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Cybercrime > Network > Flashcards

Network Flashcards

1
Q

Worldwide collection of computers that are all communicating back and forth.

A

Internet

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2
Q

Worldwide web, bank, video games. All of this run on the what?

A

Internet

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3
Q

Any smaller usually geographically localized. Small network of computers.

A

Intranet

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4
Q

In house computers, cell phones, watches these are all on their own small ________ and through routers connect to the outside world.

A

Intranet

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5
Q

Getting information from another computer.

A

Download

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6
Q

Netflix is very heavy on the ________ but the _________ is minimal.

A

Download

Upload

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7
Q

Sending information to another computer.

A

Upload

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8
Q

What is very important if you want to play a youtube video?

A

Upload

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9
Q

Most internet providers will give you a better _________ speed rather than an _________- speed.

A

Download

Upload

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10
Q

Do internet service providers give you better download or upload speeds?

A

Download

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11
Q

What is the big connections between major centers?

A

Internet backbone

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12
Q

In the United States there are 5 or 6 heavy duty connections between disparate geographic area. True or False

A

True

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13
Q

5 or 6 companies control the vast majority of the internet backbone infrastructure in the US. Ex. Quest, Version, and Sprint. True or False

A

True

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14
Q

What are the small connections that you drive on to get to the interstate?

A

ISP (Internet Service Providers)

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15
Q

What is the interstate with a lot of traffic?

A

Backbone

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16
Q

What is a set of rules governing how any two computers are going to communicate over the internet?

A

TCP/IP

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17
Q

What connects you with another computer and it does a ‘handshake’. Where two computers agree to communicate with each other.

A

TCP/IP

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18
Q

The networks prior to the internet such as telephones wasn’t a packet switch network. True or False

A

True

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19
Q

As many people as possible can share the same line at one time and each packet doesn’t tie up the line?

A

Packet switched network

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20
Q

Computerized device at the end of each hose and it takes each packet where it needs to go. What is this called?

A

Routing

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21
Q

Does each packet have a header?

A

Yes

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22
Q

What is contained in the header?

A

The address where you are going

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23
Q

Each packet has a header and it contains the address where you are going. It says I am a TCP/IP protocol can. you please forward me on. True or False

A

True

24
Q

The addresses located in the header of a packet are an internet protocol address (IP Address). True or False

A

True

25
Q

Four numbers separated by a period. The numbers can range from 0-255. What is this?

A

IP address

26
Q

What base do computers think in?

A

2

27
Q

2,4,6,8,16,32,64,128,256. For computers these are the nice round numbers. True or False

A

True

28
Q

0-255 is 256 different numbers. 256 in _______ is a perfectly round number which is how computers think.

A

Binary

29
Q

IP addresses are how many numbers?

A

4

30
Q

IP addresses are four numbers that can range from what?

A

0-255

31
Q

Are computers good at remembering numbers?

A

Yes

32
Q

DNS

A

Domain Name Service

33
Q

When I tell my computer to go to www.google.com it contacts the _______ and asks it to put it into an IP address, so it knows where to go. It then sends the packet to www.google.com

A

DNS

Domain Name Service

34
Q

What translate from English to Binary?

A

DNS

35
Q

how long does it take for a whole bunch of packets to get from point A to point B. This refers to what?

A

Bandwidth

36
Q

How many cars can take the path at the same time without slowing it down. Example: One lane road would be too much traffic but four lanes would allow more data to go through.

A

Bandwidth

37
Q

Basically the speed at which one packet can go from me to them. This refers to what?

A

Latency

38
Q

Example: What is the speed limit. If I’m driving on I-95 and the speed limit is 70MPH I will get there faster than if it was 60MPH.

A

Latency

39
Q

What are the two different measures of speed between my computer and the google server?

A

Bandwidth

Latency

40
Q

There are built in commands to tell you how fast any given connection is between you and the server you are using. True or False

A

True

41
Q

A packet goes from me to the router then it goes to the server and more servers until it reaches the google server. True or False

A

True

42
Q

Do packets choose their own paths?

A

Yes

43
Q

Who has the fastest average speed?

A

Japan

44
Q

Who has the second fastest average speed?

A

Korea

45
Q

USA has very slow internet on average compared to most of the rest of the world. True or False

A

True

46
Q

A guard that stands between two nodes in any network.

A

Firewall

47
Q

In a home network you have one ________ that is built into the router that you use to connect to the internet.

A

Firewall

48
Q

The roadway is the connection between point A and B. The ________ is an actual way that prevents anyone from passing it.

A

Firewall

49
Q

There are 65,000 some odd doors in the firewall that each type of traffic has to pass through a specific type of door. Example: Sending an email, playing a game; all have to go through a specific door. Each door is called a what?

A

Port

50
Q

Any traffic can pass through any what?

A

Port

51
Q

Example: Firewall has web traffic open; your computer can go right through the firewall with no problem. If there is something, you are not using you should close the port. True or False.

A

True

52
Q

Is there a certain port that gets used for the PC anywhere software?

A

Yes

53
Q

What software allows someone to control your computer remotely? They can control your mouse and keyboard and do things on your computer remotely.

A

PC Anywhere software

54
Q

What software is used for troubleshooting and they can remote in and fix the problem?

A

PC Anywhere

55
Q

Lots of useful ways to use PC Anywhere software. But if you leave this port open it can be dangerous because of the bad people. No one can send PC scams to your computer if the port is closed on your firewall. True or False

A

True

Cybercrime (18 decks)

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