单项选择题

Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）

A. CSMA/CA
B. CSMA/CD
C. Wireless encryption
D. Wireless bonding

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单项选择题

An administrator wants to limit access of a wireless network without requiring authorized users to
enter a password or network key.
Which of the following methods would MOST likely be implemented on the wireless network?（）

A. Disable SSID
B. WPA
C. MAC filtering
D. RAS

单项选择题

Which of the following mitigation techniques would an administrator apply to a device in order torestrict remote access?（）

A. Disable TELNET
B. Disable IGMP snooping
C. Enable TELNET but not SSL
D. Disable ICMP/ping on device

单项选择题

Web users are reporting issues downloading various types of media. Which of the following shouldthe administrator do FIRST?（）

A. Find out what has recently changed on the network
B. Create an action plan and solution identifying potential effects.
C. Continue to gather information and see what other problems may exist.
D. Determine the most probable cause.