Refer to the exhibit. An engineer is trying to determine the status of the ISDN D Channel on a new PRI circuit, types i

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Refer to the exhibit.

An engineer is trying to determine the status of the ISDN D Channel on a new PRI circuit, types in the show isdn status command, and sees this output. Which two pieces of information can be determined from this output? (Choose two.)

Refer To The Ex 1 (104.4 KiB) Viewed 43 times

A. The provider is using the 5ESS protocol.
B. There are four Ð’ channels.
C. The connection to the Cisco Unified Communications Manager has been established.
D. The D channel is working correctly.
E. No active calls are established.