NT1210
Chapter 3 Review 1. B
2. C, D
3. C
4. A, D
5. C, D
6. A
7. D
8. B
9. B
10. D
11. C
12. C
13. C
14. D
15. B
16. A, D
17. A, C
18. B, C
19. B
20. B, C, D
Key Terms
TCP/IP Networking – Computer network that uses the standards defined by the TCP/IP model.
Networking standard – Document that details information about technology related to networking.
TCP/IP model – Collection of standards related to all parts of networking.
Open networking model – Model whose standards can be read and used to create products.
Open Systems Interconnection (OSI) Model – Open networking model developed by ISO.
Encoding – Process of varying the energy signal on a link so that bits can communicate over a link.
Header – Bytes of data, defined by some standard or protocol.
Trailer – Used almost exclusively by data link layer protocols.
Leased line – A physical line between two locations, provided by a telco.
Internet Protocol (IP) – The main TCP/IP network layer protocol.
IP address – A 32 bit binary number, often written in the DDN format.
IP routing – Forwarding an IP packet from end to end through a TCP/IP network.
Frame – Refers to the data link header and trailer plus data encapsulated in between
Packet – Refers to the network layer header plus any headers that follow through the user data.

Acronyms
TCP/IP – Transmission Control Protocol/Internet Protocol
TCP – Transmission Control Protocol
HTTP – Hypertext Transfer Protocol
LAN – Local Area Network
WAN – Wide Area Network
IEEE – Institute of Electrical and Electronic Engineers
ITU – International Telecommunications Union
RFC – Request for Comments
OSI – Open systems Interconnection Model
DDN – Dotted Decimal Notation
CO – Central Office