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. 512
B. 255
C. 1024
D. 4096

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单项选择题

You are installing a Cisco ONS 15454 SDH in a service provider site. An E3 cable is being connected to a digital cross-connect system.
What is the maximum distance allowed between the two？（）

A. 225 ft
B. 450 ft
C. 655 ft
D. 900 ft

单项选择题

Why is an STM-1 2F-MS-SPRing NOT feasible？（）

A. An equal amount of working and protect bandwidth is required.
B. DCC bandwidth is not large enough to handle K1/K2 processing.
C. Switch times would exceed 50 ms for an STM-1 MS-SPRing ring.
D. There is not enough bandwidth in an STM-1 ring to justify MS-SPRing protection.

单项选择题

You are provisioning an E-1 circuit on an ONS 15454 SNCP configuration and XC-VXL-10G card.
How many total ports are used within the Low-Order matrix at the source node？（）

A. 0
B. 1
C. 2
D. 3
E. 5