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Questions and Answers
What is a MAC address?
What is a MAC address?
A MAC address is a unique identifier assigned to the network adapter or interface of a device.
Who is responsible for registering and administering MAC addresses?
Who is responsible for registering and administering MAC addresses?
IEEE Registration Authority
What does OUI stand for in the context of MAC addresses?
What does OUI stand for in the context of MAC addresses?
Organizationally Unique Identifier
What is the purpose of a MAC address in networking?
What is the purpose of a MAC address in networking?
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Why do MAC addresses change when a frame moves from one link to another?
Why do MAC addresses change when a frame moves from one link to another?
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Study Notes
Overview of Link-Layer Address
- Link-layer address is essential for the Data-link Layer in networks, facilitating communication between devices.
- This address is critical for identifying devices at the link layer, often termed as the MAC (Media Access Control) address.
MAC Address Characteristics
- Also referred to as Link Address.
- Utilized predominantly in network communications for identifying devices.
- Two primary components of a MAC address:
- Physical Address: Representation in Microsoft Windows.
- WiFi MAC Address: Specific to Android devices.
- Ether Address: Used by Macintosh systems.
Organizational Unique Identifier (OUI)
- OUI is a key segment of the MAC address assigned by the IEEE Registration Authority.
- Each manufacturer or brand receives a unique identifier to ensure no two devices share the same address.
Format of MAC Address
- MAC addresses consist of 48 bits, typically represented as 12 hexadecimal digits.
- This format allows for a substantial number of unique addresses, facilitating extensive network device identification.
Learning Outcomes
- Understand the structure and characteristics of link-layer addresses.
- Demonstrate proficiency in the link-to-link addressing process.
- Identify and differentiate between various types of link-layer MAC addresses.
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Description
Test your knowledge on Link-Layer address characteristics, link-to-link addressing, and types of Link-Layer addresses. This quiz covers the specific content from Module 3.3 in the Data Communications course at Electronics Engineering Department, Technological Institute of the Philippines.
