The act that describes a computer intruder capturing a
stream of data packets and inserting these packets into the
network as if it were another genuine message stream is called:
A. eavesdropping.
B. message modification.
C. a brute-force attack.
D. packet replay.
Answer / guest
Answer: D
Packet replay is a combination of passive and active modes
of attack. This form of attack is particularly effective
when the receiving end of the communication channel is
automated and acts on the receipt and interpretation of
information packets without human intervention.
| Is This Answer Correct ? | 5 Yes | 0 No |
The purpose of debugging programs is to: A. generate random data that can be used to test programs before implementing them. B. protect valid changes from being overwritten by other changes during programming. C. define the program development and maintenance costs to be include in the feasibility study. D. ensure that abnormal terminations and coding flaws are detected and corrected.
The potential for unauthorized system access by way of terminals or workstations within an organization's facility is increased when: A. connecting points are available in the facility to connect laptops to the network. B. users take precautions to keep their passwords confidential. C. terminals with password protection are located in unsecured locations. D. terminals are located within the facility in small clusters under the supervision of an administrator.
Linux is an __________ operating system
Which of the following is the MOST important criterion for the selection of a location for an offsite storage facility for IS backup files? The offsite facility must be: A. physically separated from the data center and not subject to the same risks. B. given the same level of protection as that of the computer data center. C. outsourced to a reliable third party. D. equipped with surveillance capabilities.
Which of the following is the MOST effective type of antivirus software to detect an infected application? A. Scanners B. Active monitors C. Integrity checkers D. Vaccines
Which of the following exposures associated with the spooling of sensitive reports for offline printing would an IS auditor consider to be the MOST serious? A. Sensitive data can be read by operators. B. Data can be amended without authorization. C. Unauthorized report copies can be printed. D. Output can be lost in the event of system failure.
The editing/validation of data entered at a remote site would be performed MOST effectively at the: A. central processing site after running the application system. B. central processing site during the running of the application system. C. remote processing site after transmission to the central processing site. D. remote processing site prior to transmission of the data to the central processing site.
Which of the following BEST describes the objectives of following a standard system development methodology? A. To ensure that appropriate staffing is assigned and to provide a method of controlling costs and schedules B. To provide a method of controlling costs and schedules and to ensure communication among users, IS auditors, management and IS personnel C. To provide a method of controlling costs and schedules and an effective means of auditing project development D. To ensure communication among users, IS auditors, management and personnel and to ensure that appropriate staffing is assigned
When reviewing a system development project at the project initiation stage, an IS auditor finds that the project team is following the organization's quality manual. To meet critical deadlines the project team proposes to fast track the validation and verification processes, commencing some elements before the previous deliverable is signed off. Under these circumstances, the IS auditor would MOST likely: A. report this as a critical finding to senior management. B. accept that different quality processes can be adopted for each project. C. report to IS management the team's failure to follow quality procedures. D. report the risks associated with fast tracking to the project steering committee.
An enterprisewide network security architecture of public key infrastructure (PKI) would be comprised of: A. A public key cryptosystem, private key cryptosystem and digital certificate B. A public key cryptosystem, symmetric encryption and certificate authorities C. A symmetric encryption, digital certificate and kerberos authentication D. A public key cryptosystem, digital certificate and certificate authorities
What type of transmission requires modems? A. Encrypted B. Digital C. Analog D. Modulated
Which of the following BEST describes an integrated test facility? A. A technique that enables the IS auditor to test a computer application for the purpose of verifying correct processing B. The utilization of hardware and/or software to review and test the functioning of a computer system C. A method of using special programming options to permit printout of the path through a computer program taken to process a specific transaction D. A procedure for tagging and extending transactions and master records that are used by an IS auditor for tests