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單項選擇題

Which statement about standard STS-1 SONET framing is true？（）

A.8 rows by 64 bytes
B.6 rows by 64 bytes
C.10 rows by 96 bytes
D.8 rows by 128 bytes
E.9 rows by 90 bytes

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單項選擇題

What is the default BGP scanner time？（）

A.10 minutes
B.5 minutes
C.120 seconds
D.60 seconds
E.30 minutes

單項選擇題

You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link？（）

A.fast convergence SFP
B.MTU discovery
C.redundancy links
D.keepalive
E.carrier delay

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