Oracle Real Application Clusters 12c Essentials

Oracle Real Application Clusters 12c Certified Implementation Specialist Exam Study Guide

Oracle Real Application Clusters 12c Certified Implementation Specialist Study Guide page 2 of 13

Getting Started | Target Audience | Exam Topics | Training Options | Exam Details per Topic | Exam Registration Details | Additional Resources

Getting Started

The Oracle Real Application Clusters 12c Certified Implementation Specialist Exam Study Guide is designed to help

you prepare for the Oracle Real Application Clusters 12c Essentials Exam (1Z0-432).

Earning this certification helps OPN members differentiate in the marketplace through proven in-depth expertise, and

helps their partner company qualify for the Oracle Real Application Clusters 12c Specialization.

Target Audience

Oracle Real Application Clusters 12c Essentials exam audience defines the type of participants who are likely to pass the

exam and targets individuals with a specific level of education and expertise:

Job Role:

Technical Implementer

Level of Competency:

Candidates should know how to prepare the cluster servers, administrator environment, installation directories,

storage and network.

Candidates should be able to install Oracle Clusterware 12c and Oracle Database 12c software with RAC.

Candidates should be able to administer both administrator and policy-managed Oracle RAC databases

Candidates should know how to monitor and address performance issues

Candidates should have at least 2 years experience in RAC implementation

Exam Topics

Oracle Real Application Clusters 12c Essentials Exam covers eight topics:

Overview of Oracle Grid Infrastructure and Real Application Clusters (RAC)

Installing a RAC Environment

Automatic Storage Management

Cloud FS

Managing and Monitoring Oracle RAC Environments

Oracle Clusterware Overview

RAC Networking

RAC 12c New Features

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Levels of Knowledge

Each exam topic contains objectives and each objective is categorized by learner or practitioner level of knowledge.

Learner items test foundational grasp and

require product comprehension (not

recognition or memorization).

Example:

“When setting up price list modifiers in Advanced Pricing, which

three steps must be completed in order to successfully activate

surcharge and price break features?”

Practitioner items present on-the-job

scenarios and require the ability to: integrate

and apply knowledge in new contexts, analyze

and troubleshoot complex issues, and solve

problems.

Example:

1) “You are creating price list modifiers in Advanced Pricing.

Your customer has three requirements: X, Y, Z. Identify the two

steps that must be completed in order to meet those requirements.

2) “You are running a two-instance database with six redo logs

defined. You decide to add a third thread to support a third

database instance, on the third node of the cluster.

Using command line administration, which two commands will

you execute to achieve this?

Training Options

Throughout the study guide each exam topic recommends one or several training formats:

OPN Boot Camps

Online Training

Oracle University Training

While the Oracle PartnerNetwork facilitates free access to online training, in class trainings often require a fee.

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Exam Details per Topic

This section covers details associated to all exam topics such as: exam topics overview, objectives, levels of knowledge,

recommended trainings and sample questions. Specialization exams include all application functionalities not only the

most frequently used ones.

Topic 1: Overview of Oracle Grid Infrastructure and Real Application Clusters (RAC)

Objective Level

Describe the Oracle Clusterware architecture for Oracle RAC Learner

Describe the Automatic Storage Management (ASM) architecture Learner

Describe RAC Architecture and Processing Learner

Describe Server Pools and Policy Managed Databases Learner

Describe an Oracle RAC environment and the components Learner

Explain considerations for deploying Oracle RAC databases Learner

Recommended Training

Online Training

RAC 12c – Overview of Oracle Grid Infrastructure and Real Application Clusters (RAC)

OPN Boot Camps

Oracle Real Application Clusters 12c Implementation Boot Camp

Sample Questions

Which two actions must you take for configuring the ASM instance initialization?

Store the SPFILE on a shared raw device.

Use a server parameter file (SPFILE).

Store the SPFILE on separate disks.

Store the SPFILE in an ASM disk group.

Use a text initialization parameter file (PFILE).

