testking oracle 9i 1z0-033
Visited 1420 times, 1 so far today
Exam 1z0-033: Oracle9i Database: Performance Tuning
Exam Number: 1Z0-033
Associated Certifications: Oracle9i DBA OCP
Exam Price: $125.00 USD
Exam Registration: Register
Duration: 120 minutes
Number of Questions: 65
Passing Score: 72%
Recommended Training and Preparation
The exam is based on Oracle9i Release 2
Oracle9i Database: Performance Tuning
Oracle9i Database Performance Tuning R2 Self-Study CD Course (NETg Oracle)
Self-Study CD-ROMs are an excellent tool to help you prepare for your exam. SSCDs reinforce the course material and allow you to focus on sections that you need to review. Note: the SSCDs do not count towards your course requirements for certification and should be used as a study aid only.
Additional Information & Resources
Practice Exams
Oracle authorized practice exam from Self Test Software. 1Z0-033 Oracle9i Database: Performance Tuning
Oracle authorized practice exam from Transcender: Cert-1Z0-033 : DBCert: 9i Database: Performance Tuning
Oracle9i DBA Certification Exam Candidate Guide
Exam Retake Policy
Sample Questions
Exam Topics
Overview of Oracle9i Performance Tuning
[ ] Describe the roles associated with the database tuning process
[ ] Describe the dependency between tuning in different development phases
[ ] Describe service level agreements
[ ] Describe appropriate tuning goals
[ ] Describe the most common tuning problems
[ ] Describe the tuning considerations during development and production
[ ] Describe performance and safety tradeoffs
Sizing the Buffer Cache
[ ] Describe how the buffer cache is used by different Oracle processes
[ ] Describe the tuning issues related to the buffer cache
[ ] Monitor the use of the buffer cache, also the different pools within the buffer cache
[ ] Implement dynamic SGA allocation
[ ] Set the DB_CACHE_ADVICE parameter
[ ] Create and size multiple buffer pools
[ ] Detect and resolve free list contention
Sizing other SGA Structures
[ ] Monitor and size the redo log buffer
[ ] Monitor and size the java pool
[ ] Control the amount of Java session memory used by a session
[ ] Configure the instance to use I/O Slaves
[ ] Configure and use multiple DBW processors
Monitoring and Detecting Lock Contention
[ ] Define levels of locking
[ ] Describe possible causes of contention
[ ] Use Oracle utilities to detect lock contention
[ ] Resolve contention in an emergency
[ ] Prevent locking problems
[ ] Recognize Oracle errors arising from deadlocks
Using Oracle Blocks Efficiently
[ ] Describe the correct usage of extents and Oracle blocks
[ ] Explain space usage and the high water mark
[ ] Determine the high water mark
[ ] Recover space from sparsely populated segments
[ ] Describe and detect chaining and migration of Oracle blocks
[ ] Perform index reorganization
[ ] Monitor indexes to determine usage
Diagnostic and Tuning Tools
[ ] Explain how the alert.log file is used
[ ] Explain how background trace files are used
[ ] Explain how user trace files are used
[ ] Describe the statistics kept in the dynamic performance views
[ ] Explain how StatsPack collects statisticsd
[ ] Collect statistics using StatsPack
[ ] Collect statistics using Enterprise Manager
[ ] Use other tuning tools
Database Configuration and I/O Issues
[ ] Explain the advantages of distributing different Oracle file types
[ ] Describe reasons for partitioning data in tablespaces
[ ] Diagnose tablespace usage problems
[ ] Describe how checkpoints work
[ ] Monitor and tune checkpoints
[ ] Monitor and tune redo logs
Optimize Sort Operations
[ ] Describe how sorts are performed
[ ] Identify the SQL operations which require sorts
[ ] Differentiate between disk and memory sorts
[ ] Create and monitor temporary tablespaces
[ ] Reduce total sorts and disk sorts
[ ] Determine the number of sorts performed in memory
[ ] Set old and new sort parameters
Tuning Oracle Shared Server
[ ] Identify issues associated with managing users in a Shared Server environment
[ ] Diagnose and resolve performance issues with Oracle Shared Server processes
[ ] Configure the Oracle Shared Server environment to optimize performance
