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Home Oracle 1z0-027

Oracle 1z0-027 Exam Practice Questions (P. 5)

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Question #21
You plan to monitor storage servers after configuring an I/O resource manager plan with directives for inter-database plans and intra-database plans.
Which two types if metrics would help assess the impact of the intra-database plans on I/O to the storage servers?
  1. A
    Category I/O
  2. B
    Database I/O
  3. C
    Resource Consumer Group I/O
  4. D
    Smart Flash Log I/O
  5. E
    Smart Flash Cache I/O

Correct Answer:
BC
B: Database metrics provide information about the size of the I/O load from each database specified in the interdatabase plan.
C: Consumer group metrics provide information about the size of the I/O load from each consumer group specified in a database resource plan. Each database in the interdatabase plan has metrics for each of its consumer groups.
Note:
* I/O Resource Manager (IROM) Settings
Incorrect:
Not A: Category metrics provide information about the size of the I/O load from each category specified in the current IORM category plan.

Question #22
You configuring has two half racks, one with high capacity disks and other with high performance disks and high capacity expansion half rack.
There are two RAC clusters, one on each half rack, which have separate storage grids, each consisting of some of the storage servers in the configuration.
You are planning your deployment of Enterprise Manager to monitor all the components of this multi-rack Database Machine, and must provide for high availability of the monitoring infrastructure.
If the host running the agent which has database machine targets bound to it fails, the monitoring of these targets must be another agent.
Which two are true regarding the configuration used to support this?
  1. A
    Enterprise manager support must be deployed to only one Enterprise Manager Agent in each cluster.
  2. B
    A secondary agent must be deployed on a database server in the same cluster as the server hosting the primary agent.
  3. C
    Enterprise Manager support must be deployed to all Enterprise Manager Agents in each cluster.
  4. D
    A secondary agent may be deployed on a database server in a different cluster than the server hosting the primary agent.
  5. E
    A secondary agent must be deployed on a database server in a different cluster than the server hosting the primary agent.
  6. F
    Enterprise Manager support must be deployed to at least two Enterprise Manager Agents in each of the two RAC clusters.

Correct Answer:
AD
Note:
* Instructions for configuring a high availability solution for the Exadata Storage cell or any other Exadata plug-in are documented in the Oracle Database Machine
Monitoring Best Practices (Doc ID 1110675.1) document located in My Oracle Support
* High Availability for Plug-Ins
Normally a plug-in target is bound to a specific agent
If the agent is down the target cannot be monitored
A procedure exists to facilitate target failover to a secondary agent
* The Enterprise Manager agent must be deployed to all compute nodes of the Exadata Database Machine.
* The Oracle ILOM plug-in monitors the Oracle ILOM service processor in a compute node for hardware events and records sensor data to the Oracle Enterprise
Manager Repository.
The ILOM plug-in is deployed to the Enterprise Manager (EM) Agent on the first compute node in an Oracle Database Machine, and only that EM agent communicates with the EM Management Server and Repository for all ILOM database server service processors in the Oracle Database Machine.
* OEM Agent and Exadata Plug-ins
1. OEM Agent and Plug-Ins
are deployed under Oracle

Home -
2. Agent incorporates
additional functionality in

Plug-In -
3. Agent and Plug-in

DB Server on Exadata DBM -
3. Agent and Plug-in
communicates with

Storage Server -
4. Plug-Ins are available for
monitoring all Exadata
hardware components
5. OEM Agent communicates
with the OEM

Question #23
You are about to run the oplan utility to patch the servers on your test Database Machine before patching the production environment.
The following task might be performed:

A) Test the failback procedure -

B) Run the exachk utility -
C) Read the README file.
D) Automate the patch application process as appropriate.
E) Verify that the patch provides the functionality it is meant to.
F) Apply the patch.
G) Evaluate the system performance.
In which order should the tasks be performed to patch in the recommended fashion?
  1. A
    C, B, D, F, B, E, A
  2. B
    C, D, F, B, E, G, A, B
  3. C
    C, B, D, F, E, G, A
  4. D
    C, B, D, F, E, A, G
  5. E
    C, B, D, F, B, E, G, A

Correct Answer:
E

Question #24
Which two may act as building blocks for the creation of two or more griddisks residing on the same physical device and which have more balanced performance characteristics?
  1. A
    griddisk on hard drive-based intervleaved celldisks.
  2. B
    griddisk on hard drive-based celldisks consumed by ASM when creating diskgroups using ASM-based intelligent Data Placement (IDP)
  3. C
    griddisk on hard drive-based non-interleaved celldisks.
  4. D
    griddisk on Flash-base celldisks.

Correct Answer:
AD
Interleaved Griddisks mean equally fast Griddisks, whereas with non Interleaved Griddisks (the default) the Griddisks created first are being taken from the outer tracks of the underlying physical disk.

Question #25
Which type of network traffic is transported over the internal InfiniBand network in a Database Machine?
  1. A
    IDB protocol traffic only
  2. B
    Both Clustered ASM and RAC database instance traffic
  3. C
    Clustered ASM Instance traffic only
  4. D
    RAC database instance traffic only
  5. E
    IDB protocol traffic, Clustered ASM traffic, and RAC database instance traffic

Correct Answer:
E

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