Exam CISA Topic 7 Question 698 Discussion

Actual exam question for ISACA's CISA exam
Question #: 698
Topic #: 7
Many WEP systems require a key in a relatively insecure format. What format is this?

Suggested Answer: B Vote an answer

As part of the IEEE 802.11 standard ratified in September 1999, WEP uses the stream cipher RC4 for confidentiality and the CRC-32 checksum for integrity.
Many WEP systems require a key in hexadecimal format. If one chooses keys that spell words in the limited 0-9, A-F hex character set, these keys can be easily guessed.

by Jo at Feb 19, 2025, 03:22 AM

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