Application Tuning
[ ] Describe the role of the DBA in tuning Applications
[ ] Explain different storage structures, and why one storage structure may be preferred over another
[ ] Explain the different types of indexes
[ ] Explain Index Organized Tables
[ ] Describe partitioning methods
[ ] Explain the use of the DBMS_STATS procedure
[ ] Describe Materialized Views and use of Query Rewrites
[ ] List requirements for OLTP, DSS and Hybrid Systems
SQL Statement Tuning
[ ] Describe how the Optimizer is used
[ ] Explain the concept of plan stability
[ ] Use stored outlines
[ ] Describe how hints are used
[ ] Use SQL Trace and TKPROF
[ ] Collect statistics on indexes and tables
[ ] Describe the use of histograms
[ ] Copy statistics between databases
Sizing the Shared Pool
[ ] Measure and tune the library cache hit ratio
[ ] Measure and tune the dictionary cache hit ratio
[ ] Size and pin objects in the shared pool
[ ] Tune the shared pool reserve space
[ ] Describe the UGA and session memory considerations
[ ] Explain other tuning issues related to the shared pool
[ ] Set the large pool
Diagnosing Contention For Latches
[ ] Describe the purpose of latches
[ ] Describe the different types of latch request
[ ] Diagnose contention for latches
[ ] Tune the appropriate resources to minimize latch contention
Tuning the Operating System and Using Resource Manager
[ ] Describe different system architectures
[ ] Describe the primary steps of OS tuning
[ ] Identify similarities between OS and DB tuning
[ ] Understand virtual memory and paging
[ ] Explain the difference between a process and a thread
[ ] Set up Database Resource Manager
[ ] Assign users to Resources Manager groups
[ ] Create resource plans within groups
Oracle Certification Program Fraudulent Activity Policy
Oracle reserves the right to take action against any candidate involved in fraudulent activities, including, but not limited to, fraudulent use of vouchers, promotional codes, reselling exam discounts and vouchers, cheating on an exam, alteration of score reports, alteration of completion certificates, violation of exam retake policies or other activities deemed fraudulent by Oracle.
If Oracle determines, in its sole discretion, that fraudulent activity has taken place, it reserves the right to take action up to and including, but not limited to, decertification of a candidate’s Oracle Certified Associate, Oracle Certified Professional and/or OCM credentials, temporary, indefinite or permanent ban of a candidate from Oracle certification programs, notification to a candidate’s employer, and notification to law enforcement agencies. Candidates found committing fraudulent activities forfeit all fees previously paid to Oracle, or to Oracle’s authorized vendors, and may be required to pay additional fees for services rendered.
View the Oracle Certification Program Candidate Agreement which requires your agreement before the start of each exam.
Recommended Training about 1z0-033 exam PDF
The following courses are the recommended training for 1z0-033 exam PDF.
1z0-033 Q & A with Explanations
1z0-033 Audio Exam
1z0-033 Study Guide
1z0-033 Preparation Lab
1z0-033 Exam: Freetestking’s orcacie9i database:performance tuning PDF
The orcacie9i database:performance tuning PDF for preparing for the 1z0-033 exam – Freetestking’s orcacie9i database:performance tuning. Freetestking is your premier source for practice tests, and true testing environment. Nothing will prepare you for your next exam like a Freetestking. You find it all here at certbible.org.
QUESTION 1:
Which two statements regarding OLTP systems are true? (Choose two)
A. Use literals for optimally shared SQL rather than bind variables to keep the overhead
of parsing to a minimum.
B. To avoid the performance load of dynamic space allocation, allocate space explicitly
so tables, clusters and indexes.
C. B-tree indexing is preferred to bitmap indexing, because of locking issues affecting
DML operations.
D. Use hash clusters especially on tables that are heavily inserted into, because of the use
of space and the number of blocks that need to be visited.
