The most common problem in the operation of an intrusion
detection system (IDS) is:
A. the detection of false positives.
B. receiving trap messages.
C. reject error rates.
D. denial-of-service attacks.
Answer / guest
Answer: A
Because of the configuration and the way IDS technology
operates, the main problem in operating IDSs is the
recognition (detection) of events that are not really
security incidents?false positives (equivalent of a false
alarm). The IS auditor needs to be aware of this, and should
check for implementation of related controls, such as IDS
tuning, incident handling procedures (like the screening
process to know if an event is a security incident or a
false positive). Trap messages are generated by the simple
network management protocol (SNMP) agents when an important
event happens, but are not particularly related to security
or IDSs. Reject error rate is related to biometric
technology and is not related to IDSs. Denial of service is
a type of attack and is not a problem in the operation of IDSs.
| Is This Answer Correct ? | 10 Yes | 0 No |
Connection-oriented protocols in the TCP/IP suite are implemented in the: A. transport layer. B. application layer. C. physical layer. D. network layer.
When reviewing the quality of an IS department's development process, the IS auditor finds that they do not use any formal, documented methodology and standards. The IS auditor's MOST appropriate action would be to: A. complete the audit and report the finding. B. investigate and recommend appropriate formal standards. C. document the informal standards and test for compliance. D. withdraw and recommend a further audit when standards are implemented.
A call-back system requires that a user with an id and password call a remote server through a dial-up line, then the server disconnects and: A. dials back to the user machine based on the user id and password using a telephone number from its database. B. dials back to the user machine based on the user id and password using a telephone number provided by the user during this connection. C. waits for a redial back from the user machine for reconfirmation and then verifies the user id and password using its database. D. waits for a redial back from the user machine for reconfirmation and then verifies the user id and password using the sender's database.
The MAJOR advantage of the risk assessment approach over the baseline approach to information security management is that it ensures: A. information assets are over protected. B. a basic level of protection is applied regardless of asset value. C. appropriate levels of protection are applied to information assets. D. an equal proportion of resources are devoted to protecting all information assets.
In a web server, a common gateway interface (CGI) is MOST often used as a(n): A. consistent way for transferring data to the application program and back to the user. B. computer graphics imaging method for movies and TV. C. graphic user interface for web design. D. interface to access the private gateway domain.
While reviewing an ongoing project, the IS auditor notes that the development team has spent eight hours of activity on the first day against a budget of 24 hours (over three days). The projected time to complete the remainder of the activity is 20 hours. The IS auditor should report that the project: A. is behind schedule. B. is ahead of schedule. C. is on schedule. D. cannot be evaluated until the activity is completed.
As part of the business continuity planning process, which of the following should be identified FIRST in the business impact analysis (BIA)? A. Organizational risks, such as single point-of-failure and infrastructure risk B. Threats to critical business processes C. Critical business processes for ascertaining the priority for recovery D. Resources required for resumption of business
In a data warehouse, data quality is achieved by: A. cleansing. B. restructuring. C. source data credibility. D. transformation.
Which of the following would be a MAJOR disadvantage of using prototyping as a systems development methodology? A. User expectations of project timescales may be overly optimistic. B. Effective change control and management is impossible to implement. C. User participation in day-to-day project management may be too extensive. D. Users usually are not sufficiently knowledgeable to assist in system development.
During an audit of the tape management system at a data center, an IS auditor discovered that parameters are set to bypass or ignore the labels written on tape header records. The IS auditor also determined that effective staging and job setup procedures were in place. In this situation, the IS auditor should conclude that the: A. tape headers should be manually logged and checked by the operators. B. staging and job setup procedures are not appropriate compensating controls. C. staging and job setup procedures compensate for the tape label control weakness. D. tape management system parameters must be set to check all labels.
Which of the following is a control over component communication failure/errors? A. Restricting operator access and maintaining audit trails B. Monitoring and reviewing system engineering activity C. Providing network redundancy D. Establishing physical barriers to the data transmitted over the network
A probable advantage to an organization that has outsourced its data processing services is that: A. needed IS expertise can be obtained from the outside. B. greater control can be exercised over processing. C. processing priorities can be established and enforced internally. D. greater user involvement is required to communicate user needs.