CS chapter 6 review*
Saturday, October 21, 2023
12:31 AM
Communications
1.Data is transferred over networks at speeds measured in bits per second(bps)
2. A_ transmission may be used to help determine whether an error has occurred during transmission.
3.Serial transmission sends 1 byte at a time.
4. Parallel transmission sends 8 bytes plus a parity bit at a time.
5. What media are used for wired communication?
Twisted- pair cable
Coaxial cable
Fiber-optic cable
6. What media are used for wireless communication?
Microwave systems
Infrared technology
Radio waves
Satellite system
Cell phones
Bluetooth technology
Wi-Fi- enabled devices
7.What hardware is used in networks?
Hub
Switch
Repeater
Router
Gateway
Bridge
8. The network topology that features one central computer is called the
Star topology
9. The network topology that features computers linked in a circular pattern is called the
Ring topology
10. The network topology that features computers linked along a line is called the
Bus topology
11.What are the types of networks?
Local area network(LAN)
Wide-area network(WAN)
Metropolitan-area network(MAN)
12. The set of rules that defines processing on a network are called Network protocols
13. A Firewall protects a network by filtering the traffic it allows.
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13. A Firewall protects a network by filtering the traffic it allows.
14. is the process of breaking up messages and routing the pieces across a
network. *****************
15.Checuksums can be used to verify that data has been downloaded correctly.
16.What are three of the most popular algorithms used to generate a checksum.
MD5
SHA-1
CRC32
17.What functions are handled by the Transmission Control Protocol (TCP)?
Breaks messages into packets
Hands them off to the IP software for delivery
Orders and reassembles the packets at their destination
18. What functions are handled by the Internet Protocol (IP)?
Software that deals with the routing of packets through the maze of interconnected networks
19. What functions are handled by the File Transfer Protocol (FTP)?
Used to transfer files to and from another computer
20.What functions are handled by the Hyper Text Transfer Protocol (HTTP)?
Allows exchange of web documents
21. is used to log onto one computer from another.
22.What are the electronic mail protocols? *************************
23.The Uniform Resource Locater (URL) was developed to help identify web pages on the internet
(details)
24.Hypertect Markup language (HTML)is the original language used to build a web page.
25.A Hyperlink allows the user to transfer between web pages.
26. Cascading style sheets(CSS) are used to describe the presentation of a web page.
27. JavaScript is a portion of code designed to dynamically contribute to the content of a web page.
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