Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. The functionalities of the presentation layerinclude
a. Data compression
b. Data encryption
c. Data description
d. All of the mentioned
Q. Delimiting and synchronization of data exchange is providedby
a. Application layer
b. Session layer
c. Transport layer
d. Link layer
Q. In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is
a. Application layer
b. Transport layer
c. Link layer
d. Session layer
Q. In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is
a. Application layer
b. Transport layer
c. Link layer
d. Session layer
Q. Which layer is used to link the network support layers and user supportlayers?
a. Session layer
b. Data link layer
c. Transport layer
d. Network layer
Q. OSI standsfor
a. Open system interconnection
b. Operating system interface
c. Optical service implementation
d. Open service Internet
Q. Which Project 802 standard provides for a collision-free protocol?
a. 802.2
b. 802.3
c. 802.5
d. 802.6
Q. The protocol data unit (PDU) for the application layer in the Internet stack is
a. Segment
b. Datagram
c. Message
d. Frame
Q. What is a Firewall in Computer Network?
a. The physical boundary of Network
b. An operating System of Computer Network
c. A system designed to prevent unauthorized access
d. A web browsing Software
Q. Which of the following services is not provided by wireless access point in802.11 WLAN?
a. Association
b. Disassociation
c. Error correction
d. Integration
Q. Bridge works in which layer of the OSI model?
a. Application layer
b. Transport layer
c. Network layer
d. Data link layer
Q. 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
Q. What are 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
Q. The Internet is an example of
a. Cell switched network
b. circuit switched network
c. Packet switched network
d. All of above
Q. 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