EBK COMPUTER NETWORKING
EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 6, Problem R10RQ
Program Plan Intro

MAC address:

  • It is called as Media Access Control address.
  • It is a unique number used to build communication at the link layer. MAC address is assigned to a Network Interface Controller (NIC).
  • It is also used as a network address.
  • The size of a MAC address space is 48 bits (248 in size).

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32 Suppose nodes P, Q, and R each attached to the same broadcast LAN (through their adapters). If Q sends thousands of IP datagrams to R with each encapsulating frame addressed to the MAC address of R, what is reaction of P's adapter for all the frames Will not Process all the frames. Process all the frames and will not pass IP datagrams in these frames to it's network layer. First frame is processed and all the subsequent frames are not processed at all. Process all the frames and pass IP datagrams in these frames to it's network layer.
Suppose there is exactly one network device X between a sending host (host A) and a receiving host (host B), as shown below. The transmission rate (bandwidth) between the host A and the network device X is R bps (bits per second), and the bandwidth between the network device X and the host B is R bps. The network device uses store-and-forward packet switching. When the host A sends a packet of length L bits to the host B, how much is the end-to-end delay? (Ignore queuing delay, propagation delay and processing delay)       Select one: a. L/R b. L*R + L*R c. L/R + L/R d. L*R
Suppose nodes A, B, and C each attach to the same broadcast LAN (through their adapters). If A sends thousands of IP datagrams to B with each encapsulating frame addressed to the MAC address of B, will C's adapter process these frames? If so, will C's adapter pass the IP datagrams in these frames to the network layer C? How would your answers change if A sends frames with the MAC broadcast address?
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