Use a PFILE that references an SPFILE.

In Oracle Enterprise Linux 5, the init.ohasd entry in the /etc/inittab file is

responsible for_____.

Starting Oracle Clusterware when the node boots

Mounting shared volumes as required by Oracle Clusterware

Managing node evictions

Restarting ohasd in the event of a crash

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Topic 2: Installing a RAC Environment

Objective Level

Install Oracle Grid Infrastructure Practitioner

Upgrade Oracle Grid Infrastructure Practitioner

Configure Storage for Grid Infrastructure and RAC Practitioner

Configure the Operating System for Grid Infrastructure and RAC Practitioner

Configure Networks for Grid Infrastructure and RAC Practitioner

Install Grid Infrastructure for a cluster Practitioner

Complete the Grid Infrastructure post-installation procedures Practitioner

Upgrade to Grid Infrastructure 12cR1 Practitioner

Clone Oracle RAC Practitioner


Online Training

RAC 12c – Installing a RAC Environment

OPN Boot Camps


Sample Questions

Which command can you use to manually check the cluster to verify it is enabled and

running, after a Grid Infrastructure installation?

srvctl status cluster -post

srvctl config cvu

srvctl status cluster

srvctl config cluster -isenabled

srvctl status cvu

Your Grid Infrastructure installation uses Oracle Flex ASM to hold the Oracle

Cluster Registry and voting disk files. Which step would you take to accomplish

this? Ensure that shared storage is available to all cluster nodes.

Use different subnets for the private interconnect.

Configure the ASM network and the private interconnect on the same

NIC.

Bond multiple physical interfaces for the private interconnect.

Install Oracle Flex ASM before the Grid Infrastructure installation.




Topic 3: Automatic Storage Management

Objective Level

Explain the Oracle ASM Cluster Configuration with Oracle RAC Learner

Describe Oracle ASM Disk groups and components Learner

Explain how ASM protects data integrity using mirroring and failure groups Learner

Explain file storage in Oracle ASM and the types of files that are supported Learner

Describe online storage reconfigurations and dynamic rebalancing in ASM Learner

Perform disk maintenance on disk groups Practitioner

Perform mount and dismount operations Practitioner

Explain allocation units and their importance in ASM Learner

Define best practices and prepare storage resources for Oracle ASM Learner

Configure Multipathing Practitioner

Use ASMLIB to configure storage Practitioner

Use ASMCA, ASMCMD, SRVCTL to manage Oracle ASM Practitioner


Online Training

RAC 12c – Automatic Storage Management

OPN Boot Camps


Sample Questions

Which two commands delete the DATA2 disk group and all its files?

SQL> DROP DISKGROUP DATA2;

SQL> DROP DISKGROUP DATA2 FORCE INCLUDING CONTENTS;

SQL> ALTER DISKGROUP ALL DISMOUNT;

SQL> ALTER DISKGROUP DATA2 RESIZE DISKS IN FAILGROUP

failgrp2 SIZE 100G;

ASMCMD> dropdg DATA2;

ASMCMD> dropdg –r DATA2;

ASMCMD> umount –f DATA2;




Which command can you use to manually check the cluster to verify it is enabled and

running, after a Grid Infrastructure installation?

srvctl status cluster -post

srvctl config cvu

srvctl status cluster

srvctl config cluster -isenabled

srvctl status cvu



Topic 4: Cloud FS

Objective Level

Define the Oracle ASM Storage Layers Learner

Define ACFS Best Practices Learner

Manage Oracle ACFS with Command-Line Tools Practitioner

Create an Oracle ACFS File System Practitioner

Manage Oracle ACFS and Oracle ADVM with ASMCA Practitioner

Use the Oracle ASM Dynamic Volume Manager Practitioner

Manage Oracle ACFS Snapshots Practitioner

Define how Oracle ACFS integrates with Oracle ASM Learner


Online Training

RAC 12c – ASM Cloud Filesystems

OPN Boot Camps


Sample Questions

Which command creates an ACFS file system on an ASM volume?

