單項(xiàng)選擇題What is one reason that WPA encryption is preferred over WEP()。

A.A WPA key is longer and requires more special characters than the WEP key.
B.The access point and the client are manually configured with different WPA key values.
C.WPA key values remain the same until the client configuration is changed.
D.The values of WPA keys can change dynamically while the system is used.


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which item represents the standard IP ACL?()

A.access-list 50 deny 192.168.1.10.0.0.255
B.access-list 110 permitip any any
C.access-list 2500 deny tcp any host 192.168.1.1eq22
D.access-list 101 deny tcp any host 192.168.1.1

2.單項(xiàng)選擇題An access list has been designed to prevent HTTP traffic from the Accounting Department from reaching the HR server attached to the Holyoke router. Which of the following access lists will accomplish this task when grouped with the e0 interface on the Chicopee router()。

A. permit ip any any deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80
B. permit ip any any deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80
C. deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80 permit ip any any
D. deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80 permit ip any any

3.多項(xiàng)選擇題

Which routing protocols can be used within the enterprise network shown in the diagram? ()

A.RIP v1
B.RIP v2
C.IGRP
D.OSPF
E.BGP
F.EIGRP

4.多項(xiàng)選擇題Which of the following describes the roles of devices in a WAN?()

A.A CSU/DSU terminates a digital local loop
B.A modem terminates a digital local loop
C.A CSU/DSU terminates an analog local loop
D.A modem terminates an analog local loop
E.A router is commonly considered a DTE device
F.A router is commonly considered a DCE device

5.多項(xiàng)選擇題At which layers of the OSI model do WANs operate?()

A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer

最新試題

請(qǐng)參見圖示。下列哪組設(shè)備僅包含中間設(shè)備?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。圖中所示路由表所屬的PC 已正確配置。IP 地址192.168.1.254屬于哪一個(gè)網(wǎng)絡(luò)設(shè)備或接口?()

題型:?jiǎn)雾?xiàng)選擇題

路由器使用哪一項(xiàng)信息來(lái)確定源主機(jī)和目的主機(jī)之間的路徑?()

題型:?jiǎn)雾?xiàng)選擇題

何時(shí)必須使用clock rate 命令配置路由器串行接口?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。網(wǎng)絡(luò)中的主機(jī)A 正在向主機(jī)B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項(xiàng)是正確的?()

題型:多項(xiàng)選擇題

要將數(shù)據(jù)包發(fā)送到遠(yuǎn)程網(wǎng)絡(luò),應(yīng)使用哪種設(shè)備?()

題型:?jiǎn)雾?xiàng)選擇題

傳輸層如何讓主機(jī)能同時(shí)針對(duì)不同應(yīng)用程序維護(hù)多個(gè)通信流?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。哪種邏輯拓?fù)涫菍?duì)圖示網(wǎng)絡(luò)的準(zhǔn)確描述?()

題型:?jiǎn)雾?xiàng)選擇題

在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。主機(jī)A 和B 無(wú)法互相通信。此問(wèn)題的原因是什么?()

題型:?jiǎn)雾?xiàng)選擇題