Posted by: Pdfprep
Post Date: October 31, 2020
Which two statements are true about unified ISSU? (Choose two.)
A . It allows gradual implementation of new features.
B . It reduces operating costs while delivering higher service levels.
C . It involves network down time during software image upgrades.
D . It requires graceful Routing Engine switchover (GRES) and nonstop active routing (NSR).
Answer: B,D
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