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
Answer / guest
Answer: C
Fiber-optic cables have proven to be more secure than the
other media. Satellite transmission and copper wire can be
violated with inexpensive equipment. Coaxial cable also can
be violated more easily than other transmission media.
| Is This Answer Correct ? | 29 Yes | 4 No |
Which of the following is the MOST reasonable option for recovering a noncritical system? A. Warm site B. Mobile site C. Hot site D. Cold site
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.
Congestion control is BEST handled by which OSI layer? A. Data link B. Session layer C. Transport layer D. Network layer
In the ISO/OSI model, which of the following protocols is the FIRST to establish security for the user application? A. Session layer. B. Transport layer C. Network layer D. Presentation layer
Which of the following procedures can a biometric system perform? A. Measure airborne contamination. B. Provide security over physical access. C. Monitor temperature and humidity levels. D. Detect hazardous electromagnetic fields in an area.
An IS auditor is performing an audit of a network operating system. Which of the following is a user feature the IS auditor should review? A. Availability of online network documentation B. Support of terminal access to remote hosts C. Handling file transfer between hosts and inter-user communications D. Performance management, audit and control
Which of the following is a practice that should be incorporated into the plan for testing disaster recovery procedures? A. Invite client participation. B. Involve all technical staff. C. Rotate recovery managers. D. Install locally stored backup.
When reviewing the IT strategic planning process, an IS auditor should ensure that the plan: A. incorporates state of the art technology. B. addresses the required operational controls. C. articulates the IT mission and vision. D. specifies project management practices.
The database administrator has recently informed you of the decision to disable certain normalization controls in the database management system (DBMS) software to provide users with increased query performance. This will MOST likely increase the risk of: A. loss of audit trails. B. redundancy of data. C. loss of data integrity. D. unauthorized access to data.
Which of the following security techniques is the BEST method for authenticating a user's identity? A. Smart card B. Biometrics C. Challenge-response token D. User ID and password
A programmer managed to gain access to the production library, modified a program that was then used to update a sensitive table in the payroll database and restored the original program. Which of the following methods would MOST effectively detect this type of unauthorized changes? A. Source code comparison B. Executable code comparison C. Integrated test facilities (ITF) D. Review of transaction log files
A PING command is used to measure: A. attenuation. B. throughput. C. delay distortion. D. latency.