1. Choose the correct meaning of the Greek word
‘tele’ in
context of telecommunication.
A. Near
B. Far
C. Never
D. Always
2. Find the correct term used for the standards
that have
been legislated by an officially
recognized body.
A. De jure
B. De facto
C. User standards
D. Channel standards
3. Which agency developed standards for
physical
connection interfaces and electronic
signaling
specifications?
A. ISO
B. ITU
C. ANSI
D. EIA
4. Find full form of ANSI.
A. American Network Signal Institute
B. American National Signal Institute
C. American National Standards Institute
D. American Network Standards Institute
5. Select the correct option to complete the
following
statement.
The __________ defines the
characteristics of the
interface between the devices and the
transmission
medium.
A. Transport layer
B. Physical layer
C. Session layer
D. Presentation
6. Find the correct option for the following
statement.
The completion of one full pattern by
analog signal
wave is called a __________.
A. phase
B. time
C. cycle
D. range
7. Which of the following is a guided media?
A. STP cable
B. Wi-Fi
C. Bluetooth
D. Geostationary Satellite
8. Which of the following is not a
transmission
impairment?
A. Attenuation
B. Propagation
C. Distortion
D. Noise
9. Find the correct option to complete the
following
statement.
________ means that the signal changes
its form or
shape.
A. Propagation
B. Noise
C. Attenuation
D. Distortion
10. Find the correct option to complete the
following
statement.
_________ refers to the speed of bit
transmission in a
channel or link.
A. Bandwidth in Hertz
B. Bandwidth in Watts
C. Bandwidth in bits per second
D. Both A and C
11.
Find the correct technique that allows the
simultaneous transmission of multiple
signals across a
single data link.
A. Demultiplexing
B. Multiplexing
C. duplexing
D. miniplexing
12. Which of the following technology was/were
adopted
by
telephone companies initially?
A. Circuit switching
B. Message Switching
C. Packet Switching
D. Both B and C
13. Which of the following switching
technique(s) talk
About
datagram network?
A. Circuit switching
B. Message Switching
C. Packet Switching
D. Both A and B
14. Which of the following is a bit oriented
protocol used
at data link layer?
A. HDLC
B. BSC
C. ICMP
D. POP
15. Which of the following is a character oriented
protocol
used at data link layer?
A. HDLC
B. BSC
C. ICMP
D. POP
16. Which of the following is created at network
layer?
A. Segments
B. Frames
C. Packets
D. Message
17. Find the layer of OSI model at which repeaters
work.
A. Network
B. Transport
C. Session
D. Physical
18. Find the device used to regenerate a signal.
A. Repeater
B. Router
C. Amplifier
D. Gateways
19. Find the device that is used to decide the
path for the
packet it receives.
A. Repeater
B. Router
C. Amplifier
D. Hubs
20. Find the correct option to complete the
following
statement.
When a simple or learning bridge
connects more than
two network segments it is called a
_______ bridge.
A. multiple
B. multi-port
C. uni-port
D. twin-port
21. Which of the following is an Application
layer
protocol?
A. FTP
B. ICMP
C. BGP
D. ARP
22.
Which of the following is not an Application layer
protocol?
A.
FTP
B.
SMTP
C.
Telnet
D.
IGMP
23. Which of the following layer is responsible
for
encryption of the message?
A. Physical
B. Presentation
C. Session
D. Network
24. Find the correct abbreviation of DNS.
A. Dynamic Name System
B. Dynamic Network System
C. Domain Name System
D. Domain Network System
25. Find the correct abbreviation of HTTP.
A. Hypertext Transfer Protocol
B. Hypertest Transfer Protocol
C. Highertext Transfer Protocol
D. Highertest Transfer Protocol
26. Indicate the correct option to complete the
following
statement.
An unauthorized user is a network’s_______
issue.
A. Performance
B. Reliability
C. Security
D. Delivery
27. Indicate the topology in which nodes are
connected to
the
main cable by drop lines and taps.
A. Star
B. Bus
C. Mesh
D. Root
28. Indicate the network system used to connect
systems
located in different countries.
A. LAN
B. MAN
C. PAN
D. WAN
29. Indicate the correct option to complete the
following
statement in context of protocol.
___________ refers to the meaning of
each section of
bits.
A. Semantics
B. Syntax
C. Timing
D. Medium
30. Indicate the correct option to complete the
following
statement.
A ________ defines what is
communicated, how it is
communicated, and when it is
communicated.
A. Channel
B. Protocol
C. Connection
D. Topology
31. Indicate the correct option to complete the
following
statement.
____________ signals can have an
infinite number of
values in a range.
A. Discrete
B. Digital
C. Analog
D. Semi-discrete
32. Indicate the transmission media which
transmits
signals with highest speed to long
distance.
