Data Link Layer - OSI MCQs with answers Page - 10

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A

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Q. What is the purpose of the padding field in an Ethernet frame?

  • (A) To align data to a minimum size
  • (B) To store checksum values
  • (C) To identify protocol types
  • (D) To manage congestion control

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Q. Which of the following defines the smallest unit of data in the Data Link Layer?

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

A

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Q. Which sublayer of the Data Link Layer is responsible for detecting collisions on the network?

  • (A) LLC
  • (B) MAC
  • (C) Network Layer
  • (D) Transport Layer

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Q. Which error control method allows the receiver to request retransmission of lost or corrupted frames?

  • (A) Parity Check
  • (B) Stop-and-Wait ARQ
  • (C) CRC
  • (D) Checksum

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Q. In which network does the Token Passing method work to control data transmission?

  • (A) Ethernet
  • (B) Token Ring
  • (C) FDDI
  • (D) Wi-Fi

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Q. Which of the following is NOT part of a standard Ethernet frame?

  • (A) Preamble
  • (B) Source MAC Address
  • (C) Destination MAC Address
  • (D) IP Header

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Q. Which of these technologies is used to avoid collisions in wireless networks?

  • (A) CSMA/CD
  • (B) CSMA/CA
  • (C) Token Passing
  • (D) Polling

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Q. What is the function of the start frame delimiter in an Ethernet frame?

  • (A) To mark the beginning of the frame
  • (B) To detect errors
  • (C) To provide flow control
  • (D) To synchronize clocks

A

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Q. Which term describes the process of verifying that data has not been altered during transmission in the Data Link Layer?

  • (A) Framing
  • (B) Flow Control
  • (C) Error Detection
  • (D) Routing

A

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Q. What is the role of the Destination MAC Address in a frame?

  • (A) Specifies the sender's MAC address
  • (B) Identifies the receiving device on the network
  • (C) Indicates protocol type
  • (D) Performs error correction

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