Wireless Network Fundamentals and Standards NDE Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A company is upgrading its wireless network to support the latest smartphones and laptops. The IT manager wants to ensure maximum throughput and support for the newest features, but also needs backward compatibility with older IoT devices that only support 2.4 GHz. Which IEEE 802.11 standard should the new access points support?

   • A802.11ax (Wi-Fi 6) with dual-band support for 2.4 GHz and 5 GHz.
   • B802.11ac (Wi-Fi 5) with 5 GHz only.
   • C802.11ad (Wi-FiGig) operating at 60 GHz.
   • D802.11n (Wi-Fi 4) with 2.4 GHz only.
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   In a wireless network, what is the primary role of an access point (AP)?

   • ATo bridge wireless clients to a wired network
   • BTo encrypt all traffic on the internet
   • CTo provide routing between different subnets
   • DTo assign IP addresses to wireless clients
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   What is a key characteristic of an ad-hoc wireless network?

   • AIt requires a wired backbone for connectivity
   • BAll traffic must pass through a central controller
   • CDevices communicate directly with each other without an access point
   • DIt is typically used for large enterprise deployments
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A company is deploying a new wireless network for guest access. They want to provide a secure connection that supports the latest security standards, but some older guest devices only support WPA2. Which configuration should the administrator choose to balance security and compatibility?

   • AEnable WPA2-Personal only, as it is the most widely supported.
   • BEnable WPA3-Personal only, and require all guests to upgrade their devices.
   • CEnable WEP with a long passphrase for maximum compatibility.
   • DEnable WPA3-Personal with a transition mode that also allows WPA2-Personal connections.
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A small office is setting up a wireless network. They have a mix of older laptops that only support 2.4 GHz and newer smartphones that support 5 GHz. The office manager wants to ensure all devices can connect and also wants to minimize interference from neighboring offices. What should the network administrator configure on the access point?

   • AEnable a single SSID broadcast on the 5 GHz band only.
   • BEnable dual-band operation with the same SSID on both 2.4 GHz and 5 GHz bands.
   • CEnable a single SSID broadcast on the 2.4 GHz band only.
   • DEnable two separate SSIDs, one for each band, with different security settings.
   Reveal Solution Discussion Select an answer first