Intro to TCP/IP Networking

Question 1

CATV

Answer 1

cable TV

Question 2

SOHO

Answer 2

small office/home office

Question 3

A networking model, sometimes also called either a ___ or ___.

Answer 3

1. networking architecture

2. networking blueprint

Question 4

A networking model, refers to a comprehensive set of ___.

Answer 4

1. documents

Question 5

Individually, each ___ describes one small function required for a network; collectively, these ___ define everything that should happen for a computer network to work.

Answer 5

1. document

2. documents

Question 6

SNA

Answer 6

Systems Network Architecture

Question 7

IBM published its Systems Network Architecture networking model in ___

Answer 7

1974

Question 8

ISO

Answer 8

The International Organization for Standardization

Question 9

OSI

Answer 9

Open Systems Interconnection networking model

Question 10

DoD

Answer 10

U.S. Department of Defense contract

Question 11

Researchers at various universities volunteered to help further develop the protocols surrounding the original DoD work. These efforts resulted in a competing open networking model called ___.

Answer 11

TCP/IP

Question 12

RFC

Answer 12

Requests For Comments

Question 13

To define a protocol, TCP/IP uses documents called ___

Answer 13

Requests For Comments

Question 14

The TCP/IP model also avoids repeating work already done by some other standards body or vendor consortium by ___

Answer 14

simply referring to standards or protocols created by those groups

Question 15

IEEE

Answer 15

Institute of Electrical and Electronic Engineers

Question 16

The TCP/IP original model is listed in ___

Answer 16

RFC 1122

Question 17

Number of layers in the original TCP/IP model

Answer 17

4

Question 18

List the layers in the original TCP/IP model (top to bottom)

Answer 18

1. Application
2. Transport
3. Internet
4. Link

Question 19

The number of layers in the updated TCP/IP model

Answer 19

5

Question 20

List the layers in the updated TCP/IP model (top to bottom)

Answer 20

1. Application
2. Transport
3. Network
4. Datalink
5. Physical

Question 21

The original TCP/IP model’s link layer has also been referred to as the ___ and ___.

Answer 21

1. network access

2. network interface layer

Question 22

The application layer does not ___ the application itself, but it ___ that applications need.

Answer 22

1. define

2. defines services

Question 23

Application layer example protocols

Answer 23

HTTP, POP3, SMTP

Question 24

Transport layer example protocols

Answer 24

TCP, UDP

Question 25

Internet layer example protocols

Answer 25

IP

Question 26

Link layer example protocols

Answer 26

Ethernet, point-to-point (PPP), T1

Question 27

HTTP

Answer 27

Hypertext Transfer Protocol

Question 28

URL

Answer 28

Uniform Resource Locators

Question 29

URI

Answer 29

Universal Resource Identifiers

Question 30

TCP

Answer 30

Transmission Control Protocol

Question 31

UDP

Answer 31

User Datagram Protocol

Question 32

To recover from errors, TCP uses the ___

Answer 32

concept of acknowledgments

Question 33

SEQ

Answer 33

sequence number

Question 34

A function called adjacent-layer interaction, which refers to the concepts of ___

Answer 34

how adjacent layers in a networking model, on the same computer, work together.

Question 35

A function called same-layer interaction.

Answer 35

When a particular layer on one computer wants to communicate with the same layer on another computer, the two computers use headers to hold the information that they want to communicate.

Question 36

TCP/IP defines two versions of IP.

Answer 36

IP version 4 (IPv4) and IP version 6 (IPv6).

Question 37

The term IP host refers to ___

Answer 37

any device, regardless of size or power, that has an IP address and connects to any TCP/IP network

Question 38

WAN

Answer 38

wide-area network

Question 39

The term encapsulation refers to the process of putting ___

Answer 39

headers (and sometimes trailers) around some data.

Question 40

OSI model has how many layers

Answer 40

7

Question 41

OSI model layers (top to bottom)

Answer 41

7. Application 6. Presentation 5. Session 4. Transport 3. Network 2. Data Link 1. Physical