When a complete segregation of duties cannot be achieved in
an online system environment, which of the following
functions should be separated from the others?
A. Origination
B. Authorization
C. Recording
D. Correction
Answer / guest
Answer: B
Authorization should be separated from all aspects of record
keeping (origination, recording, and correction). Such a
separation enhances the ability to detect the recording of
unauthorized transactions.
Is This Answer Correct ? | 8 Yes | 0 No |
Which of the following would be MOST appropriate to ensure the confidentiality of transactions initiated via the Internet? A. Digital signature B. Data encryption standard (DES) C. Virtual private network (VPN) D. Public key encryption
Which of the following types of transmission media provide the BEST security against unauthorized access? A. Copper wire B. Twisted pair C. Fiber-optic cables D. Coaxial cables
In a client-server architecture, a domain name service (DNS) is MOST important because it provides the: A. address of the domain server. B. resolution service for the name/address. C. IP addresses for the Internet. D. domain name system.
The implementation of cost-effective controls in an automated system is ultimately the responsibility of the: A. system administrator. B. quality assurance function. C. business unit management. D. chief of internal audit.
Applying a digital signature to data traveling in a network provides: A. confidentiality and integrity. B. security and nonrepudiation. C. integrity and nonrepudiation. D. confidentiality and nonrepudiation.
The management of an organization has decided to establish a security awareness program. Which of the following would MOST likely be a part of the program? A. Utilization of an intrusion detection system to report incidents. B. Mandating the use of passwords to access all software. C. Installing an efficient user log system to track the actions of each user D. Provide training on a regular basis to all current and new employees.
Change management procedures are established by IS management to: A. control the movement of applications from the test environment to the production environment. B. control the interruption of business operations from lack of attention to unresolved problems. C. ensure the uninterrupted operation of the business in the event of a disaster. D. verify that system changes are properly documented.
During a review of a large data center an IS auditor observed computer operators acting as backup tape librarians and security administrators. Which of these situations would be MOST critical to report? A. Computer operators acting as tape librarians B. Computer operators acting as security administrators C. Computer operators acting as a tape librarian and security administrator D. It is not necessary to report any of these situations.
Which is the first software capability maturity model (CMM) level to include a standard software development process? A. Initial (level 1) B. Repeatable (level 2) C. Defined (level 3) D. Optimizing (level 5)
Which of the following encrypt/decrypt steps provides the GREATEST assurance in achieving confidentiality, message integrity and nonrepudiation by either sender or recipient? A. The recipient uses his/her private key to decrypt the secret key. B. The encrypted pre-hash code and the message are encrypted using a secret key. C. The encrypted pre-hash code is derived mathematically from the message to be sent. D. The recipient uses the sender's public key, verified with a certificate authority, to decrypt the pre-hash code.
To determine which users can gain access to the privileged supervisory state, which of the following should an IS auditor review? A. System access log files B. Enabled access control software parameters C. Logs of access control violations D. System configuration files for control options used
Which of the following controls is LEAST likely to detect changes made online to master records? A. Update access to master file is restricted to a supervisor independent of data entry. B. Clerks enter updates online and are finalized by an independent supervisor. C. An edit listing of all updates is produced daily and reviewed by an independent supervisor. D. An update authorization form must be approved by an independent supervisor before entry.