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1Z0-457 Real Exam Questions

Oracle Enterprise Manager 12c Essentials

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Question 1 Multiple choice

Which three activities can you perform by utilizing the monitoring templates in Oracle Enterprise Manager?

  1. A

    Apply standardized monitoring settings across managed targets.

  2. B

    Create once, and then apply monitoring and policy settings as needed.

  3. C

    Apply a template only to targets of the same type.

  4. D

    Clone templates across VMs.

  5. E

    Export templates directly to tape.

Show answer and explanation

Correct answers: A, B, C

Explanation

Monitoring templates simplify the task of standardizing monitoring settings across your enterprise by allowing you to specify the monitoring settings once and apply them to your monitored targets. This makes it easy for you to apply specific monitoring settings to specific classes of targets throughout your enterprise. For example, you can define one monitoring template for test databases and another monitoring template for production databases.

References:
Oracle Enterprise Manager Administration, Monitoring Templates

Question 2 Multiple choice

What three items can Service Availability be based on With Oracle Enterprise Manager?

  1. A

    TCP/IP ping

  2. B

    Service Test

  3. C

    Synthetic transaction

  4. D

    Components of system

  5. E

    Database latency

Show answer and explanation

Correct answers: B, C, D

Explanation

B, D: Setting up the availability definition for the service. This can be service test-based or system-based.
If you select service test, the service's availability is based on the execution of the service test by the one or more key beacons. If availability is based on system, availability is based on the status of one or more key components of the system.

C: The synthetic transactions provide a direct means of measuring the real end user experience for the various business services. This way of modelling the business services through the execution of synthetic transition provides a consumer perspective of the service availability and performance.

References:
Oracle Enterprise Manager Cloud Control Administrator's Guide

Question 3 Single choice

Which statement is true about the Oracle Enterprise Manager JVM diagnostics capability?

  1. A

    JVM diagnostics can correlate a JVM thread with a database session as well as the SQL.

  2. B

    JVM diagnostics can correlate a JVM thread with a database session but not the SQL.

  3. C

    JVM diagnostics can correlate a JVM thread with SQL but not the database session.

  4. D

    You use the Oracle Enterprise manager Java Explorer, not JVM diagnostics, to correlate a JVM thread

    with a database session as well as the SQL.

Show answer and explanation

Correct answer: B

Explanation

* JVM Diagnostics provides immediate visibility into the Java stack. You can monitor thread states and Java method/line numbers in real time and you can proactively identify issues rather than diagnosing issues like application crashes, memory leaks, and application hangs after they occur.

* JVM Diagnostics facilitates tracing of Java requests to the associated database sessions and vice-versa enabling rapid resolution of problems that span different tiers. It highlights the slowest SQL queries and helps administrators to tune SQL and the database to improve the performance application.

Question 4 Multiple choice

For which three scenarios can Oracle Enterprise Manager Silent Mode installation be utilized?

  1. A

    Installing Oracle Enterprise Manager using a new database

  2. B

    Installing Oracle Enterprise Manager with Oracle Replication

  3. C

    Installing an additional Oracle Management Service

  4. D

    Installing Oracle Enterprise Manager plug-ins

  5. E

    Installing Oracle Enterprise Manager using an existing database

Show answer and explanation

Correct answers: A, C, E

Explanation

You can perform the following in silent mode:

* (A) Installing Enterprise Manager Grid Control Using a New Database

* ( E) Installing Enterprise Manager Grid Control Using an Existing Database
* (C) Installing Additional Management Service

Installing Enterprise Manager 10g Grid Control Release 5 (10.2.0.5) Using Existing Oracle Database 11g

Installing Additional Management Service Using Existing Oracle Database 11g

Note:
* Silent-mode installation is a noninteractive method of installing your software that requires the use of an XML properties file for selecting installation options. You can run silent-mode installation in either of two ways: as part of a script or from the command line. Silent-mode installation is a way of setting installation configurations only once and then using those configurations to duplicate the installation on many computers.

References:
Installing Enterprise Manager Grid Control

Question 5 Multiple choice

Which three abilities are supported by the hardware management function in Oracle Manager Ops Center?

