C1000-031 Real Exam Questions and Verified Answers

Question 1 Single choice

A customer has a partitioned system running IBM i. The customer is considering a new system to replace the existing system and wants to add new WebSphere and Linux workloads.

Which of the following will assist in sizing the new system?

A
System Planning Tool (SPT)
B
nmon_analyzer
C
Performance Management (PM) for Power System
D
Workload Estimator (WLE)

Show answer and explanation

Correct answer: A

Question 2 Single choice

A customer's Disaster Recovery plan requires daily backup tapes from their POWER9 processor-based server to be sent off-site. The POWER9 processor-based server is attached to an IBM Tape Library with

LTO-7 tape drives and Storwize V7000 storage devices. The customer is concerned about the liability of
sending sensitive data off premises.

Which of the following solutions will satisfy the customer's concerns?

A
Enable the optional Storwize encryption feature.
B
Purchase the LTO Tape Encryption feature and Security Key Lifecycle Manager (SKLM)
C
Purchase an IBM Cryptographic Co-Processor.
D
Purchase IBM Multi-Cloud Data Encryption.

Show answer and explanation

Correct answer: A

Question 3 Single choice

What is the main advantage of using dedicated donating cores for a Virtual Machine (VM) running a workload on a Power System E980 with multiple VMs?

A
To reduce the cost of software licenses.
B
To extend the processor pool with unused processor cycles.
C
To reduce the cost of activated cores.
D
To enable Elastic Capacity on Demand.

Show answer and explanation

Correct answer: B

Question 4 Single choice

What is the most cost-effective Capacity on Demand (CoD) offering that will allow a new customer to analyze the effects of activating two cores on a Power System E980 and 32GB of memory for one month?

A
Enable Mobile Activations
B
Trial
C
Elastic
D
Utility

Show answer and explanation

Correct answer: C

Question 5 Single choice

A customer has ordered Capacity on Demand (CoD) for their server, and would like to implement it in their environment.

To use CoD, they download an activation code from the IBM:

A
CoD website and enter it using the HMC.
B
CoD website and enter it into the partition profile.
C
Entitled System Support website and enter it into the partition profile.
D
Entitled System Support website and enter it using the HMC.

Show answer and explanation

Correct answer: A

Question 6 Single choice

What is the minimum amount of rack space that an 80 core Power System E980, without any I/O drawers, will take up in a 19 inch rack?

A
10U
B
12U
C
16U
D
8U

Show answer and explanation

Correct answer: D

Question 7 Single choice

A customer is interested in running many Linux workloads and they are comparing a single Power System E950 versus multiple LC922 servers.

An advantage of the Power System E950 is the ability to support:

A
dual VIOS.
B
either PowerVM or KVM.
C
OPAL firmware.
D
Power Enteprise Pools.

Show answer and explanation

Correct answer: B

Question 8 Single choice

Which capability is used to reallocate memory from one LPAR to another?

A
Live Partition Mobility
B
Active Memory Expansion
C
Dynamic Logical Partitioning
D
Active Memory Sharing

Show answer and explanation

Correct answer: C

Question 9 Single choice

Which of the following is true for systems virtualized with PowerVM?

A
Adapters can be dedicated to LPARs.
B
LPARs require virtual adapters.
C
LPARs require shared memory.
D
Cores must be shared between LPARs.

Show answer and explanation

Correct answer: A

Question 10 Single choice

What is L4 cache?

A
Off-processor-chip buffering to provide faster main memory access in enterprise servers.
B
Allows for Active Memory Expansion of the main memory in enterprise servers
C
On-processor-chip buffering of GPU results
D
On-processor-chip buffering between L3 and POWER9 processor cores

Show answer and explanation

Correct answer: D

Explanation

References:
https://superuser.com/questions/1073937/what-does-l4-cache-hold-on-some-cpus