Mostly ________ is used in wireless LAN.

Networking - Quiz(MCQ)

orthogonal frequency division multiplexing

time division multiplexing

space division multiplexing

channel division multiplexing

Correct Answer : Option (A) : orthogonal frequency division multiplexing

Explanation : In orthogonal frequency division multiplexing, digital data is encoded on multiple carrier frequencies. It is also used in digital television and audio broadcasting in addition to Wireless LANs.

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Q .

EIGRP uses the ____________ algorithm for finding shortest path.

DUAL

SPF

Linkstat

Djikstra’s

Correct Answer : Option (A) : DUAL

Explanation : EIGRP uses the DUAL algorithm for finding shortest path. DUAL stands for diffusing update algorithm and it is used to prevent routing loops by recalculating routes globally.

Q .

Administrative distance for external EIGRP route is _______

100

170

135

190

Correct Answer : Option (B) : 170

Explanation : Routers use the metric of administrative distance to select the best path when there are different routes to the same destination from two different routing protocols as it is a measure of reliability of routing protocols. Administrative distance for external EIGRP is 170.