To confirm integrity for a hashed message, the receiver should use

• A.the same hashing algorithm as the tender s to create a numerical representation of the file.
• B.the same hashing algorithm as the sender's to create a binary image of the file.
• C.a different hashing algorithm from me sender s to create a binary image of the file
• D.a different hashing algorithm from the sender s to create a numerical representation of the file

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A critical server for a hospital has been encrypted by ransomware. The hospital is unable to function effectively without this server. Which of the following would MOST effectively allow the hospital to avoid paying the ransom?

• A.A continual server replication process
• B.A property tested offline backup system
• C.A property configured firewall
• D.Employee training on ransomware

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Which of the following would MOST likely indicate that a customer data warehouse should remain in-house rather than be outsourced to an offshore operation?

• A.Time zone differences could impede communications between IT teams.
• B.Telecommunications cost could be much higher in the first year.
• C.Privacy laws could prevent cross-border flow of information.
• D.Software development may require more detailed specifications.

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An organization has a recovery time objective (RTO) equal to zero and a recovery point
objective (RPO) close to 1 minute for a critical system. This implies that the system can tolerate:

• A.a data loss of up to 1 minute, but the processing must be continuous.
• B.a 1-minute processing interruption but cannot tolerate any data loss.
• C.a processing interruption of 1 minute or more.
• D.both a data loss and a processing interruption longer than 1 minute.

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Which of the following protects against the impact of temporary and rapid decreases or increases in electricity?

• A.Redundant power supply
• B.Emergency power-off switch
• C.Stand-by generator
• D.Uninterruptible power supply (UPS)

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