Internet Flashcards

1
Q

_______ was the first country to luanch a satellite into the orbit

A

Soviet Union

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

US military in1962 launced____ in response to the soviet unions sputnik 1

A

DARPA - Defense advanced research projects agency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What was the mission of DARPA?

A

keep U.S. technologically ahead of it’s enemies
created ARPANET

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

US created ______ which is the 1st wide-area packet switched network

A

ARPANET:Advanced Research Projects Agency Network(ARPANET)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

ARPANET was started in _____ and went live on _____

A

Caifornia, October 29th 1969

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The term internet first appeared in year _____

A

1974

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Messages sent across computers are often broken into smaller pieces called _____

A

Packets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

each packet is sent or routed from point to point using ______

A

routers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A_____ is a set of rules adhered when 2 computers are talking to each other

A

network protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What details do the network protocols cover?

A
  1. how to determine if a packet is lost
  2. how to reassemble the packets
  3. how to identify a compouter on the network
  4. how big should each packet be?
  5. how do we route a packet across network
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A collection of protocols is called

A

protocol suite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

_____ allows cross-network communication

A

TCP/IP - Transmission control protocol or internet protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

_____ breaks messages into packets

A

TCP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Host systems called___ dtermine how to route the message/packet

A

routers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Internet protocol is all about ______ and ______

A

address and delivery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

each internet computer host has a unique____

A

IP address

17
Q

IP address comprises of ______ and each set contains numbers from 0 to ____. It is separated into classes

A

four, 255 and A to E

18
Q

How many IPv4 addresses are available as of 2011

A

4.3 billion

19
Q

What is the difference between static vs dynamic IPv4

A

When a device is assigned a static IP address, the address does not change. Most devices use dynamic IP addresses, which are assigned by the network when they connect and change over time.

20
Q

When was IPv6 started?

A

1998

21
Q

_____ translates domain names into internet address

A

domain name system

22
Q

Domain name system began in _____

A

1983

23
Q

What is the DNS hierarchy?

A

DNS hierarchy comprises of the following:
1. root level
2. top level domain
3. Second level domain
4. sub-domains

24
Q

How do the DNS and Internet routers work to deliver from a Domain

A
  1. browser wants to connect to a domain
  2. dns returns ip
  3. browser requests to web server
  4. web server returns index.html
25
Q

Difference between internet and world wide web

A

internet - a global interconnected network of computer networks that transmit data by packet switching
www - is a collection of multimedia hyperlinks

26
Q

what services does the internet provide?

A

Electronic mail (send/receive mail messages)
Remote login (Telnet - access to other computers)
File transfer (ftp)
WWW
Talk/chat (instant messenger)
Video conference
VoIP

27
Q

What are the 2 web protocols?

A

HTML and HTTP

28
Q

______ is used for transferring web pages

A

HTTP

29
Q

_____ is usd for encoding and displaying documents

A

HTML

30
Q

how does a server know if its receiving a ftp/http/e-mail request?

A

ports

31
Q

The IP interprets the web address called ______ to find a file on the interne or the one u entered

A

Universal resource locator

32
Q

_____ specify the type of communication?

A

port numbers

33
Q

Where are the port numbers located?

A

header of the packet

34
Q
A