第59題： WLAN接入安全控制中，采用的安全措施不包括（  ）。
A.SSID訪問控制
B.CA認(rèn)證
C.物理地址過濾
D.WPA2安全認(rèn)證
答案解析與討論：www.xomuzic.com/st/4501110356.html

第60題： 下列IEEE 802.11系列標(biāo)準(zhǔn)中，WLAN的傳輸速率達(dá)到300Mb/s的是（  ）。
A.802.11a
B.802.11b
C.802.11g
D.802.11n
答案解析與討論：www.xomuzic.com/st/4501224565.html

第61題： 某單位計(jì)劃購(gòu)置容量需求為60TB的存儲(chǔ)設(shè)備，配置一個(gè)RAID組，采用RAID5冗余，并配置一塊全局熱備盤，至少需要（  ）塊單塊容量為4TB的磁盤。
A.15
B.16
C.17
D.18
答案解析與討論：www.xomuzic.com/st/450139952.html

第63題： 在項(xiàng)目管理過程中，變更總是不可避免，作為項(xiàng)目經(jīng)理應(yīng)該讓項(xiàng)目干系人認(rèn)識(shí)到（  ）。
A.在項(xiàng)目設(shè)計(jì)階段，變更成本較低
B.在項(xiàng)目實(shí)施階段，變更成本較低
C.項(xiàng)目變更應(yīng)該由項(xiàng)目經(jīng)理批準(zhǔn)
D.應(yīng)盡量滿足建設(shè)方要求，不需要進(jìn)行變更控制
答案解析與討論：www.xomuzic.com/st/450153690.html

第64題： 進(jìn)行項(xiàng)目風(fēng)險(xiǎn)評(píng)估最關(guān)鍵的時(shí)間點(diǎn)是（  ）。
A.計(jì)劃階段
B.計(jì)劃發(fā)布后
C.設(shè)計(jì)階段
D.項(xiàng)目出現(xiàn)問題時(shí)
答案解析與討論：www.xomuzic.com/st/4501625090.html

第65題： TheAddress Resolution Protocol(ARP)wasDeveloped to enableCommunication onAn InternetworkAnd performA required function in IP routing.ARP liesBetween layers（  ）of the OSI model,andAllowsComputers to introduce each otherAcrossA network prior toCommunication.APR finds the（  ）address ofA host from its known（  ）address.BeforeADevice sendsADatagram toAnotherDevice,it looks in itsARPCache to see if there isA MACAddressAndCorresponding IPAddress for theDestinationDevice.If there is no entry,the soureeDevice sendsA（  ）message to everyDevice on the network.EachDeviceCompares the IPAddress to its own.Only theDevice with the matching IPAddress replies withA packetContaining the MACAddress for theDevice（except in theCase of “proxyARP”）.The sourceDeviceAdds the（  ）device MACAddress to itsARP table for future reference.
1）A.1And 2
B.2And 3
C.3And 4
D.4And 5
2）A.IP
B.logical
C.hardware
D.network
3）A.IP
B.physical
C.MAC
D.virtual
4）A.unicast
B.multicast
C.broadcast
D.point-to-point
5）A.source
B.destination
C.gateway
D.proxy
答案解析與討論：www.xomuzic.com/st/4501722174.html