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1 Computer Networking MCQs

What is used at the Transport Layer to uniquely identify applications on a host?

  • IP Address
  • MAC Address
  • Port Number
  • DNS Name
0 Comments
Correct Answer: C. Port Number

Explanation: The Transport Layer uses a unique number called a Port Number to identify applications on ... Read More Details

2 Computer Networking MCQs

Which mechanism does the Transport Layer use to prevent data overflow at the receiver’s end?

  • Routing
  • Buffering
  • Flow control
  • CRC
0 Comments
Correct Answer: C. Flow control

Explanation: The Transport Layer uses a technique called flow control to prevent the receiver from getting ... Read More Details

3 Computer Networking MCQs

What is a key feature of UDP in the Transport Layer?

  • Reliable delivery
  • Acknowledgments
  • Low overhead and no connection
  • Sequence numbers
0 Comments
Correct Answer: C. Low overhead and no connection

Explanation: UDP (User Datagram Protocol) is a key protocol in the Transport Layer of the OSI ... Read More Details

4 Computer Networking MCQs

Which two protocols operate at the Transport Layer?

  • IP and ICMP
  • TCP and UDP
  • ARP and RARP
  • HTTP and HTTPS
0 Comments
Correct Answer: B. TCP and UDP

Explanation: At the Transport Layer of the OSI model, the two most widely used protocols are ... Read More Details

5 Computer Networking MCQs

What is the function of TCP in the Transport Layer?

  • Provides connectionless communication
  • Provides unreliable transmission
  • Provides reliable, connection-oriented communication
  • Converts IP to MAC address
0 Comments
Correct Answer: C. Provides reliable, connection-oriented communication

Explanation: TCP (Transmission Control Protocol) is a key protocol at the Transport Layer of the OSI ... Read More Details

6 Computer Networking MCQs

What is the data unit called at the Transport Layer?

  • Segment
  • Packet
  • Frame
  • Bit
0 Comments
Correct Answer: A. Segment

Explanation: At the Transport Layer of the OSI model, the data unit is called a Segment.

A ... Read More Details

7 Computer Networking MCQs

What is the main responsibility of the Transport Layer?

  • Physical signal transmission
  • Error correction on frames
  • Reliable data delivery and flow control
  • Routing of packets
0 Comments
Correct Answer: C. Reliable data delivery and flow control

Explanation:

The Transport Layer (Layer 4 of the OSI model) is mainly responsible for reliable data ... Read More Details

8 Computer Networking MCQs

In the OSI model, which layer determines the best logical path for data delivery?

  • Data Link Layer
  • Transport Layer
  • Session Layer
  • Network Layer
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Correct Answer: D. Network Layer

Explanation: In the OSI model, the Network Layer is responsible for selecting the best logical path ... Read More Details

9 Computer Networking MCQs

What type of routing is based on pre-defined paths in routers?

  • Dynamic Routing
  • Static Routing
  • Distance Vector Routing
  • Link State Routing
0 Comments
Correct Answer: B. Static Routing

Explanation: Static Routing is a type of routing where paths are manually set up and configured ... Read More Details

10 Computer Networking MCQs

Which protocol is responsible for reporting errors and diagnostics in the Network Layer?

  • ICMP
  • UDP
  • FTP
  • TCP
0 Comments
Correct Answer: A. ICMP

Explanation:

The protocol responsible for reporting errors and diagnostics in the Network Layer is ICMP (Internet ... Read More Details