Podcast
Questions and Answers
What is the responsibility of the data link layer in a computer network?
What is the responsibility of the data link layer in a computer network?
Transferring datagram from one node to the physically adjacent node over a link.
How does the data link layer pick up data at the adjacent node?
How does the data link layer pick up data at the adjacent node?
It picks up data from hardware in the form of electrical signals, assembles them in a recognizable frame format, and hands them over to the upper layer.
What is the primary function of the data-link layer in a computer network?
What is the primary function of the data-link layer in a computer network?
Framing: encapsulating packets from the network layer into frames and sending each frame bit-by-bit on the hardware.
Give an example of hardware implementation of the data link layer.
Give an example of hardware implementation of the data link layer.
What is the purpose of different link protocols in transferring datagrams?
What is the purpose of different link protocols in transferring datagrams?
What does the data link layer do with signals from the hardware at the adjacent node?
What does the data link layer do with signals from the hardware at the adjacent node?
What are the types of errors that can occur in the data unit?
What are the types of errors that can occur in the data unit?
What is the most common and least expensive mechanism for error-detection?
What is the most common and least expensive mechanism for error-detection?
What are the two sub-layers of the data link layer?
What are the two sub-layers of the data link layer?
What does the Media Access Control (MAC) sublayer of the data link layer handle?
What does the Media Access Control (MAC) sublayer of the data link layer handle?
What is the primary responsibility of the data link layer in a computer network?
What is the primary responsibility of the data link layer in a computer network?
What is the purpose of the Media Access Control (MAC) sublayer of the data link layer?
What is the purpose of the Media Access Control (MAC) sublayer of the data link layer?
How does the data link layer handle errors in data transfer?
How does the data link layer handle errors in data transfer?
What is the function of the data link layer's MAC sublayer in a computer network?
What is the function of the data link layer's MAC sublayer in a computer network?
What is the key difference between wired and wireless links in terms of the data link layer protocols deployed?
What is the key difference between wired and wireless links in terms of the data link layer protocols deployed?
What does the data link layer do with signals from the hardware at the adjacent node?
What does the data link layer do with signals from the hardware at the adjacent node?
What does the Logical Link Control (LLC) sublayer of the data link layer handle?
What does the Logical Link Control (LLC) sublayer of the data link layer handle?
Which type of error refers to two or more bits in the data unit changing from 0 to 1 or vice versa?
Which type of error refers to two or more bits in the data unit changing from 0 to 1 or vice versa?
What is the primary function of the Media Access Control (MAC) sublayer of the data link layer?
What is the primary function of the Media Access Control (MAC) sublayer of the data link layer?
Which mechanism for error detection organizes the block of bits in the form of a table?
Which mechanism for error detection organizes the block of bits in the form of a table?
What does the Cyclic Redundancy Check (CRC) provide in addition to error detection?
What does the Cyclic Redundancy Check (CRC) provide in addition to error detection?
Which error detection mechanism adds a redundant bit called a parity bit to every data unit?
Which error detection mechanism adds a redundant bit called a parity bit to every data unit?
What is assumed about hardware addresses provided by the data-link layer?
What is assumed about hardware addresses provided by the data-link layer?
What does the Data Link Layer ensure to enable machines to exchange data at the same speed?
What does the Data Link Layer ensure to enable machines to exchange data at the same speed?
What is the purpose of Error Correction in the data link layer?
What is the purpose of Error Correction in the data link layer?
What is the primary responsibility of the Logical Link Control (LLC) sublayer of the data link layer?
What is the primary responsibility of the Logical Link Control (LLC) sublayer of the data link layer?
