A router with a serial interface will be used for an ISDN li

A.NT2

B.NT1

C.TE

D.TA

E.TE1

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

A. TE1

B. TE2

C. TA

D. NT1

E. NT2

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.

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.

A. show interfaces serial 0/0

B. show running-config

C. show version

D. show controllers serial 0/0

E. show ip interface

F. show line serial 0/0

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 up

B. Serial 0 is up, line protocol is down

C. Serial 0 is down, line protocol is down

D. Serial 0 is down, line protocol is up

E. Serial 0 is administratively down, line protocol is down

F. Serial 0 is administratively down, line protocol is up

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 adapter

B. a CSU/DSU

C. an external ISDN TA and NT1

D. The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.

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.