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Computer Skills > Internet > Flashcards

Internet Flashcards

1
Q

Internet

A

A global network of computer networks

Is WAN

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2
Q

Computer Network Classification

A

PAN, LAN, CAN (classified as LAN)

MAN, WAN (classified as WAN)

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3
Q

PAN

A

Personal Area Network
2, 3, 4 Computers in homes
WPAN: Wireless Personal Area Network
Very popular

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4
Q

LAN

A

Local Area Network
-2, 3, 4… used in business
WLAN: Wireless Local Area Network

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5
Q

CAN

A

Campus Area Network

Buildings geographically close

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6
Q

MAN

A

Municipal Area Network

Town, City

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7
Q

WAN

A

Wide Area Network

-Province, city, world

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8
Q

Special Features of Internet

A

Nobody owns it

Not tied to any particular device

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9
Q

ISP

A

Internet Service Providers

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10
Q

3 Basic internet Service Programs

A

Browsing (webpage browsing)
File Transfer
Electronic Mail (email)

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11
Q

Browsing

A

Is not Browser (Internet Browser

Browsing is an action and Browser is the tool used ex: Firefox, Chrome

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12
Q

Webpage Address

A

http://www.some-website.com/folder/subfolder/…/somewebpage.html
http:// -(scheme)
www. -(world wide web, default)
some-website -name
.com (commercial)
.net (virtual business)
.edu (education)
.org (non-profit organization)
some-website.com - Domain name (unique)

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13
Q

File Transfer

A

Client -> Server (upload)

Server -> Client (download)

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14
Q

Email vs. Snail Mail

A
  • speed, cost, convenience, ecological

- physical items

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15
Q

FTP

A

File Transfer Protocol

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16
Q

Email

A

id@some-provider.com

-Two components of email are connected by the @ sign

17
Q

Packet Switching

A

Packets travel individually and independently because they are not affected by one another or by the speed at which they travel (Speed of connection)
Comprise a file

18
Q

Email Scams

A

Protect your personal information (ID thieft)
Know who you are dealing with
Take your time
Never pay for a “free” gift

19
Q

Filter Tips: Avoiding scams

A
  1. Nigerian email scam
  2. Phishing (attempt to acquire passwords, usernames, etc.)
  3. Work at home scams
  4. Weight loss scams
  5. Foreign Lotteries
  6. Cure all products
  7. Check overpayment scams
  8. Pay-in-advance credit offers
  9. Debit relief scams, travel scams
20
Q

Viruses

A

Small program created with the intention to do harm, destroy files, annoy the user
Will attach themselves to another file infecting that given file which then infects other files
Some Viruses act up right away while others might be triggered (event, date, program)

21
Q

Vulnerable files

A 
Executable files (never accept 3rd part executable files)
Some non-executable files (ex: word documents containing macros)
22
Q

Avoid Viruses

A

Antivirus (resident program)

Computer Skills (11 decks)

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