ATM and frame relay are ________

Networking - Quiz(MCQ)

datagram networks

virtual public networks

virtual circuit networks

virtual private networks

Correct Answer : Option (C) : virtual circuit networks

Explanation : ATM and frame relay are transmission modes in which information is transferred through electric circuit layer as packets. ATM has fixed packet size and frame relay has variable packet size.

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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.