Set up a Secure Wireless SoHo Network 100-160 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   What is a key weakness of the WEP wireless encryption protocol?

   • AIt requires a RADIUS server for enterprise use.
   • BIt uses a static encryption key that can be recovered by capturing enough packets.
   • CIt only works on 2.4 GHz frequencies.
   • DIt does not support any form of authentication.
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A user reports that their wireless network name no longer appears in the list of available networks on their laptop, but other devices can still connect. The user did not change any settings. What is the most likely cause?

   • AThe laptop's wireless adapter is faulty
   • BThe router's MAC address filter was enabled
   • CThe router's SSID broadcast was accidentally disabled
   • DThe router's encryption was changed to WPA3
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   What is the purpose of disabling SSID broadcast on a wireless router?

   • AIt prevents the network name from appearing in the list of available networks on client devices.
   • BIt blocks all devices that do not know the SSID from connecting.
   • CIt encrypts the network name so that only authorized users can see it.
   • DIt increases the wireless signal range of the router.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Which of the following is the primary limitation of using MAC address filtering as the sole security measure for a wireless network?

   • AMAC addresses can be spoofed, allowing an attacker to impersonate an approved device.
   • BMAC address filtering reduces the wireless signal strength for unapproved devices.
   • CMAC address filtering prevents all types of denial-of-service attacks.
   • DMAC address filtering only works when WPA2 encryption is enabled.
   Reveal Solution Discussion Select an answer first
6. 10expert · hard

   A small business wants to provide guest Wi-Fi for customers. The owner wants the guest network to be easy to find, but also wants to prevent guests from accessing the internal network. The router supports multiple SSIDs and VLANs. Which configuration is the most secure and practical?

   • ACreate a guest SSID with broadcast enabled and no encryption, relying on VLAN isolation
   • BUse the same SSID as the internal network but with a different passphrase
   • CCreate a separate guest SSID with broadcast enabled, place it on a separate VLAN, and use WPA2 with a passphrase displayed in the store
   • DDisable SSID broadcast for the guest network and provide the SSID at the counter
   Reveal Solution Discussion Select an answer first