[grid@racnode1 ~] $ asmcmd create fs -acfs -v

/dev/asm/<volume_name>

[root@racnode1 ~]# mkfs -t acfs /dev/asm/<volume_name>

[grid@racnode1 ~] $ acfsutil -c acfs -f


[grid@racnode1 ~] $ mkfs -t acfs


[root@racnode1 ~]# asmcmd format -acfs -f


You want to create an ACFS snapshot. Which command accomplishes this?

$ acfsutil snap delete snapshot_2

/u01/app/oracle/acfsdata/testvol

$ acfsutil snap convert -w|-r snap_name mountpoint

$ acfsutil snap create snapshot_2

/u01/app/oracle/acfsdata/testvol

$ acfsutil info fs mount_point ls –l

mount_point/.ACFS/snaps




Topic 5: Managing and Monitoring Oracle RAC Environments

Objective Level

Use SRVCTL or SQL*Plus to manage an Oracle RAC environment Practitioner

Monitor and perform administration tasks on an Oracle RAC using Enterprise

Manager

Practitioner

Stop and start Instances using SRVCTL, CRSCTL or SQL*Plus Practitioner

Perform instance recovery in Oracle RAC Practitioner

Manage the Oracle Local Registry (OLR) Practitioner

Explain RMAN Restore Scenarios for Oracle RAC Learner

Handle failures in Oracle RAC Practitioner

Add and delete nodes in an Oracle RAC Practitioner

Manage an Oracle Clusterware environment with available tools and utilities Practitioner

Add, move, or delete instances and services Practitioner

Check Oracle Clusterware and RAC clusters for problems Practitioner


Online Training

RAC 12c – Managing and Monitoring Oracle RAC Environments

OPN Boot Camps


Sample Questions

Identify two steps for deleting a policy-managed Database RAC 12cR1 node.

srvctl relocate instance -d db_unique_name -n

node_name

srvctl stop instance -d db_unique_name -n node_name

srvctl relocate server -n node_name -g Free

srvctl stop server -n node_name -g Free

How can you upgrade Oracle RAC Database 11gR2 to 12cR1, when the existing Oracle

Cluster Registry (OCR) and voting disks are stored on raw devices?

You must move them to Oracle ASM or a shared file system after you upgrade

your software.

Upgrade your software as raw devices are supported with Oracle RAC Database

12cR1.

You must move them to Oracle ASM or a shared file system before you

upgrade your software.

You must run the orarawdev.sh script after you upgrade your software.




Topic 6: Oracle Clusterware Overview

Objective Level

Describe Oracle Cluster Configuration Learner

Use the Oracle Cluster Registry to store and manage information in Oracle

Clusterware

Practitioner

Describe the Cluster Ready Services Technology Stack Learner

Describe the High Availability Services Technology Stack Learner

Explain Oracle Clusterware version compatibility Learner

Explain how Server Pools work Learner

Use Server Pool Attributes to create a server pool Practitioner

Describe the difference between a standard cluster and an Oracle Flex Cluster Learner

Change a standard Cluster to an Oracle Flex Cluster Practitioner

Add nodes to a cluster Practitioner

Implement best practices around OCR location configuration Practitioner


Online Training

RAC 12c – Oracle Cluster Overview

OPN Boot Camps


Sample Questions

Which command can you use for setting the node role?

# crsctl get node role status -node host02

# crsctl get node role config -node host02

# crsctl set node role leaf -node host02

# crsctl set cluster mode flex

# crsctl set cluster hubsize 16

Identify three components of the Cluster Ready Services Technology Stack.

