一块木料,能不能用,怎样使用,舍弃什么,不是用嘴说,也不是用眼看,更不是凭“老经验”去推断下结论——权威只有一个,就是用尺子量一量,用墨线校一校。这就是“匠人规则”。匠人们之所以令人肃然起敬,源于他们对工作一丝不苟,始终遵循“尺子最有发言权”这一准则。这段文字中的“匠人规则”启示我们()。

A.show ip access-list

B.show access-list

C.list ip interface

D.show interface

E.show ip interface

A．A

B．B

C．C

D．D

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

ghts on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist（）。

A.the session layer

B.the protocol layer

C.the data link layer

D.the access layer

E.the network layer

F.the application layer

A．aal5mux

B．aal5snap

C．aal5dynamic

D．aal5autoconfig

A. Show interface lmi

B. Show frame-relay lmi

C. Show interface frame-relay

D. Debug frame-relay interface.

A．iproute 172.10.1.20.0.0.0 atm 6/0.33

B．iproute 172.10.1.2255.255.255.0 atm 6/0.33

C．iproute 172.10.1.2255.255.255.255 172.10.1.2

D．iproute 172.10.1.2255.255.255.255 atm 6/0.33

A．atm pvc 33 0 33 aal5snap

B．atm pvc 33 0 33 aal5bridge

C．atm pvc 33 0 33 bridge 1483

D．atm pvc 33 0 33 1483 bridge

A.Profile atm 1483 must be applied to the atm major interface.

B.The bulk-config-name used is test atm-pppoe.

C.The bulk-config-name used is test.

D.Atm-pppoe is the atm base profile.

E.Atm-pppoe is the atm level interface description.

●When you choose a command name that is followed by"…"on menu，a (72) box appears in which you provide more information．

(72) A．dialog

B．list

C．check

D．text