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EECS 1520 > Web Pages > Flashcards

Web Pages Flashcards

1
Q

Where was www invented? When? By who?

A

At CERN, near Geneva, Switzerland

1989

Tim Berners -Lee

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2
Q

What is the client server model?

A

The interaction of networked computers, clients request info and servers respond with info

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3
Q

What does HTTP stand for?

A

Hyper text transfer protocol

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4
Q

What is http?

A

Method of requesting and transmitting web pages, done by sending http requests and http responses

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5
Q

When was google chrome made? What about internet explorer? Safari? Edge?

A

2008

1995

2003

2016

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6
Q

Who created mosaic? What was it the first of?

A

Students at u. Illinois

GUI browser

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7
Q

What are web analytics?

A

Collection and analysis of data regarding website usage

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8
Q

What does HTML stand for?

A

Hyper text markup language

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9
Q

What are tags in html? What do they look like? What does an open vs closing tag look like?

A

Specify content characteristics

<tag>

</tag>

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10
Q

What is WYSIWYG software?

A

What you see is what you get is any kind of software when the content in the editor resembles its final form

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11
Q

Is html WYSIWYG?

A

No

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12
Q

What does <html> </html> tags define?

A

Outlines the html document

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13
Q

What does the tag <head> </head> define?

A

Contains info that is important to the document like author or keywords

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14
Q

What is the <p> </p> tag?

A

Text inside should be treated like a second paragraph

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15
Q

What is the <br></br> tag?

A

Line break

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16
Q

What is the tag for ordered vs unordered lists?

A

<ol> </ol>

VS <ul> </ul>

17
Q

What tag is unused to anchor a hyper text link?

A

<a> </a>

18
Q

What does css stand for?

A

Cascading style sheets

19
Q

What is inline CSS for?

A

Apply a unique style to one html element

20
Q

What are security risks on the client site?

A

Phishing (users are persuaded to give info), malware (viruses, worm, Trojan)

21
Q

What are viruses?

A

Can corrupt, delete, or steal data, spread by attaching itself to other files shared between computers, remains dormant until infected file is run or opened

22
Q

What is a worm?

A

Does not attach itself to file to spread, replicates itself autonomously, does not damage system but consumes resources

23
Q

What is a Trojan?

A

Poses as a legitimate software but hides a nefarious purpose

24
Q

What are examples of Trojans?

A

RAT: broadcasts images from webcams,

key logger: capture and transfer typed data

back door: provide remote access,

ransomware: encrypt data to extort money

25
Q

What are security risks for servers?

A

Denial of service (DoS) attack, distributed denial of service (DDoS) attack,

26
Q

What is a DoS attack?

A

Client repeatedly requests a connection but does not complete it, server cannot handle genuine requests

Can be mitigated by blocking requests from certain ip addresses

27
Q

What is a DDoS attack?

A

A DoS attack from hundreds, thousands, or millions, of clients

Use Trojans to take control of network devices, called zombies

28
Q

What is a coordinated network of zombies called?

A

A botnet

29
Q

What are some security risks at the communication level?

A

Man in the middle

30
Q

What is MITM? (Man in the middle)?

A

Intercept data between you and the destination server

Uses free wifi and sometimes used legitimately to inject ads

EECS 1520 (11 decks)

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