For an online transaction processing system, transactions
per second is a measure of:
A. throughput.
B. response time.
C. turnaround time.
D. uptime.
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Answer: A
"Throughput measures how much work is done by a system over
a period of time
it measures productivity of the system. In an online
transaction processing system, transactions per second is a
throughput index. Response time is defined as the length of
time that elapsed between submission of an input and receipt
of the first character of output in an online system.
Turnaround time is the length of time that elapsed between
submission of a job and receipt of a completed output. It is
a measure of timeliness in a batch system. The percentage of
time that the system is available for processing is called
uptime or a reliability index
thus, this is not the correct answer."
| Is This Answer Correct ? | 6 Yes | 0 No |
An advantage of the use of hot sites as a backup alternative is that: A. the costs associated with hot sites are low. B. hot sites can be used for an extended amount of time. C. hot sites can be made ready for operation within a short period of time. D. they do not require that equipment and systems software be compatible with the primary site.
During an audit of an enterprise that is dedicated to e-commerce, the IS manager states that digital signatures are used in the establishment of its commercial relations. To substantiate this, the IS auditor must prove that which of the following is used? A. A biometric, digitalized and encrypted parameter with the customer's public key B. A hash of the data that is transmitted and encrypted with the customer's private key C. A hash of the data that is transmitted and encrypted with the customer's public key D. The customer's scanned signature, encrypted with the customer's public key
The primary role of an IS auditor during the system design phase of an application development project is to: A. advise on specific and detailed control procedures. B. ensure the design accurately reflects the requirement. C. ensure all necessary controls are included in the initial design. D. advise the development manager on adherence to the schedule.
Which of the following would an IS auditor consider to be the MOST important to review when conducting a business continuity audit? A. A hot site is contracted for and available as needed. B. A business continuity manual is available and current. C. Insurance coverage is adequate and premiums are current. D. Media backups are performed on a timely basis and stored offsite.
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Which of the following provides a mechanism for coding and compiling programs interactively? A. Firmware B. Utility programs C. Online programming facilities D. Network management software
During a review of a customer master file an IS auditor discovered numerous customer name duplications arising from variations in customer first names. To determine the extent of the duplication the IS auditor would use: A. test data to validate data input. B. test data to determine system sort capabilities. C. generalized audit software to search for address field duplications. D. generalized audit software to search for account field duplications.
Which of the following should concern an IS auditor when reviewing security in a client-server environment? A. Data is protected by an encryption technique. B. Diskless workstations prevent unauthorized access. C. Ability of users to access and modify the database directly. D. Disabling floppy drives on the users machines.
When a systems development life cycle (SDLC) methodology is inadequate, the MOST serious immediate risk is that the new system will: A. be completed late. B. exceed the cost estimates. C. not meet business and user needs. D. be incompatible with existing systems.
The difference between whitebox testing and blackbox testing is that whitebox testing: A. involves the IS auditor. B. is performed by an independent programmer team. C. examines a program's internal logical structure. D. uses the bottom-up approach.
Where adequate segregation of duties between operations and programming are not achievable, the IS auditor should look for: A. compensating controls. B. administrative controls. C. corrective controls. D. access controls.
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