ISDN Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ISDN Interview Questions

Questions Answers Views Company eMail

What item of equipment would be required to connect a modem to ISDN? A terminal adapter.

ITI,

1452

What is the name of the reference point that is located on the user side of an NT1?

1 1981

Does the network provider supply the NT1 in North America?

1 2012

In order to be able to plug analogue devices into sockets on an NT1, what extra item of equipment would need to be included within the the NT1?

1 1970

What are these types of NT1 known as?

1 2065

How many devices can be connected to a standard BRI line?

1 1987

What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:

1 1971

A device is configured for automatic TEI. What is its address immediately after being switched on - before it starts communicating with the network?

1 2059

In practice, what is the maximum number of devices that may be connected to a BRI which expects a fixed TEI?

1 1873

What is the significance of the TEI in B channel communication?

1 2038

What address does an ISDN PRI line always use?

1 2106

Why does there need to be a broadcast TEI?

1 2039

What channel do the call management messages use?

1 1939

What channel does the end-to-end connection use?

1 2068

What is the initial call request message called?

1 2120

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Un-Answered Questions { ISDN }

What do the layers look like?

1388

What is Fractional PRI?

1377

What are SPIDs?

1380

How the structures of BRI and PRI compare

1594

What the B and D channels do?

1419

How can I get more information?

1381

What is the Frame Format ?

1358

How ISDN allows multiple devices to share a single line?

1625

What is LAP-D?

1271

What is ISDN's history?

1329

What item of equipment would be required to connect a modem to ISDN? A terminal adapter.

1452

How ISDN and analogue networks interact?

1378

What are BRI and PRI? What are Channels?

1314

How users are connected to a public ISDN through an ISPBX?

1327

What is Soft-fax and Soft-modem?

1619

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