Why are one-way keys given their name?

There is no way to reverse the encryption

What is the definition of cryptography?

The practice and study of writing or solving codes

What's the main purpose of perfect forward secrecy?

If the key is compromised, only a small amount of data will be revealed

What is secrecy through obscurity?

The reliance on the secrecy of the implementation of a system or components

What are cryptographic protocols?

Procedures that encrypt data exchanged between a webserver and a user

What is perfect forward secrecy?

An encryption that automatically and frequently changes the key it uses to

In the world of cryptography, what is a hash?

A one-way encryption that converts any form of data into a unique string of

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Cybersecurity Unit 3 Passwords Cyber.org

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Questions 37

Answers

1
What is the definition of ciphertext?
Text written using Times New Roman font
A message to be encrypted
Writing using boring language
The encrypted data
2
What can be added to a password to increase the strength of the password?
Paprika
Thyme
Pepper
Salt
3
Which OS does Hash Suite run on?
Windows
Linux
MacOS
All of the above
4
Which file preceded the shadow file on a Linux system?
hidden
passwd
root
private
5
An ______ is a random number used with a secret key to encrypt data.
encryption enhancer
extension encryptilator
invisible generator
initialization vector
6
What does TLS stand for?
Transport Layer Security
Triple Layer of Security
Tri-Lateral Standard
Titillating Light Snack
7
A password should never be stored ______. (Select two)
in plaintext
unencrypted
in ciphertext
encrypted
8
Which of the following is NOT a use of hashing in cryptography?
Storing passwords
Digital signatures
Pirating
Cryptocurrency
9
A ______ attack is a brute-force technique where attackers use a pre-calculated series of hashes.
rainbow table
commonality
dictionary
spraying
10
What does SSL stand for?
Secret Society League
Secure Sockets Layer
Stephanie Salazar Laughlin
Severe Secure Lockets
11
What is the name of the cipher where each letter is shifted?
Caesar Cipher
Shift Switch
Oil and Vinegar
Transfer Cipher
12
Why are one-way keys given their name?
There is no way to reverse the encryption
There is no way to reverse the ciphertext
There is no way to reverse the decryption
There is no way to reverse the plaintext
13
A ______ attack is done by trying all possible combinations and permutations until success.
Brute Force
Dictionary
Rainbow table
Spraying
14
What is the name of the key used for authentication during the establishment of an SSL/TLS session?
Q4L
NFC
PAP
RSA
15
What is the definition of plaintext?
The encrypted data
Writing using boring language
A message to be encrypted
Text written using Times New Roman font
16
What is the name of a common key exchange method?
Dixie-Helmuth
Diffie-Hellman
Dipsy-Horton
Diddly-Heinz
17
Which of the following is NOT a type of hash function?
MI6
MD5
SHA
None of the above
18
What is the definition of cryptography?
The practice and study of writing or solving codes
The process of assigning a code to something for the purposes of classifica
The art or study of solving/cracking encryptions without being told the key
The set of instructions forming a computer program
19
Which of the following is true regarding the data that is to be hashed?
None of the above
There is a limit to the size of data that can be hashed
Only certain types of data can be hashed
There is a minimum to the size of data that can be hashed
20
What is the name of the technique of adding random data to a password before hashing it and then storing the new value w
Salting
Appending
Attaching
Freezing
21
A ______ attack is a brute-force technique where attackers run through common words and phrases.
spraying
dictionary
rainbow table
commonality
22
What's the main purpose of perfect forward secrecy?
To hide in front of rather than behind when attempting to following an emai
To maintain a perfect response chain to emails perpetrating as hoaxes
If the key is compromised, only a small amount of data will be revealed
None of the above
23
What does the password cracking tool JtR stands for?
Jack the Ripper
Jim the Rapper
Jill the Recker
John the Ripper
24
What does ECC stand for?
Electronic Climate Center
Elliptic Curve Cryptography
External Computational Code
Entitled Cipher Club
25
Encrypt is to ______, as decrypt is to ______.
shorten, streamline
clarify, reduce
convert, unconvert
scramble, jumble
26
Brute force attacks must be done online.
True
False
27
A ______ attack is a brute-force technique where attackers use a few commonly used passwords.
commonality
dictionary
rainbow table
spraying
28
What is the term given if two different passwords have the same hash?
Vape Buddies
Trick question, two different passwords will never have the same hash.
Collision
Conflict
29
What is secrecy through obscurity?
An encryption that automatically and frequently changes the key it uses to
Successful obscuring the redirection of messages in a method that can only
Discreetly passing on a message without any error
The reliance on the secrecy of the implementation of a system or components
30
What are cryptographic protocols?
Sets of rules designed for artificial intelligence to upgrade itself
Protocols for communicating between secret organizations
Procedures that encrypt data exchanged between a webserver and a user
Protocols for hiding or obscuring data within plain sight
31
Which of the following can password crackers use?
Rainbow tables
Dictionaries
All of the above
Brute force
32
What does SPOF stand for?
Single Point of Failure
Scientific Process of Fragility
Secure Protocol Obscuring Forgery
Stop Putting Offensive Foolishness
33
What is perfect forward secrecy?
Discreetly passing on a message without any error
Successful obscuring the redirection of messages in a method that can only
An encryption that automatically and frequently changes the key it uses to
The reliance on the secrecy of the implementation of a system or components
34
Which directory is the shadow file stored on a Linux system?
lib
etc
bin
home
35
Which of the following has pre-calculated hashes, based on the system?
Rainbow tables
Digest databases
Hash queries
Dictionaries
36
In the world of cryptography, what is a hash?
A one-way encryption that converts any form of data into a unique string of
An encryption requiring both a private and a public key to be able to send
Hard and Soft Hackers
Humans Against Society and Homework
37
Secrecy through obscurity is extremely secure. It is not recommended to add additional layers of security because the en
True
False

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