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Question No: 1 |
What is max data capacity for optical fiber cable?
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10 mbps |
100 mbps |
1000 mbps |
10000 mbps |
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Question No: 2 |
In OSI network architecture, the dialogue control and token management are responsibilities of-
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Session layer |
Network layer |
Transport layer |
Data link layer |
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Question No: 3 |
If a computer on the network shares resources for others to use, it is called--
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Server |
Client |
Mainframe |
None of above |
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Question No: 4 |
Which of the following is used for modulation and demodulation?
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Modem |
Protocol |
Gateway |
Multiplexer |
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Question No: 5 |
In which topology, if a computer’s network cable is broken, whole network goes down.
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Question No: 6 |
For large networks, which topology is used?
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Question No: 7 |
ISO stands for--
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International Standard Organization |
International Student Organization |
Integrated Services Organization |
None of above |
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Question No: 8 |
ISO OSI model is used in--
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Stand alone PC |
Network environment |
Sub network access |
None of above |
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Question No: 9 |
Network cable lies on layer--
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Application |
Network |
Physical |
Data link |
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Question No: 10 |
Which layer decides which physical pathway the data should take?
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Application |
Network |
Physical |
Data |
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Question No: 11 |
ISDN is an example of which network?
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Circuit switched |
Packet switched |
Both of above |
None of above |
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Question No: 12 |
X.25 is an example of which network?
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Circuit switched |
Packet switched |
Both of above |
None of above |
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Question No: 13 |
Which server allows LAN users to share computer programs and data?
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Communication server |
Print server |
File server |
Mail Server |
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Question No: 14 |
Which buffer holds the data before it is sent to the printer through print server?
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Queue |
Spool |
Node |
None of above |
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Question No: 15 |
A standalone program that has been modified to work on a LAN by including concurrency controls such as file and record locking is an example of--
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LAN intrinsic software |
LAN aware software |
Groupware |
LAN ignorant software |
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Question No: 16 |
Which connector is used in STP?
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Question No: 17 |
What is the central device in star topology?
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STP server |
Hub/switch |
PDC |
Router |
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Question No: 18 |
In which portion of LAN management software restricts access, records user activities and audit data etc?
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Configuration management |
Security management |
Performance management |
Switch Management |
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Question No: 19 |
What is the max cable length of STP?
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100 ft |
200 ft |
100 m |
200 m |
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Question No: 20 |
What is the max data capacity of STP?
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10 mbps |
100 mbps |
1000 mbps |
10000 mbps |
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Question No: 21 |
Which of the following architecture uses CSMA/CD access method?
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ARC net |
Ethernet |
Both of above |
None of above |
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Question No: 22 |
In OSI network architecture, the routing is performed by--
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Network layer |
Data link layer |
Transport layer |
Session layer |
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Question No: 23 |
Which of the following performs modulation and demodulation?
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Fibre optics |
Satellite |
Coaxial cable |
Modem |
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Question No: 24 |
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as--
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Modulation |
Demodulation |
Synchronizing |
Digitising |
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Question No: 25 |
How many OSI layers are covered in the X.25 standard?
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Question No: 26 |
Layer one of the OSI model is--
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Physical layer |
Link layer |
Transport layer |
Network layer |
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Question No: 27 |
The x.25 standard specifies a--
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Technique for start-stop data |
Technique for dial access |
Dte/dce interface |
Data bit rate |
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Question No: 28 |
Which of the following communication modes support two-way traffic but in only one direction at a time?
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Simplex |
Half duplex |
Three-quarters duplex |
All of the above |
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Question No: 29 |
Which of the following might be used by a company to satisfy its growing communications needs?
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Front end processor |
Multiplexer |
Controller |
All of the above |
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Question No: 30 |
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
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Question No: 31 |
The interactive transmission of data within a time sharing system may be best suited to--
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Simplex lines |
Half-duplex lines |
Full duplex lines |
Biflex-lines |
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Question No: 32 |
Which of the following is considered a broad band communication channel?
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Coaxial cable |
Fibre optics cable |
Microwave circuits |
All of above |
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Question No: 33 |
Which of the following is not a transmission medium?
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Telephone lines |
Coaxial cables |
Modem |
Microwave systems |
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Question No: 34 |
Which of the following does not allow multiple uses or devices to share one communication line?
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Double plexer |
Multiplexer |
Concentrator |
Controller |
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Question No: 35 |
Which of the following signal is not standard RS-232-C signal?
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Question No: 36 |
Which of the following is an advantage to using fibre optics data transmission?
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Resistance to data theft |
Fast data transmission rate |
Low noise level |
All of above |
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Question No: 37 |
Which of the following is required to communicate between two computers?
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Communications software |
Protocol |
Communication hardware |
All of above including access to transmission medium |
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Question No: 38 |
The transmission signal coding method of TI carrier is called
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Bipolar |
NRZ |
Manchester |
Binary |
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Question No: 39 |
Communiction circuits that transmit data in both directions but not at the same time are operating in
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A simplex mode |
A half duplex mode |
A full duplex mode |
An asynchronous mode |
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Question No: 40 |
A band is always equivalent to
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A byte |
A bit |
100 bits |
None of above |
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