单项选择题
The ML-series Ethernet card on the ONS 15454 provides up to （）active Q-in-Q instances per card.
A.255
B.512
C.1024
D.4096
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相关考题
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单项选择题
Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references?（）
A.line timing
B.loop timing
C.internal timing
D.through timing
E.external timing -
单项选择题
You are provisioning a DS-1 circuit on an ONS 15454 2F-BLSR with a XC-10G card. Each VT1.5 connection must also terminate via the STS matrix. On the originating circuit node, how many STS ports are now available for VT1.5 circuits?（）
A.2
B.3
C.4
D.20
E.22
F.24 -
单项选择题
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
