Data Link Layer - OSI MCQs with answers Page - 2

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

  • (A) Router
  • (B) Switch
  • (C) Hub
  • (D) Gateway

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Q. What is a key role of the Data Link Layer in the OSI model?

  • (A) Establishing logical paths
  • (B) Ensuring error-free frame delivery
  • (C) Providing port numbers
  • (D) Data encryption

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Q. Which protocol helps manage flow control at the Data Link Layer?

  • (A) IP
  • (B) ARP
  • (C) PPP
  • (D) TCP

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Q. Which Data Link Layer protocol is used in Ethernet networks?

  • (A) HDLC
  • (B) PPP
  • (C) CSMA/CD
  • (D) ARP

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Q. What is the purpose of framing in the Data Link Layer?

  • (A) Encapsulating network packets
  • (B) Establishing encryption
  • (C) Dividing data into manageable pieces
  • (D) Routing data

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Q. Which protocol is commonly used for serial communication at the Data Link Layer?

  • (A) HDLC
  • (B) IP
  • (C) SMTP
  • (D) FTP

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Q. Which addressing scheme does the Data Link Layer use?

  • (A) MAC addressing
  • (B) IP addressing
  • (C) Port addressing
  • (D) URL

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Q. Which mechanism is used to prevent collisions in wireless networks at the Data Link Layer?

  • (A) CSMA/CD
  • (B) CSMA/CA
  • (C) PPP
  • (D) TCP

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Q. Which layer comes directly below the Data Link Layer in the OSI model?

  • (A) Physical Layer
  • (B) Network Layer
  • (C) Transport Layer
  • (D) Session Layer

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Q. Which protocol resolves MAC addresses from IP addresses, even though it is not part of the Data Link Layer?

  • (A) IP
  • (B) TCP
  • (C) ARP
  • (D) DNS

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