路由器在ISO／OSI开放系统参考模型中对应于（)。A．物理层B．数据链路层C．网络层D．表示层

A.theCiscoWCSisdesignedtosupport1500CiscoWLANcontrollersandupto50APs

B.theCiscoWCSrunsonadedicatednetworkdevicesuchastheCisco2700networkappliance

C.theCiscoWCSrunsonvariouswindowsandLinuxplatforms

D.theCiscoWCSscreendisplaysfourmainmenusheettabconsistingofMonitor，Configure，Security，andAlam

E.theCiscoWCSusestheSNMPprotocoltocommunicatewiththecontrollers

A.The new IOS image is too large for the router flash memory.

B.The TFTP server is unreachable from the router.

C.The new IOS image is not correct for this router platform.

D.The IOS image on the TFTP server is corrupt.

E.There is not enough disk space on the TFTP server for the IOS image.

A. data integrity

B. encryption

C. key exchange

D. authentication

A.ServiceEthertype

B.ISL

C.PseudoLANTAG

D.802.1qVLANTAG

E.ControlWord

F.TunnelLabel

A. RARP

B. RUDP

C. ICMP

D. SNMP

A.Aneighborthathasmetthefeasibilitycondition

B.Aneighborthathasmetthefeasibilityconditionandhasthelowestcostpathtowardsthedestination

C.Anyneighborthatisinthepathtowardsthedestination.

D.Anyneighborthatisinthepathtowardsthedestinationandwhosereporteddistanceequalsthefeasibledistance

A.LSAtype1

B.LSAtype2

C.LSAtype3

D.LSAtype4

E.LSAtype5

F.LSAtype6

A. Serial0/1 is up, line protocol is down

B. Serial0/1 is down, line protocol is down

C. Serial0/1 is up, line protocol is up

D. Serial0/1 is administratively down, line protocol is down

A. Addresses are not hierarchical and are assigned at random.

B. Only one IPv6 address can exist on a given interface.

C. There are 2.7 billion addresses available.

D. Broadcasts have been eliminated and replaced with multicasts.

A.VPI

B.VCI

C.VPIandVCI

D.Specific4byteslabel

E.Noneofabove