Implementing Cisco Wireless Network Fundamentals (WIFUND, legacy) — Question 118

Which physical layer encoding technology is common to both the IEEE 802.11g and the IEEE 802.11a standards?

Answer options

• A. BPSK
• B. CCK
• C. DSSS
• D. OFDM

Correct answer: D

Explanation

The correct answer is OFDM, as it is a common encoding technique used in both IEEE 802.11g and IEEE 802.11a for efficient data transmission. BPSK, CCK, and DSSS are specific to either older Wi-Fi standards or specific implementations, and thus do not apply to both 802.11g and 802.11a.