E. Use application code to enforce rules instead of constraints, because constraints are extremely expensive to process.
Answer: B, C Explanation:
Online Transaction Processing (OLTP) systems tend to be accessed by large numbers of users doing short DML transactions. Users of OLTP systems are primarily concerned
with throughput: the total time it takes to place an order, remove an item from inventory,
or schedule an appointment. To avoid the performance load of dynamic space allocation, you need to allocate space explicitly so tables, clusters and indexes. Bitmap indexes will
not work good for the OLTP systems because of locking issues affecting DML
operations. B-tree indexes can handle this easier and effectively. Incorrect Answers
A: You cannot use literals for optimally shared SQL rather than bind variables because of nature of OLTP systems: they work effectively using bind variables because of
performing DML operations.
D: Hash clusters work more effective for DSS (Decision Support Systems): high level inserts and updates will eliminate the advantage of hash clusters which require lower level of DML activity as DSS systems provide.
E: Constraints are not expensive to process: they need to be used to avoid additional application code creation to enforce a business rules.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 187-188
Chapter 3: SQL Application Tuning and Design
QUESTION 2:
When performing a sort operation, you notice that there are a large number of sorts requiring I/0 to the disk. Which parameter could be increased to allow more sorts to be performed in memory?
A. SORT_AREA_SIZE
B. LARGE_POOL_SIZE
TK
1Z0-033
C. SORT_AREA_RETAINED_SIZE
D. SORT_MULTIBLOCK_READ_COUNT Answer: A
Explanation:
The amount of memory set aside for each user’s Server Process to perform these sort operations is impacted by the following init.ora parameters: SORT_AREA_SIZE, SORT_AREA_RETAINED_SIZE, PGA_AGGREGRATE_TARGET, WORKAREA_SIZE_POLICY. The default value for SORT_AREA_SIZE is
OS-dependent. The minimum size for this parameter is equivalent to six Oracle blocks. The maximum size is OS-dependent. SORT_AREA_SIZE specifies how much memory each user’s Server Process should set aside to perform in-memory sort operations.
Incorrect Answers
B: LARGE_POOL_SIZE parameter is used to buffer I/O server processes as well as backup and recovery. It also caches session data when the Shared Server feature is used.
C: Once a sort operation is complete, if the sort area still contains sorted rows that need
to be returned to the user, the user’s Server Process reduces the memory set aside for the final fetch to the value specified by SORT_AREA_RETAINED_SIZE.
D: SORT_MULTIBLOCK_READ_COUNT specifies the number of database blocks to read each time a sort performs a read from a temporary segment. Temporary segments
are used by a sort when the data does not fit in SORT_ARE_SIZE of memory. In these situations, sort writes out sections of data to temporary segments in the form of sorted runs. Once all the data has been partially sorted to these runs, sort merges the runs by reading pieces of them from the temporary segment into memory to produce the final sorted output. If SORT_AREA_SIZE is not large enough to merge all the runs at once, subsets of the runs are merged in a number of merge passes.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 412-413
Chapter 8: Tuning Disk I/O
QUESTION 3:
Which statement could require a sort? A. SELECT DISTINCT dept_id
FROM emp:
B. UPDATE emp SET salary=salary*1.1
WHERE id=7722;
C. SELECT emp_id, name
FROM emp
WHERE emp-id=7722;
D. SELECT emp_id, name
FROM emp
WHERE emp_id BETWEEN7722and7100; Answer: A
TK
1Z0-033
Explanation:
The types of SQL statements that can cause database sorts to occur include the following: ORDER BY, GROUP BY, SELECT DISTINCT, UNION, INTERSECT, MINUS, ANALYZE, CREATE INDEX, joins between tables on columns that are not indexed. Incorrect Answers
B: This UPDATE statement does not require any sort operation. C: This SELECT statement does not require any sort operation.
D: Usage of BETWEEN clause in the SELECT statement will not cause any sort operation.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 411-412
Chapter 8: Tuning Disk I/O
QUESTION 4:
Which two views can be used to detect lock contention? (Choose two) A. V$LOCK
B. V$LOCKED_OBJECT
C. V$LOCK_CONTENTION Answer: A, B
Explanation:
When left to its default mechanisms, Oracle generally does a very effective job of managing locking. When it does occur, lock contention can be identified using the
V$LOCK and V$LOCKED_OBJECT dynamic performance views, the DBA_WAITERS and DBA_BLOCKS data dictionary views, and the OEM Performance Manager GUI. Incorrect Answers
C: There is no V$LOCK_CONTENTION data dictionary view in Oracle.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 487-489
Chapter 9: Tuning Contention
QUESTION 5:
The database includes tables with static data, which are used for queries only. To which size should you set PCTFREE for this type of table?
