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Course overview

Data Link

Framing, link control, discovery, and reliability mechanisms between directly connected nodes.

12 lessonsIntermediate1 h
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Course lessons

Follow this path using the existing Teleinf Edu article library.

12 lessons
  1. 01Lesson 1Data Link Layer Basics | Teleinf EduError detection, flow control, and medium access control at Layer 2.2 min read
  2. 02Lesson 2HDLC Protocol | Teleinf EduHigh-Level Data Link Control frame structure, commands, and operation modes.2 min read
  3. 03Lesson 3Point-to-Point Protocol (PPP) | Teleinf EduPPP frame format, authentication methods, and network control protocols.2 min read
  4. 04Lesson 4Frame Relay | Teleinf EduPacket-switched WAN technology with virtual circuits and congestion control.2 min read
  5. 05Lesson 5Link Control Protocols | Teleinf EduLLC, LAPB, LAPD and other data link control mechanisms.2 min read
  6. 06Lesson 6Logical Link Control (LLC) | Teleinf EduIEEE 802.2 standard providing interface between MAC layer and network protocols.2 min read
  7. 07Lesson 7Bridge Protocols and BPDUs | Teleinf EduSpanning Tree Protocol messages and bridge communication mechanisms.2 min read
  8. 08Lesson 8Link Layer Discovery Protocol (LLDP) | Teleinf EduIEEE 802.1AB protocol for network topology discovery and device information exchange.2 min read
  9. 09Lesson 9Data Link Security | Teleinf Edu802.1X authentication, MAC address security, and Layer 2 protection mechanisms.2 min read
  10. 10Lesson 10Flow Control Mechanisms | Teleinf EduManaging data transmission rate between sender and receiver at Layer 2.2 min read
  11. 11Lesson 11Sliding Window Protocols | Teleinf EduGo-Back-N and Selective Repeat protocols for reliable data transmission.2 min read
  12. 12Lesson 12Stop-and-Wait Protocol | Teleinf EduSimple acknowledgment-based flow control mechanism with timeout and retransmission.2 min read

Course quizzes

Pass the assigned quiz to finish the course progress.

1
  1. 01QuizPacket networks: Data linkPractice Layer 2 framing, link control, discovery, bridge protocols, security, and reliability mechanisms.Premium