ExamGecko
Question list
Search
Search

List of questions

Search

Related questions











Question 34 - CWAP-404 discussion

Report
Export

When a data frame is encrypted with WPA2, to which portion of the frame is the encryption applied?

A.
Frame body and MAC Header
Answers
A.
Frame body and MAC Header
B.
Frame body excluding the LLCPD U
Answers
B.
Frame body excluding the LLCPD U
C.
Frame body including the LLCPDU
Answers
C.
Frame body including the LLCPDU
D.
The whole MPDU
Answers
D.
The whole MPDU
Suggested answer: C

Explanation:

When a data frame is encrypted with WPA2, the encryption is applied to the frame body including the LLCPDU. The LLCPDU (Logical Link Control Protocol Data Unit) is a part of the frame body that contains information such as protocol type, source and destination service access points (SAPs), and control fields. The LLCPDU is added by the LLC (Logical Link Control) sublayer to provide multiplexing and flow control functions for different upper layer protocols. When a data frame is encrypted with WPA2, which uses AES-CCMP as its encryption algorithm, both the payload and the LLCPDU are encrypted as a single unit. The MAC header and FCS are not encrypted, as they are needed for addressing and error detection purposes.Reference:[Wireless Analysis Professional Study Guide CWAP-404], Chapter 5: 802.11 MAC Sublayer, page 115-116

asked 16/09/2024
Alex Tzibosnik
38 questions
User
Your answer:
0 comments
Sorted by

Leave a comment first