WGU D385 Software Security and Testing Exam verified Questions And Answers Latest update 2024.
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Course
WGU D385 Software Security
Institution
WGU D385 Software Security
WGU D385 Software Security and Testing Exam verified
Questions And Answers Latest update 2024.
What is the logging numeric value for INFO? - ANSWER- 20
What does logging.INFO indicate? - ANSWER- Confirmation that things are working as
expected
What is the logging numeric value for WARNING? -...
What is a timing attack? - ANSWER- Attacker obtains hints about private information by
measuring the time a system takes to perform an operation (ex: string comparison)
How can you avoid a timing attack with the hmac module? - ANSWER- You can use
compare_digest in place of ==. This always compares all characters before it returns
thus preventing timing attack vulnerabilities.
, What is a side channel attack? - ANSWER- Derives unauthorized information by
measuring any physical side channel (such as time sound, power consumption,
electromagnetic radiation, radio waves, and heat)
Python has no native encryption API, so what might you use instead? - ANSWER-
cryptography or pycryptodome packages
When using the high level "recipes layer" API of cryptography, what protocol/class will
you be interacting with? - ANSWER- Fernet
How is a fernet token created? - ANSWER- The Fernet.encrypt method encrypts the
plaintext and then also hashes the ciphertext with HMAC-SHA256.
What class is used in combination with Fernet to implement key rotation? - ANSWER-
MultiFernet class
How does key rotation work? - ANSWER- All ciphertext created with the old key must
be decrypted, then re-encrypted with the new key. Then the old key can be retired.
What is symmetric encryption? - ANSWER- When an encryption algorithm both
encrypts and decrypts with the same key. (ex: Fernet)
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