1. A term that defines the direction of flow of information between devices
A. interconnectivity
B. intra connectivity
C. transmission mode
D. transmission
Answer = transmission mode
2. Transmission mode controls the direction of signal flow.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
3. Which of the following isn’t a type of transmission mode.
A. physical
B. simplex
C. full duplex
D. half duplex
Answer = physical
4. A transmission that generally involves dedicated circuits
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = simplex
5. A transmission mode that can transmit data in both the directions but transmits in only one direction at a time.
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = half duplex
6. A communication between a computer and a keyboard involves ____________ duplex transmission.
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = simplex
7. Telephone networks operate in this mode.
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = full duplex
8. Fire alarms are based on this type of transmission:.
A. direct
B. network
C. analog
D. multiple
Answer = analog
9. A technique of transmitting data or images or videos (information) using a continuous signal.
A. direct
B. network
C. analog
D. multiple
Answer = analog
10. A walkie-talkie operates in ____________.
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = half duplex
11. A topology that is responsible for describing the geometric arrangement of components that make up the LAN..
A. Complex
B. Physical
C. Logical
D. Incremental
Answer = Physical
12. Bus is a type of topology.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
13. _____ LAN topology describes the possible connections between pairs of networked end-points that can communicate.
A. Complex
B. Physical
C. Logical
D. Incremental
Answer = Logical
14. A term that refers to the way in which the nodes of a network are linked together.
A. network
B. topology
C. connection
D. interconnectivity
Answer = topology
15. A network comprising o multiple topologies
A. Complex
B. Hybrid
C. Bus
D. Star
Answer = Hybrid
16. The participating computers in a network are referred to as:.
A. Clients
B. Servers
C. Nodes
D. CPUs
Answer = Nodes
17. A topology that involves Tokens
A. Star
B. Ring
C. Bus
D. Daisy Chaining
Answer = Ring
18. A ____________WAN can be developed using leased private lines or any other transmission facility
A. Hybrids
B. peer-to-peer
C. Two-tiered
D. Three-tiered
Answer = peer-to-peer
19. A serially connected system of all the hubs of networks
A. Bus
B. Ring
C. Daisy chains
D. Star
Answer = Daisy chains
20. A piece of information which is sent along with the data to the source computer.
A. data
B. module
C. token
D. element
Answer = token
21. Configuration where many independent computer systems are connected.
A. Complex
B. Distributed
C. Cloud
D. Incremental
Answer = Distributed
22. Partial mesh is a highly flexible topology that can take a variety of very different configurations
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
23. Components used for interconnecting dissimilar networks that use different communication protocols
A. Switches
B. Gateways
C. Routers
D. Bridges
Answer = Gateways
24. A topology is a modified version of the basic star topology.
A. network
B. two-tiered
C. bus
D. ring
Answer = two-tiered
25. WANs that need to interconnect a very large number of sites
A. bus
B. two-tiered
C. three-tiered
D. ring
Answer = three-tiered
26. Components that operate at the network layer of the OSI model.
A. Switches
B. Servers
C. Routers
D. Gateways
Answer = Routers
27. A topology that involves Tokens
A. Star
B. Ring
C. Bus
D. Daisy Chaining
Answer = Ring
28. ____________ operate at bottom two layers of the OSI model.
A. Bridges
B. Switches
C. Models
D. Modules
Answer = Bridges
29. Connecting two or more networks to form a single network is called :.
A. Internetworking
B. Intranetworking
C. Interconnecting
D. Intraconnectivity
Answer = Internetworking
30. OSI stands for.
A. Open Site Interconnection
B. Open System Interdependence
C. Open System Interconnection
D. Open Site Interdependence
Answer = Open System Interconnection
31. WDM stands for.
A. Wave division multiplexing
B. Wavelength division multiplexing
C. Wavelength dependent multiplexing
D. Wave dependent multiplexing
Answer = Wavelength division multiplexing
32. In TDM, the samples occupy adjacent time slots
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
33. In this type of multiplexing time slots are preassigned to sources and fixed.
A. TDM.
B. Synchronous TDM.
C. Asynchronous TDM.
D. FDM.
Answer = Synchronous TDM
34. Controlling the frequency is referred as _________.
A. frequency modulation
B. hertz modulation
C. amplitude modulation
D. phase modulation
Answer = frequency modulation
35. A technique that can be a solution to the problem of synchronizing data sources
A. framing
B. data link control
C. full link control
D. pulse stuffing
Answer = pulse stuffing
36. For voice, each channel contains a ___ word of digitized data.
A. 2.
B. 1.
C. 0.
D. 4.
Answer = 1
37. Many time slots are wasted in __________.
A. TDM.
B. Synchronous TDM.
C. Asynchronous TDM.
D. FDM.
Answer = Synchronous TDM
38. A technique that allocates time slots dynamically.
A. TDM.
B. WDM.
C. Dynamic TDM.
D. Statistical TDM.
Answer = Statistical TDM
39. A system in which two channels are dedicated to transfer data.
A. TV.
B. Cable
C. Modem
D. Cable modem
Answer = Cable modem
40. In this technique, there is a link between subscriber and network and a local loop.
A. SSDL.
B. DSDL.
C. ASDL.
D. TSDL.
Answer = ASDL
41. A coaxial cable has a bandwidth of _________ of megahertz.
A. 100.
B. 150.
C. 1000.
D. 10000.
Answer = 100
42. In TDM, the samples occupy adjacent time slots
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
43. The carrier wave is a _________.
A. tan wave
B. cosec wave
C. sine wave
D. cot wave
Answer = sine wave
44. Controlling the phase is referred as __________.
A. modulation
B. half modulation
C. amplitude modulation
D. phase modulation
Answer = phase modulation
45. A transmission mode that can transmit data in both the directions but transmits in only one direction at a time.
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer = half duplex
46. A multiplexing technique based on sampling.
A. FDM.
B. TDM.
C. SDM.
D. FM.
Answer = TDM
47. An example of FDM:.
A. broadcast radio
B. telephone
C. machines
D. semi-duplex
Answer = broadcast radio
48. FDM stands for.
A. Frequency Division Multiplexing
B. Frequency Dependent Multiplexing
C. Frequency Diverged Multiplexing
D. Frequency Derived Multiplexing
Answer = Frequency Division Multiplexing
49. A modulation technique that improves channel bandwidth utilization.
A. direct
B. modulation
C. demodulation
D. multiplexing
Answer = multiplexing
50. The purpose of communication system is to transfer information from _______ to the destination.
A. user
B. source
C. system
D. station
Answer = source