What does partitioning offer in terms of encryption?

Selective encryption by encrypting specific areas of the disk or partitions

What does file encryption specifically do?

Encrypts specific files to ensure confidentiality

What is the primary focus of database encryption?

Securing all data contained within a database

What does record encryption specifically target?

Specific entries or records within the database

What is transport encryption used for?

To encrypt data while it is in motion or being transmitted

What does transport encryption prevent?

Interception or access to data during transmission

What is a characteristic of asymmetric encryption?

Uses a pair of key pairs, one public and one private

How do algorithms function in the encryption process?

They serve as the mathematical component for converting plaintext and ciphertext

What is the significance of key length in encryption?

It contributes to the strength of encryption, with longer keys increasing security.

What is the primary purpose of obfuscation in cybersecurity?

To obscure or conceal information from unauthorized users

What does obfuscation aim to achieve?

Making something difficult to understand or read

What is the primary purpose of steganography?

To hide information to prevent detection by normal means

Which of the following is a common method used in steganography? Encrypting text with a password, Embedding text or files within the pixels of an image, Using a firewall to block unauthorized access, Compressing files to reduce size

Embedding text or files within the pixels of an image

What is the primary purpose of tokenization in data security?

To replace personally identifiable information with random values

How does keeping the data and table separate enhance security?

It adds an additional layer of security.

What is a benefit of hashing passwords? Options: It allows passwords to be stored in plaintext, It ensures passwords are never compromised, It provides password hashes instead of plaintext passwords if compromised, It makes password recovery easier

It provides password hashes instead of plaintext passwords if compromised

What is the primary purpose of data masking?

To protect data integrity while allowing its use for testing and analytics

Which of the following is a method used in data masking? Replacing sensitive data with fictional data, Compressing data to save space, Backing up data to a secure location, Deleting unnecessary data

Replacing sensitive data with fictional data

In what scenario might you commonly see masked data? Options: When browsing the internet, When a bank account or credit card is kept on file, When sending an email, When printing a document

When a bank account or credit card is kept on file

What is cryptography?

The practice and study of writing codes

What does cryptanalysis involve?

Cracking or solving encryptions

A key or algorithm used to encrypt or decrypt information.

What is the primary function of keys in encryption and decryption?

To allow encryption and decryption to function

Why is it important to keep your keys secure and private?

To ensure you can decrypt your data

What can happen if a key or the algorithm used by the key is well known?

It may not help in decrypting other information

What is a potential issue with some algorithms according to cryptanalysts?

They are inherently weak due to flaws.

What is a disadvantage of using shorter keys in cryptography?

They are less complex and can be cracked faster.

What is the purpose of key stretching in cryptography?

To convert a password to a longer and more random one

What is hashing primarily used for?

Integrity checks and authentication

What is a key characteristic of a hashing algorithm?

It converts data into a unique string called a digest.

Why can't the original text be recovered from a hash?

Because it is a one-way process

What is a collision in the context of hashing algorithms?

When different inputs result in the same output hash.

Unit 4 Review Part 1 Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the primary focus of encryption?

Back

To protect confidentiality and privacy

2.

FLASHCARD QUESTION

Front

What does encryption convert plaintext into?

Back

Ciphertext

3.

FLASHCARD QUESTION

Front

What is usually used to perform encryption? A password, A decryption key, An algorithm or encryption key, A firewall

Back

An algorithm or encryption key

4.

FLASHCARD QUESTION

Front

Which of the following is a level of encryption that secures an entire disk? File encryption, Partition encryption, Full-disk encryption, Record encryption

Back

Full-disk encryption

5.

FLASHCARD QUESTION

Front

What type of encryption is used to secure individual files?

Back

File encryption

6.

FLASHCARD QUESTION

Front

Which level of encryption is specifically used for securing databases? Options: Record encryption, Volume encryption, Database encryption, Partition encryption

Back

Database encryption

7.

FLASHCARD QUESTION

Front

What is the primary purpose of full-disk encryption?

Back

To encrypt the entire storage device and secure all data on it

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