PrepAway - Latest Free Exam Questions & Answers

Author: seenagape

How many disks are required for each configuration type?

A customer is deploying a new Microsoft Exchange environment and has requested assistance with the associated disk design. They are deploying Exchange for 850 users with an average of 3 I/Os per user.
They expect a 60% read and 40% write distribution.
The customer would like to know the number of disks required for both RAID 5 and RAID 1/0 DMX configurations with 10k rpm drives. How many disks are required for each configuration type?

what is the maximum number of hosts Certkiller .com can attach to one Fiber Channel port?

You work as a design specialist at Certkiller .com. Certkiller .com has a number of hosts that generate 1500 IOPS each with a blocksize of 4K bytes. If a Fiber Channel port on the storage array has a maximum I/O rate of 6000 IOPS with a 4K blocksize, what is the maximum number of hosts Certkiller .com can attach to one Fiber Channel port?

Which hot spare configuration utilizes the least number of drives for hot spares while still allowing for each

A client purchased a new CLARiiON that contains:
Five 10,000RPM 73GB Fibre Channel drives
Ten 10,000RPM 146GB Fibre Channel drives
Fifteen 15,000RPM 36GB Fibre Channel drives
Fifteen 7,200RPM 320GB ATA drives.

Which hot spare configuration utilizes the least number of drives for hot spares while still allowing for each hot spare to be as global as possible?

What would be your best achievable backup/recovery time?

You work as a design specialist at Certkiller .com. You back up a database from clones on a dedicated media server. The media server is connected to an array via six HBAs through two fabrics without ISLs to six Fas with a 1:1 fan out ratio. The backup is multi-threaded to eight LTO II tape drives attached to an independent fabric. Statistics show the backup time=recovery time=8 hours at a host transfer rate of 360 GB/hour.
What would be your best achievable backup/recovery time?

What state will its Clones be in after they perform a successful Reverse Synchronization?

The TDS Group will be using Clones of their 500 GB application LUN for backup and testing purposes. The Protected Restore option is used on all Clones. You have bound two Clone Private LUNs of 130 MB each. TDS uses scripts for testing after hours. What state will its Clones be in after they perform a successful Reverse Synchronization?