Chapter 2

Question 1

Which layer of the OSI model contains all the services or protocols that are needed by application software or the operating system to communicate on the network?

Answer 1

Application

Question 2

The encapsulation unit on the Data Link layer of the OSI Model is _____

Answer 2

Frame

Question 3

Define: Physical layer

Answer 3

all aspects of physically moving data from one computer to the next.

Question 4

_____ are used for node-to-node communications on a network. Logical address, Port address, Physical address, Socket

Answer 4

Physical Address

Question 5

Define: frame

Answer 5

The packet becomes this in the Data Link layer.

Question 6

What is the 7th Layer of the OSI Model?

Answer 6

Application

Question 7

The process of moving data from one layer of the OSI model to the next layer is called

Answer 7

encapsulation

Question 8

The Application layer of the TCP/IP Model corresponds to the blank layer(s) of the OSI model

Answer 8

Session and Presentation

Question 9

Define: frame synchronization

Answer 9

a method of finding valid data in a transmission that consists of data frames

Question 10

The primary job of the Presentation layer concerned with

Answer 10

data representation and code formatting.

Question 11

The encapsulation unit on the Presentation layer of the OSI Model is _____

Answer 11

Data

Question 12

Define: Routing

Answer 12

the ability of the various network devices to move data packets from their source to their destination.

Question 13

What is the 6th Layer of the OSI Model?

Answer 13

Presentation

Question 14

The two most important portocols on the Transport layer of the TCP/IP Model are _____and _____

Answer 14

TCP & UDP

Question 15

Define: OSI Model

Answer 15

framework and reference model to explain how different networking technologies work together and interact.

Question 16

The primary job of the Network layer is to

Answer 16

Perform routing functions and a means of transmitting data packages.

Question 17

What is the 1st Layer of the OSI Model?

Answer 17

Physical

Question 18

Define: Application layer

Answer 18

contains all the services that are needed by the application

Question 19

Define: header

Answer 19

describes what each layer should do.

Question 20

Define: LLC

Answer 20

Logical Link Control sublayer, facilitate communications between the upper Network layer and the Physical layer.

Question 21

Define: protocol

Answer 21

a set of rules to describe how a task works in a network environment

Question 22

Define: bits

Answer 22

frames converted in the Physical layer.

Question 23

Define: port address

Answer 23

a unique address inside the computer associated with a specific protocol, service, or application

Question 24

Define: MAC

Answer 24

Media Access Control sublayer, provides access control to the media just as its name implies

Question 25

The encapsulation unit on the Presentation layer of the OSI Model is \_\_\_\_\_

Answer 25

Data

Question 26

Define: de-encapsulation

Answer 26

bits become frames, frames become packets, packets become segments, segments become data.

Question 27

Define: simplex

Answer 27

one-way communications

Question 28

Define: physical address

Answer 28

MAC address

Question 29

Define: Transport layer

Answer 29

moves data to segments then sent for data transmission

Question 30

Define: encapsulation

Answer 30

the process of taking data from a previous layer of the OSI Model and carrying it forward into the next layer.

Question 31

Define: tailer

Answer 31

contains error correction information.

Question 32

The two sublayers of the Data Link layer are \_\_\_\_\_, and \_\_\_\_\_

Answer 32

LLC & MAC

Question 33

Define: TCP/IP Model

Answer 33

built around the TCP/IP protocol suite

Question 34

Define: Half-duplex

Answer 34

a device can only send or recieve

Question 35

The most important protocol on the Internet layer of the TCP/IP model is \_\_\_\_\_

Answer 35

Internet Protocol

Question 36

Define: data

Answer 36

Top three layers of the OSI Model: The Application, Presentation, and Session layers.

Question 37

Define: segment

Answer 37

Data going to the Transport layer.

Question 38

The process of moving data from one layer of the OSI model to the next layer is called

Answer 38

encapsulation

Question 39

Define: logical addresses

Answer 39

logically assigned depending on the Networking layer protocol being used

Question 40

Define: Data Link layer

Answer 40

concerned with moving data from one computer to another.

Question 41

Define: connectionless protocol

Answer 41

does not ask for verification that a data packet has reached its destination.

Question 42

Define: Network layer

Answer 42

moves data in the form of packets from one end of the network to the other.

Question 43

Which layer of the OSI Model is responsible for segmenting data and sequencing it for the rest of the OSI model

Answer 43

Transport

Question 44

The encapsulation unit on the Network layer of the OSI Model is \_\_\_\_\_

Answer 44

Packet

Question 45

What is the 5th Layer of the OSI Model?

Answer 45

Session

Question 46

What is the 2nd Layer of the OSI Model?

Answer 46

Data Link

Question 47

What is the 4th Layer of the OSI Model?

Answer 47

Transport

Question 48

Define: packet

Answer 48

The segment becomes this in the Networking layer.

Question 49

What is the 3rd Layer of the OSI Model?

Answer 49

Network

Question 50

Which layer of the OSI model is concerned with reliably getting data from one computer to another

Answer 50

Data Link

Question 51

Define: connection-oriented protocol

Answer 51

asks for verification that a data packet has reached its destination

Question 52

define: protocol suite

Answer 52

made up of a large number of protocols that allow computers to communicate

Question 53

Define: Session layer

Answer 53

manages dialog between networked devices.

Question 54

The primary function of the Physical Layer

Answer 54

Transfer the bits