Putting malicious scripts onto network servers

What is email metadata?

Any data besides the message itself

Why are one-way keys given their name?

There is no way to reverse the encryption

An attempt to gain sensitive information through electronic communication

What is steganography?

hiding information in ways to prevent detection of hidden messages

What is the Birthday problem, considering the probability that in a set of N randomly chosen people

two people will have the same birthday

The art of making something obscure, unclear, or unintelligible

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Cybersecurity Midterm 1

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Questions 25

Answers

1
A password should never be stored ______.
in the shadow file
ciphertext
plaintext
unencrypted
2
Brute force attacks must be done online.
True
False
3
What is NOT a sign of a phishing attack?
A certified letter
Changes in font
Odd graphics
Misspelled words
4
What can be added to a password to increase the strength of the password?
pepper
paprika
salt
thyme
5
What is pharming?
Using phishing attacks to get pharmaceuticals
Spamming farmers with unwanted agricultural products
Harvesting information via free downloadable game
Putting malicious scripts onto network servers
6
How many characters long are MD5 hashes?
32
16
128
64
7
Which command can be used to test device availability?
ping
open
avail
echo
8
Which of the following can password crackers use?
Digest databases
Dictionaries
Rainbow tables
Brute force
9
Which of the following can be an example of an external risk?
All of the above
State Actors
Hurricanes
Script Kiddies
10
What is email metadata?
The subject line of an email
The message within the email itself
Any data besides the message itself
All of the above
11
Why are one-way keys given their name?
There is no way to reverse the plaintext
There is no way to reverse the encryption
There is no way to reverse the ciphertext
There is no way to reverse the decryption
12
What is a common way to think about metadata?
Admin data
Logs of user data
Encrypted data
Data about data
13
Which hashing algorithm was first published in 1992 and had collisions verified in 1996?
MD5
MD3
Md7
MD1
14
Which directory is the shadow file stored on a Linux system?
lib
bin
home
etc
15
Which is the highest form of confidential data?
Critical
Top Secret
Sensitive
Secret
16
One way to help strengthen a hashed password to ______.
Salt the password
Use multiple passwords
Encrypt passwords
Save passwords in a file
17
What is Phishing?
None of the above
An attempt to gain sensitive information through electronic communication
Probabilistic Hierarchy Identification System Hacking
The activity of catching fish, either for food or as a sport
18
Encrypt is to ______, as decrypt is to ______.
clarify, reduce
shorten, streamline
convert, unconvert
scramble, jumble
19
What is steganography?
practice of graphing a Stegosaurus drinking eggnog,
hiding information in ways to prevent detection of hidden messages
The practice and study of writing or solving codes
process of assigning a code to something for the purposes of classification
20
How are passwords typically stored within a database?
Encrypted
In Binary Format
Encoded
Hashed
21
What is the Birthday problem, considering the probability that in a set of N randomly chosen people
50% of the people will have the same birthday
another person will share the same birthday
no people will have the same birthday
two people will have the same birthday
22
What is obfuscation?
The art of making something obscure, unclear, or unintelligible
A philosopher known for Obfuscationism
arrangement or rearrangement of members into a sequence or linear order
The state of being unknown, inconspicuous, or unimportant
23
What is it called when two hashes are the same?
Collision
Overflow
Race Condition
Mathematical Error
24
What is the name of the cipher where each letter is shifted?
Shift Switch
Caesar Cipher
Oil and Vinegar
Transfer Cipher
25
______ is when a person attempts to gather personal information from a victim who unknowingly gives it to them.
None of the above
Eliciting information
Identity theft
PII phishing

Cybersecurity Midterm 1 Flashcards | StudBud