Advertisement

Responsive Advertisement

Data communication and network mcq questions answered part -2

 


1.Why IP Protocol is considered as unreliable?
A. A packet may be lost
B. Packets may arrive out of order
C. Duplicate packets may be generated
D. All of the above

Answer-  D

2.Computer Network is
A. Collection of hardware components and computers
B. Interconnected by communication channels
C. Sharing of resources and information
D. All of the Above

Answer -D

3.Router operates in which layer of OSI
Reference Model?
A. Layer 1 (Physical Layer)
B. Layer 3 (Network Layer)
C. Layer 4 (Transport Layer)
D. Layer 7 (Application Layer)

Answer -B

4. What is the use of Bridge in Network?
A. to connect LANs
B. to separate LANs
C. to control Network Speed
D. All of the above

Answer - a

5.ADSL is the abbreviation of
A. Asymmetric Dual Subscriber Line
B. Asymmetric Digital System Line
C. Asymmetric Dual System Line
D. Asymmetric Digital Subscriber Line

Answer - D

6.How many layers are in the TCP/IP model?
A. 4 layers
B. 5 layers
C. 6 layers
D. 7 layers

Answer- A

7. How many bits are there in
the Ethernet address?
A. 64 bits
B. 48 bits
C. 32 bits
D. 16 bits

Answer -B

8.The last address of IP address represents
A. Unicast address
B. Network address
C. Broadcast address
D. None of above

Answer -C

9.What is the meaning of Bandwidth in Network?
A. Transmission capacity of a communication
channels
B. Connected Computers in the Network
C. Class of IP used in Network
D. None of Above

Answer -A

10. Which layers of the OSI model are host-to-host
layers?
A. Transport, Session, Persentation, Application
B. Network, Transport, Session, Presentation
C. Datalink, Network, Transport, Session
D. Physical, Datalink, Network, Transport

Answer -A

11. Bridge works in which layer of the OSI model?
A. Appliation layer
B. Transport layer
C. Network layer
D. Datalink layer

Answer -D

12.  Repeater operates in which layer of the OSI
model?
A. Physical layer
B. Data link layer
C. Network layer
D. Transport layer

Answer -A

13. What is the uses of subnetting?
A. It divides one large network into several smaller
ones
B. It divides network into network classes
C. It speeds up the speed of network
D. None of above

Answer -A

14. What does protocol defines?
A. Protocol defines what data is communicated.
B. Protocol defines how data is communicated.
C. Protocol defines when data is communicated.
D. All of above

Answer -D

15.Difference between T568A and T568B is
A. Difference in wire color
B. Difference in number of wires
C. Just different length of wires
D. Just different manufacturer standards

Answer -D

16..  Which of the following protocol is/are defined
in Transport layer?
A. FTP
B. TCP
C. UDP
D. B & C

Answer -D

17. Which of the following is/are Protocols of
Application?
A. FTP
B. DNS
C. Telnet
D. All of above

Answer -D

18.What do you mean by broadcasting in
Networking?
A. It means addressing a packet to all machine
B. It means addressing a packet to some machine
C. It means addressing a packet to a particular
machine
D. It means addressing a packet to except a particular
machine

Answer -A

19. In which type of RAID, data is mirrored
between two disks.
A. RAID 0
B. RAID 1
C. RAID 2
D. RAID 3

Answer -B

20. What is the usable size of Network bits in
Class B of IP address?
A. 04
B. 08
C. 14
D. 16

Answer -C



Post a Comment

0 Comments