A. STP cable
B. UTP cable
C. Coaxial cable
D. Fibre Optic cable
33. Indicate the correct option to complete the
following
statement.
The ________ capacity gives us the
upper limit; the
________ formula tells us how many
signal levels we
need.
A. Shannon, Nyquist
B. Nyquist, Shannon
C. Nyquist, William
D. William, Shannon
34. Indicate the correct option to complete the
following
statement.
The concept of ____________ is used to
transmit the
signal through fiber optic cable.
A. total internal reflection
B. total external reflection
C. partial internal reflection
D. partial external reflection
35. Indicate the correct option to complete the
following
statement.
The propagation time of a signal is
calculated by
dividing the _________ by the
__________.
A. propagation speed, distance
B. distance, propagation speed
C. time, distance
D. time, speed
36. Indicate the multiplexing technique(s) used
with digital
signals.
A. Frequency division multiplexing
B. Wavelength division multiplexing
C. Time division multiplexing
D. All of the above
37. Indicate the multiplexing technique(s) in
which signal
propagates in the form of light.
A. Frequency division multiplexing
B. Wavelength division multiplexing
C. Time division multiplexing
D. All of the above
38. Indicate the option which is not a work of
LCP under
Point-to-Point protocol.
A. Link establishment
B. Link configuration
C. Link testing
D. User Authentication
39. Indicate the authentication protocol used in
Point-to-
Point protocol.
A. NCP
B. PAP
C. POP
D. ICMP
40. Indicate the number of phases in circuit
switching.
A. 1
B. 2
C. 3
D. 4
41. Indicate the correct option to complete the
following
statement.
A
repeaters is a device that cannot connect LAN of
_______ .
A. same protocol
B. different protocols
C. protocols of data link layer
D. protocols of presentation layer
42. Indicate the correct option to complete the
following
statement.
The table of the ________ normally contains addresses
belonging to multiple protocols.
A. single router
B. multiple router
C. multiprotocol router
D. binary router
43. Indicate the correct option to completer the
following
statement.
In an open loop_______ polices are
applied to prevent
overcrowding of packets before it
happens.
A. Congestion control
B. Transportation
C. Routing
D. Framing
44. Indicate from the following that creates its
table to
send a frame to different LANs.
A. Switch
B. Hub
C. Repeater
D. Learning Bridge
45. Indicate the example of three layer switch .
A. Hub
B. Router
C. Repeater
D. Bridge
46. Indicate the layer to which data is sent by
Transport
layer after receiving from different
applications and
compiling.
A. Session layer
B. Presentation layer
C. Data link layer
D. Network layer
47. Indicate the correct option to complete the
following
statement.
The transport layer ensures ________
reliable data
transmission.
A.
end-to-end
B.
hop-to-hop
C.
hop-to-end
D.
end-to-hop
48. Indicate the correct option which is used at
transport
layer
to access a service.
A. Channel
B. Port
C. Subnet
D. Protocol
49. Indicate the correct option to complete the
following
statement.
The session layer allows ___ systems to
enter into a
dialog.
A. two
B. three
C. four
D. five
50. Indicate the correct option to complete the
following
statement.
The session layer _____ and _____the
interaction
between communication network.
A. Frames and packets
B. data and information
C. maintains and synchronize
D. packets and segments
51. Identify the work of Session layer.
A. Translation
B. Encryption
C. Dialog Control
D. Compression
52. Select the correct option to complete the
following
statement:
A television broadcast is a good
example of _______
transmission.
A. Automatic
B. Half-duplex
C. Full-duplex
D. Simplex
53. Identify the protocol used at Data Link
layer.
A. SMTP
B. HDLC
C. FTP
D. POP
54. Identify the odd one in context of works
accomplished
by Transport layer.
A. Logical Addressing
B. Segmentation and reassembly
C. Error Control
D. Flow Control
55.Identify the
correct network, if I connect my cell phone
to
my head phone.
A. LAN
B. WAN
C. PAN
D. MAN
56. Identify an example of unguided media.
A. UTP
B. STP
C. Wi-Fi
D. Copper cable
57. Calculate the value of SNR and SNR dB for
noiseless
channel and choose the correct option.
A. ∞, ∞
B. 0, 0
C. ∞, 0
D. 0, ∞
58. Calculate gain of power in dB and choose the
correct
option, if a signal travels through an
amplifier and its
power is increased 10 times.
A. 1dB
B. 0.1dB
C. 100dB
D. 10dB
59. Calculate SNR and choose the correct option,
if the
power of a signal is 10 mW and the power of
the noise
is 1 µW.
A. 1000
B. 10000
C. 100
D. 100000
60. Calculate Capacity of the channel and choose
the
correct option, if signal-to-noise ratio is
zero.
A. 0
B. 1
C. 10
D. ∞
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