Which of the following can identify attacks and penetration
attempts to a network?
A. Firewall
B. Packet filters
C. Stateful inspection
D. Intrusion detection system (IDs)
Answer / guest
Answer: D
An IDS has a large database of attack signatures, which is
used to ward off attacks. Packet filter and stateful
inspection are types of firewalls. A firewall is a fence
around a network designed to block certain types of
communications routed or passing through specific ports. It
is not designed to discover someone bypassing or going under
the firewall.
| Is This Answer Correct ? | 6 Yes | 0 No |
Which of the following types of data validation editing checks is used to determine if a field contains data, and not zeros or blanks? A. Check digit B. Existence check C. Completeness check D. Reasonableness check
If a database is restored using before-image dumps, where should the process be restarted following an interruption? A. Before the last transaction B. After the last transaction C. The first transaction after the latest checkpoint D. The last transaction before the latest checkpoint
An advantage of using sanitized live transactions in test data is that: A. all transaction types will be included. B. every error condition is likely to be tested. C. no special routines are required to assess the results. D. test transactions are representative of live processing.
An IS auditor's MAJOR concern as a result of reviewing a business process reengineering (BPR) project should be whether the: A. newly designed business process has key controls in place. B. changed process will affect organization structure, finances and personnel. C. roles for suppliers have been redefined. D. process has been documented before and after reengineering.
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.
The use of object-oriented design and development techniques would MOST likely: A. facilitate the ability to reuse modules. B. improve system performance. C. enhance control effectiveness. D. speed up the system development life cycle.
An IS auditor performing a review of the backup processing facilities should be MOST concerned that: A. adequate fire insurance exists. B. regular hardware maintenance is performed. C. offsite storage of transaction and master files exists. D. backup processing facilities are tested fully.
A PING command is used to measure: A. attenuation. B. throughput. C. delay distortion. D. latency.
Which of the following is a disadvantage of image processing? A. Verifies signatures B. Improves service C. Relatively inexpensive to use D. Reduces deterioration due to handling
When auditing a mainframe operating system, what would the IS auditor do to establish which control features are in operation? A. Examine the parameters used when the system was generated B. Discuss system parameter options with the vendor C. Evaluate the systems documentation and installation guide D. Consult the systems programmers
Controls designed to ensure that unauthorized changes are not made to information residing in a computer file are known as: A. data security controls. B. implementation controls. C. program security controls. D. computer operations controls.
If inadequate, which of the following would be the MOST likely contributor to a denial-of-service attack? A. Router configuration and rules B. Design of the internal network C. Updates to the router system software D. Audit testing and review techniques