Interested to Buy Any Domain ? << Click Here >> for more details...
E-mail message authenticity and confidentiality is BEST
achieved by signing the message using the:
A. sender's private key and encrypting the message using the
receiver's public key.
B. sender's public key and encrypting the message using the
receiver's private key.
C. the receiver's private key and encrypting the message
using the sender's public key.
D. the receiver's public key and encrypting the message
using the sender's private key.
- 1 Answers
- 14053 Views
- I also Faced
- E-Mail Answers
Answer / guest
Answer: A
By signing the message with the sender's private key, the
receiver can verify its authenticity using the sender's
public key. By encrypting the message with the receiver's
public key, only the receiver can decrypt the message using
his/her own private key. The receiver's private key is
confidential, and therefore unknown to the sender. Messages
encrypted using the sender's private key can be read by
anyone (with the sender's public key).
| Is This Answer Correct ? | 9 Yes | 1 No |
During a review of a large data center an IS auditor observed computer operators acting as backup tape librarians and security administrators. Which of these situations would be MOST critical to report? A. Computer operators acting as tape librarians B. Computer operators acting as security administrators C. Computer operators acting as a tape librarian and security administrator D. It is not necessary to report any of these situations.
E-mail message authenticity and confidentiality is BEST achieved by signing the message using the: A. sender's private key and encrypting the message using the receiver's public key. B. sender's public key and encrypting the message using the receiver's private key. C. the receiver's private key and encrypting the message using the sender's public key. D. the receiver's public key and encrypting the message using the sender's private key.
An IS auditor observed that some data entry operators leave their computers in the midst of data entry without logging off. Which of the following controls should be suggested to prevent unauthorized access? A. Encryption B. Switch off the computer when leaving C. Password control D. Screen saver password
The BEST method of proving the accuracy of a system tax calculation is by: A. detailed visual review and analysis of the source code of the calculation programs. B. recreating program logic using generalized audit software to calculate monthly totals. C. preparing simulated transactions for processing and comparing the results to predetermined results. D. automatic flowcharting and analysis of the source code of the calculation programs.
What type of transmission requires modems? A. Encrypted B. Digital C. Analog D. Modulated
Which of the following is the MOST effective means of determining which controls are functioning properly in an operating system? A. Consulting with the vendor B. Reviewing the vendor installation guide C. Consulting with the system programmer D. Reviewing the system generation parameters
Assumptions while planning an IS project involve a high degree of risk because they are: A. based on known constraints. B. based on objective past data. C. a result of lack of information. D. often made by unqualified people.
An IS auditor discovers that an organization?s business continuity plan provides for an alternate processing site that will accommodate fifty percent of the primary processing capability. Based on this, which of the following actions should the IS auditor take? A. Do nothing, because generally, less than twenty-five percent of all processing is critical to an organization?s survival and the backup capacity, therefore is adequate. B. Identify applications that could be processed at the alternate site and develop manual procedures to backup other processing. C. Ensure that critical applications have been identified and that the alternate site could process all such applications. D. Recommend that the information processing facility arrange for an alternate processing site with the capacity to handle at least seventy-five percent of normal processing.
Which of the following would be the BEST population to take a sample from when testing program changes? A. Test library listings B. Source program listings C. Program change requests D. Production library listings
Which of the following testing methods is MOST effective during the initial phases of prototyping? A. System B. Parallel C. Volume D. Top-down
Which of the following types of controls is designed to provide the ability to verify data and record values through the stages of application processing? A. Range checks B. Run-to-run totals C. Limit checks on calculated amounts D. Exception reports
When performing an audit of access rights, an IS auditor should be suspicious of which of the following if allocated to a computer operator? A. READ access to data B. DELETE access to transaction data files C. Logged READ/EXECUTE access to programs D. UPDATE access to job control language/script files
Cisco Certifications 
