單項選擇題ISDN基本速率接口（BRI）速率是（）。

A.16kbps
B.64kbps
C.144kbps
D.2048kbps


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1.單項選擇題What should be part of a comprehensive network security plan（）。

A.Allow users to develop their own approach to network security
B.Physically secure network equipment from potential access by unauthorized individuals
C.Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten
D.Delay deployment of software patches and updates until their effect on end-user equipment is well known and widely reported
E.Minimize network overhead by deactivating automatic antivirus client updates

2.多項選擇題QuidwayS2403F以太網交換機的用戶權限級別有（）。

A.normal
B.visit
C.monitor
D.manage
E.operator

3.單項選擇題A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless carD.The client section of the access point does not list any active WLAN clients. What is a possible reason for this?（）

A.The incorrect channel is configured on the client.
B.The client's IP address is on the wrong subnet.
C.The client has an incorrect pre-shared key.
D.The SSID is configured incorrectly on the client.

5.單項選擇題Which parameter can be tuned to affect the selection of a static route as a backup. when a dynamic protocol is also being used？（）

A.link bandwidth
B.hop count
C.link cost
D.administrative distance
E.link delay