ISDN Interview Questions

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Total Questions: 5

1. ISDN stands for ________

A. Integrated Services Digital Network

B. Integrated Services Discrete Network

C. Integrated Services Digital Node

D. Integrated Services Discrete Node

Correct Answer is : Integrated Services Digital Network

2. ISDN is based on the concept of _______

A. SS7

B. CCS

C. ARDIS

D. CDPD

Correct Answer is : CCS

3. Signalling component that supports traffic between the end-user and network is called ________

A. Network signalling

B. Digital subscriber signalling

C. Access signalling

D. Subscriber system signalling

Correct Answer is : Access signalling

4. Information bearing channels in ISDN are called ______

A. D channels

B. Data channels

C. B channels

D. Voice channels

Correct Answer is : B channels

5. Which of the following is based on ATM technology?

A. SS7

B. CCS

C. ARDIS

D. B-ISDN

Correct Answer is : B-ISDN

ISDN interview questions