市场作为资源配置手段的特点是

A.traceroute address

B.tracert address

C.ssh address

D.telnet address

A.show ip access-list

B.show access-list

C.list ip interface

D.show interface

E.show ip interface

A．当前图层Current layer

B．新建图层New layer

C．删除图层Erase layer

D．冻结图层Freeze layer

A.ping address

B.tracert address

C.traceroute address

D.arp address

strator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F？（）

A. Issue the show ip route command on Router A

B. Issue the show ip route command on Router B

C. Issue the show cdp neighbors command on Router B

D. Issue the show cdp neighbors detail command on Router C

E. Issue the show arp command on Router A

F. Issue the show arp command on Router B

Which OSI layer does a Router operate at？

A．the Physical Layer

B．the Data Link Layer

C．the Transfer Layer

D．the Network Layer

A．Switch

B． Router

C． NIC

D． hub

E． Repeater

F． RJ-45 transceiver

A．show frame-relay end-to-end

B．show frame-relay map

C．show frame-relay lmi

D．show frame-relay pvc

A. This command is applied to the core router facing interface.

B. This command is applied to the customer facing interface.

C. The 4 is locally significant and identifies the layer 2 circuit.

D. The 4 must match exactly on the peer router configuration on the remote end.

om your PC command prompt, but the output shows "request times out."

At which OSI layer is this problem associated with？

A．The data link layer

B．The application layer

C．The access layer

D．The session layer

E．The network layer