Disaster Recovery N10-009 Practice Questions (Page 6)

Questions 26–30

1. 26application · medium

   An online retailer's web application runs on a single server that also hosts the database. The company wants to minimize downtime if that server fails. Which approach best improves fault tolerance while keeping the application available?

   • AAdd more RAM and a faster CPU to the existing server.
   • BSchedule nightly full backups and document a manual restore procedure.
   • CDeploy a second server with a load balancer, and configure the database for replication between the two servers.
   • DUse a RAID 1 array for the server's disks.
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2. 27expert · hard

   A company currently performs a full backup every Sunday and incremental backups Monday through Saturday. The restore time for a full backup is 3 hours, and each incremental takes 15 minutes to restore. On Thursday, a server fails. The company's RTO is 4 hours. Which backup strategy change would best help meet the RTO while minimizing backup storage requirements?

   • AKeep the current strategy and accept the restore time of 3 hours plus three incrementals (3.75 hours), which meets the RTO.
   • BSwitch to a full backup every night and eliminate incrementals.
   • CSwitch to differential backups instead of incrementals.
   • DKeep the current incremental strategy but perform a full backup on Wednesday as well.
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4. 28foundation · easy

   What is the main goal of business continuity planning?

   • ATo ensure all employees are trained on IT systems
   • BTo ensure critical business functions continue during and after a disruption
   • CTo reduce the cost of IT infrastructure
   • DTo replace the disaster recovery plan
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5. 29expert · hard

   During a ransomware attack, a company's email system is encrypted and unavailable. The DR team needs to coordinate the response and communicate with employees. The existing communication plan relies on email as the primary channel. Which action best ensures effective communication during this incident?

   • AWait for the email system to be restored before sending any updates.
   • BUse personal email accounts of the IT team to send updates.
   • CPost updates on the company's internal social media page, which is hosted on the same email server.
   • DActivate the pre-established emergency notification system that uses SMS and a toll-free hotline.
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6. 30expert · hard

   After a successful DR test, the network team discovers that the backup tapes for the last three days are corrupted and cannot be read. The test revealed that the backup software did not verify the tapes after writing. Which change to the testing and maintenance process would most directly prevent this issue from recurring?

   • AReplace the tape library with a newer model.
   • BIncrease the frequency of full backups from weekly to daily.
   • CShorten the retention period for backups to reduce the chance of media degradation.
   • DAdd a verification step to the backup job that reads back and validates the data after writing.
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