255.192
-
B. 255.255.255.224
-
C. 255.255.255.240
-
D. 255.255.255.248
Pregunta 46
Pregunta
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)
Respuesta
-
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
Pregunta 47
Pregunta
Which router command will configure an interface with the IP address 10.10.80.1/19?
Respuesta
-
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
Pregunta 48
Pregunta
A PC sends packets to the default gateway IP address the first time since the PC turned on.
Respuesta
-
ICMP
-
ARP
-
DNS
-
DHCP
Pregunta 49
Pregunta
The network administrator is checking basic IP connectivity from a workstation to a server.
Respuesta
-
ARP
-
DNS
-
DHCP
-
ICMP
Pregunta 50
Pregunta
The TCP/IP protocol stack must find an IP address for packets destined for a URL.
Respuesta
-
DNS
-
DHCP
-
ICMP
-
ARP
Pregunta 51
Pregunta
A network device will automatically assign IP addresses to workstations.
Respuesta
-
DHCP
-
DNS
-
ICMP
-
ARP
Pregunta 52
Pregunta
A PC with address 10.1.5.10 must access devices on the Internet.
Respuesta
-
NAT
-
DHCP
-
DNS
-
OSPF
Pregunta 53
Pregunta
Only routers and servers require static IP addresses. Easy IP administration is required.
Respuesta
-
DHCP
-
NAT
-
DNS
-
OSPF
Pregunta 54
Pregunta
A PC only knows a server as Media Server. IP needs to send data to that server.
Respuesta
-
DNS
-
OSPF
-
DHCP
-
NAT
Pregunta 55
Pregunta
A protocol is needed to replace current static routes with automatic route updates.
Respuesta
-
OSPF
-
DNS
-
DHCP
-
NAT
Pregunta 56
Pregunta
A protocol used to monitor and manage network devices
Respuesta
-
SNMP
-
FTP
-
TFTP
-
DNS
-
DHCP
Pregunta 57
Pregunta
A reliable, connection-oriented service that uses TCP to transfer files between systems
Respuesta
-
FTP
-
TFTP
-
SNMP
-
DNS
-
DHCP
Pregunta 58
Pregunta
A connectionless service that uses UDP to transfer files between systems
Respuesta
-
TFTP
-
DNS
-
DHCP
-
FTP
-
SNMP
Pregunta 59
Pregunta
A protocol that converts human-readable names into machine-readable addresses
Respuesta
-
DNS
-
TFTP
-
DHCP
Pregunta 60
Pregunta
Used to assign IP addresses automatically and set parameters such as subnet mask and default gateway
Respuesta
-
DHCP
-
DNS
-
TFTP
-
SNMP
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