Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 26
Q321:
Which of the following is NOT part of the addressing system in the TCP/IP protocol suite?
A. Port number
B. Destination address
C. Source address
D. Data payload
Correct Answer:
D
Chapter: 26
Q322:
Fill in the blank: Every communication in the TCP/IP protocol suite requires at least two _______.
A. Addresses
B. Ports
C. Channels
D. Nodes
Correct Answer:
A
Chapter: 26
Q323:
Which layer in the TCP/IP protocol suite is an exception to the addressing system?
A. Physical layer
B. Application layer
C. Network access layer
D. Transport layer
Correct Answer:
A
Chapter: 26
Q324:
Fill in the blank: In the TCP/IP protocol suite, the _______ layer is responsible for addressing the communication between devices.
A. Network Access
B. Transport
C. Application
D. Internet
Correct Answer:
D
Chapter: 26
Q325:
Which of the following is true about addressing in the TCP/IP protocol suite?
A. Both source and destination addresses are used
B. Only source address is used
C. Only destination address is used
D. No addressing is required
Correct Answer:
A
Chapter: 26
Q326:
What does "encapsulation" refer to in the context of Internet protocol layering?
A. Adding header information to data packets
B. Encrypting data to secure it
C. Dividing large data into smaller packets
D. Creating logical connections between networks
Correct Answer:
A
Chapter: 26
Q327:
Fill in the blank: The _______ layer in the TCP/IP model is primarily responsible for physical addressing.
A. Physical
B. Transport
C. Network
D. Application
Correct Answer:
A
Chapter: 26
Q328:
Which of the following best describes the purpose of the source address in the TCP/IP protocol suite?
A. To identify the sending device
B. To identify the network route
C. To identify the application on the device
D. To identify the receiver of the data
Correct Answer:
A
Chapter: 26
Q329:
Fill in the blank: The _______ layer in the TCP/IP protocol suite is responsible for creating the connection between sender and receiver.
A. Transport
B. Internet
C. Network Access
D. Application
Correct Answer:
A
Chapter: 26
Q330:
What is the role of the physical layer in the addressing system of the TCP/IP protocol suite?
A. It does not require addressing
B. It uses MAC addresses for communication
C. It handles both source and destination addresses
D. It provides logical addressing for routing
Correct Answer:
A
Chapter: 26
Q331:
Fill in the blank: _______ is a part of addressing that assigns a unique address to identify each device in a network.
A. MAC address
B. IP address
C. Port number
D. Host name
Correct Answer:
B
Chapter: 26
Q332:
What is the primary function of addressing in the TCP/IP protocol suite?
A. To identify devices for communication
B. To provide data encryption
C. To establish physical connections
D. To ensure data integrity
Correct Answer:
A
Chapter: 26
Q333:
Which of the following is responsible for adding the address information in each layer of the TCP/IP protocol suite?
A. Header encapsulation
B. Data encryption
C. Error checking
D. Header decapsulation
Correct Answer:
A
Chapter: 27
Q334:
When was the International Organization for Standardization (ISO) established?
A. 1945
B. 1947
C. 1950
D. 1960
Correct Answer:
B
Chapter: 27
Q335:
Which of the following is NOT true about ISO?
A. ISO was established in 1947
B. It represents all countries worldwide
C. It introduced the OSI Model in the late 1970s
D. Close to three-fourths of countries are represented
Correct Answer:
B
Chapter: 27
Q336:
Fill in the blank: The OSI Model is a _______ layer model used to standardize network communication.
A. 7-layer
B. 5-layer
C. 3-layer
D. 6-layer
Correct Answer:
A
Chapter: 27
Q337:
Which of the following layers in the OSI model is NOT included in the TCP/IP protocol suite?
A. Application Layer
B. Presentation Layer
C. Transport Layer
D. Network Layer
Correct Answer:
B
Chapter: 27
Q338:
Which of the following layers is present in the OSI model but missing in the TCP/IP protocol suite?
A. Presentation Layer
B. Transport Layer
C. Network Layer
D. Application Layer
Correct Answer:
A
Chapter: 27
Q339:
Fill in the blank: The OSI Application Layer is combined with the Presentation and Session layers in the _______ model.
A. TCP/IP
B. OSI
C. Both TCP/IP and OSI
D. None of the above
Correct Answer:
A
Chapter: 27
Q340:
Which of the following is a key difference between the OSI model and the TCP/IP model?
A. OSI model has more layers
B. OSI model does not support networking
C. TCP/IP model is a theoretical model
D. OSI model focuses on physical addresses
Correct Answer:
A