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WorksheetsCN - Quiz - 1
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
Which of the following types of network is used to connect devices in close proximity to an individual?
a)
Wide Area Network
b)
Personal Area Network
c)
Metropolitan Area Network
d)
Local Area Network
2.
Which of the following types of network is used to cover a small geographical area?
a)
Wide Area Network
b)
Personal Area Network
c)
Metropolitan Area Network
d)
Local Area Network
3.
Which of the following types of network is used to cover a large geographical area?
a)
Wide Area Network
b)
Personal Area Network
c)
Metropolitan Area Network
d)
Local Area Network
4.
Which of the following types of network is used to cover a city or a town?
a)
Wide Area Network
b)
Personal Area Network
c)
Metropolitan Area Network
d)
Local Area Network
5.
Which of the following types of network is used to connect millions of devices worldwide?
a)
Wide Area Network
b)
Personal Area Network
c)
Metropolitan Area Network
d)
Local Area Network
6.
Which of the following refers to the layering of protocols in a network stack?
a)
Protocol hierarchies
b)
Network architecture
c)
Network topology
d)
Network infrastructure
7.
Which of the following refers to the challenges and considerations involved in designing each layer of a protocol hierarchy?
a)
Protocol layers
b)
Design issues for the layers
c)
Protocol architecture
d)
Protocol topology
8.
Which of the following types of service establishes a dedicated communication path between two devices before transmitting data?
a)
Connection-oriented service
b)
Connectionless service
c)
Network-oriented service
d)
Packet-oriented service
9.
Which of the following types of service does not establish a dedicated communication path before transmitting data?
a)
Connection-oriented service
b)
Connectionless service
c)
Network-oriented service
d)
Packet-oriented service
10.
Which of the following refers to the basic operations performed by network protocols at each layer of the protocol hierarchy?
a)
Protocol layers
b)
Protocol architecture
c)
Service primitives
d)
Network topology
11.
What is the primary function of the physical layer?
a)
Provides logical addressing
b)
Provides error detection
c)
Provides data encryption
d)
Provides physical transmission of data
12.
Which of the following is an example of guided transmission media?
a)
Infrared transmission
b)
Light transmission
c)
Fiber optics
d)
Electromagnetic spectrum
13.
Which type of transmission media is most commonly used for long-distance communication?
a)
Twisted pairs
b)
Coaxial cable
c)
Fiber optics
d)
Infrared
14.
Which of the following is not a type of guided transmission media?
a)
Radio Waves
b)
Power lines
c)
Coaxial cable
d)
Twisted pairs
15.
Which of the following is not a type of wireless transmission?
a)
Radio transmission
b)
Infrared transmission
c)
Magnetic transmission
d)
Microwave transmission
16.
Which of the following is not a type of error-detecting code?
a)
Parity check
b)
Vertical redundancy check
c)
Longitudinal redundancy check
d)
Hamming code
17.
What is the purpose of framing in the data link layer?
a)
To provide logical addressing
b)
To provide physical transmission of data
c)
To detect and correct errors in data
d)
To separate data into manageable chunks
18.
Which of the following is a single bit error?
a)
Two bits in a row are flipped
b)
One bit is flipped
c)
Three bits in a row are flipped
d)
Four bits in a row are flipped
19.
Which of the following is a multi bit error?
a)
One bit is flipped
b)
More than one bit in the data unit have changed
c)
Three bits in a row are flipped
d)
Four bits in a row are flipped
20.
Which of the following is a burst error?
a)
One bit is flipped
b)
Two bits in a row are flipped
c)
Three bits in a row are flipped
d)
Two or more bits in the data unit have changed
21.
Which of the following is not a channel allocation method?
a)
FDM
b)
TDM
c)
PAM
d)
All of the above
22.
In TDM, time is divided into _______.
a)
Frequency bands
b)
Time slots
c)
Both a and b
d)
None of the above
23.
Channel Allocation Method/Methods:
a)
Static
b)
Dynamic
c)
Both Static and Dynamic
d)
None of the mentioned
24.
Which of the following assumptions is not made in dynamic channel allocation?
a)
Channel quality is known
b)
Channels can be assigned and unassigned
c)
All users have equal priority
d)
None of the above
25.
Which of the following is a contention-based protocol?
a)
TDMA
b)
FDMA
c)
CSMA
d)
All of the above
26.