A. 0
B. 50
C. 20
D. 10
Answer: A Explanation:
TK
1Z0-033
PassGuide offers free demo for Certification Exams You can check out the interface, question quality and usability of our practice exams before you decide to buy it. We are the only one site can offer demo for almost all products. Download links:http://demo.passguide.com/downloadThe parameter PCTFREE tells Oracle how much space to set aside in each block to store
row updates. Since we have a database with static data, PCTFREE can be set to 0 to use the disk space more effectively.
Incorrect Answers
B: By setting this parameter to 50 you will preserve 50% of data block for the future inserts. It will be just space wasting because of static nature of data inside the tables.
C: This size still cannot be considered as appropriate for the database with static data.
D: You can use this size for the database with minimal level of update activity. OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 401
Chapter 8: Tuning Disk I/O
QUESTION 6:
Which action could potentially cause checkpoints to take longer? A. Increasing the number of redo log groups.
B. Increasing the size of rollback segments.
C. Decreasing the value of the REDO_LOG_BUFFERS parameter.
D. Increasing the value of the FAST_START_IO_TARGET parameter. Answer: D
Explanation:
By increasing the FAST_START_IO_TARGET parameter you tell Oracle that it can use more time to perform recovery after instance crash. So it will cause that checkpoints will take longer. This parameter supersede the FAST_START_MTTR_TARGET parameter if configured. The FAST_START_MTTR _TARGET init.ora parameter is used to specify a mean time (in seconds) to recover the instance following an instance failure.
Incorrect Answers
A: By increasing the number of redo log groups you will not decrease a time for checkpoints.
B: The size of rollback segments has nothing to do with checkpoints duration. C: There is no REDO_LOG_BUFFERS parameter in Oracle.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 343-345
Chapter 7: Tuning Redo Mechanisms
QUESTION 7:
When a deadlock shutdown is detected by Oracle, where is the trace file generated? A. SQL_TRACE
B. TRACE_DEST
C. USER_DUMP_DEST D. CORE_DUMP_DEST
E. BACKGROUND_DUMP_DEST
In a database environment, the need to have a good database program that runs and works correctly is the most important part of any company. To do this there must be a way to establish performance tuning and monitoring to make sure nothing goes wrong.
As a technician or network administrator, when you go for the 1z0-032: Oracle9i Database: Performance Tuning test, your job will be to prove you have the skills to tune up the database. This tuning will include what is involved in the actual tuning process. Each stage of the database will be explained as to how it relates to the performance tuning process. You will also have to find the most common tuning procedure that will provide a solution to most database problems that occur. You will have to explain how to configure the database, including all I/O issues. There is so much more covered in the exam. This is why you need a well-rounded knowledge of Oracle9i, especially the performance side of it. If you can prove all this successfully on the test, you will have gained a certification in Oracle9i Database: Performance Tuning.
The test contains 65 questions and takes roughly 120 minutes to complete. You would need a passing score of 72% to pass and get your certification.
Interactive Testing 1z0-033 Engine Included!
467 Questions
Updated : 09/18/2008
Price : $87.99 $79.99
Exam Number/Code:1z0-033
Exam Name: orcacie9i database:performance tuning
Testking 1z0-033 Exam will provide you with exam simulation questions and actual answers that reflect the actual exam
Preparing for the Testking 1z0-033 exam?Searching 1z0-033 Test Questions,
1z0-033 Practice Exam,1z0-033 Braindumps ? 1z0-033 practice exam covers all the practice test objectives to pass 1z0-033 exam.
Pass your exam at first attempt with our Testking 1z0-033 study guide,1z0-033 Braindumps, As well Audio exam, Realistic Practice Labs, and Interactive Testing Engine.
Our Testking practice test covers the information associated with each 1z0-033 exam topics in details and includes information found in no other practice test sites on the web.
