A B-to-C e-commerce web site as part of its information
security program wants to monitor, detect and prevent
hacking activities and alert the system administrator when
suspicious activities occur. Which of the following
infrastructure components could be used for this purpose?
A. Intrusion detection systems
B. Firewalls
C. Routers
D. Asymmetric encryption
Answer / guest
Answer: A
Intrusion detection systems detect intrusion activity based
on the intrusion rules. It can detect both, external and
internal intrusion activity and send an automated alarm
message. Firewalls and routers prevent the unwanted and
well-defined communications between the internal and
external networks. They do not have any automatic alarm
messaging systems.
| Is This Answer Correct ? | 1 Yes | 0 No |
Which of the following tasks is normally performed by a clerk in the control group? A. Maintenance of an error log B. Authorization of transactions C. Control of noninformation systems assets D. Origination of changes to master files
An IS auditor when reviewing a network used for Internet communications, will FIRST examine the: A. validity of passwords change occurrences. B. architecture of the client-server application. C. network architecture and design. D. firewall protection and proxy servers.
Without causing a conflict of interest, a duty compatible with those of a security administrator would be: A. quality assurance. B. application programming. C. systems programming. D. data entry.
Which of the following is an example of a passive attack, initiated through the Internet? A. Traffic analysis B. Masquerading C. Denial of service D. E-mail spoofing
Compensating controls are intended to: A. reduce the risk of an existing or potential control weakness. B. predict potential problems before they occur. C. remedy problems discovered by detective controls. D. report errors or omissions.
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.
Which of the following tests performed by an IS auditor would be the MOST effective in determining compliance with an organization's change control procedures? A. Review software migration records and verify approvals. B. Identify changes that have occurred and verify approvals. C. Review change control documentation and verify approvals. D. Ensure that only appropriate staff can migrate changes into production.
Which of the following data validation edits is effective in detecting transposition and transcription errors? A. Range check B. Check digit C. Validity check D. Duplicate check
When reviewing a business process reengineering (BPR) project, which of the following is the MOST important for an IS auditor to evaluate? A. The impact of removed controls. B. The cost of new controls. C. The BPR project plans. D. The continuous improvement and monitoring plans.
The window of time recovery of information processing capabilities is based on the: A. criticality of the processes affected. B. quality of the data to be processed. C. nature of the disaster. D. applications that are mainframe based.
Which of the following represents the GREATEST risk created by a reciprocal agreement for disaster recovery made between two companies? A. Developments may result in hardware and software incompatibility. B. Resources may not be available when needed. C. The recovery plan cannot be tested. D. The security infrastructures in each company may be different.
Facilitating telecommunications continuity by providing redundant combinations of local carrier T-1 lines, microwaves and/or coaxial cables to access the local communication loop is: A. last mile circuit protection. B. long haul network diversity. C. diverse routing. D. alternative routing.