Comprehensive and Detailed In-Depth Explanation:
WEP (Wired Equivalent Privacy) is highly vulnerable to key-cracking attacks, as its encryption key can be easily broken with freely available tools.
A. Complex configuration process – Incorrect. WEP is actually easy to configure.
B. Slow data transfer speed – Incorrect. WEP does not significantly impact speed.
D. Incompatibility with older devices – Incorrect. WEP is compatible with older devices but is insecure.
[Reference:, CompTIA A+ 220-1102, Objective 2.6 – Wireless Security Protocols, , ]
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