Our challenging questions with Correct Answers built to simulate the actual exam. Unlimited, FREE auto-updates so you’re never behind on any topic. The whole package comes as an automatic download so there’s no waiting or shipping. Our most questions and answers along with explanations. Our practice test will determine you to take your 1z0-033 certification exam and pass the official exam on your first try, guaranteed
Now guaranteed Testking 1z0-033 exam training is available in various formats to best suit your needs and learning style. Whether you are a hands-on tactile learner, visually or even a textbook training veteran, Real-Exams has the 1z0-033 pdf vce format resources that will enable you to pass your 1z0-033 test with flying colors.
Comprehensive questions with complete explanations about actualtests 1z0-033 exam
download 1z0-033 exam questions accompanied by exhibits
Verified Answers Researched by Industry Experts and almost 100% correct
1z0-033 exam questions updated on regular basis
Oracle 1z0-033 Transcender Torrent
Oracle 1z0-033 P4S
Oracle 1z0-033 Study Guide
Oracle 1z0-033 Exams
Oracle 1z0-033 Braindumps
Oracle 1z0-033 Pass4sure
Oracle 1z0-033 Real Exams
Oracle 1z0-033 Exam
Oracle 1z0-033 Actual Tests
Oracle 1z0-033 Pdf
1z0-033 also gives new editions of Real Exams 1z0-033 for enhancing professional skills and knowledge. These Testking Real Practice Questions 000-710 are useful for understanding 1z0-033 exam terminologies and these brain dumps also very useful for enhancing people brain power. These Testking Real Practice Questions 1z0-033 are prepare by highly qualified and 1z0-033 professionals. 1z0-033 Certification experts’ teams always try to give you real exam environment in these 4shared training materials links.
QUESTION 1:
Which two statements regarding OLTP systems are true? (Choose two)
A. Use literals for optimally shared SQL rather than bind variables to keep the overhead
of parsing to a minimum.
B. To avoid the performance load of dynamic space allocation, allocate space explicitly
so tables, clusters and indexes.
C. B-tree indexing is preferred to bitmap indexing, because of locking issues affecting
DML operations.
D. Use hash clusters especially on tables that are heavily inserted into, because of the use
of space and the number of blocks that need to be visited.
E. Use application code to enforce rules instead of constraints, because constraints are
extremely expensive to process.
Answer: B, C
Explanation:
Online Transaction Processing (OLTP) systems tend to be accessed by large numbers of
users doing short DML transactions. Users of OLTP systems are primarily concerned
with throughput: the total time it takes to place an order, remove an item from inventory,
or schedule an appointment. To avoid the performance load of dynamic space allocation,
you need to allocate space explicitly so tables, clusters and indexes. Bitmap indexes will
not work good for the OLTP systems because of locking issues affecting DML
operations. B-tree indexes can handle this easier and effectively.
Incorrect Answers
A: You cannot use literals for optimally shared SQL rather than bind variables because of
nature of OLTP systems: they work effectively using bind variables because of
performing DML operations.
D: Hash clusters work more effective for DSS (Decision Support Systems): high level
inserts and updates will eliminate the advantage of hash clusters which require lower
level of DML activity as DSS systems provide.
E: Constraints are not expensive to process: they need to be used to avoid additional
application code creation to enforce a business rules.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 187-188
Chapter 3: SQL Application Tuning and Design
QUESTION 2:
When performing a sort operation, you notice that there are a large number of sorts
requiring I/0 to the disk. Which parameter could be increased to allow more sorts to be
performed in memory?
A. SORT_AREA_SIZE
B. LARGE_POOL_SIZE
C. SORT_AREA_RETAINED_SIZE
D. SORT_MULTIBLOCK_READ_COUNT
Answer: A
Explanation:
The amount of memory set aside for each user’s Server Process to perform these sort
operations is impacted by the following init.ora parameters: SORT_AREA_SIZE,
SORT_AREA_RETAINED_SIZE, PGA_AGGREGRATE_TARGET,
WORKAREA_SIZE_POLICY. The default value for SORT_AREA_SIZE is
OS-dependent. The minimum size for this parameter is equivalent to six Oracle blocks.
