Cybersecurity

Front 1

b wireless

Back 1

2.4 freq

long dist

slow speed

Front 2

a wireless

Back 2

5.0 freq

short dist

fast speed

Front 3

g wireless

Back 3

2.4 freq

long dist

fast speed

compatible with b

Front 4

n wireless

Back 4

2.4 and 5.0 freq

very long dist

very fast speed

Front 5

bluetooth

Back 5

not secure

short dist

only connect to 1

20-30 feet

high battery life

Front 6

kat 5 cable

Back 6

copper, 8 small copper wires

Front 7

coax cable

Back 7

big chunk of copper with foil sheild

Front 8

fiberoptic cable

Back 8

pulses of light on a glass filament

Front 9

wireless.

Back 9

electromagnetic waves

Front 10

interference in transmisison

Back 10

copper is twisted to prevent it

little to no interference on fiber

lots of interference in wireless (microwave)

Front 11

pop3

Back 11

traditional

need a local client

emails saved on your hard drive

no remote access

Front 12

IMAP

Back 12

can access your emails anywhere

internet browser access

Front 13

SMTP

Back 13

transfers your mail from the mail server to your computer and vice versa.

Front 14

encryption

Back 14

gives the user's file confidentiality

Front 15

types of encryption

Back 15

substitution

transposition

AES

Front 16

negatives to encryption

Back 16

takes time

not convenient

more power used

Front 17

user account control

Back 17

need admin to enter password when a non admin user is on the computer. can help to protect against malware. gives you more security.

Front 18

compression

Back 18

converts repeating characters into a single variable. makes the file size smaller so it is easier to send.

Front 19

we dont compress everything because

Back 19

it would take a lot of time to decompress everything.

Front 20

what is a driver

Back 20

a program that allows the PC to communicate with the device or piece of hardware

Front 21

plug and play

Back 21

anything that is plugged into the computer via USB will install a driver immediately so you are able to use the device instantly

Front 22

Manufacturer vs Windows drivers

Back 22

Manufacturer drive will give you full access to the device

Windows driver

Front 23

Virus

Back 23

cannot self-replicate to other systems without human intervention

Front 24

worm

Back 24

network

self-replicating

Front 25

trojan

Back 25

installed in the background of legit installation

Front 26

macro

Back 26

within Microsoft Office (.doc, .docx., word, excel, .pdf)

Front 27

root kit

Back 27

establishes itself before the operating system is loaded

Front 28

keylogger

Back 28

captures every single key that you type on the keyboard.

Front 29

windows updates

Back 29

updates all windows programs. (java, web browsers, flash, drivers)

Front 30

Windows firewall

Back 30

keeps bad things from entering your computer by monitoring ports.

Front 31

dns

Back 31

domain name system. translates domain name into IP address and vice versa

Front 32

dhcp

Back 32

automatically sets all IP config elements

Front 33

5 elements of ip config

Back 33

ip address

subnet mask

default gateway

DNS 1

DNS 2

Front 34

ip address

Back 34

tells which computer it is (unique)

Front 35

subnet mask

Back 35

tells which network you are on

Front 36

default gateway

Back 36

destination for all traffic that is not local

usually the router

Front 37

DNS 1 and DNS 2

Back 37

allows you to go to URLs you dont already know

Front 38

drive by download

Back 38

a malicious program that is automatically downloaded to your computer without your consent. can be downloaded by visiting a website or clicking on a malicious URL.

Front 39

spear phishing

Back 39

tricks the user to click on a malicious URL by presenting something to the user that they would be interested in clicking on.