A. session
B. network
C. physical
D. data link
E. transport
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A. 172.16.16.0
B. 172.16.24.0
C. 172.16.0.0
D. 172.16.28.0
A. show frame-relay end-to-end
B. show frame-relay map
C. show frame-relay lmi
D. show frame-relay pvc
A. Frame Relay
B. HDLC
C. x.25
D. PPP
A. after broken links are re-established
B. in an improperly implemented redundant topology
C. when upper-layer protocols require high reliability
D. during high traffic periods
E. when a dual ring topology is in use
A. enbale password c1sco
B. secret enable c1sco
C. password enable c1sco
D. enable secret c1sco
最新試題
How are VTP advertisements delivered to switches across the network?（）
What is the default administrative distance of OSPF?（）
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?（）
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）
What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）
Which command displays the CHAP authentication process as it occurs between two routers?（）
At which layer of the OSI model dose PPP perform?（）
Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）
Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）
At which layer of the OSI model is RSTP used to prevent loops?（）