Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem R1RQ
Let’s review some of the terminology used in this textbook. Recall that the name of a transport-layer packet is segment and that the name of a link-layer packet is frame. What is the name of a network-layer packet? Recall that both routers and link-layer switches are called packet switches. What is the fundamental difference between a router and link-layer switch?
Expert Solution & Answer
Program Plan Intro
Link Layer:
Link layer is the aggregation of procedures and protocols used in a link to share the data between the nodes. It includes mainly three functions namely, detection of transmission errors, regulation of data flow and provides well-structured interface.
Explanation of Solution
Description of network layer packet:
- Network layer is provides the path in which the data packets are transferred from the source to the destination.
- It also helps in converting the logical or Internet Protocol (IP) address to physical or Media Access Control (MAC) address.
- The packet related to network layer can be termed as datagram.
Differences between router and link layer switch:
| Router | Link layer switch |
|
The router process in the internet protocol is done by network layer, link layer and physical layer. In latest routers, transport layer is also included. |
The link layer switch process is done using data link layer and physical layer. |
| A router transmits the data packet using IP layer address. | A link layer transmits the data frames using MAC layer address. |
| In router, the data in transmitted in the form of packets or data packets. | In link layer switch, the data is transmitted in the form of frames or data frames. |
| It is used in Local Area Network (LAN), Wide Area Network (WAN) and Metropolitan Area Network (MAN). | It is used in LANs only. |
| In this, the data is transmitted in full duplex mode. | In this, the data is transmitted in both full duplex and half duplex modes. |
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Chapter 4 Solutions
Computer Networking: A Top-Down Approach (7th Edition)
Ch. 4 - Lets review some of the terminology used in this...Ch. 4 - Prob. R2RQCh. 4 - Prob. R3RQCh. 4 - Prob. R4RQCh. 4 - Prob. R5RQCh. 4 - Prob. R6RQCh. 4 - Prob. R7RQCh. 4 - Prob. R8RQCh. 4 - Prob. R9RQCh. 4 - Prob. R10RQ
Ch. 4 - Prob. R11RQCh. 4 - Prob. R12RQCh. 4 - Prob. R13RQCh. 4 - Prob. R14RQCh. 4 - Prob. R15RQCh. 4 - Prob. R16RQCh. 4 - Prob. R17RQCh. 4 - Prob. R18RQCh. 4 - Prob. R19RQCh. 4 - Prob. R20RQCh. 4 - Prob. R21RQCh. 4 - Prob. R22RQCh. 4 - Prob. R23RQCh. 4 - Prob. R24RQCh. 4 - Prob. R25RQCh. 4 - Prob. R26RQCh. 4 - Prob. R27RQCh. 4 - Prob. R28RQCh. 4 - Prob. R29RQCh. 4 - Prob. R30RQCh. 4 - Prob. R31RQCh. 4 - Prob. R32RQCh. 4 - Prob. R33RQCh. 4 - Prob. R34RQCh. 4 - Prob. R35RQCh. 4 - Prob. P1PCh. 4 - Prob. P2PCh. 4 - Prob. P3PCh. 4 - Consider a datagram network using 32-bit host...Ch. 4 - Consider a datagram network using 8-bit host...Ch. 4 - Consider a datagram network using 8-bit host...Ch. 4 - Prob. P8PCh. 4 - Prob. P9PCh. 4 - Prob. P10PCh. 4 - Prob. P11PCh. 4 - Prob. P12PCh. 4 - Consider sending a 2400-byte datagram into a link...Ch. 4 - Prob. P15PCh. 4 - Prob. P16PCh. 4 - Prob. P17PCh. 4 - Prob. P18PCh. 4 - Prob. P19PCh. 4 - Prob. P20PCh. 4 - Prob. P21PCh. 4 - Prob. P22P
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