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What are three functions of the upper data link sublayer in the OSI model?
identifies the network layer protocol makes the connection with the upper layers insulates network layer protocols from changes in physical equipment
What are the three functions of the upper data link sublayer in the OSI model?
recognizes streams of bits **identifies the network layer protocol **makes the connection with the upper layers identifies the source and destination applications **insulates network layer protocols from changes in physical equipment determines the source of a transmission when multiple devices are transmitting
Difference between media access control and LLC?
* MAC sublayer(802.3): defines how to transmit data on physical layer * LLC sublayer(802.2): responsible for identifying different protocol logically & encapsulate them.
What is Mac protocol?
mac protocols are medium access protocol. mac is sublayer of data link layer in osi model.it provides addressing and medium access mechanism
What Data Link sublayer manages flow control?
LLC (Logical Link Control) sublayer - The LLC provides a common interface and supplies reliability andflow control services.Hope this helps,A. York
What layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer?
The Data Link layer of the OSI model has been subdivided into the Logical Link Control (LLC) sublayer and the Media Access Control (MAC) sublayer. The LLC sublayer is responsible for providing error control and flow control, while the MAC sublayer manages access to the physical transmission medium and the addressing of devices on the network. This division allows for more efficient data handling and communication in network environments.
What are the differences between logical link control and media access control sub layers?
MAC function is framing of packets and LLC functions are protocol multiplexing, flow control, detection, and error control through a retransmission of dropped packets.LLC acts as an interface between MAC and Network Layer.The following definitions are also true:Logical Link Control (LLC). This sublayer is responsible for the data transmission between computers or devices on a network.Media Access Control (MAC). On a network, the network interface card (NIC) has an unique hardware address which identifies a computer or device. The physical address is utilized for the MAC sublayer addressing.
What is SSL with HTTP?
Hypertext Transfer Protocol Secure (HTTPS) is a combination of the Hypertext Transfer Protocol and a network security protocol. HTTP operates at the highest layer of the TCP/IP Internet reference model, the Application layer; but the security protocol operates at lower sublayer, encrypting an HTTP message prior to transmission and decrypting a message upon arrival. HTTPS has also been known as "Hypertext Transfer Protocol over Secure Socket Layer", but now HTTPS may be secured by the Transport Layer Security (TLS) instead of Secure Sockets Layer (SSL) protocol. To invoke HTTPS, one replaces "http://" with "https://" in the URI, or Web address. HTTPS connections are often used for payment transactions on the Web and for sensitive transactions in corporate information systems.
What are the sublayers of the Data Link layer are as defined in the IEEE 802 standards?
Logical link control sublayer and media access control sublayer
What are two primary responsibilities of the Ethernet MAC sublayer Choose two?
What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)
Which two statements describe features or functions of the logical link control sublayer in ethernet standerds?
The Logical Link Control (LLC) sublayer in Ethernet standards is responsible for managing communication between the network layer and the data link layer, providing identification and encapsulation for different network protocols. It enables multiple network protocols to coexist over the same physical medium by using protocol identifiers, allowing for efficient data transmission. Additionally, the LLC sublayer handles error detection and flow control, ensuring reliable communication between devices on the network.
What are two primary responsiblity of ethernet mac sublayer?
No, frame delimiting is a primary responsibility of the Logical Link Control sublayer of the Data Link Layer.. Data link layer exists of 2 sublayers; Media Acces control Sublayer (MAC) & Logical Link Control sublayer (LLC)
