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CPT-220 > Chapter 2 > Flashcards

Chapter 2 Flashcards

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1
Q

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?

A

Application

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2
Q

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

A

Frame

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3
Q

Define: Physical layer

A

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

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4
Q

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

A

Physical Address

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5
Q

Define: frame

A

The packet becomes this in the Data Link layer.

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6
Q

What is the 7th Layer of the OSI Model?

A

Application

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7
Q

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

A

encapsulation

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8
Q

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

A

Session and Presentation

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9
Q

Define: frame synchronization

A

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

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10
Q

The primary job of the Presentation layer concerned with

A

data representation and code formatting.

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11
Q

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

A

Data

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12
Q

Define: Routing

A

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

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13
Q

What is the 6th Layer of the OSI Model?

A

Presentation

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14
Q

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

A

TCP & UDP

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15
Q

Define: OSI Model

A

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

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16
Q

The primary job of the Network layer is to

A

Perform routing functions and a means of transmitting data packages.

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17
Q

What is the 1st Layer of the OSI Model?

A

Physical

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18
Q

Define: Application layer

A

contains all the services that are needed by the application

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19
Q

Define: header

A

describes what each layer should do.

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20
Q

Define: LLC

A

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

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21
Q

Define: protocol

A

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

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22
Q

Define: bits

A

frames converted in the Physical layer.

23
Q

Define: port address

A

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

24
Q

Define: MAC

A

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

25
Q

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

A

Data

26
Q

Define: de-encapsulation

A

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

27
Q

Define: simplex

A

one-way communications

28
Q

Define: physical address

A

MAC address

29
Q

Define: Transport layer

A

moves data to segments then sent for data transmission

30
Q

Define: encapsulation

A

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

31
Q

Define: tailer

A

contains error correction information.

32
Q

The two sublayers of the Data Link layer are _____, and _____

A

LLC & MAC

33
Q

Define: TCP/IP Model

A

built around the TCP/IP protocol suite

34
Q

Define: Half-duplex

A

a device can only send or recieve

35
Q

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

A

Internet Protocol

36
Q

Define: data

A

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

37
Q

Define: segment

A

Data going to the Transport layer.

38
Q

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

A

encapsulation

39
Q

Define: logical addresses

A

logically assigned depending on the Networking layer protocol being used

40
Q

Define: Data Link layer

A

concerned with moving data from one computer to another.

41
Q

Define: connectionless protocol

A

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

42
Q

Define: Network layer

A

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

43
Q

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

A

Transport

44
Q

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

A

Packet

45
Q

What is the 5th Layer of the OSI Model?

A

Session

46
Q

What is the 2nd Layer of the OSI Model?

A

Data Link

47
Q

What is the 4th Layer of the OSI Model?

A

Transport

48
Q

Define: packet

A

The segment becomes this in the Networking layer.

49
Q

What is the 3rd Layer of the OSI Model?

A

Network

50
Q

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

A

Data Link

51
Q

Define: connection-oriented protocol

A

asks for verification that a data packet has reached its destination

52
Q

define: protocol suite

A

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

53
Q

Define: Session layer

A

manages dialog between networked devices.

54
Q

The primary function of the Physical Layer

A

Transfer the bits

CPT-220 (8 decks)

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