IBM C1000-122 Questions & Answers

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C1000-122


Db2 12 for z/OS DBA Fundamentals


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Question: 1


What is the purpose of the security labels in Db2 12 for z/OS?


  1. To enforce row-level security for the database

  2. To classify and protect sensitive data in the database

  3. To control access to the database objects


    wer: B


    anation: Security labels in Db2 12 for z/OS are used to classify and pr tive data in the database. They help enforce data access controls and re that only authorized users can view or modify sensitive information


    stion: 2

    does Db2 12 for z/OS handle data concurrency? y using row-level locking

    By using table-level locking

    By implementing optimistic concurrency control y implementing pessimistic concurrency control


    wer: A

    To audit and monitor user activity in the database Ans

Expl otect

sensi

ensu .


Que


How


A. B

B.

C.

D. B


Ans


Explanation: Db2 12 for z/OS handles data concurrency by using row-level locking. This means that only the specific rows being accessed by a transaction are locked, allowing other transactions to access different rows concurrently.


Question: 3

for z/OS database?


  1. SELECT XMLQUERY

  2. SELECT XMLTABLE

  3. SELECT XMLGEN

  4. SELECT XMLCAST



anation: The SELECT XMLTABLE statement is used to retrieve XM tored in a Db2 12 for z/OS database. It allows you to query XML dat ct specific elements or attributes from the XML document.


stion: 4


ch Db2 12 for z/OS object is used to enforce referential integrity traints?


ndex iew rigger

onstraint wer: D

anation: Constraints are Db2 12 for z/OS objects used to enforce refer

Answer: B


Expl L

data s a and

extra


Que


Whi cons


  1. I

  2. V

  3. T

  4. C


Ans


Expl ential

integrity constraints. They define rules that ensure the relationships between tables are maintained, such as ensuring the existence of related rows in a foreign key relationship.


Question: 5

  1. To determine the hardware requirements for the database

  2. To define the logical and physical structure of the database

  3. To create backup and recovery strategies for the database

    anation: The purpose of the database planning process in Db2 12 for z efine the logical and physical structure of the database. This include mining the table structures, indexes, tablespaces, and other storage iderations.


    stion: 6

    is the purpose of a database trigger in Db2 12 for z/OS? enforce data validation rules

    control access to the database objects monitor and log database activity optimize query execution plans


    wer: C


    anation: Database triggers in Db2 12 for z/OS are used to monitor and base activity. They can be defined to automatically execute certain act

    To establish security policies and access controls for the database Answer: B

Expl /OS

is to d s

deter cons


Que


What


  1. To

  2. To

  3. To

  4. To


Ans


Expl log

data ions,

such as logging changes to specific tables or performing additional data validation checks.


Question: 7


What is the purpose of application design in Db2 12 for z/OS?

  1. To optimize query performance

  2. To define the database schema

  3. To establish security policies for the application

  4. To create backup and recovery strategies for the application Answer: A

mize query performance. This includes designing efficient SQL statem ing appropriate indexes, and structuring the application code to mini base access and improve overall performance.


stion: 8

ch utility is used to load data into a Db2 12 for z/OS database? SNTIAUL

SNTIUL SNTIPTF SNTIAUL


wer: B


anation: The DSNTIUL utility is used to load data into a Db2 12 for z base. It allows you to efficiently insert large volumes of data into s,performing high-speed data loading operations.

Explanation: The purpose of application design in Db2 12 for z/OS is to

opti ents,

defin mize

data Que Whi

  1. D

  2. D

  3. D

  4. D


Ans


Expl /OS

data table


Question: 9


Which utility is used to perform database backup and recovery operations in Db2 12 for z/OS?


  1. DSNTIJRT

  2. DSNTIAUL

  3. DSNTIAUL

  4. DSNTIPRN


Answer: D


mental backups of the database and restore it to a previous state if ssary.

Explanation: The DSNTIPRN utility is used to perform database backup and recovery operations in Db2 12 for z/OS. It allows you to create full or

incre nece


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