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認證
C.物理地址過濾
D.WPA2安全認證
答案解析與討論:
m.xiexiliangjiufa.com/st/4501110356.html第
60題: 下列IEEE 802.11系列標準中,WLAN的傳輸速率達到300Mb/s的是( )。
A.802.11a
B.802.11b
C.802.11g
D.802.11n
答案解析與討論:
m.xiexiliangjiufa.com/st/4501224565.html第
61題: 某單位計劃購置容量需求為60TB的存儲設備,配置一個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:
m.xiexiliangjiufa.com/st/450139952.html第
63題: 在項目管理過程中,變更總是不可避免,作為項目經(jīng)理應該讓項目干系人認識到( )。
A.在項目設計階段,變更成本較低
B.在項目實施階段,變更成本較低
C.項目變更應該由項目經(jīng)理批準
D.應盡量滿足建設方要求,不需要進行變更控制
答案解析與討論:
m.xiexiliangjiufa.com/st/450153690.html第
64題: 進行項目風險評估最關鍵的時間點是( )。
A.計劃階段
B.計劃發(fā)布后
C.設計階段
D.項目出現(xiàn)問題時
答案解析與討論:
m.xiexiliangjiufa.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:
m.xiexiliangjiufa.com/st/4501722174.html