Wireless technologies networking interview question

11.

What is the maximum distance with maximum data rate for 802.11b?
A.     About 65-75 feet
B.     About 90-100 feet
C.     About 150 feet
D.     Over 200 feet
Answer & Explanation

Answer: Option C

Explanation:

The IEEE 802.11b standard provides a maximum data rate of up to only 11Mbps, and you can be around 150 feet, maybe farther, depending on conditions.
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12.

What is the maximum distance with maximum data rate for 802.11g?
A.     About 65-75 feet
B.     About 90-100 feet
C.     About 150 feet
D.     Over 200 feet
Answer & Explanation

Answer: Option B

Explanation:

The IEEE 802.11g standard provides a maximum data rate of up to 54Mbps, but you need to be close to the access point, somewhere around 90 to 100 feet.
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13.

What is the maximum distance running the lowest data rate for 802.11a?
A.     About 100 feet
B.     About 175 feet
C.     About 300 feet
D.     About 350 feet
Answer & Explanation

Answer: Option B

Explanation:

The IEEE 802.11a standard’s lowest data rate is 6Mbps, but it can run from a distance of about 175 feet.
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14.

How many non-overlapping channels are available with 802.11h?
A.     3    B.     12
C.     23    D.     40
Answer & Explanation

Answer: Option C

Explanation:

The IEEE 802.11h standard provides an addition 11 channels to the 802.11a standard’s 12 non-overlapping channel for a total of 23 non-overlapping channels.
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15.

What is the maximum data rate for the 802.11b standard?
A.     6Mbps    B.     11Mbps
C.     22Mbps    D.     54Mbps
Answer & Explanation

Answer: Option B

Explanation:

The IEEE 802.11b standard provides a maximum data rate of up to 11Mbps.

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