Networking Unit 6 2024-25

What is the lowest layer of the OSI model at which wired and wireless transmissions share the same protocols?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Which function of WPA/WPA2 security ensures data cannot be read in transit?

•  

  Message Integrity

  
  

•  

  Authentication

  
  

•  

  Encryption

  
  

•  

  Key Distribution

  
  

Which 802.11 standard functions in both the 2.4-GHz and 5-GHz bands?

•  

  802.11g

  
  

•  

  802.11ac

  
  

•  

  802.11b

  
  

•  

  802.11ax

  
  

You’ve just completed a survey of the wireless signals traversing the airspace in your company’s vicinity, and you’ve found an unauthorized AP with a very strong signal near the middle of the 100-acre campus. Its SSID is broadcasting the name of a smartphone model. What kind of threat do you need to report to your boss?

•  

  Rogue AP

  
  

•  

  War Driving

  
  

•  

  Evil Twin

  
  

•  

  Hidden Node

  
  

You just settled in for some study time at the local coffee shop, and you pause long enough to connect your smartphone to the Wi-Fi so you can listen to some music while you study. As you’re about to sign in, you realize that you clicked on an SSID called “Free Coffee and Internet.” What kind of security trap did you almost fall for?

•  

  Brute Force Attack

  
  

•  

  Evil Twin

  
  

•  

  Captive Portal

  
  

•  

  Guest Network

  
  

Which of the following statements is false?

•  

  Each Wi-Fi channel contains multiple frequencies.

  
  

•  

  Each Wi-Fi channel contains multiple frequency bands

  
  

•  

  Wi-Fi functions on two different frequency bands.

  
  

•  

  Wi-Fi spreads its data across all available frequencies within a wide channel.

  
  

Which type of identifier allows wireless clients to roam freely from AP to AP?

•  

  IP Address

  
  

•  

  Transmitter Address

  
  

•  

  ESSID

  
  

•  

  BSSID

  
  

Which device on the network will require the greatest throughput capacity?

•  

  Wireless Bridge

  
  

•  

  Smart Thermostat

  
  

•  

  Wireless LAN Controller

  
  

•  

  Smart Speaker

  
  

Which standard adapted EAP to WLANs?

•  

  802.11i

  
  

•  

  802.1x

  
  

•  

  802.3

  
  

•  

   

  802.11g

  
  
  

Which device will let you determine all frequencies within a scanned range that are present in a specific environment, not just Wi-Fi?

•  

  Wi-Fi Analyzer

  
  

•  

  Wireless LAN Controller

  
  

•  

  Spectrum Analyzer

  
  

•  

  Captive Portal