SAN School: Final quiz:

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SAN School: Final quiz:

SearchStorage.com editors

Now that you've listened to SAN School Webcasts 1-14, take this final quiz and test your expertise on SANs. Good luck!

Question #1

A special-purpose high speed network used to interconnect storage devices with computer systems is the definition for:

a.

6,sid5_gci214410,00.html">Network attached storage (NAS)
b. A storage service provider
c. A storage area network (SAN)
d. A storage array

Click to see if you are correct!


Question #2

Chirs Poelker identified this function as the killer application for a SAN:

a. Storage management
b. Backup
c. Capacity planning
d. File sharing

Click to see if you are correct!


Question #3

Which of the following is NOT a benefit of a SAN?

a. A SAN takes all the data on all our servers and ties it together outside of the servers, which makes it easier to back up.
b. You can not move your data out horizontally in case of a disaster.
c. You can have many different data centers managed in one place, so your operation can be global in scope.
d. Placing data external to the server makes the server less important in case anything happens to it.

Click to see if you are correct!


Question #4

A SAN is a good solution for all but the following:

a. database operations
b. file-sharing
c. application migration
d. voice or video transmission

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Question #5

Cables are what ties everything together in a SAN. When choosing your cables and setting them up, you should do all of the following except:

a. Keep in mind that the smaller the core of the cable the farther the light can pass through it.
b. Choose a large cable since it has a greater probability of signal loss than a smaller cable.
c. Try to make sure the cables are straight for the least amount of signal loss.
d. Select a cable with a minimum radius of between 1 1/4 and 1 1/2.

Click to see if you are correct!


Question #6

This is a way of storing the same data in different places (redundantly) on multiple hard disks.

a. data mining
b. disk duplexing
c. RAID
d. data splitting
e. virtualization

Click to see if you are correct!


Question #7

The best price-performance ratio that you can get from a RAID subsystem is available from

a. RAID 0
b. RAID 1
c. RAID 5
d. RAID 0+1 (or RAID 10)

Click to see if you are correct!


Question #8

This is a unique identifier used on a SCSI bus that enables it to differentiate between up to eight separate devices, which may be an end user, a file, or an application program.

a. driver
b. partition
c. LUN
d. virtual memory

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Question #9

This is the function of using port zoning and worldwide name zoning in the same zone set.

a. load balancing
b. mixed zoning
c. mirroring
d. virtualization

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Question #10

In order to avoid poor SAN design, you should do all of the following EXCEPT:

a. Use world wide name zoning for flexibility and port zoning for security.
b. Use a maximum of 16 switches per fabric.
c. Minimize hops and the use of ISL links.
d. Use multiple HBA vendors and drivers, if possible.

Click to see if you are correct!

Question #11

When implementing a SAN, using multiple ISLs between your switches gives you greater:

a.Security.
b.Scalability.
c.Reliability.
d.Performance.

Click to see if you are correct!


Question #12

Which SAN topography offers the most scalability and growth?

a.Point to point.
b.Switched fabric.
c.Arbitrated loop.
d. None of the above.

Click to see if you are correct!


Question #13

Chris Poelker says the one thing that you must design your SAN to be above all else is:

a.Cost-effective.
b.Easy to use.
c.Resilient.
d.Secure.

Click to see if you are correct!


Question #14

When using a zoned SAN, what is the one thing you don't want to do?

a. Add new servers to the SAN.
b. Run Unix and NT together.
c. Use tape libraries.
d. Use Fibre Channel switches.

Click to see if you are correct!


Question #15

Although there are many potential risks, which of the following does Chris say is the number ONE risk factor to your data?

a. Employee sabotage.
b. Hardware problems, i.e. memory crashes.
c. Software glitches.
d. Power fluctuations in data center.

Click to see if you are correct!


Question #16

The main objective of a BCP (Business Continuity Plan) is:

a.Getting your business up and running after a disaster.
b.Keeping remote data centers up and running after a disaster.
c.Keeping your business running during a disaster.
d.Avoiding disasters altogether

Click to see if you are correct!


Question #17

Asynchronous copy is also known as:

a. Smart copy.
b. Bulk copy.
c. Performance copy.
d. Speed-of-light copy.

Click to see if you are correct!


Question #18

The amount of work that an HBA can push out to a storage disk array is determined by:

a.Time out settings.
b.Persistent binding values.
c.Fibre channel switches.
d.LUN throttle values.

Click to see if you are correct!


Question #19

ISL stands for:

a.Inter switch link.
b.Isolated structured link.
c.Interoperable and scalable link.
d.Incredibly secure link.