Cluster Ready Services (CRS)

Cluster Synchronization Services (CSS)

Cluster Logger Service (ologgerd)

Grid Naming Service (GNS)

Grid Plug and Play (GPNPD)

Oracle Agent (oraagent)




Topic 7: RAC Networking

Objective Level

Identify network requirements for Oracle RAC Learner

Describe IP address types Learner

Explain the Single Client Access Name feature (SCAN) Learner

Implement cluster interconnect best practices Practitioner

Describe services using server pools Learner

Describe the Grid Naming Service (GNS) Learner

Convert cluster networks using DNS to GNS Practitioner

Perform workload management with Dynamic Database Services Practitioner


Online Training

RAC 12c – RAC Networking

OPN Boot Camps


Sample Questions

Which four types of IP addresses are supported in a RAC configuration?

Public

Private

Semi-Public

IPv12 IP Addresses

IPv6 IP Addresses

Virtual

The CTO of your company recently heard about a feature, GNS, which can be used in an

Oracle RAC environment. He has asked you to start converting the current environment

to use this feature. Which three items need to be conveyed to the network administrator

to implement GNS?

Because each cluster should have its own GNS, it must be allocated a unique

domain on which it can run.

The GNS daemon listens on the GNS VIP using port 53 for DNS requests.

GNS virtual IP address is a static IP address configured in the DNS.

If the server on which GNS is running fails, Oracle Clusterware fails GNS

over, along with the GNS VIP, to another node in the cluster.

Both GNS daemon and the GNS VIP run on seperate node in the server cluster.




Topic 8: RAC 12c New Features

Objective Level

Implement the available Oracle Flex ASM Configurations Practitioner

Migrate OCR and voting files from raw to Oracle ASM Practitioner

Configure Oracle ACFS and Oracle ADVM in Oracle Flex ASM Practitioner

Use the What If Command Evaluation Practitioner

Set up Oracle Flex ASM Practitioner

Perform administrative tasks on Oracle Flex ASM Practitioner

Change the mode of a standard Oracle Clusterware to an Oracle Flex Cluster Practitioner

Describe Flex ASM architecture Learner

Use SRVCTL to manage Flex ASM Practitioner

Describe the effects of failure in Flex Clusters Learner


Online Training

RAC 12c – New Features

OPN Boot Camps


Sample Questions

You have a 3-node RAC with Flex ASM. You suspect an issue with the Flex ASM

instance on node 2. The cardinality of the Flex ASM setup is 3. You want to stop the

Flex ASM on node 2, and only that one. Which two items will accomplish this?

Run the command: [grid@server1 ~]$ srvctl modify asm -count 2

Connect to the Flex ASM instance on node 2 and do a shutdown immediate.

Look up the PMON process for the Flex ASM on node 2 and kill it.

Run the command: [grid@server1 ~]$ srvctl modify asm -count -1

Wait until all connections to the Flex ASM instance are gone and then it will stop

automatically.




Which statement about Flex Clusters and node failures is incorrect?

Nodes that are evicted from the cluster do not require a restart, only a cluster

software restart.

If a Hub node fails, the node is evicted from the cluster and services are relocated

to other Hub nodes if possible.

Leaf nodes that are associated with failed Hub nodes are not evicted from

the cluster.

If a Leaf node fails, the node is evicted from the cluster and its services are

relocated to another Leaf node where possible.

The effect of a Leaf node failure is usually contained within the group of Leaf

nodes connected to the same Hub node.

Exam Registration Details

Full exam preparation details are available on the exam page Oracle Real Application Clusters 12c Essentials (1Z0-432),

including learning objectives, number of questions, time allowance, pricing and languages available.

The OPN Certified Specialist Exams appointments are available worldwide at Pearson VUE Testing Centers.

Reservations can be made via phone or online.

Candidates must have an Oracle Web Account to access CertView and check their exam results. In order to have their

certifications reflected on OPN Competency Center, both CertView and Pearson Vue accounts must be updated with the

current OPN Company ID. Your Company ID can be obtained by contacting your local Oracle Partner Business Center

or by signing in to your OPN account.

Additional Resources

OPN Guided Learning Paths & Assessments

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Oracle Real Application Clusters 12c Essentials

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