Computer Networks

461. ISDN can be accessed as per CCITT by using two service called

1. BRI(Basic Rate Interface)
2. PRI(Primary Rate Interface)
3. Both a & b
4. None of these

View answer

462. ISDN connections mat be seen as very ____________ digital conduits

1. High rate-of-error
2. Low rate-of-error
3. Both a & b
4. None of these

View answer

463. ISDN is a group of ____________ standards relating to digital transmission across conventional copper wire telephone lines, as also other media

1. CCITT
2. ITU
3. Both a & b
4. None of these

View answer

464. ISDN stands for

1. Integrated Service Digital Network
2. Interaction System Digital Network
3. Inexpensive System Digital Network
4. None of these

View answer

465. ISO revised these standards and reintroduced them as ISO 8802 standards during

1. 1977
2. 1987
3. 1997
4. 1999

View answer

466. ISO stands for

1. International Organization for Standardization
2. Internet Organization for Standardization
3. International Organization Standardization
4. International for Organization Standardization

View answer

467. ISO-OSI reference model these could only be run one at a time by the end ____________

1. 1969s
2. 1971s
3. 1970s
4. 1972s

View answer

468. It defines the electrical and mechanical aspects of interfacing to a physical medium for transmitting data ____________

1. As well as setting up
2. Maintaining
3. Disconnecting physical links
4. All of these

View answer

469. It sits inside SIM card, which can be carried out anywhere and can be used in any MS

1. MSISDN Number
2. IMSI Number
3. TMSI Number
4. MSRN

View answer

470. ITU-T finds wide use all over the world except three nations namely

1. UK, USA, Japan
2. USA, Canada, Japan
3. Japan, America, USA
4. Japan, America, Canada

View answer