What does LLC mean in CYBER & SECURITY
LLC is a data link layer protocol that provides a logical interface between the network layer and the media access control (MAC) layer. It is responsible for framing data and providing error control. LLC is used in both wired and wireless networks.
LLC meaning in Cyber & Security in Computing
LLC mostly used in an acronym Cyber & Security in Category Computing that means Logical Link Control
Shorthand: LLC,
Full Form: Logical Link Control
For more information of "Logical Link Control", see the section below.
- LLC stands for Logical Link Control and plays a crucial role in data transmission by establishing and maintaining connections between devices on a network.
- It operates at the data link layer of the OSI model and is responsible for ensuring reliable data exchange over unreliable physical media like Ethernet or wireless networks.
Functions of LLC
- Frame Encapsulation: LLC adds a header to data frames, which includes information such as the destination and source addresses.
- Flow Control: Manages the flow of data between devices to prevent network congestion and data loss.
- Error Detection and Correction: Uses checksum mechanisms to detect and correct transmission errors.
- Connection Establishment and Termination: Initiates and terminates connections between devices.
Types of LLC Protocols
- Type 1: Connectionless service with no error recovery or flow control.
- Type 2: Connection-oriented service with flow control and error recovery.
- Type 3: Connectionless service with optional error recovery.
LLC in Networking
- LLC is an essential component of Ethernet networks and is commonly used in TCP/IP, NetWare, and other network protocols.
- It enables interoperability between different devices and operating systems.
Essential Questions and Answers on Logical Link Control in "COMPUTING»SECURITY"
What is LLC (Logical Link Control)?
What are the functions of LLC?
The main functions of LLC are:
- Framing data into logical units
- Providing error control through sequence numbering and acknowledgments
- Multiplexing multiple logical links over a single physical link
What are the different types of LLC?
There are two main types of LLC:
- Type 1 LLC: This type of LLC is connectionless and does not provide any flow control.
- Type 2 LLC: This type of LLC is connection-oriented and provides flow control.
What is the difference between LLC and MAC?
LLC is a logical layer protocol, while MAC is a physical layer protocol. LLC is responsible for framing data and providing error control, while MAC is responsible for transmitting and receiving data over the physical medium.
What are the benefits of using LLC?
The benefits of using LLC include:
- Improved reliability by providing error control
- Increased efficiency by framing data into logical units
- Reduced complexity by providing a logical interface between the network layer and the MAC layer
Final Words: Logical Link Control (LLC) is a vital networking technology that ensures reliable data transmission by creating and managing connections between devices. Its functions include frame encapsulation, flow control, error detection, and connection establishment, making it an indispensable part of modern networking infrastructure.
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