Network+ Guide to Networks (MindTap Course List)
8th Edition
ISBN: 9781337569330
Author: Jill West, Tamara Dean, Jean Andrews
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 4, Problem 1RQ
Program Description Answer
The Transmission Control Protocol (TCP) header is Layer 4 device that is used to read and process.
Hence, the correct answer is option “B”.
Expert Solution & Answer
Explanation of Solution
TCP:
- TCP is an internet protocol used for exchanging of data between the sender and the receiver. It is a secured protocol for transferring the data.
- When the sender sends data to the receiver, he/she waits for the acknowledgement from the receiver.
- If acknowledgement is received then the next data packet will be sent and the process continues till all the data packets are sent.
- If acknowledgement is not received then the receiver is assumed as hacker or intruder and the connection will be removed.
Explanation for incorrect options:
IP:
Internet protocol is a process or protocol in which data is transferred between the computer systems through internet. Each computer system has its own IP address to send or receive the required data.
Hence, the option “A” is wrong.
ARP:
- Address Resolution Protocol (ARP) is a significant protocol that holds the TCP/IP networks.
- ARP receives an IP address from IP datagram and converts it into the suitable medium access control (MAC) layer address for distribution on a Local Area Network (LAN).
Hence, the option “C” is wrong.
HTTP:
- The web application uses Hyper Text Transfer Protocol (HTTP) as application layer protocol.
- HTTP is an application protocol for distributive, collaborative, and hypermedia
information systems.
Hence, the option “D” is wrong.
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A major Saudi book retailer is planning to develop a computer system to handle the store’s new online bookshop: BookShop.com. You have been chosen to do the analysis and design. As part of the development of the system, perform the following tasks:
1.Write Expanded Use Cases for buying a book from the shop using a credit card.
2.Draw an Expanded Use Case for the following interactions:
•Buying a book from the shop using a credit card.
•Checking the status of one’s orders (being filled, shipped, etc.)
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Actors: Customer
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Chapter 4 Solutions
Network+ Guide to Networks (MindTap Course List)
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