When configuring a serial interface on a router, what is the default encapsulation?() A. atm-dxiB. frame-relayC. hdlcD. lapbE. ppp
When configuring a serial interface on a router, what is the default encapsulation?()
A. atm-dxi
B. frame-relay
C. hdlc
D. lapb
E. ppp
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路由器A的配置为： Quidway#SHOW RUN Now create configuration... Current configuration ! frame-relay switching ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ip rip version 2 mcast ! interface Serial0 clock-select DTECLK1 encapsulation frame-relay frame-relay intf-type DCE frame-relay interface-dlci 100 ip address 2.1.1.1 255.0.0.0 ip rip version 2 mcast ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip no auto-summary neighbor 2.1.1.2 ! end 路由器B的配置为 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ip rip version 2 mcast ! interface Serial0 encapsulation frame-relay ip address 2.1.1.2 255.0.0.0 ip rip version 2 mcast ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip no auto-summary neighbor 2.1.1.1 ! End 如下说法正确的是A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
路由器A的配置如下： Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ip ospf enable area 0.0.0.1 ! interface Serial0 clock-select DTECLK1 encapsulation ppp ip address 2.1.1.1 255.0.0.0 ip ospf enable area 0.0.0.1 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! end 路由器B配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ip ospf enable area 0.0.0.2 ! interface Serial0 encapsulation ppp ip address 2.1.1.2 255.0.0.0 ip ospf enable area 0.0.0.2 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! End 如下说法正确的是A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
路由器A的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 路由器B的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 下述说法正确的是A、备份功能可以正常使用 B、备份功能不能正常使用 C、两端可以正常互联 D、两端不能正常互联
When configuring PPP over ATM interfaces, what does the profile utility accomplish?() A.It binds an interface to a virtual router.B.It allows for dynamic interface creation.C.It assigns a Domain Name Server for a session.D.It identifies the RADIUS server to use for authentication
TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN.Which of the following commands could fix this problem?（）A. Border# copy running-config startup-configB. Border(config)# no shutdownC. Border(config-if)# encapsulation pppD. Border(config-if)# no cdp enableE. Border(config-if)# ip routing
What must be set correctly when configuring a serial interface so that higher－level protocols calculate the best route?() A. bandwidthB. delayC. loadD. reliability
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.
When configuring a serial interface on a router, what is the default encapsulation?（）A、atm-dxiB、frame-relayC、hdlcD、lapbE、ppp
A router receives information about network 192.168.10.0/24 from multiple sources.What will the routerconsider the most reliable information about the path to that network？（）A、an OSPF update for network 192.168.0.0/16B、a static router to network 192.168.10.0/24C、a static router to network 192.168.10.0/24 with a local serial interface configured as the next hopD、a RIP update for network 192.168.10.0/24E、a directly connected interface with an address of 192.168.10.254/24F、a default route with a next hop address of 192.168.10.1
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.
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
The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）A、The Gallant router has the wrong LMI type configuredB、Inverse ARP is providing the wrong PVC information to the Gallant routerC、The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf commandD、The frame-relay map statement in the Attalla router for the PVC to Steele is not correctE、The IP address on the serial interface of the Attalla router is configured incorrectly
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
TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN. Which of the following commands could fix this problem?（）A、Border# copy running-config startup-configB、Border(config)# no shutdownC、Border(config-if)# encapsulation pppD、Border(config-if)# no cdp enableE、Border(config-if)# ip routing
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.
A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）A、an OSPF update for network 192.168.0.0/16B、a static router to network 192.168.10.0/24C、a static router to network 192.168.10.0/24 with a local serial interface configured as the next hopD、a RIP update for network 192.168.10.0/24E、a directly connected interface with an address of 192.168.10.254/24F、a default route with a next hop address of 192.168.10.1
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.
What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）A、bandwidthB、delayC、loadD、reliability
When configuring the router to support dynamic PPPoE interfaces, which command string controls the number of sessions supported?（）A、autoconfig pppB、ppp authenticationC、encapsulation pppoeD、profile pppoe dynamic
When configuring PPP over ATM interfaces, what does the profile utility accomplish?（）A、It binds an interface to a virtual router.B、It allows for dynamic interface creation.C、It assigns a Domain Name Server for a session.D、It identifies the RADIUS server to use for authentication
单选题The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）AThe Gallant router has the wrong LMI type configuredBInverse ARP is providing the wrong PVC information to the Gallant routerCThe S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf commandDThe frame-relay map statement in the Attalla router for the PVC to Steele is not correctEThe IP address on the serial interface of the Attalla router is configured incorrectly
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.
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?（）AMain(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#no shutBMain(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 shutCMain(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 shutDMain(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
单选题What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）AIt configures a router to send all packets out interface serial 0/0.BIt configures a router to block routing updates from being sent out interface serial 0/0.CIt configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.DIt configures a router to send all packets for unknown destination networks out interface serial 0/0.EIt configures a router to drop all packets for which the destination network is unknown.
单选题A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network？（）Aan OSPF update for network 192.168.0.0/16Ba static router to network 192.168.10.0/24Ca static router to network 192.168.10.0/24 with a local serial interface configured as the next hopDa RIP update for network 192.168.10.0/24Ea directly connected interface with an address of 192.168.10.254/24Fa default route with a next hop address of 192.168.10.1
单选题When configuring a serial interface on a router, what is the default encapsulation?（）Aatm-dxiBframe-relayChdlcDlapbEppp
单选题When configuring PPP over ATM interfaces, what does the profile utility accomplish?（）AIt binds an interface to a virtual router.BIt allows for dynamic interface creation.CIt assigns a Domain Name Server for a session.DIt identifies the RADIUS server to use for authentication