單項(xiàng)選擇題

Why is an OC-3 2F-BLSR not feasible?（）

A. Switch times would exceed 50 ms for an OC-3 BLSR ring.
B. An equal amount of working and protect bandwidth is required.
C. DCC bandwidth is not large enough to handle K1/K2 processing.
D. There is not enough bandwidth in an OC-3 ring to justify BLSR protection.

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多項(xiàng)選擇題

What are two characteristics of dual-ring interconnect in SONET networks? （）(Choose two.)

A. It protects signals against node failures between rings.
B. It protects signals against node failure within a single ring.
C. It allows for traffic to be preempted when a ring switch occurs.
D. Traffic can be dropped and continued at interconnecting nodes.
E. It protects preemptible traffic from being dropped when a ring switch occurs.

單項(xiàng)選擇題

What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards?（）

A.LEX
B.HDLC
C.GFP-F
D.PPP/BCP

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Why is an OC-3 2F-BLSR not feasible?（）

你可能感興趣的試題

What are two characteristics of dual-ring interconnect in SONET networks? （）(Choose two.)

What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards?（）