ExamTopics Logo
Mail Us[email protected]
Menu
Isc Discussions
exam questions

Exam CISSP-ISSAP All Questions

View all questions & answers for the CISSP-ISSAP exam
Go to Exam

Exam CISSP-ISSAP topic 2 question 63 discussion

Actual exam question from ISC's CISSP-ISSAP
Question #: 63
Topic #: 2
[All CISSP-ISSAP Questions]

Which of the following encryption modes has the property to allow many error correcting codes to function normally even when applied before encryption?

  • A. OFB mode
  • B. CFB mode
  • C. CBC mode
  • D. PCBC mode
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Geddy1ng at March 3, 2023, 9:41 a.m.

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Submit Cancel
jim22444
4 months, 2 weeks ago
Selected Answer: B
I think its CFB. It is built better for error correction compared to OFB... OFB having the higher chance to have errors than CFB based on the stream of bits and plaintext being XORed together. Definitely no expert with this though
upvoted 1 times
...
Geddy1ng
7 months, 2 weeks ago
the answer should be CFB mode? I am not able find any resources that confirms OFB performs error correction
upvoted 1 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
exam
Someone Bought Contributor Access for:
SY0-701
London, 1 minute ago