  1. A

    Updating the system firmware

  2. B

    Configuring the Infiniband fabric

  3. C

    discovering the network devices

  4. D

    configuring the security devices

  5. E

    updating firmware on third party storage

Show answer and explanation

Correct answers: A, B, C

Explanation

A:
* Oracle Enterprise Manager Ops Center uses firmware profiles to provision, or update firmware on an
asset.
* Oracle Enterprise Manager Ops Center supports a wide variety of hardware resources. This release of Oracle Enterprise Manager Ops Center has been extended to support the firmware update of components such as RAID Controllers, Expanders, Disks and PDUs. You can now manage the firmware for a variety of hardware resources in Oracle Enterprise Manager Ops Center.

B: Oracle Enterprise Manager Ops Center supports Ethernet and InfiniBand network protocols.
C: In Oracle Enterprise Manager Ops Center, networks become part of a network domain in the following ways: An asset that has a network is discovered.
A user creates a network.
A network is created when it is required. This is a dynamic network.

Question 6 Single choice

Identify the correct sequence of processes involved in developing plug-ins for Oracle Enterprise Manager.

  1. A

    Design, Develop, Validate, and Package

  2. B

    Design, Develop, Package, and Validate

  3. C

    Develop, Design, Validate, and Package

  4. D

    Design, Validate, Develop, and Package

Show answer and explanation

Correct answer: A

Explanation

Developing a plug-in involves:

1. Designing the set of entities to be included in the plug-in 2. Defining the metadata that describes them to Enterprise Manager

3. Packaging and delivering the plug-in so that users can deploy and use it in Enterprise Manager installations

Note:
The EDK archive contains the following directories:

\bin

Contains the empdk utility, which you use to:

Validate the structure of your plug-in Package your plug-in

Convert the metadata for existing (pre-Cloud Control 12) plug-ins to the new metadata formats

Question 7 Single choice

When you use the Oracle Enterprise manager Cloud Control single system upgrade method, backup of the Oracle Management Repository (OMR) is not necessary ____________.

  1. A

    When all the practice upgrades on the test system are successful

  2. B

    When you already have daily backup

  3. C

    When disk space is not available

  4. D

    When flashback is enabled

  5. E

    But recommended as a best practice

Show answer and explanation

Correct answer: E

Explanation

Note:
* Oracle Management Repository (Repository) is responsible for data storage, rollup and purging

Question 8 Single choice

Which usage is true when you utilize the HTTPS channel to set up secure communications for Oracle Enterprise manager?

  1. A

    You use it for console access and agent data upload to Oracle management Service.

  2. B

    You use it only for console access.

  3. C

    You use it only for agent data upload to Oracle Management Service.

  4. D

    You use it when you set up High Availability.

Show answer and explanation

Correct answer: A

Explanation

* The emctl secure oms command provides immediate HTTPS browser access to the Grid Control
Console by using the secure Management Agent upload port.

* Only secure Management Agent installations that use the Management Service HTTPS channel are able to upload data to your Management Repository.

References:
Enterprise Manager Security

Question 9 Multiple choice

In Oracle Enterprise Manager Cloud Control, which four conditions can cause Agent Status to be displayed as unreachable in the console?

  1. A

    Agent is running but is unable to upload files.

  2. B

    Agent is not configured for HTTPS and Oracle Management Service (OMS) is locked to only accept

    HTTPS communications.

  3. C

    Agent is unable to connect to Oracle Integration Server.

  4. D

    Agent has not been registered with the name server.

  5. E

    Agent is not running.

  6. F

    Agent cannot resolve the Oracle Management Service (OMS) host name.

Show answer and explanation

Correct answers: A, B, E, F

Explanation

A,E: Make sure that the agent on "DEVBOX" is running and can upload to the OMS.

Question 10 Single choice

What is the key time model statistics that is gathered by the Automatic Workload Repository?

  1. A

    Query time

  2. B

    User response time

  3. C

    Database time

  4. D

    Wait event time

Show answer and explanation

Correct answer: C

Explanation

The most important of the time model statistics is DB time. This statistics represents the total time spent in database calls and is a indicator of the total instance workload.

References:
Overview of the Automatic Workload Repository, Time Model Statistics