Question 228 Which of the following is a U.S. federal government algorithm developed for creating secure message digests? Data Encryption Algorithm Digital Signature Standard Secure Hash Algorithm Data Signature Algorithm Explanation: SHA was created to generate secure message digests. Digital Signature Standard (DSS) is the standard to create digital signatures, which dictates that SHA must be used. DSS also outlines the digital signature algorithms that can be used with SHA: RSA, DSA, and ECDSA.
18 Licensed to Trial User Chapter 8 - Business Continuity and Disaster Recovery (5 questions) Question 256 What action should take place to restore a system and its data files after a system failure? Restore from storage media backup. Perform a parallel test. Implement recovery procedures. Perform a walk-through test. Explanation: In this and similar situations, recovery procedures should be followed, which most likely include recovering data from the backup media. Recovery procedures could include proper steps for rebuilding a system from the beginning, applying the necessary patches and configurations, and ensuring that what needs to take place to ensure productivity is not affected. Some type of redundant system may need to be put into place. Question 257 What is one of the first steps in developing a business continuity plan? Identify a backup solution. Perform a simulation test. Perform a business impact analysis. Develop a business resumption plan. Explanation: A business impact analysis includes identifying critical systems and functions of a company and interviewing representatives from each department. Once management ’ s support is solidified, a business impact analysis needs to be performed to identify the threats the company faces and the potential costs of these threats.
19 Licensed to Trial User Question 258 How often should a business continuity plan be tested? At least every ten years Only when the infrastructure or environment changes At least every two years Whenever there are significant changes in the organization and annually Explanation: The plans should be tested if there have been substantial changes to the company or the environment. They should also be tested at least once a year. Question 259 During a recovery procedure test, one important step is to maintain records of important events that happen during the test. What other step is just as important? Schedule another test to address issues that were identified during that procedure. Make sure someone is prepared to talk to the media with the appropriate responses. Report the events to management. Identify essential business functions. Explanation: When recovery procedures are carried out, the outcome of those procedures should be reported to the individuals who are responsible for this type of activity, which is usually some level of management. If the procedures worked properly, management should know it, and if problems were encountered, management should definitely be made aware of them. Members of
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