In tunnel mode, IPSec protects the ______

Networking - Quiz(MCQ)

IP trailer

Entire IP packet

IP header

IP payload

Correct Answer : Option (B) : Entire IP packet

Explanation : In the tunnel mode, IPSec adds control bits into the packets to encrypt the entire packet between the IPSec endpoints. Using encryption, it provides secure communication between the two endpoints.

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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.