1. What is an advantage of deduplication in backup and what is a drawback?

2. You receive complaints that your network is experiencing congestion during your backup midnight to 4 AM window, causing latency issues in your applications. What can you do to improve network performance?

3. Your backup tapes are picked up by a third-party archival company every Tuesday. You perform a full backup every Saturday with differential backups every day. Tapes can be returned to your site within 24 hours of being archived. On Thursday a user requests a restore today of a word processing file that they changed Wednesday. Can you fulfill this request? Why?

4. You have three different SAN systems. Your Tier I system is made of very fast Solid State Disk drives and has 1.2TB of capacity. Your Tier II storage is made up of 10,000rpm SAS hard disks and has 4.0TB of capacity. Your Tier III storage is made up of 7,200 rpm SATA disk drives and has 20TB of capacity. All are connected to a 4Gb fiber SAN. You have been asked to store the data from an email journaling system which will contain 7 years' worth of data starting from when you bring the system online. Your current mailboxes take up 300GB of space in Tier II storage. You will be asked to occasionally search the archive, but the data is kept for regulatory purposes with only one person searching at a time. Which tier of storage is most appropriate and why?

5.  You have been asked to deploy a remote access solution that will not allow malicious attacks from remote networks. What kind of solution can you deploy?