Computer Networks

521. One ____________ is one burst period per TDMA frame

1. Physical channel
2. Logical channel
3. Both a & b
4. None of these

View answer

522. One is used for alignment of ____________

1. Terminal frame
2. Signaling frame
3. Super frame
4. Switching frame

View answer

523. One more kind of analog modulation is called

1. Vestigial side band modulation
2. Vestigial side base modulation
3. Vestigial slide band modulation
4. Vestigial slide base modulation

View answer

524. Only up to ____________ per segment can be connected to a T-connector

1. 10 nodes
2. 20 nodes
3. 30 nodes
4. 40 nodes

View answer

525. Operation Subsystem also provides interface NSS via O-Interface that may be

1. X.25 interface
2. X.32 interface
3. X.23 interface
4. None of these

View answer

526. OSI has two meanings refers to

1. OSI basic reference model
2. Protocol that are authorized by ISO
3. Both a & b
4. None of these

View answer

527. OSPF is a hierarchical routing composed of

1. Intra-area routing
2. Inter-area routing
3. Inter-domain routing
4. All of these

View answer

528. Other two significant PMD are

1. SMF-PMD(Single Mode Fibre-PMD)
2. LCF-PMD(Low Cost Fibre-PMD)
3. Both a & b
4. None of these

View answer

529. Out of 26 frames, 24 are used for traffic, one is used for the ____________ and one is currently unused

1. SACCH(Slow Associated Control Channel)
2. FACCH(Fast Associated Control Channel)
3. BCCH
4. CCCH

View answer

530. Packet switching technologies such as ____________ are used to implement WAN along with statistical multiplexing

1. ATM
2. Frame relay
3. Switched multimeagabit data service
4. X.25
5. All of these

View answer