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IT Fundamentals Final Flashcards | StudBud
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IT Fundamentals Final
IT Fundamentals Final
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1
Filters which sites are allowed through to your browser
authorization
cache
proxy
graphical user interface (GUI)
2
A vulnerability of the Diffie-Hellman's Key Exchange is a lack of:
secrecy
integrity
authentication
key exchange
3
Breaking a code by tallying the number of times that each number appears is called:
brute force
frequency distribution
letter frequency
reverse engineering
4
Allows users to interact through icons instead of text
graphical user interface (GUI)
authorization
proxy
cache
5
Which is a good way to protect your computer?
download antivirus software
back up your computer
regular software updates
all of these
6
The primary software that runs applications and manages all the hardware, memory, and other software on a computer
firmware
mobile OS
operating system
workstation OS
7
A cipher where plaintext is written in columns until the bottom is reached, and then a new column is started
product cipher
stream cipher
substitution
transposition
8
The saved collection of data and files used to improve your browsing speed
proxy
command line interface
cache
authorization
9
Which protocol sends information in "real time" and doesn't retransmit lost packets?
URL
UDP
TPC
DNS
10
Which of these is
not
a reason to revoke an SSL certificate?
the validity period has ended
the website is no longer in service
the private key has been compromised
the domain name has been changed
11
What is the most popular mobile OS?
Chrome OS
Blackberry
Windows Phone
Android
12
An operating system used on mobile devices
mobile OS
firmware
workstation OS
operating system
13
An agreed upon set of rules that outlines how to communicate or send information
routing
web server
wired network
protocol
14
Which protocol is used for retrieving web pages from servers over the internet?
DNS
HTTP
UDP
TCP
15
"HELLO" can be encrypted to "OLSSV" by applying a shift of 7. The number 7 is considered the _________.
key
ciphertext
plaintext
algorithm
16
What type of OS is a Chromebook?
server OS
mobile OS
workstation OS
embedded OS
17
Which is not an example of information you'd want to be encrypted?
your favorite color
your birth date
health records
social security number
18
Using private browsing mode will
not
increase your browsing speed.
False
True
19
A number system that has 2 digits, 0 and 1
bit
binary
pixel
byte
20
Which protocol sends information in packets that can be put back together in the proper order?
TPC
TCP
UDP
URL
21
Which is the most commonly used workstation operating system?
Google
Apple Mac
Linux
Microsoft Windows
22
Breaking a code by trying combinations until something works is called:
frequency distribution
frequency analysis
brute force
deciphering
23
The last 3 digits of an IPv4 indicates what?
network
subnetwork
location
device
24
An operating system that is permanently etched into a hardware device
firmware
workstation OS
mobile OS
operating system
25
What is the largest
disadvantage
of symmetric encryption?
it is difficult to securely transmit the key
it is less secure when compared to asymmetric encryption
it is not used anymore
it is more complex and time-consuming
26
Which layer of the OSI model is responsible for transmitting raw, binary data?
data link layer
physical layer
transport layer
network layer
27
How can you identify if a website is using a digital certificate?
it is posted on the homepage
there is "http" at the beginning of the url
there is "https" at the beginning of the url
there is ".org" in the url
28
The smallest binary digit
byte
pixel
bit
binary
29
Network where devices are connected via physical cables
routing
wired network
web server
network
30
The process of sending data between two computers on the internet
web server
network
routing
wired network
31
Two or more computers or devices that are connected together to share resources and information
routing
web server
wired network
network
32
What was the main reason for the development and adoption of IPv6?
larger number of IP addresses
improved security features
reliable wireless connections
faster internet speeds
33
Which protocol is used for converting domain names into IP addresses?
URL
DNS
UDP
TCP
34
What is the term used in cryptography for the message
after
encryption?
plaintext
algorithm
ciphertext
key
35
What is the term used in cryptography when the same key is used to encrypt and decrypt the data?
symmetric encryption
substitution cipher
asymmetric encryption
reflexive encryption
36
In networking, what is a packet?
a software application used for browsing web pages
a unit of data that is transmitted over a network
a physical device used to connect computers to a network
a protocol used for securing data transmission over the internet
37
Process commands to a computer in the form of lines of text
cache
proxy
command line interface
authorization
38
How many number combinations are there in a byte?
2
32
256
156
39
Guest accounts are allowed to make changes and set passwords, but do not get full access to install programs.
True
False
40
What is the term used in cryptography for the message
before
encryption?
plaintext
ciphertext
key
algorithm
41
The process of converting information or data into a specific format that can be understood by a computer
encode
pixel
bit
binary
42
Which is an example of hardware?
Microsoft Word
Google Chrome
keyboard
Photoshop
43
You are not able to access a website that does not have a valid security certificate.
False
True
44
Which workstation operating system is the
most
user and cost friendly?
Linux
Chromebook
Microsoft Windows
Apple Mac
45
Contains 8 bits
pixel
binary
byte
bit
46
A set of instructions that tells a computer how to work
operating system
software
firmware
mobile OS
47
MOS exams are an example of what type of software license?
concurrent license
single use license
group/site license
48
A computer that stores web pages and makes them available to users on the internet
routing
web server
network
wired network
49
Most commonly used on a desktop or laptop computer and can perform tasks
without
an internet connection
mobile OS
workstation OS
firmware
operating system
50
The smallest unit of an image
bit
byte
pixel
binary
51
What a user is allowed to see or do
graphical user interface (GUI)
proxy
authorization
cache
52
How computers know which computer to send information to; their location
internet address
protocol
mailing address
IP address
