Terms

Question 1

EMI

Answer 1

Electromagnetic Interference

Question 2

RAS

Answer 2

Remote Access Server

Question 3

LAN

Answer 3

Local Area network

Question 4

WAN

Answer 4

Wide Area Network

Question 5

MAN

Answer 5

Metropolitan Area Network

Question 6

SAN

Answer 6

Storage Area Network

Question 7

NOS

Answer 7

Network Operating System

Question 8

NIC

Answer 8

Network Interface Cards

Question 9

VPN

Answer 9

Virtual Private Network

Question 10

ISO

Answer 10

International Organization for Standardization

Question 11

OSI

Answer 11

Open System Interconnection

Question 12

TCP/IP

Answer 12

Transmission Control Protocol/ Internet Protocol (Internet language or protocol)

Question 13

SNA

Answer 13

System Network Architecture

Question 14

DECNET

Answer 14

Digital Equipment Corporations Networking Model

Question 15

Application Layer (7)

Answer 15

Where communications begin and end. Type of communications; ex: email Does not include standard application, only web and network applications.

Question 16

Presentation Layer (6)

Answer 16

Encryption, compression, coding, formatting, file extensions. (Syntax Conversion) Translates application protocol to network protocol and network into application. Might compress and decompress as well as encrypt data.

Question 17

Session Layer (5)

Answer 17

Transmission control and order. Sets up and tears down the call. Makes connection between applications to allow large amounts of data to be transferred, used in games a lot. Recovers connection and organizes received packets.

Question 18

Transport Layer (4)

Answer 18

Ensures source to destination delivery/ makes sure it gets there. Data segments and flow control. Communication for the Session Layer. (Connection Oriented)

Question 19

Network Layer (3)

Answer 19

Routes data packets using IP addresses. Uses best path selection.

Question 20

Data Link Layer (2)

Answer 20

Transmits frames using MAC addresses. (Media Access)

Question 21

Physical Layer (1)

Answer 21

Converts bits to electronic/ optical pulses. Transmits to destination device.

Question 22

Protocol

Answer 22

A defined method for communicating between systems. (common computer language)

Question 23

All people seem to need data processing

Answer 23

Application. Presentation. Session. Transportation. Network. Data link. Physical.

Question 24

Please do not throw sausage pizza away.

Answer 24

Physical/ Data Link/ Network/ Transportation/ Session/ Presentation/ Application.

Question 25

CRC

Answer 25

Cyclic Redundancy Check

Question 26

568B

Answer 26

Wiring standard

Question 27

MAC

Answer 27

Media Access Control
48 bit, 12 digit hex number unique on ever network card.
Used by data link layer (2)

Question 28

LLC

Answer 28

Logical Link Control
Defines how data is packed for the network.
Used by Data Link Layer (2)

Question 29

IEEE

Answer 29

Institute of Electrical and Electronics Engineers

Question 30

BIA

Answer 30

Burned in Address

Question 31

CSMA/CD

Answer 31

Carrier Sense Multiple Access with Collision Detection

Question 32

Logical Address

Answer 32

A unique address (assigned or changed by network) used by router to forward the packets to the correct network.

Question 33

ACK

Answer 33

Acknowledged that data has been sent.

Question 34

MTU

Answer 34

Maximum Transmission Unit

Question 35

SQL

Answer 35

Structured Query Language

Question 36

RPC

Answer 36

Remote Procedure CAll

Question 37

SMTP

Answer 37

Simple Mail Transfer Protocol

Question 38

PDU

Answer 38

Protocol Data Unit

(Also known as a header or trailer) Info sent from one later to the same layer on another computer.

Question 39

Data Encapsulation

Answer 39

The addition of Headers and Trailers to the file for sending across the network. (The address)

Question 40

Peer Connection

Answer 40

Info set from one layer to the same layer on the receiving computer.

Question 41

Upper Layers

Answer 41

Layers 5,6 and 7