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SY0-301 · Question #158

Which of the following is an important implementation consideration when deploying a wireless network that uses a shared password?

The correct answer is C. Key length. A wireless network using a shared password uses a Pre-Shared Key (PSK) mode, as found in WPA2-Personal. In PSK mode, the security of the entire network depends entirely on the strength of that one shared key. Key length is therefore a critical implementation consideration - a…

Security architecture

Question

Which of the following is an important implementation consideration when deploying a wireless network that uses a shared password?

Options

  • AAuthentication server
  • BServer certificate
  • CKey length
  • DEAP method

How the community answered

(40 responses)
  • A
    5% (2)
  • B
    3% (1)
  • C
    90% (36)
  • D
    3% (1)

Explanation

A wireless network using a shared password uses a Pre-Shared Key (PSK) mode, as found in WPA2-Personal. In PSK mode, the security of the entire network depends entirely on the strength of that one shared key. Key length is therefore a critical implementation consideration - a short or weak passphrase is vulnerable to brute-force and dictionary attacks. An authentication server (A) is used in enterprise/802.1X mode, not PSK. A server certificate (B) is required in EAP-TLS or PEAP configurations, which are enterprise authentication methods. An EAP method (D) is also specific to enterprise authentication. None of these apply to a shared-password (PSK) network.

Topics

#wireless security#PSK#key length#WPA

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