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
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