Oracle 1z1-068

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Oracle 1z1-068 Exam Overview:

Oracle 1z1-068 Exam Syllabus Topics:

Your 1z1-068 Exam Questions, Answered

What is the 1z1-068 exam all about?

The Oracle Database 12c: RAC and Grid Infrastructure Administrator exam (code: 1z1-068) is the official Oracle exam that leads to the Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification. It sits at the Expert level of the Oracle certification track. It is also connected with related credentials such as Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, Oracle Database SQL Certified Expert. Passing it proves to employers that your skills have been validated by Oracle itself, which is why the 1z1-068 credential keeps showing up in job postings.

How many questions are in the 1z1-068 exam, and how long does it take?

The Oracle Database 12c: RAC and Grid Infrastructure Administrator exam gives you 120 minutes to work through 77. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the 1z1-068 exam, and how much does it cost?

The passing score for the Oracle Database 12c: RAC and Grid Infrastructure Administrator exam is 64%, and the official registration fee is USD 245 (varies by region). Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above 64%.

Are there any prerequisites for the 1z1-068 exam?

According to Oracle, the following applies: Active Oracle Database 11g/12c Administrator Certified Professional or Oracle Database SQL Certified Expert; 12–18 months of relevant experience recommended. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://education.oracle.com/oracle-database-12c-rac-and-grid-infrastructure-administration/pexam_1Z0-068 before you register.

How do I register for the 1z1-068 exam?

You can book your Oracle Database 12c: RAC and Grid Infrastructure Administrator exam through the official channels below:

• Oracle University Registration
• Pearson VUE

Depending on availability in your region, the exam is delivered as Online proctored or on-site at Pearson VUE test centers.

What official training does Oracle recommend for the 1z1-068 exam?

Oracle lists the following training options for Oracle Database 12c: RAC and Grid Infrastructure Administrator candidates:

• Oracle Database 12c: Clusterware Administration
• Oracle Database 12c: ASM Administration
• Oracle Database 12c: RAC Administration

Official courses build a solid foundation, and pairing them with the 152 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the 1z1-068 practice questions before buying?

Yes. Dumpkiller offers a free 1z1-068 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Oracle Database 12c: RAC and Grid Infrastructure Administrator material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the 1z1-068 exam, and how is my order delivered?

If you take the corresponding 1z1-068 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the 1z1-068 exam?

The official Oracle Database 12c: RAC and Grid Infrastructure Administrator syllabus is organized into 7 main domains. The first three are Oracle Clusterware Architecture and Administration (20%), Backup and Recovery for RAC (10%), and Automatic Storage Management (ASM) (18%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

Oracle Database 12c: RAC and Grid Infrastructure Administrator Sample Questions:

Question #1

Which three statements are true concerning the Automatic Workload Repository (AWR) in a RAC environment?

A. Taking an AWR snapshot in a RAC database captures data from all instances that have the database opened.
B. The awr_snapshot_time_offset parameter specifies the number of seconds each instance waits after the top of the hour before taking its AWR snapshot.
C. Taking an AWR snapshot in a RAC database captures data from the local instance only.
D. Data captured by an AWR is aggregated across all instances before being stored in the database.
E. AWR snapshots are created when control_management_pack_access is set to "none"

Question #2

Which three statements are true about Global Resource Management in an Oracle 12c RAC database?

A. Global Enqueue resources are recovered after Global Cache Resources after an instance failure.
B. When a database instance fails, then some global resource masters lost from the failing instance are remastered among the surviving instances.
C. Lazy remastering instances occurs when an instance shuts with SHUTDOWN TRANSACTIONAL.
D. Object remastering causes all blocks in any instances' buffer cache from the same object to be mastered in the Global Resource Directory (GRD).
E. Lazy remastering occurs when an instance shuts with SHUTDOWN IMMEDIATE.

Question #3

Disk group DGRP1 has these attributes:
1. Normal redundancy
2. Two failure groups FG1 and FG2 with two disks each
3. Compatibility settings set to 12.1
The FG1 failure group goes offline due to hardware failure.
Which two statements are true? (Choose two.)

A. New allocation units are not mirrored but changes to allocation units are tracked in the FG2 failure group.
B. New allocation units are mirrored in the FG2 failure group until FG1 is restored and the disk group resynchronized.
C. The redundancy is lowered until the FG1 failgroup is restored and the disk group resynchronized.
D. Transactions on database objects stored in tablespaces in the DGRP1 disk group fail.

Question #4

Which two statements are true concerning Oracle 12c Clusterware-managed application VIPs? (Choose two.)

A. An application VIP is created on the interconnect network by the crsctl utility.
B. If an application sends messages to be displayed and sets the DISPLAY variable, then an application VIP is required.
C. Application VIPs do not fail over to surviving cluster nodes when the node hosting the VIP fails.
D. An application VIP can be created with the crsctl utility.
E. An application VIP is created on the default network by the appvipcfg utility.

Question #5

You administer a RAC database that currently runs on a four-node cluster but which has three instances.
Which two statements are always true about redo logs for this RAC database? (Choose two.)

A. A redo log group added using ALTER DATABASE ADD LOGFILE without the INSTANCE clause is added to each instance.
B. A thread of redo is automatically dropped when an instance is removed from a RAC database by using SRVCTL.
C. A thread of redo must be created before starting a fourth instance if a thread is not already available.
D. A thread of redo must contain at least two log groups before it can be enabled.
E. All the instances must have the same number of redo log groups and each group must have the same number of redo log members.

Solutions: