A technician receives a trouble ticket about intermittent wireless on a user's laptop while they are at home but not at work. Which of the following could be the cause of this issue?

Question

Options

• AWhile at home, the user is too close to their access point
• BEncryption is set differently at home then at work
• CCordless phone is interfering with signal at home
• DLaptop's wireless is set to only work while at work

• A
  8% (3)
• B
  20% (8)
• C
  70% (28)
• D
  3% (1)

Explanation

Many older cordless phones operate on the 2.4 GHz frequency band, the same frequency used by 802.11b/g/n Wi-Fi networks. When a cordless phone is in use at home, it can cause significant RF (radio frequency) interference with the Wi-Fi signal, resulting in intermittent or dropped connections. This would explain why the issue only occurs at home (where the cordless phone is) and not at work. The other options are less plausible: being too close to an access point is rarely an issue, encryption mismatches would cause a complete connection failure (not intermittent), and laptops do not have location-based wireless restrictions.

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