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
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-config
B. Border(config)# no shutdown
C. Border(config-if)# encapsulation ppp
D. Border(config-if)# no cdp enable
E. Border(config-if)# ip routing
相关考题：
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.
At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?（）A. a serial cable with a V.35 to RJ45 adapterB. a CSU/DSUC. an external ISDN TA and NT1D. The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.
Which device enables a router serial interface to connect to the ISDN BRI?() A.NT2B.NT1C.TED.TAE.TE1
You have just obtained a modular Cisco router with 2 serial connections and a BRI／U interface. What other physical piece of hardware is required in order to establish an ISDN connection?() A. Nothing. The router is already suitable.B. A BRI WAN interface in the router.C. An external NT1 to terminate the local loop.D. A TA/NT1 device on the router.
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 a serial interface on a router, what is the default encapsulation?() A. atm-dxiB. frame-relayC. hdlcD. lapbE. ppp
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.
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.
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.
You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）A、Nothing. The router is already suitable.B、A BRI WAN interface in the router.C、An external NT1 to terminate the local loop.D、A TA/NT1 device on the router.
When configuring a serial interface on a router, what is the default encapsulation?（）A、atm-dxiB、frame-relayC、hdlcD、lapbE、ppp
Which device enables a router serial interface to connect to the ISDN BRI?（）A、NT2B、NT1C、TED、TAE、TE1
Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）A、Application of up to three access lists per protocol to a single interface.B、No more than two access lists per interface.C、One access list may be configured per direction for each Layer 3 protocol configured on an interface.D、The maximum number allowed varies due to RAM availability in the router.E、An infinite number of access lists that can be applied to an interface, from most specific to most general.F、Cisco IOS allows only one access list to an interface.
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.
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
Which of these is mandatory when configuring Cisco IOS Firewall？ （）A、Cisco IOS IPS enabled on the untrusted interfaceB、NBAR enabled to perform protocol discovery and deep packet inspectionC、a route map to define the trusted outgoing trafficD、a route map to define the application inspection rulesE、an inbound extended ACL applied to the untrusted interface
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、a directly connected interface with an address of 192.168.10.254/24B、a static route to network 192.168.10.0/24C、a RIP update for network 192.168.10.0/24D、an OSPF update for network 192.168.0.0/16E、a default route with a next hop address of 192.168.10.1F、a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop
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.
At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?（）A、a serial cable with a V.35 to RJ45 adapterB、a CSU/DSUC、an external ISDN TA and NT1D、The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.
What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）A、bandwidthB、delayC、loadD、reliability
单选题Which device enables a router serial interface to connect to the ISDN BRI?（）ANT2BNT1CTEDTAETE1
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You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）ANothing. The router is already suitable.BA BRI WAN interface in the router.CAn external NT1 to terminate the local loop.DA TA/NT1 device on the router.
单选题When configuring a serial interface on a router, what is the default encapsulation?（）Aatm-dxiBframe-relayChdlcDlapbEppp
单选题Which of these is mandatory when configuring Cisco IOS Firewall？ （）ACisco IOS IPS enabled on the untrusted interfaceBNBAR enabled to perform protocol discovery and deep packet inspectionCa route map to define the trusted outgoing trafficDa route map to define the application inspection rulesEan inbound extended ACL applied to the untrusted interface
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（）。Aa directly connected interface with an address of 192.168.10.254/24Ba static route to network 192.168.10.0/24Ca RIP update for network 192.168.10.0/24Dan OSPF update for network 192.168.0.0/16Ea default route with a next hop address of 192.168.10.1Fa static route to network 192.168.10.0/24 with a local serial interface configured as the next hop