宁国都颈装饰工程有限公司

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單項(xiàng)選擇題

A customer has 2 DS1s to add between adjacent nodes in a UPSR ring. What type of circuit should you recommend?（）

A. VT circuits
B. STS circuits
C. VT tunnel circuits
D. 1:1 protection circuits
E. 1:N protection circuits

你可能感興趣的試題

單項(xiàng)選擇題

Click the Exhibit button. Given the information shown in the exhibit, when creating 2 DS1 circuits, how many STS ports are used on the VT1.5 matrix at Node 1 as VT circuits and how many are used after using VT tunnels?（）

A.2；0
B.3；2
C.3；5
D.4；0
E.6；0
F.6；2

單項(xiàng)選擇題

A customer wants to create a 1:1 protection group with a DS3N-12 card. Which card slots would allow for a 1:1 protection?（）

A. Slot 2 and Slot 4
B. Slot 4 and Slot 6
C. Slots 5 or 13 only
D. Slot 16 and Slot 17

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