Eccouncil 212-81 Exam - Topic 7 Question 70 Discussion

Actual exam question for Eccouncil's 212-81 exam

Question #: 70
Topic #: 7

[All 212-81 Questions]

What is the largest key size that AES can use?

A256

B56

C512

D128

Show Suggested Answer

Suggested Answer: A

256

https://en.wikipedia.org/wiki/Advanced_Encryption_Standard

For AES, NIST selected three members of the Rijndael family, each with a block size of 128 bits, but three different key lengths: 128, 192 and 256 bits.

by Benedict at May 03, 2026, 12:12 AM

Limited Time Offer

25%

Off

Get Premium 212-81 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Katy

4 days ago

I think the largest key size for AES is 256 bits, but I'm not entirely sure.

upvoted 0 times

...