12 Questions
What is the purpose of the frame header in a LAN technology standard?
To provide address and other identifying information
What is the primary issue with broadcast frames in a network?
They consume computational resources and interrupt the CPU.
What is the main difference between explicit and implicit frame types?
The way the identifying value is included in the frame
What is the purpose of multicasting in a network?
To reduce CPU time waste by restricting frame delivery.
What is the purpose of the CRC field in the Ethernet frame format?
To provide a 32-bit CRC code for error detection
What determines which frames are accepted by interface hardware in multicasting?
The multicast address programmed into the interface hardware.
What is the purpose of the preamble in the Ethernet frame format?
To provide receiver synchronization
What is the benefit of multicasting for computers not running a particular application?
They do not waste resources processing unnecessary frames.
What is the purpose of encoding the data type in a frame?
To ensure interoperability and universally agree upon the format
What is required for the destination to interpret frame data?
Some clue about how to interpret the frame data.
What is the purpose of the LLC portion in the SNAP/LLC format?
To indicate the SNAP field to follow
What type of frames does interface hardware accept in multicasting?
Multicast frames, broadcast frames, and frames destined to the station itself.
Learn about the issues with broadcast frames in computer networks, how they affect CPU time and memory, and how multicasting provides a solution. Identify the problems and understand the role of system software in deciding what to do with received frames.
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