Which of the following protocols is not a type of ALOHA?
a)
Pure Aloha
b)
Slotted Aloha
c)
CSMA/CA
d)
All of the above are types of ALOHA
27.
Which of the following CSMA protocols listens to the medium continuously?
a)
1-persistent
b)
Non-persistent
c)
P-persistent
d)
None of the above
28.
Which of the following protocols uses a token to control access to the medium?
a)
Bit-map
b)
Token passing
c)
Binary countdown
d)
None of the above
29.
Which of the following protocols is a limited contention protocol?
a)
CSMA
b)
Adaptive tree walk
c)
Token passing
d)
All of the above
30.
Which wireless LAN protocol uses collision avoidance instead of collision detection?
a)
ALOHA
b)
CSMA/CD
c)
CSMA/CA
d)
None of the above
31.
What services are provided to the Upper Layers by the Transport Layer?
a)
Reliable data transfer and flow control
b)
Data encryption and decryption
c)
Network address translation
d)
Packet routing and forwarding
32.
What are the three connection phases in the Transport Layer?
a)
Connection establishment, data transfer, and connection release
b)
Data transfer, error control, and flow control
c)
Connection establishment, error control, and flow control
d)
Data transfer, connection release, and flow control
33.
What is Transport Layer Addressing?
a)
Addressing of hosts in the same network
b)
Addressing of hosts in different networks
c)
Addressing of ports on a host
d)
Addressing of packets in a network
34.
What is Transport Layer Flow Control?
a)
A mechanism that regulates the amount of data sent by the sender to prevent the receiver from being overwhelmed
b)
A mechanism that encrypts the data transmitted between two hosts
c)
A mechanism that routes packets between different networks
d)
A mechanism that detects and corrects errors in the data transmitted between two hosts
35.
Which of the following is NOT a Transport Service Primitive?
a)
Listen
b)
Connect
c)
Receive
d)
Authenticate
36.
Which Transport Service Primitive is used to wait for incoming connection requests?
a)
Listen
b)
Connect
c)
Send
d)
Receive
37.
Which Transport Service Primitive is used to establish a connection with another host?
a)
Listen
b)
Connect
c)
Send
d)
Receive
38.
Which Transport Service Primitive is used to send data to another host?
a)
Listen
b)
Connect
c)
Send
d)
Receive
39.
Which Transport Service Primitive is used to receive data from another host?
a)
Listen
b)
Connect
c)
Send
d)
Receive
40.
Which Transport Service Primitive is used to terminate a connection with another host?
a)
Listen
b)
Connect
c)
Send
d)
Disconnect
41.
Which of the following is NOT a basic security service?
a)
Confidentiality
b)
Availability
c)
Accountability
d)
Antitheft
42.
What is the main objective of data confidentiality?
a)
To ensure that data is not altered in transit
b)
To ensure that data is available to authorized parties only
c)
To ensure that data is not lost or corrupted
d)
To ensure that data is not intercepted or disclosed to unauthorized parties
43.
What is the main objective of data integrity?
a)
To ensure that data is not altered in transit
b)
To ensure that data is available to authorized parties only
c)
To ensure that data is not lost or corrupted
d)
To ensure that data is not intercepted or disclosed to unauthorized parties
44.
What is the main objective of authenticity?
a)
To ensure that data is not altered in transit
b)
To ensure that data is available to authorized parties only
c)
To ensure that data is not lost or corrupted
d)
To ensure that data is genuine and from a trusted source
45.
Which layer of the OSI model provides security services?
a)
Application layer
b)
Transport layer
c)
Network layer
d)
Presentation layer
46.
Which of the following is NOT an example of a security attack?
a)
Malware infection
b)
Password guessing
c)
Encryption key generation
d)
Denial of service
47.
Which of the following is NOT a security service?
a)
Confidentiality
b)
Authentication
c)
Integrity
d)
Denial of service
48.
What is the main objective of non-repudiation?
a)
To ensure that data is not altered in transit
b)
To ensure that data is available to authorized parties only
c)
To ensure that actions taken with respect to data can be traced to specific users or entities
d)
To ensure that parties cannot deny having sent or received data
49.
What is the main objective of cryptography?
a)
To ensure data confidentiality
b)
To ensure data integrity
c)
To ensure data availability
d)
To ensure data authenticity
50.
What is plaintext?
a)
The original message before encryption
b)
The encrypted message
c)
The key used for encryption
d)
The algorithm used for encryption
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