Click to see if you are correct!


Question #20

The main function of an ISL is to:

a.Replicate data between switches.
b.Install new switches on multiple servers.
c.Allow data and configuration information to flow between switches.
d.Increase security among SANs.

Click to see if you are correct!

Question #21

What is a SWAN?

a. A large aquatic bird
b. A system wide area network
c. A storage wide area network
d. A secure wireless area network

Click to see if you are correct!


Question #22

A SAN Island refers to:

a. SANs housed in different data centers
b. A SAN that's physically located in a single location and managed as a separate physical entity
c. Ben and J Lo's once favorite vacation spot
d. None of the above

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Question #23

This is one of the main reasons you'd connect SAN islands together:

a. To have less employees on staff
b. To consolidate device and data management
c. To use one primary SAN in your data center
d. To ensure more secure data transactions

Click to see if you are correct!


Question #24

How do you create a SWAN?

a. Get two birds together after a few drinks
b. Connect two or more SAN islands together to consolidate storage mgmt, data mgmt, or both
c. You attach two tape libraries to disparate disk drives
d. All of the above

Click to see if you are correct!


Question #25

A snapshot is defined as:

a. An instant data copy that can be either hardware or software based
b. An image printed from a camera
c. Identical operating systems
d. A data center blueprint

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Question #26

According to Chris, this type of backup boasts the fastest data recovery time?

a. Incremental
b. Differential
c. Full
d. Boot

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Question #27

As far as SAN backup goes, this is Chris's preferred backup method:

a. LANless backup
b. Serverless backup
c. Performance backup
d. Diskless backup

Click to see if you are correct!


Question #28

These are all benefits of disk to disk backup, except:

a. Quick recovery time
b. Inconsistent and blurred data
c. Disks are faster than tapes
d. Disk prices get cheaper every day

Click to see if you are correct!


Question #29

What's the difference between SAN booting and booting off an internal SCSI disk?

a. SAN booting allows you to save data faster
b. Nothing
c. The location of the disks and the adaptor used
d. Booting off an internal SCSI disk is more secure

Click to see if you are correct!


Question #30

Snapshot copies use a technology known as:

a. Instant image
b. Primary image
c. Echo
d. Copy on write

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Question #31

Alex Nikitin says SAN management is basically:

a. Understanding what is in your SAN
b. Being able to run a SAN with your eyes closed
c. Delegating responsibilities to your staff
d. Being able to cut costs effectively

Click to see if you are correct!


Question #32

Each of the following are needs for SAN management, EXCEPT:

a.To monitor the health of the environment
b. Abilty to charge back for usage and share costs
c. Alerting and reporting for easy troubleshooting
d. Eliminating the need for a DR plan

Click to see if you are correct!


Question #33

In Lesson 12, Alex says that automation frees you up to think about:

a. Business continuity plans
b. Server consolidation
c. Business, not disks
d. Vacation

Click to see if you are correct!


Question #34

Right now, this is the main problem with automation:

a. Automation software is super expensive
b. Lack of trust -- it's still in its infancy
c. Lack of skilled IT staff to use automation products properly
d. None of the above

Click to see if you are correct!


Question #35

This is NOT one of the three outsourcing options:

a. Vendor partnering
b. 100% outsourcing
c. Free outsourcing
d. Storage consulting

Click to see if you are correct!


Question #36

All of these are benefits of 100% outsourcing, EXCEPT:

a.Equipment and management are not your problem
b. Storage is free to your customers
c. Standard practices are already established
d. Operating vs. capital expenses (No hardware expenses)

Click to see if you are correct!


Question #37

Alex says it's really important to do this before deciding to outsource:

a.Create a list and define the storage-related problems you want to solve
b. Take a leave of absence to think about it
c. Save up a lot of money
d. Hire a consultant to decide for you

Click to see if you are correct!


Question #38

If you'd like a liaison between your IT staff and storage vendors, you'd choose this outsourcing option:

a. 100% outsourcing
b. Storage consulting
c. Vendor partnering
d. All of the above

Click to see if you are correct!


Question #39

Where documentation is concerned, whiteboards with this are not "safe places":

a. Do not enter
b. Do not discard
c. Training manuals
d. Do not erase

Click to see if you are correct!


Question #40

When it comes to determining a problem with your SAN, Alex says this can typically cause a problem(s):

a. Human beings
b. Software
c. Hardware
d. Power outages

Click to see if you are correct!


So, how did you do? Drop us an e-mail to let us know. Or, tell us your SAN School quiz ideas.

Talk to your peers about this quiz in the discussion forums.

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