CompTIA认证考试

Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?（）A、802.11aB、802.11gC、802.11bD、802.11n

题目

Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?（）

  • A、802.11a
  • B、802.11g
  • C、802.11b
  • D、802.11n
参考答案和解析
正确答案:C
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相似问题和答案

第1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


参考答案：A

第2题：

Which of the following should be used to restrict access to a wireless network?（）

  • A、Port forwarding
  • B、Enable SSID broadcast
  • C、Wireless encryption
  • D、Enable DMZ

正确答案:C

第3题：

After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?()

A. Antennae is not connected

B. Wireless card is defective

C. Drivers needs to be updated

D. OS needs to be updated


参考答案：A

第4题：

A wireless access point supports up to 20 clients. Which of the following describes this wirelessnetwork?（）

  • A、Mesh
  • B、Point to point
  • C、Point to multipoint
  • D、Ring

正确答案:C

第5题：

Which of the following features on a wireless router maps the private IP address to a public IPaddress?（）

  • A、SSID
  • B、NAT
  • C、MAC filtering
  • D、DHCP

正确答案:B

第6题：

Which of the following monitors a server to see which protocols might be in use?()

A. Ping sweep

B. Intrusion detection software

C. Port scanner

D. Wireless packet sniffer


参考答案：B

第7题：

Which of the following monitors a server to see which protocols might be in use?（）

  • A、Ping sweep
  • B、Intrusion detection software
  • C、Port scanner
  • D、Wireless packet sniffer

正确答案:B

第8题：

A technician is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used?()

A.802.11a

B.802.11b

C.802.11g

D.802.11n


参考答案：D

第9题：

Which of the following devices could be configured as a DHCP server?（）

  • A、Wireless router
  • B、Unmanaged switch
  • C、Hub
  • D、Repeater

正确答案:A

第10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

正确答案:A

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