單項選擇題對于一個沒有經(jīng)過子網(wǎng)劃分的傳統(tǒng)C類網(wǎng)絡(luò)來說,允許安裝多少臺主機?()

A.1024
B.65025
C.254
D.16
E.48


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1.單項選擇題下列哪一個命令用于指定物理接口做備份接口?()

A.[Quidway]#standby interface s0
B.[Quidway-Serial1]#standby interface s0

2.多項選擇題Which two features did WPAv1 add to address the inherent weaknesses found in WEP?()

A.a stronger encryption algorithm
B.key mixing using temporal keys
C.shared key authentication
D.a shorter initialization vector
E.per frame sequence counters

3.單項選擇題ISDN基本速率接口(BRI)速率是()。

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

4.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

5.多項選擇題QuidwayS2403F以太網(wǎng)交換機的用戶權(quán)限級別有()。

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

6.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.

8.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

10.多項選擇題Which of the following IP addresses fall into the CIDR block of 115.()

A.115.64.8.32
B.115.64.7.64
C.115.64.6.255
D.115.64.3.255
E.115.64.5.128
F.115.64.12.128

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請參見圖示。主機A 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,路由器Y 的FastEthernet 接口fa0/1捕獲到一個幀。捕獲的幀中包含源IP 地址為172.16.1.5而目的IP 地址為172.16.7.24的數(shù)據(jù)包。捕獲該幀時,它的源MAC 地址是什么?()

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