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N10-004單項(xiàng)選擇題每日一練(2019.01.08)

單項(xiàng)選擇題
A new department is formed and a new section of the building is being built out for them. All 50 new employees will need access to the wireless network.Which of the following should be completed to allow these new employees access to the wireless network?（）
A. Frequency settings should be changed
B. Additional WAPs should be installed
C. Channels should be changed
D. VLANs should be added
單項(xiàng)選擇題
A technician is working on a SOHO wireless network and notices that the wireless adaptor in thelaptop shows excellent connection at 11Mbps.The technician has a wireless N adaptor.Which of the following would BEST describe this connection speed?（）
A. The laptop is too far away from the WAP.
B. The WAP is using 802.11a frequencies.
C. The laptop is only set to allow 802.11n connections.
D. The technician is on an 802.11b network.
單項(xiàng)選擇題
Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）
A. ISDN
B. DSL
C. Satellite
D. Cable
單項(xiàng)選擇題
A network technician is installing a small wireless network. A requirement is that individual users must authenticate using usernames and passwords.Which of the following technologies would support users authenticating with encrypted usernames and passwords?（）
A.WPA TLS
B.WPA PEAP
C.64-bit WEP
D.128-bit WEP
單項(xiàng)選擇題
At which of the following layers does the TFTP protocol operate?（）
A.Layer 1
B.Layer 4
C.Layer 5
D.Layer 7

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