A. show CHAP authentication
B. show interface serial 0
C. debug PPP authentication
D. debug CHAP authentication
E. show PPP authentication CHAP
第1题
A. The Boot IOS Code is Located in the NVRAM.
B. Check NVRAM for boot system Commands.
C. Bypass NVRAM Configurations.
D. Boot the IOS Code Located in ROM.
E. Perform a Password Recovery.
F. Bypass The Code In ROM.
第2题
A. Transport layer divides a data stream into segments & adds reliability & flow control information
B. Data link layer adds physical source & destination address & an FCS to the segment
C. Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information
D. Packets are created when the network layers adds layers 3 address & control information to a segment
E. The presentation layer translated bits into bits into voltages for transmission across the physical link
第3题
A. The network is stable
B. There is a flapping link or interface, and router C knows an alternate path to the network
C. There is a flapping link or interf ace, and router C does not know an alternate path to the network
D. EIGRP is not working correctly on router C
E. There is not enough information to make a determination
第4题
A. Use of full duplex mode.
B. Creation of new collision domain.
C. Creation of new broadcast domain.
D. Addition of hub to the network.
E. Use of switches in the network.
F. Amount of ARP or IPX SAP traffic.
第5题
gsomeshowcommands,debugoutput,andthesyslog,youdiscoverthefollowinginformation:Whatconclusioncanyouinferfromthisinformation?()
A.VRRPisinitializingandoperatingcorrectly.
B.HSRPisnotproperlyexchangingthreehellomessages.
C.VRRPisnotproperlyexchangingthreehellomessages.
D.HSRPisinitializingandoperatingcorrectly.
E.GLBPisnotproperlyexchangingthreehellomessages.
F.GLBPisinitializingandoperatingcorrectly.
第6题
rface to router A and block all other network advertisements. The IP routing table on router A indicates that it is not receiving this prefix from router B. What is the probable cause of the problem?()
A. An access list on router B is causing the 192.168.3.16/28 network to be denied
B. An access list on router B is causing the 192.168.3.32/28 network to be denied
C. The distribute list on router B is referencing a numbered access list that does not exist on router B
D. The d istribute list on router B is referencing the wrong interface
第7题
A.MakeallportsprivateVLANports.
B.PlaceallunusedportsinnativeVLAN1untilneeded.
C.Proactivelyconfigureunusedswitchportsasaccessports.
D.DisableCiscoDiscoveryProtocolglobally.
第8题
A. DLCI
B. BECN
C. FECN
D. LMI
E. CIR
F. DE
第9题
A. Optional authentication phase, link establishment phase, network layer protocol phase.
B. Network layer protocol phase, link establishment phase, optional authentication phase.
C. Network layer protocol phase, optional authentication phase, link establishment phase.
D. Link establishment phase, network layer protocol phase, optional authentication phase.
E. Link establishment phase, optional authentication phase, network layer protocol phase.
F. Optional authentication phase, network layer protocol phase, link establishment phase.
第10题
be functioning properly. What can you conclude from the exhibit and the show running - configuration command output? ()
A. The OSPF areas are not configured correctly.
B. The wildcard masks for the 10.x .x.x networks are incorrect.
C. The 172.16.x.x networks need to be connected to area 0 using virtual links.
D. The 172.16.x.x networks are discontiguous. OSPF is automatically summarizing them to 172.16.0.0/16 and data is being "black holed."
E. There is not enough information to make a determination.
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