C. uses protocols such as TKIP and CCMP to secure data
Explanation:
Encryption in wireless networks is a security measure designed to protect the confidentiality of data as it is transmitted over the airwaves. The widely used encryption protocols for securing wireless communications are TKIP (Temporal Key Integrity Protocol) and CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol).
TKIP is commonly used with WPA (Wi-Fi Protected Access), and CCMP is used with WPA2 and WPA3. These protocols ensure that data transmitted between a wireless client and an access point is encrypted, preventing unauthorized parties from intercepting and deciphering the information.
The other options are not accurate:
A. While encryption does contribute to overall security, its primary purpose is to maintain the confidentiality of data, not necessarily to ensure data integrity. Integrity is typically addressed through other means such as hashing.
B. 802.1x is a standard for port-based network access control and is not specifically an encoding method for wireless encryption.
D. Encryption is not limited to a specific frequency band, and it can be implemented on both the 2.4 GHz and 5 GHz frequency bands used by wireless networks. It is not exclusive to 5 GHz.
C. uses protocols such as TKIP and CCMP to secure data
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