A penetration tester is unable to identify the Wi-Fi SSID on a client's cell phone. Which of the following techniques would be most effective to troubleshoot this issue?

Question

Options

• ASidecar scanning
• BChannel scanning
• CStealth scanning
• DStatic analysis scanning

• A
  4% (2)
• B
  84% (38)
• C
  2% (1)
• D
  9% (4)

Explanation

Channel Scanning Explained

Channel Scanning (B) is correct because Wi-Fi networks operate across multiple frequency channels (1–13 on 2.4 GHz, and numerous channels on 5 GHz), and if a device isn't detecting an SSID, scanning across all available channels helps identify which channel the network is broadcasting on - this is especially useful when a network appears "hidden" or the client device is simply not tuned to the correct channel.

Why the distractors are wrong:

• Sidecar scanning (A) is not a recognized wireless troubleshooting technique and is essentially a fictional distractor in this context.
• Stealth scanning (C) refers to techniques used to avoid detection during network reconnaissance (like SYN scans), not for discovering Wi-Fi SSIDs.
• Static analysis scanning (D) involves examining code or files without execution - this is a software/malware analysis concept with no relevance to Wi-Fi discovery.

Memory Tip: Think of Wi-Fi channels like TV channels - if you're on the wrong channel, you won't see the show (SSID). Channel scanning = flipping through all channels to find the one that's broadcasting.

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