Share some CCNA Wireless 200-355 exam questions and answers below.
A wireless engineer is designing a network for the London branch of a company. Which 5-GHz band allows the branch to use the highest EIRP?
A. 2.4-GHz ISM
B. UNII-1
C. UNII-2
D. UNII-2 Extended
Answer: D
When using OFDM, how many subcarriers are devoted to carrying data?
A. 4
B. 12
C. 44
D. 48
E. 52
Answer: D
When calculating the link budget for a wireless point-to-point bridge, the engineer notices that one antenna has its gain marked as 2.85 dBd. With a 20-mW access point and 3-dBi loss for the cable, what is the approximate EIRP?
A. 15 dBm
B. 18 dBm
C. 22 dBm
D. 25 dBm
Answer: A
Due to the terrain, a deployment requires a point-to-point wireless bridge to allow for network connectivity to a remote building. What 5GHz band would permitted to use the highest power in the U.S.?
A. U-NII-3
B. U-NII-2 Extended
C. U-NII-2
D. U-NII-1
Answer: A
A company has all IEEE 802.11a/802.11g devices; however, its network administrator recommends installing 802.11n access points to provide greater performance. Which feature on an 802.11n AP provides better performance to legacy devices?
A. channel aggregation
B. transmit beam-forming
C. maximal-ratio combining
D. spatial multiplexing
Answer: B
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