Data Link Layer - OSI MCQs with answers Page - 1

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A

Admin • 802.91K Points
Coach

Q. Which of the following is a primary function of the Data Link Layer?

  • (A) Routing data between networks
  • (B) Error detection and correction
  • (C) IP addressing
  • (D) Encryption

A

Admin • 802.91K Points
Coach

Q. Which protocol operates at the Data Link Layer?

  • (A) IP
  • (B) TCP
  • (C) Ethernet
  • (D) HTTP

A

Admin • 802.91K Points
Coach

Q. What is the data unit of the Data Link Layer called?

  • (A) Packet
  • (B) Frame
  • (C) Segment
  • (D) Bit

A

Admin • 802.91K Points
Coach

Q. Which addressing method is used at the Data Link Layer?

  • (A) IP address
  • (B) MAC address
  • (C) Port number
  • (D) Domain name

A

Admin • 802.91K Points
Coach

Q. Which of the following is NOT a sublayer of the Data Link Layer?

  • (A) MAC (Media Access Control)
  • (B) LLC (Logical Link Control)
  • (C) Physical Control
  • (D) None of the above

A

Admin • 802.91K Points
Coach

Q. Which technique is used by the Data Link Layer to avoid data collisions?

  • (A) CSMA/CD
  • (B) Routing
  • (C) IP Filtering
  • (D) Encryption

A

Admin • 802.91K Points
Coach

Q. Which Data Link Layer protocol is primarily used in WAN environments?

  • (A) Ethernet
  • (B) PPP
  • (C) IP
  • (D) UDP

A

Admin • 802.91K Points
Coach

Q. Which of the following tasks is NOT performed by the Data Link Layer?

  • (A) Framing
  • (B) Flow control
  • (C) Routing
  • (D) Error detection

A

Admin • 802.91K Points
Coach

Q. What is the main purpose of the LLC sublayer in the Data Link Layer?

  • (A) IP Addressing
  • (B) Framing
  • (C) Multiplexing protocols
  • (D) Physical signaling

A

Admin • 802.91K Points
Coach

Q. Which error detection method is commonly used at the Data Link Layer?

  • (A) Parity Check
  • (B) CRC (Cyclic Redundancy Check)
  • (C) Checksum
  • (D) Hashing

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