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单选题
The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）
A
210
B
224
C
240
D
248
E
252
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更多 “单选题The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）A 210B 224C 240D 248E 252” 相关考题
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Refer to the exhibit. ROUTE Enterprises has many stub networks in their enterprise network, such as router B and its associated network. EIGRP is to be implemented on router A so that neither the prefix for the S/0/0/0 interface nor the prefixes from router B appear in the routing tables for the router in the enterprise network. Which action will accomplish this goal?（）A. Declare router B a stub router using the eigrp stub command.B. Use the passive - interface command for interface Serial0/0/0.C. Use a mask with the network command to exclude interface Serial0/0/0.D. Implement a distribute list to exclude the link prefix from the routi ng updates.
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A. Serial 0 is up, line protocol is upB. Serial 0 is up, line protocol is downC. Serial 0 is down, line protocol is downD. Serial 0 is down, line protocol is upE. Serial 0 is administratively down, line protocol is downF. Serial 0 is administratively down, line protocol is up
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There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the show interface serial 0/0 command is displayed below for each of these routers:From your observations of the above exhibit, what is the underlying cause of the problem?（）A. The loopback is not set.B. The serial cable is faulty.C. The subnet mask is not configured properly.D. The IP address is not configured properly.E. The Layer 2 frame types are not compatible.F. The keepalive setting is not configured properly.
考题
The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?()
A. 210B. 224C. 240D. 248E. 252
考题
Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? ()
A.The subnet mask in use is 255.255.255.192.B.The subnet mask in use is 255.255.255.128.C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1E.The LAN interface of the router is configured with one IP address.F.The LAN interface of the router is configured with multiple IP addresses.
考题
Usetheoutputfromtheroutershowninthegraphicabovetodeterminewhichofthefollowingarecorrect.()
A.Router John uses alink-state routing protocol.B.Router John will receive routing updates on the Serial0/0 interface.C.Router John will receive routing updates on the Serial0/1 interface.D.Router John will send routing updates out the Serial0/0 interface.E.Router John will send routing updates out the FastEthernet0/0 interface.F.Router John will send routing updates out the Serial0/1 interface.
考题
A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router.How should the network administrator configure the serial interface of the main office router to make the connection?（）A.B.C.D.
考题
Use the output from the router shown in the graphic above to determine which of the following are correct.()
A. Router John uses a link-state routing protocol.B. Router John will receive routing updates on the Serial0/0 interface.C. Router John will receive routing updates on the Serial0/1 interface.D. Router John will send routing updates out the Serial0/0 interface.E. Router John will send routing updates out the FastEthernet0/0 interface.F. Router John will send routing updates out the Serial0/1 interface.
考题
You work as a technician at TestKing. You are configuring a Cisco router. You want to configure the IP address on an interface.Which command should you use?（）A、router(config-if)#ip address 142.8.2.1 subnet mask 255.255.252.0B、router(config-if)#142.8.2.1 0.0.3.255C、router(config-if)#ip address 142.8.2.1 255.255.252.0D、router(config-if)#142.8.2.1 subnet mask 255.255.252.0E、router(config-if)#ip address 142.8.2.1 0.0.3.255F、router(config-if)#ip address 142.8.2.1 subnet mask /22
考题
In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）A、Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.B、A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.C、A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.D、A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.
考题
A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）A、The default gateway is configured on a different subnet form this host.B、The host is a member of the fifth usable subnet of the 192.168.16.0 network.C、The subnetwork address for this host is 192.168.16.160/28.D、The address of the next higher subnet is 192.168.16.192.E、The address of the router interface that is attached to this subnetwork is 192.168.16.190.F、There are 60 usable host addresses on this subnet.
考题
What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）A、It configures a router to send all packets out interface serial 0/0.B、It configures a router to block routing updates from being sent out interface serial 0/0.C、It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.D、It configures a router to send all packets for unknown destination networks out interface serial 0/0.E、It configures a router to drop all packets for which the destination network is unknown.
