Wireless Network Fundamentals and Standards NDE Practice Questions (Page 9)

Questions 41–44

1. 41expert · hard

   A company is deploying a wireless network in a multi-story building. The IT team wants to ensure that users can roam seamlessly between floors without dropping connections. They are considering using a wireless controller with APs that support 802.11r. What is the primary benefit of 802.11r in this scenario?

   • AIt provides encryption for all wireless traffic, ensuring security during roaming.
   • BIt allows multiple APs to share the same SSID, enabling seamless roaming.
   • CIt reduces the time required for a client to transition from one AP to another, minimizing disruption during roaming.
   • DIt increases the transmit power of APs, extending coverage across floors.
   Reveal Solution Discussion Select an answer first
2. 42foundation · easy

   Which wireless security protocol was the first to be introduced and is now considered weak because it uses the RC4 cipher with a short initialization vector?

   • AWPA
   • BWEP
   • CWPA3
   • DWPA2
   Reveal Solution Discussion Select an answer first
4. 43expert · hard

   A network administrator is designing a Wi-Fi network for a large convention center. The center hosts events with varying numbers of attendees, from 100 to 5,000. The admin must provide reliable coverage and capacity, but also wants to minimize interference and support legacy devices that only support 2.4 GHz. Which design approach best balances these requirements?

   • ADeploy only 2.4 GHz access points with maximum power to cover the entire center.
   • BDeploy only 5 GHz access points and require all legacy devices to be upgraded.
   • CDeploy a mesh network with omnidirectional antennas and no band steering.
   • DDeploy dual-band access points with band steering, and use 5 GHz for high-density areas while keeping 2.4 GHz for legacy devices.
   Reveal Solution Discussion Select an answer first
5. 44application · medium

   Two employees need to share files directly between their laptops in a location where no wireless access point or router is available. They both have Wi-Fi adapters. What is the most appropriate way to set up the connection?

   • ASet up one laptop as a software access point and connect the other to it.
   • BConnect both laptops to a mobile hotspot from a smartphone.
   • CCreate an ad-hoc wireless network between the two laptops.
   • DUse a wired Ethernet crossover cable between the two laptops.
   Reveal Solution Discussion Select an answer first