OSI and TCP/IP Models - Exam Prep for Competitive Exams

OSI and TCP/IP Models - Higher Difficulty Problems

Q. In the TCP/IP model, which layer corresponds to the OSI model's Network Layer?

Solution

The Internet Layer in the TCP/IP model corresponds to the Network Layer in the OSI model, handling routing and addressing.

Correct Answer: C — Internet Layer

Q. In which OSI layer does error detection and correction primarily occur?

Solution

Error detection and correction primarily occur at the Data Link Layer (Layer 2) through mechanisms like checksums and CRC.

Correct Answer: B — Data Link Layer

Q. In which OSI layer does the process of segmentation occur?

Solution

Segmentation occurs at the Transport Layer (Layer 4), where data is divided into smaller segments for transmission.

Correct Answer: B — Transport Layer

Q. What is the primary purpose of a router in a network?

Solution

The primary purpose of a router is to route packets between different networks, making decisions based on IP addresses.

Correct Answer: C — To route packets between different networks

Q. What type of addressing does IPv4 use?

Solution

IPv4 uses logical addressing, which allows devices to communicate over a network using IP addresses.

Correct Answer: B — Logical addressing

Q. Which layer of the OSI model is responsible for end-to-end communication and error recovery?

Solution

The Transport Layer (Layer 4) is responsible for end-to-end communication and error recovery, ensuring reliable data transfer.

Correct Answer: B — Transport Layer

Q. Which layer of the OSI model is responsible for logical addressing?

Solution

The Network Layer (Layer 3) is responsible for logical addressing, such as IP addresses, to route packets across networks.

Correct Answer: B — Network Layer

Q. Which protocol is used for error detection in TCP?

Solution

TCP uses a Checksum for error detection to ensure data integrity during transmission.

Correct Answer: A — Checksum

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