WGU 178 COMPTIA Security Focused on Chapter 8 Cryptography Exam Questions and Answers 2024/2025
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WGU 178 CompTIA Security
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WGU 178 CompTIA Security
WGU 178 COMPTIA Security Focused on Chapter 8 Cryptography Exam Questions and Answers 2024/2025
Transportation cipher can be done at the............level or at the byte (character) level. - correct answer bit
Exclusive OR - correct answer a function of Boolean algebra; two bits are compared
...
WGU 178 COMPTIA Security Focused on
Chapter 8 Cryptography Exam Questions and
Answers 2024/2025
Transportation cipher can be done at the............level or at the byte (character) level. -
correct answer bit
Exclusive OR - correct answer a function of Boolean algebra; two bits are compared
If two bits are identical, the result is binary ............. - correct answer 0
If two bits are not identical, result is binary ............. - correct answer 1
XOR ........................_ is a very simple symmetric cipher that is used in many
applications where security is NOT a defined requirement. - correct answer encryption
What company developed the Vernam Cipher - correct answer AT&T
Vernam Cipher - correct answer - uses set of characters once per encryption process
In ............___ cipher, each character of the plaintext is turned into a number, and a pad
value for that position is added. - correct answer Vernam
Book or Running Key Cipher - correct answer - uses text in book as key to decrypt a
message.
Ciphertext contains codes representing page, line,
and ............___ ..................................... - correct answer word numbers
, Algorithm is the mechanical process of : - correct answer - looking up references from
the ciphertext
- converting each reference to a word by using the cipher texts value and the key.
What are the typical sources in "Book or Running Key Cipher" ? - correct answer -
thesaurus
- dictionaries
Hash Functions: - correct answer - mathematical algorithms that generate message
summary/digest to confirm message identity and confirm no context has changed.
- use of keys not required
Hash Algorithms: - correct answer publicly known functions that create hash value.
Cryptographic Algorithms are often grouped into two broad categories: - correct
answer - symmetric and asymmetric.
Todays popular cryptosystems use a ............_ combo of symmetric and asymmetric
algorithms. - correct answer hybrid
Symmetric and asymmetric algorithms are distinguished by the types of ............_ they
use for encryption and decryption operations. - correct answer keys
Symmetric Encryption - correct answer uses same "secret key" to encipher and
decipher message.
In Symmetric Encryption, the encryption methods are extremely ........................___,
requiring minimal processing. - correct answer efficient
In symmetric encryption, both the sender and ........................___ must possess
encryption key. - correct answer receiver
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