DETAILED SYLLABUS
Introductory Concepts: Goals and applications of networks, Categories of networks,
Organization of the Internet, ISP, Network structure and architecture (layering principles,
services, protocols and standards), The OSI reference model, TCP/IP protocol suite, Network
devices and components.
Physical Layer:
Network topology design, Types of connections, Transmission media, Signal transmission and
encoding, Network performance and transmission impairments, Switching techniques and
multiplexing.l.
Unit-1
1.
Which processes does TCP, but not UDP,
use?
a.
Windowing
b.
Acknowledgements
c.
Both a and b
d.
Destination Port
Answer:
Option(c)
2.
SMTP is a protocol used in which layer?
a.
Application
b.
Network
c.
Physical
d.
Transport
Answer:
Option(a)
3.
Terminators are used in which topology?
a.
Bus
b.
Star
c.
Ring
d.
token ring
Answer:
Option(a)
4. In which topology, if a computer’s
network
cable
is broken, whole network goes down.
a.
Ring
b.
Star
c.
Bus
d.
token ring
Answer:
Option(c)
5.
For large networks, which topology is used?
a.
Bus
b.
Tree
c.
Ring
d.
Mesh
Answer:
Option(b)
6.
What is the central device in star topology?
a.
STP server
b.
Hub/switch
c.
PDC
d.
Router
Answer:
Option(b)
7.
In OSI network architecture, the dialogue
control
and token management are
responsibility
of
a.
session layer
b.
network layer
c.
transport layer
d.
data link layer
Answer:
Option(a)
8.
In OSI network architecture, the routing is
performed
by
a.
network layer
b.
data link layer
c.
transport layer
d.
session layer
Answer:
Option(a)
9.
Which of the following performs
modulation
and demodulation?
a.
fiber optics
b.
satellite
c.
coaxial cable
d.
Modem
Answer:
Option(d)
10.
The process of converting analog signals
into
digital signals so they can be processed by
a
receiving computer is referred to as
a.
modulation
b.
demodulation
c.
synchronizing
d.
Digitizing
Answer:
Option(b)
11.
The protocol data unit (PDU) for the
application
layer in the Internet stack is?
COMPUTER
NETWORKS 2020-21
4 University Academy
a.
Datagram
b.
Frame
c.
Message
d.
Segment
Answer:
Option(c)
12.
Which protocol does switch use at the
layer
2 for finding MAC address?
a.
ICMP
b.
UDP
c.
ARP
d.
TCP
Answer:
Option(c)
13.
Which OSI layer adds a trailer during
encapsulation
of data?
a.
Layer 3
b.
Layer 4
c.
Layer 2
d.
Layer 5,6,7
Answer:
Option(d)
14.
Which of the following term describes
PDU
encapsulated at Transport Layer?
a.
Frame
b.
Packet
c.
Data
d.
Segment
Answer:
Option(d)
15.
Which protocol does HTTP (Hyper Text
Transfer
Protocol) - use for transferring web
pages
at the Transport layer
a.
IP
b.
UDP
c.
TCP
d.
ARP
Answer:
Option(c)
 Questions | PDF | Quiz To test your Knowledge 1000 MCQs | Geekforgeeks.in){kind=link}
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