atm-dxi
frame-relay
hdlc
lapb
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.
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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
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.
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined（）。A、It is supplied by the CSU/DSU.B、It is supplied by the far end router.C、It is determined by the clock rate command.D、It is supplied by the Layer 1 bit stream timing.
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
