Which of the following statements about voice communications is true?
Answer(s): A
Voice recognition input devices provide an alternative to keyboard input. These systems compare the speaker's voice patterns with prerecorded patterns. Advanced systems now have large 'vocabularies and shorter training periods. They allow for dictation and are not limited to simple commands.
Contingency plans for information systems should include appropriate backup agreements.Which of the following arrangements would be considered too vendor dependent when vital operations require almost immediate availability of computer resources?
Answer(s): B
Organizations should maintain contingency plans for operations in the case of a disaster. These plans usually include off-site storage of important backup data and an arrangement for the continuation of operations at another location. A "cold site" has all needed assets in place except the needed computer equipment and is vendor-dependent for timely delivery of equipment.
Each day, after all processing is finished, a bank performs a backup of its online deposit files and retains it for 7 days. Copies of each day's transaction files are not retained. This approach is:
At appropriate intervals, the disk files should be copied on magnetic tape so that restart procedures can begin at those points if data are lost or destroyed. However, not retaining each day's transaction files is risky because information processed since the last backup file was created will be lost.
A company updates its accounts receivable master file weekly and retains the master files and corresponding update transactions for the most recent 2-week period.The purpose of this practice is to
Answer(s): C
The grandfather-father-son approach normally employs magnetic tapes to furnish backup in a batch processing system. The procedure involves creation and retention of three generations of master files so that lost or destroyed data may be regenerated from the remaining master files and transaction data. In this case, a master file the grandfather) and the first week's transactions are used to generate a second master file (the father). This file and the second week's transactions are the basis for the current master file the son). Online systems employ rollback and recovery procedures. i.e., the master file is periodically dumped onto a storage medium. Reconstruction is then possible using the backup copy and the transactions lord.
Good planning will help an organization restore computer operations after a processing outage.Good recovery planning should ensure that:
The disaster plan should embrace data center recovery, critical application recovery, and network recovery. It should be updated and current with regard to recent test results and new applications, equipment, and network configurations. The plan should also ensure that backup facilities are still able to process critical applications and that end-user responsibility is established. Another essential component of a disaster recovery plan is that backup/restart procedures have been anticipated and provided for in the application systems.
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