Oracle ZFS Storage Appliance 2017 Implementation Essentials

Question 1

Which configuration should improve ZFS throughput and response time for stable write processing (for example, O_SYMC)?

A. VDEV

B. ZIO

C. ARC

D. DMU

E. ZIL

Correct Answer: A

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Question 2

Which tool must you use to identify single or multiple devices at 100% utilization, minimum and maximum device utilization, and device utilization balance, all over time (performance analysis)?

A. line graph showing average and maximum breakdowns

B. bar graph showing maximum latency

C. line graph showing an average

D. heat map showing quantized distribution

E. pie chart showing percentage utilization

Correct Answer: D

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Question 3

Which type of I/O workload benefits the most from read SSDs?

A. sequential read

B. random read

C. mixed random and sequential write

D. random write

E. sequential write

Correct Answer: B

Question 4

A database administrator wants to change the default block size to 32 KB. How can you achieve this on a ZFS Storage Appliance?

A. Go to Project Properties > General tab > Default Settings section, change block size from 8 KB to 32 KB.

B. Go to Project Properties > General tab > Default Settings section, change block size from 4 KB to 32 KB.

C. Go to Share Properties > General tab > Default Settings section, change block size from
8 KB to 32 KB.

D. Go to Share Properties > General tab > Default Settings section, change block size from
4 KB to 32 KB.

Correct Answer: C

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Question 5

What happens when the thin provisioning property is set for a LUN?

A. A share reserves exactly enough space to completely fill the share.

B. Thin provisioning allows the storage administrator to divide the pool capacity into evenly sized LUNs.

C. This property allows volume size to exceed the amount of available space.

D. A ZFS file system is created by setting quota and reservation to the same value.

Correct Answer: C

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Question 6

How can you create an alert in the browser user interface (BUI) for monitoring pool usage based on capacity percent used?

A. Go to Configuration > SAN > iSCSI

B. Go to Configuration > Alerts > Alert Actions

C. Go to Configuration > Storage > Available Pools

D. Go to Configuration > Alerts > Threshold Alerts

Correct Answer: B

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Question 7

Which feature must be enabled to secure communications between a ZFS Storage Appliance and a LDAP server?

A. Simple Configuration

B. SSH

C. SSL/TLS

D. SASL/DIGEST-MD5

Correct Answer: D

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Oracle ZFS Storage Appliance 2017 Implementation Essentials - 1z1-499 Exam Practice Test

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