Pass C1000-085 Brain Dump Updated Certification Sample Questions [Q28-Q43]

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Pass C1000-085 Brain Dump Updated Certification Sample Questions

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IBM C1000-085 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Install and upgrade SQL Extension toolkit
  • Leverage constraints in IBM Netezza Performance Server
  • Use the IBM Netezza Performance Server console
Topic 2
  • Manage the IBM Netezza Performance Server catalog
  • Configure and manage history data collection
Topic 3
  • Understanding the basics of platform management for IBM Netezza Performance Server
  • Design disaster recovery with IBM Netezza Performance Server
Topic 4
  • Manage User Defined Functions (UDF), User Defined Table Functions, User Defined Aggregates (UDA) and Shared Libraries
Topic 5
  • Monitor IBM Netezza Performance Server log files
  • Leverage external tables such as nz, migrate, S3, and nzload
Topic 6
  • Implement, control and monitor security aspects
  • Explain snippets, DBOS and Host – SPU interaction
Topic 7
  • Describe the system catalog, system tables and views
  • Explain IBM Netezza Performance Server storage layout
Topic 8
  • Explain transaction management, ACID and invisibility lists
  • Explain system states in IBM Netezza Performance Server
Topic 9
  • Define and use IBM Netezza Performance Server schemas and cross database access
  • Explain distribution keys
  • Describe tables and views

 

NEW QUESTION 28
When computing the row size for a table row, what overhead should be accounted for?

  • A. 48 bytes for ROWID, CREATEXID and DELETEXID only
  • B. 24 bytes for ROWID. CREATEXID and DELETEXID plus null vector if there are nullable columns and record header depending on string columns
  • C. 32 bytes for ROWID. CREATEXID and DELETEXID and a variable number of bytes for the null vector if there are nullable columns
  • D. 32 bytes for ROWID. CREATEXID, DELETEXID and the null vector

Answer: A

 

NEW QUESTION 29
Which statement regarding the IBM Netezza Performance Server (NPS) admin database user is true?

  • A. The admin user can not be deleted after installing NPS.
  • B. The admin user is the only owner of a database on NPS.
  • C. The admin user should be deleted after installing NPS.
  • D. The admin user is added to the host OS before installing NPS.

Answer: C

 

NEW QUESTION 30
Within a database session, which syntax allows a user to change to a different schema (NEW_SCHEMA)?

  • A. SET SCHEMA NEW_SCHEMA
  • B. ALTER SESSION SET SCHEMA=NEW_SCHEMA
  • C. SET CURRENT SCHEMA TO NEW_SCHEMA
  • D. ALTER DATABASE database name SET DEFAULT SCHEMA NEW SCHEMA

Answer: A

 

NEW QUESTION 31
What should be the state of the IBM Netezza Performance Server system in order to run the nz_manual_vacuum command?

  • A. stopped
  • B. online
  • C. paused
  • D. running

Answer: A

 

NEW QUESTION 32
What two files are extracted from the SQL Extension toolkit package?

  • A. libnetinza-version.tar gz
  • B. libnetcrypto-version.tar.gz
  • C. libnetsqlkit-version.tar.gz
  • D. libnetxml-version.tar.gz
  • E. libnetsqlext-version.tar.gz

Answer: A,C

 

NEW QUESTION 33
What happens to NFS mounts after a container failover?

  • A. Sysmgr will remount it as part of the IBM Netezza Performance Server environment
  • B. It will be automatically mounted by the ipsnfs service.
  • C. NFS is handled by Red Hat OpenShift and does not need to be mounted.
  • D. A containers do not allow for NFS mounts.

Answer: C

 

NEW QUESTION 34
What is required in order to restore a specific table using the nz_restore support tool?

  • A. The table structure (DDL) needs to exist
  • B. A table that is being restored must have the same name in the backup set.
  • C. The userspace must be provided
  • D. A table needs to be backed up by using nzbackup utility.

Answer: D

 

NEW QUESTION 35
How can a user update statistics on a table?

  • A. by restarting the database
  • B. by running GENERATE STATISTICS
  • C. by running a query against the table
  • D. by running UPDATE STATISTICS

Answer: D

 

NEW QUESTION 36
In IBM Netezza Performance Server, what storage file system is shared across the host containers?

  • A. IBM Spectrum Scale or General Parallel File System (GPFS)
  • B. 2 File System (ZFS)
  • C. NT File System (NTFS)
  • D. Glusterfs

Answer: C

 

NEW QUESTION 37
Which log file provides a DBA with an actual SQL statement that was executed?

  • A. clientmgr.log
  • B. pg.log
  • C. sysmgr.log
  • D. dbos.log

Answer: C

 

NEW QUESTION 38
To enable or disable multiple schema support on the IBM Netezza Performance Server, which configuration file needs to be updated?

  • A. postgresql.conf
  • B. pg_hba.conf
  • C. startup.cfg
  • D. system.cfg

Answer: A

 

NEW QUESTION 39
What are two primary purposes of UDX?

  • A. it is a required component of all Netezza SQL commands
  • B. to force execution only on the SPU nodes
  • C. to offer new and unique types of analyses through customized code
  • D. to accelerate analysis by processing data in-database
  • E. to showcase one's capability to write UDX code to duplicate existing SQL functions

Answer: D,E

 

NEW QUESTION 40
Consider a scenario where a customer has a FACT_SALES table with a column zip_code with data type char(5| They frequently restrict on this column, but the query is very inefficient.
What is the correct way to optimize this query without modifying the column?

  • A. Create a copy of FACT_SALES table with zip_code as integer data type.
  • B. alter table fact_sales to organize on zip_code. followed by groom.
  • C. Create a view with a typecast to integer and use view for query purposes
  • D. CREATE ORGANIZED view for FACT_SALES table

Answer: D

 

NEW QUESTION 41
What is the order of the operations of a typical snippet in a query plan?

Answer:

Explanation:

 

NEW QUESTION 42
Which two commands can be used to get a plan file for a query?

  • A. nz_get <planid>
  • B. nz_plan <planid>
  • C. nzsql -c "select plan_text from _v_plan"
  • D. nzsql -c "show planfile <planid>"
  • E. nzsql -c "get planfile <planid>"

Answer: A,D

 

NEW QUESTION 43
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