单项选择题
An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?（）
A. 802.1 1g
B. 802.1X
C. 802.11n
D. 802.11b
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单项选择题
A technician wants to use an existing DHCP server for three additional VLANs. Which of the following features needs to be configured to allow for this addition?（）
A. DHCP server
B. Proxy server
C. Repeater
D. DHCP relay -
单项选择题
Multiple users call from the same location saying that they have no network connectivity. The administrator is unable to ping the main switch at that IDF. Which of the following configuration management documents would the administrator MOST likely consult to troubleshoot the issue?（）
A. Baseline configuration
B. Security policy
C. Performance and transaction logs
D. Physical network diagram -
单项选择题
Which of the following is used to reduce the number of public IP addresses required?（）
A.RADIUS
B.SNAT
C.PAT
D.NAT
