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CIS 280 > yo > Flashcards

yo Flashcards

2
Q

1: (p.4) What are target skills?

A

Target skills are the skills you intend to gain.

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3
Q

2: (p.4) What are basic skills?

A

Basic skills are the skills you must learn before you can be good at thetarget skills.

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4
Q

3: (p.10) What’s the dierence between the Web and the Internet?

A

The Web refers to web sites. The Internet is bigger. It includes websites and other things like network time synchronization, email, gaming,Skype (VoIP), and Google Earth.

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5
Q

4 (p.253): What does URL stand for?

A

uniform (or universal) resource locator

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6
Q

5 (p.253): What does URI stand for?

A

uniform (or universal) resource identier

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7
Q

6 (p.253):What are the three most common parts of a URL?

A

scheme (protocol), network location (domain name), pathhttp: is the scheme (or protocol).

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8
Q

7: (p.11) In networking, what is a protocol?

A

A protocol is a standardized method (set of rules) for communicating.

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9
Q

8: (p.11) What does HTTP stand for?

A

hyper text transfer (or transport) protocol

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10
Q

9: (p.11) List ve popular protocols.

A

http: hyper text transfer protocol.le: a le right on the user’s local computer.https: hyper text transfer protocol with security.mailto: email address (and possibly more).ftp: le transfer protocol.

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11
Q

10: (p.12) Does capitalization matter with domain names?

A

no

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12
Q

11: (p.12) Does capitalization matter with URLs?

A

yes

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13
Q

12: (p.12) What is the structure of a domain name?

A

little-endian

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14
Q

13: (p.13) Does capitalization matter in the path portion of a URL?

A

yes

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15
Q

14: (p.13) What is the normal structure of the path?

A

big-endian

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16
Q

15: (p.14) What does big-endian mean?

A

Big-endian indicates (1) a hierarchical relationship among parts, (2) withthe most broad, inclusive, substantial, general end coming rst. The laterparts are subdivisions of, owned by, or contained in the earlier parts.

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17
Q

16: (p.15) What does little-endian mean?

A

Little-endian indicates (1) a hierarchical relationship among parts, (2)with the most precise, specic, narrow end coming rst. The later partsare increasingly more broad, inclusive, and general. Later parts own orcontain the earlier parts.

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18
Q

17: (p.15) When is little-endian better?

A

Little-endian is better when the item is relative to some obvious base ofreference. Then only the dierence from the basis is needed and the restcan be omitted.

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19
Q

18: (p.15) What does mixed-endian mean?

A

Mixed-endian indicates a hierarchical relationship among parts, with acultural expectation about the ordering of the parts, but being neitherbig-endian nor little-endian.

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20
Q

19: (p.16) What is syntax?

A

Syntax is the form or format taken by language.

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21
Q

20: (p.16) In a URL, what is the purpose of \@”?

A

@ is a syntax marker that comes after the username (and password) andbefore the domain name. It appears this way in mailto URLs. It alsoappears with certain protected web sites.

22
Q

21: (p.16) In a URL, what is the purpose of :”?

A

: is a syntax marker that can appear in three places.It appears after the scheme (protocol).It appears between username and password, if these are present.It appears after the domain name, if a port is specied.

23
Q

22: (p.17) In a URL, what is the purpose of \?”?

A

? is a syntax marker that comes after the path and introduces the query,which consists of name=value pairs.

24
Q

23: (p.17) In a URL, what is the purpose of =”?

A

NAME?

25
Q

24: (p.17) In a URL, what is the purpose of \&”?

A

& is a syntax marker that appears between the name=value pairs of aquery, like \name=value&a=5”.

26
Q

25: (p.17) In a URL, what is the purpose of \;”?

A

; is a syntax marker that can appear between the name=value pairs of aquery, serving the same role as the &.

27
Q

26: (p.17) In a URL, what is the purpose of +”?

A

NAME?

28
Q

27: (p.17) In a URL, what is the purpose of \%”?

A

(a) % is a syntax marker that introduces a hexadecimal \percent code.”(b) These codes are used in place of characters that would otherwise havespecial meaning, like syntax markers.

29
Q

28: (p.18) In a URL, what is the purpose of #”?

A

is a syntax marker that introduces the fragment ID. It tells the browserwhat part of a web page to jump to.

30
Q

29: (p.20) What does LAN stand for?

A

local area network

31
Q

30: (p.20) What protocol do most LANs use for communication?

A

ethernet

32
Q

31: (p.21) What does IP stand for?

A

internet protocol

33
Q

32: (p.21) What is a software port?

A

A software port is a number that indicates which computer programshould receive the message.

34
Q

33: (p.22) What is Survivability?

A

The ability to continue functioning, perhaps with reduced performance,if part of the network has been destroyed.

35
Q

34: (p.23) Why does the Internet avoid centralization?

A

Centralization is a threat to survivability.

36
Q

35: (p.24) What does DNS stand for?

A

35: (p.24) What does DNS stand for?

37
Q

36: (p.25) What service does DNS provide?

A

It converts domain names into IP addresses

38
Q

37: (p.25) Is there any special meaning to the order of the parts in a domainname? If so, what?

A

Yes. Domain names are little-endian..

39
Q

38: (p.26) What does TLD stand for?

A

top level domain

40
Q

39: (p.27) What is Cyber Squatting?

A

It is the practice of registering domain names that people would probablyassume are really owned by someone else.

41
Q

40: (p.28) Can you own a domain name?

A

no

42
Q

41: (p.29) Does BYUH control the domain byuh.doncolton.com? Why orwhy not?

A

It does not. Sub domains are controlled by the next higher domain, andmay have no relationship to more famous domains or brands that theylook like.

43
Q

42: (p.31) What does DHCP stand for?

A

dynamic host conguration protocol

44
Q

43: (p.31) What is a host?

A

Host is just another name for computing device. It might be a server, adesktop computer, a laptop, a tablet, a smart phone, or even a router.

45
Q

44: (p.32) What is conguration?

A

Conguration adjusts the settings that control something, such as a com-puter.

46
Q

45: (p.32) What does dynamic mean?

A

Dynamic means something that can change automatically, without man intervention. It is the opposite of static.

47
Q

46: (p.33) What does static mean?

A

Static means something that does not change unless there is human in-tervention. It is the opposite of dynamic.

48
Q

47: (p.33) What does DHCP provide? Include a specic example.

A

(a) DHCP provides parameters necessary to use the network. (b) Specicexamples include IP address, net mask, gateway, and DNS servers.

49
Q

48: (p.33) How does a typical laptop computer discover its own IP address?

A

dhcp

50
Q

49: (p.34) How does a typical server computer discover its own IP address?

A

Server IP addresses are normally static. The IP address is stored withinthe server. It does not have to ask for it.

CIS 280 (5 decks)

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