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4A0-C01 · Question #60
4A0-C01 Question #60: Real Exam Question with Answer & Explanation
The correct answer is C. The link state information is not populated in the database and an acknowledgement is sent. See the full explanation below for the reasoning.
Question
An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?
Options
- AThe link state information is not populated in the database but is forwarded to all neighbors
- BThe link state information already in the database is overwritten and the age is reset
- CThe link state information is not populated in the database and an acknowledgement is sent
- DThe link state information is regarded as old and nothing is done.
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