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A、Serial 0 is up, line protocol is upB、Serial 0 is up, line protocol is downC、Serial 0 is down, line protocol is downD、Serial 0 is down, line protocol is upE、Serial 0 is administratively down, line protocol is downF、Serial 0 is administratively down, line protocol is up
考题
A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）A、The traffic is droppedB、The resulting action is determined by the destination IP addressC、The source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1D、The resulting action is determined by the destination IP address and port number
考题
A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG. For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）A、When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.B、 When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.C、When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.D、When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.E、None of the other answers is correct.
考题
A BGP router is configured as shown below： interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration， which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table？（）A、network 10.0.0.0B、network 10.10.0.0 mask 255.255.0.0C、network 10.10.10.1 mask 255.255.255.255D、network 10.10.10.0 mask 255.255.255.0E、network 10.0.0.0 mask 255.255.0.0
考题
Which three causes could prevent a host from getting an IPv6 address with stateless autoconfiguration？（）A、The autoconfig command is missing from the router interface.B、IPv6 multicast routing is not enabled on the router interface.C、IPv6 unicast routing is not enabled on the router interface.D、The router interface is configured with a /63 mask.E、The router interface is configured with a /65 mask.
考题
The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）A、The Popcorn router is not forwarding RIP updates.B、The Popcorn router did not include network 192.168.12.0 in its routing configuration.C、The Ethernet1 interface of the Popcorn router is shutdown.D、The clockrate is not present in the configuration of one of the routers.E、The Serial interface of the Popcorn router is not operating.
考题
The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）A、210B、224C、240D、248E、252
考题
多选题Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? （）AThe subnet mask in use is 255.255.255.192.BThe subnet mask in use is 255.255.255.128.CThe IP address 172.16.1.25 can be assigned to hosts in VLAN1DThe IP address 172.16.1.205 can be assigned to hosts in VLAN1EThe LAN interface of the router is configured with one IP address.FThe LAN interface of the router is configured with multiple IP addresses.
考题
多选题The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）AThe Popcorn router is not forwarding RIP updates.BThe Popcorn router did not include network 192.168.12.0 in its routing configuration.CThe Ethernet1 interface of the Popcorn router is shutdown.DThe clockrate is not present in the configuration of one of the routers.EThe Serial interface of the Popcorn router is not operating.
考题
单选题A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）A
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#no shutB
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)#no shutC
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation frame-relay Main(config-if)#authenication chap Main(config-if)#no shutD
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ppp Main(config-if)#no shut
考题
单选题What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）A
It configures a router to send all packets out interface serial 0/0.B
It configures a router to block routing updates from being sent out interface serial 0/0.C
It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.D
It configures a router to send all packets for unknown destination networks out interface serial 0/0.E
It configures a router to drop all packets for which the destination network is unknown.
考题
单选题When configuring a serial interface on a router, what is the default encapsulation?（）A
atm-dxiB
frame-relayC
hdlcD
lapbE
ppp
考题
单选题A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）A
The traffic is droppedB
The resulting action is determined by the destination IP addressC
The source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1D
The resulting action is determined by the destination IP address and port number
考题
单选题A BGP router is configured as shown below： interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration， which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table？（）A
network 10.0.0.0B
network 10.10.0.0 mask 255.255.0.0C
network 10.10.10.1 mask 255.255.255.255D
network 10.10.10.0 mask 255.255.255.0E
network 10.0.0.0 mask 255.255.0.0
考题
多选题A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）AThe default gateway is configured on a different subnet form this host.BThe host is a member of the fifth usable subnet of the 192.168.16.0 network.CThe subnetwork address for this host is 192.168.16.160/28.DThe address of the next higher subnet is 192.168.16.192.EThe address of the router interface that is attached to this subnetwork is 192.168.16.190.FThere are 60 usable host addresses on this subnet.
考题
单选题You work as a technician at TestKing. You are configuring a Cisco router. You want to configure the IP address on an interface.Which command should you use?（）A
router(config-if)#ip address 142.8.2.1 subnet mask 255.255.252.0B
router(config-if)#142.8.2.1 0.0.3.255C
router(config-if)#ip address 142.8.2.1 255.255.252.0D
router(config-if)#142.8.2.1 subnet mask 255.255.252.0E
router(config-if)#ip address 142.8.2.1 0.0.3.255F
router(config-if)#ip address 142.8.2.1 subnet mask /22
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