What is perfect forward secrecy?

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

What are cryptographic protocols?

Procedures that encrypt data exchanged between a webserver and a user

What is secrecy through obscurity?

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

In the world of cryptography, what is a hash?

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

What's the main purpose of perfect forward secrecy?

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

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

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Cybersecurity Unit 3 Passwords Cyber.org

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Questions 37

Answers

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

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