The maximum size is OS-dependent. SORT_AREA_SIZE specifies how much memory
each user’s Server Process should set aside to perform in-memory sort operations.
Incorrect Answers
B: LARGE_POOL_SIZE parameter is used to buffer I/O server processes as well as
backup and recovery. It also caches session data when the Shared Server feature is used.
C: Once a sort operation is complete, if the sort area still contains sorted rows that need
to be returned to the user, the user’s Server Process reduces the memory set aside for the
final fetch to the value specified by SORT_AREA_RETAINED_SIZE.
D: SORT_MULTIBLOCK_READ_COUNT specifies the number of database blocks to
read each time a sort performs a read from a temporary segment. Temporary segments
are used by a sort when the data does not fit in SORT_ARE_SIZE of memory. In these
situations, sort writes out sections of data to temporary segments in the form of sorted
runs. Once all the data has been partially sorted to these runs, sort merges the runs by
reading pieces of them from the temporary segment into memory to produce the final
sorted output. If SORT_AREA_SIZE is not large enough to merge all the runs at once,
subsets of the runs are merged in a number of merge passes.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 412-413
Chapter 8: Tuning Disk I/O
QUESTION 3:
Which statement could require a sort?
A. SELECT DISTINCT dept_id
FROM emp:
B. UPDATE emp SET salary=salary*1.1
WHERE id=7722;
C. SELECT emp_id, name
FROM emp
WHERE emp-id=7722;
D. SELECT emp_id, name
FROM emp
WHERE emp_id BETWEEN7722and7100;
Answer: A
Explanation:
The types of SQL statements that can cause database sorts to occur include the following:
ORDER BY, GROUP BY, SELECT DISTINCT, UNION, INTERSECT, MINUS,
ANALYZE, CREATE INDEX, joins between tables on columns that are not indexed.
Incorrect Answers
B: This UPDATE statement does not require any sort operation.
C: This SELECT statement does not require any sort operation.
D: Usage of BETWEEN clause in the SELECT statement will not cause any sort
operation.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 411-412
Chapter 8: Tuning Disk I/O
QUESTION 4:
Which two views can be used to detect lock contention? (Choose two)
A. V$LOCK
B. V$LOCKED_OBJECT
C. V$LOCK_CONTENTION
Answer: A, B
Explanation:
When left to its default mechanisms, Oracle generally does a very effective job of
managing locking. When it does occur, lock contention can be identified using the
V$LOCK and V$LOCKED_OBJECT dynamic performance views, the DBA_WAITERS
and DBA_BLOCKS data dictionary views, and the OEM Performance Manager GUI.
Incorrect Answers
C: There is no V$LOCK_CONTENTION data dictionary view in Oracle.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 487-489
Chapter 9: Tuning Contention
QUESTION 5:
The database includes tables with static data, which are used for queries only. To which
size should you set PCTFREE for this type of table?
A. 0
B. 50
C. 20
D. 10
Answer: A
Explanation:
The parameter PCTFREE tells Oracle how much space to set aside in each block to store
row updates. Since we have a database with static data, PCTFREE can be set to 0 to use
the disk space more effectively.
Incorrect Answers
B: By setting this parameter to 50 you will preserve 50% of data block for the future
inserts. It will be just space wasting because of static nature of data inside the tables.
C: This size still cannot be considered as appropriate for the database with static data.
D: You can use this size for the database with minimal level of update activity.
OCP: Oracle 9i Performance Tuning Study Guide, Joseph C. Johnson, p. 401
Chapter 8: Tuning Disk I/O
QUESTION 6:
Which action could potentially cause checkpoints to take longer?
A. Increasing the number of redo log groups.
B. Increasing the size of rollback segments.
C. Decreasing the value of the REDO_LOG_BUFFERS parameter.
D. Increasing the value of the FAST_START_IO_TARGET parameter.
Answer: D
Testking 1z0-033
TK Questions&Answers(Q & As with Expert Explanations): 501 Q&A
Update: 06/11/2008
Free Down: Testking 1z0-033
Free Down: Pass4sure 1z0-033
Dowload PassGuide Practice Test Questions
8 Comments on “testking oracle 9i 1z0-033”