200-301 Question 307
Single answerA network engineer is configuring a routing protocol in a network with multiple paths. The engineer wants the routing protocol to choose the best path based on bandwidth and delay while ignoring hop count. Which routing protocol metric should the engineer consider using?
- A
EIGRP composite metric
- B
OSPF cost metric
- C
RIP hop count metric
- D
BGP path attributes
Show answer and explanation
Correct answer: A
Explanation
EIGRP's composite metric is the correct choice because it can incorporate both bandwidth and delay as factors for path selection. This capability makes EIGRP ideal for scenarios where these metrics must be considered, unlike OSPF, RIP, or BGP, which do not prioritize both bandwidth and delay in their path selection processes.
- A. Correct.
EIGRP uses a composite metric that can consider multiple factors, such as bandwidth and delay. This makes it suitable for scenarios where bandwidth and delay are important. Hop count is not a primary factor in EIGRP's metric calculation.
- B. Incorrect.
OSPF uses a cost metric based solely on bandwidth, but it does not include delay as a factor. Therefore, it is not the best choice for this scenario.
- C. Incorrect.
RIP uses a simple hop count metric, which does not account for bandwidth or delay. This makes RIP unsuitable for scenarios where these factors are critical.
- D. Incorrect.
BGP uses path attributes like AS_PATH, MED, and local preference, which are unrelated to bandwidth and delay. Therefore, it is not appropriate for this requirement.