4A0-D01 by Nokia Actual Free Exam Q&As

Question 1

Which of the following is NOT a valid logging source used in Nokia's SR Linux?

A. SR Linux subsystem + priority B. Linux facility + priority C. Console D. Syslog filter

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Correct Answer: D Vote an answer

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Question 2

Which of the following is NOT how prefixes are typically learned and advertised in a leaf and spine data center?

A. Each leaf router learns the prefixes of remote servers from other leaf routers directly using eBGP. B. Spine routers learn prefixes from leaf routers directly using eBGP. C. Spine routers advertise learned prefixes to leaf routers directly using eBGP. D. Each leaf router advertises the prefixes of its own locally connected servers.

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Correct Answer: A Vote an answer

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Question 3

Which of the following statements about using BFD with BGP is FALSE?

A. The BFD endpoints agree on the send/receive rate of control packets. B. It can help rapidly detect link failures. C. BGP is notified if several BFD control packets are missed. D. Using BFD can speed up the BGP advertisement interval.

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Correct Answer: D Vote an answer

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Question 4

Which of the following statements about resilient ECMP load balancing is TRUE?

A. Hash buckets are used to ensure that flows egressing the same interface on one router use different egress interfaces on downstream routers. B. A different hash seed is used on downstream routers to ensure that flows are randomly distributed across all eligible router interfaces. C. The hash value used to distribute traffic is calculated as a modulo function on specific fields of the packet header. D. When one of the next-hops fail, only flows currently egressing to that next-hop are impacted.

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Correct Answer: D Vote an answer

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Nokia Data Center Fabric Fundamentals - 4A0-D01 Exam Practice Test