A+ Certifications- Internet Connections 220-602

Front 1

Define ISP ( internet service provider?

Back 1

A company that sells internet access to an organization. provides connection to internet & other services like server space for a compy to host a web site or store data files.

Front 2

What are the 3 types of email protocols?

Back 2

Post Office Protocol(POP) or POP3,
Internet Message Access Protocol (IMAP)
Simple Mail Transfer Protocol (SMTP)

Front 3

SMPT can be used with what e-mail protocols(2)?

Back 3

POP or IMAP

Front 4

IMAP can be used w/ what email protocols?

Back 4

SMPT

Front 5

POP can be used w/ what email protocols?

Back 5

SMPT

Front 6

Define Hpertext Markup Language (HTML)?

Back 6

used to format web pages for transfer and display in web browers such as microsoft internet explorer or Mozilla's firefox

Front 7

World Wide Web?

Back 7

collection of computers and servers that are used to store & share information oh the internet in the form of Web pages.

Front 8

List some of the internet protocols?

Back 8

TCP/IP, HTTP, S-HTTP, Telnet, FTP

Front 9

Define Secure Sockets Layer(SSL)

Back 9

A public key/ private key encryption protocol used to transmit data securlely across the internet over TCP/IP

Front 10

What do websites that require SSL begin with?

Back 10

https://, not http://

Front 11

What is Telnet used for?

Back 11

To connect to a remote server across the internet

Front 12

What is File Transfer Protocol?(FTP)

Back 12

used to transfer files to and from an FTP server over TCP/IP network.

Front 13

Define router?

Back 13

A device that connects two or more networks and directs that data traffic passing between them.

Front 14

WhatData link layer protocl is used when data packets are traveling over telephone lines?

Back 14

Point to Point protocol (PPP or SLIP

Front 15

Define Broadband?

Back 15

Any type of networking medium that carries more than one type of transmissions.

Front 16

What technology do cable modems use?

Back 16

Data over cable service interface specifications(DOCSIS)

Front 17

What type of connection does cable your home provide?

Back 17

point-to-multipoint connection

Front 18

What are types of ISP(internet service providers)connections?

Back 18

PPP, ISDN, DSL , PPoE Satellite,Wireless, Cellular, Voice over IP

Front 19

What are two types of ISDN

Back 19

BRi & PRI

Front 20

How many channels do PRI have?

Back 20

has 23 B channels, & 1 D channel

Front 21

How many channels do BRI have?

Back 21

2 B channells, 1 D channel

Front 22

Define DSL?

Back 22

a fast data transmission technology, which offers a direct connection . have own bandwith (digital)

Front 23

What is the purpose of PPPoe?

Back 23

it is used to adapts PPP to work over the internet.

Front 24

What are the 3 connection technologies for cellular?

Back 24

Enhanced DAta rates for GSM Evolution (EDGE), Evolution Data Optimized (EV-DO)
High Speed Downlink Packet Access (HSDPA)

Front 25

SMPT?

Back 25

Used to send email from an email server?

Front 26

IMAP?

Back 26

Used to Retrieve email from an email server

Front 27

POP?

Back 27

used to retriev email from an email server

Front 28

HTML?

Back 28

Used to format web pages for transfer & display in Web browers

Front 29

HTTP?

Back 29

Protocol used to make web request and download web pages over TCP/IP

Front 30

HTTPS?

Back 30

A form of HTTP connections secured thru the use of Secure Sockets Layer Protocol.

Front 31

Telnet?

Back 31

A terminal emulation protocol used over TCP/IP networks. use for remote acces

Front 32

FTP?

Back 32

Used to transfer files to and from a server over a TCP/IP network?

Front 33

List the WAN bandwith techonologies?

Back 33

T lines & E Lines
X.25 and frame relay
ATM
Mesh topology

Front 34

What is a T- Carrier?

Back 34

T- Carrier works w/ a leased digital communications line provided thru a common carrier (bellsouth)

Front 35

What are the two most common T lines?

Back 35

T1 & T3

Front 36

List the characteristics of T1

Back 36

carry 24 channels, each channel is capable of transmitting 64 kbps. can transmit a total of 1.544 mbps
If used for voice only, can support 24 separate telephone lines.

Front 37

List Characteristics of a T3 line?

Back 37

carry 672 channesl, giving it a thruput of 44.736 mbps

Front 38

What are E Lines (Ecarrier)

Back 38

is the European equavalent to T Lines.

Front 39

Define x.25 and frame relay?

Back 39

They are packet switching communication protocols designed for long distance data transmission

Front 40

define packet switching?

Back 40

technology divides data into packets and sends packets separately.

Front 41

List frame relay characteristics?

Back 41

like x.25, but digital. support thruput of upt to 1.544 mbps

Front 42

Define PVC (permanent virtual circuit)?

Back 42

a permanent connection between two nodes. < when you lease a PVC, you specify nodes and the amount of bandwith required.

Front 43

Define ATM (asynchronous Transfer Mode)

Back 43

A very fast network technolgy that can be used with LANS, WANS.- uses fixed length packets called cells to transmit data, voice, video and frame relay traffic.Each cell byte is 53 bytes. thruput of 622 mbps works well w/ fiberoptic cable, coaxial or twisted pair cable.

Front 44

Define Mesh topolgoy?

Back 44

highly reliable, provides multiple ppplinks between routers in a WAN
routers serach out multiple paths and determine the best path to take.
Offers addes security.

Front 45

What is the minimum requirement to connect to the internet using LAN?

Back 45

working network card, IP Address, subnet mask, default gateway.

Front 46

What does NAT (Network Address Transalation) do?

Back 46

uses a single public IP address to acces the internet on behalf of all hosts on the networking using other IP Addresses.

Front 47

Define Proxy server?

Back 47

When a comoputer on a network tries to access the internet, it has to go thru a server, router ,the device is standing in proxy for the other hosts that want the internet, it is called proxy server

Front 48

List characteristics of Proxy server?

Back 48

has at least 2 nic cards, one for the lan and one to access the internet.

Front 49

Define firewall?

Back 49

When a proxy server or other devices is used to protect a network by filtering traffic .

Front 50

What NAT(network Address Translation) service do Windows 200 & Windows XP offer?

Back 50

Microsoft Internet ConnectionSharing (ICS)

Front 51

list characteristics of ICS?

Back 51

two or more comoputers on a home network can access the same IP address when accessing the internet.