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200-301 · Question #1290

What is a characteristic of encryption in wireless networks?

The correct answer is D. prevents the interception of data as it transits a network. Encryption in wireless networks scrambles data to ensure its confidentiality and prevent unauthorized interception as it travels over the air.

Submitted by anjalisingh· Mar 5, 2026

Question

What is a characteristic of encryption in wireless networks?

Options

  • Aprovides increased protection against spyware
  • Bprompts a user for a login ID
  • Cuses ciphers to detect and prevent zero-day network attacks
  • Dprevents the interception of data as it transits a network

How the community answered

(27 responses)
  • A
    4% (1)
  • B
    4% (1)
  • D
    93% (25)

Why each option

Encryption in wireless networks scrambles data to ensure its confidentiality and prevent unauthorized interception as it travels over the air.

Aprovides increased protection against spyware

Encryption primarily protects data confidentiality in transit and does not inherently provide increased protection against spyware, which typically targets endpoints through other attack vectors.

Bprompts a user for a login ID

Encryption itself is a data scrambling process and does not prompt a user for a login ID; authentication protocols handle user credential requests.

Cuses ciphers to detect and prevent zero-day network attacks

While encryption uses ciphers, its main purpose is data confidentiality, not to detect and prevent zero-day network attacks, which are typically addressed by intrusion prevention systems or other security tools.

Dprevents the interception of data as it transits a networkCorrect

Encryption in wireless networks utilizes algorithms to transform data into an unreadable format, specifically to prevent unauthorized parties from intercepting and understanding the transmitted information as it transits the network over radio waves.

Concept tested: Wireless network encryption purpose

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/m_security.html

Topics

#Wireless security#Encryption principles#Data confidentiality

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