yo

Question 2

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

Answer 2

Target skills are the skills you intend to gain.

Question 3

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

Answer 3

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

Question 4

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

Answer 4

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.

Question 5

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

Answer 5

uniform (or universal) resource locator

Question 6

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

Answer 6

uniform (or universal) resource identier

Question 7

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

Answer 7

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

Question 8

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

Answer 8

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

Question 9

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

Answer 9

hyper text transfer (or transport) protocol

Question 10

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

Answer 10

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.

Question 11

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

Answer 11

no

Question 12

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

Answer 12

yes

Question 13

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

Answer 13

little-endian

Question 14

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

Answer 14

yes

Question 15

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

Answer 15

big-endian

Question 16

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

Answer 16

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.

Question 17

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

Answer 17

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.

Question 18

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

Answer 18

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.

Question 19

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

Answer 19

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

Question 20

19: (p.16) What is syntax?

Answer 20

Syntax is the form or format taken by language.

Question 21

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

Answer 21

@ 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.

Question 22

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

Answer 22

: 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.

Question 23

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

Answer 23

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

Question 24

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

Answer 24

NAME?

Question 25

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

Answer 25

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

Question 26

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

Answer 26

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

Question 27

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

Answer 27

#NAME?

Question 28

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

Answer 28

(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.

Question 29

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

Answer 29

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

Question 30

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

Answer 30

local area network

Question 31

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

Answer 31

ethernet

Question 32

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

Answer 32

internet protocol

Question 33

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

Answer 33

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

Question 34

33: (p.22) What is Survivability?

Answer 34

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

Question 35

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

Answer 35

Centralization is a threat to survivability.

Question 36

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

Answer 36

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

Question 37

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

Answer 37

It converts domain names into IP addresses

Question 38

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

Answer 38

Yes. Domain names are little-endian..

Question 39

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

Answer 39

top level domain

Question 40

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

Answer 40

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

Question 41

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

Answer 41

no

Question 42

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

Answer 42

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.

Question 43

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

Answer 43

dynamic host conguration protocol

Question 44

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

Answer 44

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.

Question 45

44: (p.32) What is conguration?

Answer 45

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

Question 46

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

Answer 46

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

Question 47

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

Answer 47

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

Question 48

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

Answer 48

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

Question 49

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

Answer 49

dhcp

Question 50

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

Answer 50

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