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CISM study material · question 666 of 1000

Which two conditions does NIST attach to an emergency disconnection performed without written notice? Choose two.

  1. It requires notification of the applicable regulator within twenty-four hours of the link being cut off
  2. It is taken only after consultation with appropriate technical staff and senior management
  3. It is reserved for extreme circumstances
  4. It requires prior written approval from the other party
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Answer: C. It is reserved for extreme circumstances
B. It is taken only after consultation with appropriate technical staff and senior management

SP 800-100 calls an abrupt cut without written notice an extraordinary measure: it belongs to extreme circumstances only, and technical staff and senior management are consulted before it happens.

Source: NIST SP 800-100 (NIST) — Sec. 6.3.1 Emergency Disconnection

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