Download DB2 11.1 Fundamentals for LUW.C2090-616.Pass4sures.2019-02-21.63q.vcex
| Vendor: | IBM |
| Exam Code: | C2090-616 |
| Exam Name: | DB2 11.1 Fundamentals for LUW |
| Date: | Feb 21, 2019 |
| File Size: | 75 KB |
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Demo Questions
Question 1
You are asked to provide a recommendation for the appropriate DB2 edition for a new application. The application is characterized by long, complex queries that select a subset of columns and often perform grouping and aggregation. The initial database size is estimated at 5 TB, with growth of about 100 GB per year. Keep data size on disk to a minimum is a priority?
Which of the following editions would be best meet the described needs?
- DB2 Express-C
- DB2 Enterprise Server Edition
- DB2 Workgroup Server Edition
- DB2 Advanced Enterprise Server Edition
Correct answer: D
Explanation:
Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-1304whatsnewdb2105/index.html Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-1304whatsnewdb2105/index.html
Question 2
Which of the following editions of DB2 include support for Federation with Oracle database?
- DB2 Express-C
- DB2 Developer Edition
- DB2 Enterprise Server Edition
- DB2 Workgroup Server Edition
Correct answer: C
Explanation:
Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-1311db2compare/index.html Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-1311db2compare/index.html
Question 3
Which three facilities are used to control authorization in DB2?
- privileges, db2ssh, LBAC credentials
- privileges, authority levels, certificates
- db2ssh, trusted contexts, authority levels
- privileges, authority levels, LBAC credentials
Correct answer: D
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/zh/SSEPGG_9.5.0/com.ibm.db2.luw.admin.sec.doc/doc/c0006307.html Reference: https://www.ibm.com/support/knowledgecenter/zh/SSEPGG_9.5.0/com.ibm.db2.luw.admin.sec.doc/doc/c0006307.html
Question 4
Which database object can be locked explicitly?
- Row
- View
- Index
- Table
Correct answer: D
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/hr/SSEPGG_9.7.0/com.ibm.db2.luw.admin.perf.doc/doc/c0005270.html Reference: https://www.ibm.com/support/knowledgecenter/hr/SSEPGG_9.7.0/com.ibm.db2.luw.admin.perf.doc/doc/c0005270.html
Question 5
What happens when you run the following statement if MYUSER holds no privileges on table MYTABLE?
REVOKE SELECT ON TABLE mytable FROM USER myuser
- An error is returned
- An entry is mane in SYSCAT.TABAUTH
- The REVOKE statement succeeds with no effect
- All privileges are granted to user MYUSER on MYTABLE
Correct answer: C
Question 6
A user executes the following statements:
СREATE TABLE t1 (c1 INT, c2 INT);
CREATE ALIAS a1 FOR t1;
What will be the result if the user executes the following statement?
DROP ALIAS a1;
- The alias A1 will be dropped
- The table T1 will be dropped
- Both T1 and A1 will be dropped
- Nothing, the statement will result in an error
Correct answer: A
Question 7
Which constraint can be used to ensure that identical values are never stored in a set of columns in a table?
- NOT NULL
- Foreign key
- Primary key
- Informational constraint
Correct answer: C
Explanation:
Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-0401melnyk/index.html Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-0401melnyk/index.html
Question 8
Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work?
- A ROLLBACK command executed just after the COMMIT command cancels that COMMIT
- Save points defined during transaction T1 are released only if there is a RELEASE SAVEPOINT command executed after the COMMIT command
- It finishes the current T1 unit of work and a new one is initiated, however it is possible to ROLLBACK to the latest SAVEPOINT before COMMIT
- It finishes the current T1 unit of work and a new one is initiated. All changes made by UPDATE and DELETE commands during unit of work T1 are committed
Correct answer: D
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPEK_10.0.0/sqlref/src/tpc/db2z_sql_commit.html Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPEK_10.0.0/sqlref/src/tpc/db2z_sql_commit.html
Question 9
Which of the following statements about stored procedures is TRUE?
- Stored procedures can be written in SQL PL, but not in the PL/SQL dialect
- The CREATE SOURCED PROCEDURE statement defines a procedure that is based on another procedure in a federated database
- There are three types of stored procedures which can be deployed: SQL procedures, external procedures, and sourced procedures
- Two identically-named procedures within a schema are permitted to have exactly the same number of parameters, but the parameters must have different data types assigned
Correct answer: B
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.1.0/com.ibm.db2.luw.sql.ref.doc/doc/r0023603.html Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.1.0/com.ibm.db2.luw.sql.ref.doc/doc/r0023603.html
Question 10
Which edition of DB2 LUW has been discontinued in v11.1?
- DB2 Developer Edition
- DB2 Express Server Edition
- DB2 Enterprise Server Edition
- DB2 Connect Enterprise Server Edition
Correct answer: B
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.licensing.doc/doc/r0053238.html Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.licensing.doc/doc/r0053238.html
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