Solved MCQs on Data Communications-New

 

1

. A computer network permits sharing of

• Resources
• Information 
• Both a & b
• None of these

C. Both a & b

2

. The first operational computer network in the world was the _________ for the United States Department of Defense

• ARPANET 
• ERNET
• SKYNET
• DARPANET

A. ARPANET 

3

. ATM stands for

• Automatic taller machine 
• Automated teller machine
• Automatic transfer machine
•  Automated transfer machine

B. Automated teller machine

4

. _______ is the technology that connects the machines and people within a site in a small area

• LAN 
• MAN
• WAN
• None of these

A. LAN 

5

. ______ is a network that covers geographic areas that are larger, such as districts or cities

• LAN 
• MAN 
• WAN
• None of these

B. MAN 

6

. ______ is a network that this technology connects sites that are in diverse locations

• LAN
• MAN
• WAN 
• None of these

C. WAN 

7

. ______ is a collection of point-to-point links that may form a circle

• LAN
• MAN
• WAN
• Ring topology

D. Ring topology

8

. The ISDN Internetworking Equipment devices are

• Terminal Adapters(TAs)
• ISDN Bridges
• ISDN Routers
• All of these

D. All of these

9

. ATM networks are

• connectionless
• Interconnected
• connection oriented
• None of these

C. connection oriented

10

. DHCP stands for

• Dynamic Host Configuration Protocol
• Digital Host Communication Provider
• Digital Host Communication Protocol
• Dynamic Host Configuration Provider

A. Dynamic Host Configuration Protocol

 MCQs set 2

A. Address Resolution Protocol 

9

. If two or more routers are connected to the same subnet, the network administration determines which of the routers the messages should be sent to eliminate this problem._____ are used

• MAC messages
• ICMP messages
• INDP messages
• IMCP messages

B. ICMP messages

10

. If two or more routers are available in distributed routing, which route should be selected

• High possible cost
• Least possible cost
•  Link cost
• Both b & c

C.  Link cost

MCQs Set 3

•  Logical ring 
• Physical ring
• Both a & b
• None of these

A.  Logical ring 

10

. A _________ preamble is used to synchronize the receiver’s clock

• Four-byte
• Three-byte
• Two-byte
• One-byte

D. One-byte

MCQs Set 4

•  Logical ring 
• Physical ring
• Both a & b
• None of these

A.  Logical ring 

10

. A _________ preamble is used to synchronize the receiver’s clock

• Four-byte
• Three-byte
• Two-byte
• One-byte

D. One-byte

MCQs Set 5

•  Logical ring 
• Physical ring
• Both a & b
• None of these

A.  Logical ring 

10

. A _________ preamble is used to synchronize the receiver’s clock

• Four-byte
• Three-byte
• Two-byte
• One-byte

D. One-byte

MCQs Set 6

• ipconfig
• ipconf 
• ipnum

B. ipconfig

10

. Datagrams using header extension are called __________

• payload
• trailer
• datagram packets
• jumbograms

D. jumbograms

 

MCQs Set 7

• synchronization bytes
• addresses
•  frame identifier
• all the above

D. all the above

10

. The ________ model shows how the network functions of a computer ought to be organized.

• CCITT
• OSI
• ISO
• ANSI

B. OSI

 

MCQs Set 8

• synchronization bytes
• addresses
•  frame identifier
• all the above

D. all the above

10

. The ________ model shows how the network functions of a computer ought to be organized.

• CCITT
• OSI
• ISO
• ANSI

B. OSI

 

MCQs Set 9

• SLIP
• SMTP
• PAS

D. PAS

9

. IPV6 has _____ bit addresses.

• 32
• 4
• 128
• variable

C. 128

10

. In fiber optics,the signal source is ______ waves.

• light
• infrared
• radio
• very low frequency.

A. light

 

MCQs Set 10

• SLIP
• SMTP
• PAS

D. PAS

9

. IPV6 has _____ bit addresses.

• 32
• 4
• 128
• variable

C. 128

10

. In fiber optics,the signal source is ______ waves.

• light
• infrared
• radio
• very low frequency.

A. light