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, INF4831 - EXAM PACK 2025 ( EXAM QUESTIONS & ANSWERS)graded A+ 2025/2026
A denial of service attack launchedgainst a network is an interruption attack. - correct answer-True
Privileges in an access control matrix are associated with groups and roles. - correct answer-False
An asymmetric encryption method has precisely matched pairs of keys that are produced together, or of
which one key is derived mathematically from the other. - correct answer-True
A cryptographic checksum can be used as code-tamper protection and to ensure message integrity in
transit. - correct answer-True
Consider the scenario in which Mandy wishes to provide evidence via a digital signature that a message
she sends to Kate is in fact from her. She also wants to ensure that only Kate can open the message. The
therefore signs the message with: Mandy's public key and Kate's private key. - correct answer-Fale
Ensuring that an authorized user in the exams department has access to capture exam marks on the
system is called ... - correct answer-Access Control
The Advanced Encryption Standard (AES) is regarded as a stringer/stronger encryption algorithm than
triple Des and is known as Rijndael. - correct answer-True
A program can be validated in several different ways such as cross-checking each system requirement
with the system's source code or execution-time behavior. The goal is to demonstrate that the system
does each thing listed in the functional requirements. - correct answer-True
Procedure-oriented access control access to objects is defined based on privileges associated with
groups, such as students, lecturers and exam department staff. - correct answer-True
Protecting objects involves several complementary goals such as to ensure that each subject should
have access to the smallest number of objects necessary to perform some tasks. This is called verify
acceptable usage. - correct answer-False
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