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FC0-U61 · Question #301

You are responsible for technical support at a company. One of the employees complains that his new laptop cannot connect to the company wireless network. You have verified that he is entering a valid

The correct answer is D. MAC filtering is blocking him.. If a laptop cannot connect to a wireless network despite a correct password, the most likely issue is MAC filtering, which prevents devices with unapproved MAC addresses from joining the network.

Infrastructure

Question

You are responsible for technical support at a company. One of the employees complains that his new laptop cannot connect to the company wireless network. You have verified that he is entering a valid password/passkey. What is the most likely problem?

Options

  • AHis operating system is incompatible.
  • BA firewall is blocking him.
  • CHis laptop is incompatible.
  • DMAC filtering is blocking him.

How the community answered

(25 responses)
  • A
    12% (3)
  • B
    4% (1)
  • C
    8% (2)
  • D
    76% (19)

Why each option

If a laptop cannot connect to a wireless network despite a correct password, the most likely issue is MAC filtering, which prevents devices with unapproved MAC addresses from joining the network.

AHis operating system is incompatible.

Operating system incompatibility is unlikely to prevent connection to a standard wireless network, as modern OSes support common Wi-Fi standards.

BA firewall is blocking him.

A firewall typically controls network traffic after a connection is established, not the initial association with a wireless access point.

CHis laptop is incompatible.

Laptop incompatibility with standard Wi-Fi is rare for a 'new' laptop, as most modern devices support common wireless standards.

DMAC filtering is blocking him.Correct

MAC filtering is a security measure where a wireless access point is configured to only allow devices with specific MAC addresses to connect, and if the new laptop's MAC address is not on the approved list, it will be blocked.

Concept tested: Wireless networking security - MAC filtering

Source: https://learn.microsoft.com/en-us/windows/win32/winsock/mac-address-filtering

Topics

#wireless networking#MAC filtering#network troubleshooting

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