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Certified Information Systems Auditor Questions 846–850 (page: 171)

Updated On: 10-Feb-2026

Which of the following would be the BEST criteria for monitoring an IT vendor’s service levels?

  1. Performance metrics
  2. Surprise visit to vendor
  3. Service auditor’s report
  4. Interview with vendor

Answer(s): A



Which of the following would be the BEST criteria for monitoring an IT vendor’s service levels?

  1. Performance metrics
  2. Surprise visit to vendor
  3. Service auditor’s report
  4. Interview with vendor

Answer(s): A



Which of the following is the PRIMARY reason for using a hash function?

  1. To verify the integrity of data
  2. To encrypt private keys
  3. To create a fixed length value of a public key
  4. To authorize the receiver of data

Answer(s): A



A sample for testing must include the 80 largest client balances and a random sample of the rest. What should the IS auditor recommend?

  1. Query the database
  2. Use generalized audit software
  3. Develop an integrated test facility (ITF)
  4. Leverage a random number generator

Answer(s): B



A bank has a combination of corporate customer accounts (higher monetary value) and small business accounts (lower monetary value) as part of online banking. Which of the following is the BEST sampling approach for an IS auditor to use for these accounts?

  1. Unstratified mean per unit sampling
  2. Stratified mean per unit sampling
  3. Customer unit sampling
  4. Difference estimation sampling

Answer(s): B



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