1z0-076の無料問題集（72題）、1z0-076認定試験参考書

Oracle 1z0-076 問題集

試験コード：1z0-076

試験名称：Oracle Database 19c: Data Guard Administration

最近更新時間：2024-04-27

問題と解答：全72問

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質問 1：
Which THREE statements are true about snapshot standby databases?
A. A snapshot standby database can have Real-Time apply enabled.
B. A snapshot standby database may be opened read-only.
C. FLASHBACK DATABASE must be manually enabled on a physical standby database before converting it into a snapshot standby database.
D. FLASHBACK DATABASE is enabled automatically on a physical standby database as part of the conversion into a snapshot standby database, if not already enabled.
E. FLASHBACK DATABASE is enabled automatically on a snapshot standby database after converting it from a physical standby database if not already enabled.
F. A snapshot standby database may be opened read-write.
正解：D,E,F
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Active Data Guard (ADG) databases are widely used to offload reporting or ad hoc query-only jobs from the primary database. Reporting workload profile is different from the primary database and often requires tuning.
Which tool is used to tune SQL workloads running on an ADG database?
A. Standby Statspack
B. SQL Tuning Advisor
C. Automatic Diagnostic Database Monitor (ADDM)
D. In-Memory Active Session History (ASH)
E. Automatic Workload Repository (AWR)
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Your Data Guard environment consists of these components and settings:
1. A primary database
2. A remote physical standby database
3. Real-time query is enabled.
4. The redo transport mode is set to SYNC.
5. The protection mode is set to Maximum Availability.
You notice that queries executed on the physical standby database receive errors: ORA-03172:
STANDBY_MAX_DATA_DELAY of 15 seconds exceeded. Which two would you recommend to avoid this error?
A. Reduce I/O latency for the storage used by the primary database.
B. Increase the network bandwidth between the primary and standby databases.
C. Change the protection mode to Maximum Performance.
D. Increase the number of standby redo log files on the primary database.
E. Change the protection mode to Maximum Protection.
F. Increase the size of the buffer cache on the standby database instance.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
You are using Data Guard in conjunction with Global Database Services.
You have a Data Guard Broker configuration called Sales and a GDS pool called Prod.
Which three are true concerning the management of the broker configuration when using GDS?
A. Adding a database to the Sales configuration with DGMGRL automatically adds the database to the Prod Pool.
B. Performing a role change with DGMGRL automatically notifies GDS which in turn activates the appropriate services.
C. DGMGRL may be used to add the Sales configuration to the Prod pool in gds.
D. Adding a database to the Sales configuration with DGMGRL requires that the Sales configuration be disabled first. It must then be enabled after the new database is added to the configuration.
E. DGMGRL may be used to add a single database to the Sales configuration even if Sales is a member of the Prod pool.
正解：B,C,E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which THREE are true about using flashback database in a Data Guard environment?
A. When a flashback database operation is performed on a primary database, a logical standby database is also flashed back automatically.
B. It may be used to flash back a physical standby that receives redo from a far sync instance.
C. When a flashback database operation is performed on a primary database, a physical standby database is also flashed back automatically.
D. You can use it when real-time apply is enabled in case the phylt may not be used to flash back a primary database after a failover to a logical standby.
E. It may not be used to flash back a primary database after a failover to a physical standby.
F. You can use it when real-time apply is enabled in case the physical standby suffers from logical corruption.
正解：B,E,F

質問 6：
Which THREE are among the various tasks performed by the Data Guard Monitor (DMON) process?
A. communicating with the DMON process of the observer to monitor a primary database in case a fast start failover is required
B. activating role-based services appropriately in the various database instances of the configuration, based on the database role
C. maintaining information about all members of the broker configuration in binary configuration files.
D. communicating with dkon processes in other database instances that are part of the broker configuration
E. performing role transitions when switchover requests are made
正解：B,C,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
The Oracle database 19c Observer is currently running on host1 and you wish to have it running on host2.
Examine this list of possible steps:
1) Stop the observer on host1
2) Disable Fast-Start Failover
3) Update the broker configuration with the new observer hostname
4) Enable Fast-Start Failover
5) Start the Observer on host2
Which contains the minimum required steps to move the observer to host2?
A. Execute tasks 1 and 5
B. Execute tasks 1, 2, 3, 4, and 5
C. Execute only task 5
D. Execute tasks 1, 3, and 5
正解：D
解説: (Topexam メンバーにのみ表示されます)

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Oracle Database 19c: Data Guard Administration 認定 1z0-076 試験問題:

1. Which TWO statements are true about Real-Time Query?

A) Setting standby_max_data_delay=0 requires synchronous redo transport.
B) Disabling Real-Time Query prevents the automatic start of redo apply when a physical standby databases opened read only.
C) A standby database enabled for Real-Time Query cannot be the Fast-Start Failover target of the Data Guard configuration.
D) Real-Time Query has no limitations regarding the protection level of the Data Guard environment.
E) Real-Time Query sessions can be connected to a Far Sync instance.

2. You created two remote physical standby databases using SQL and RMAN.
The primary database is a four-instance RAC database and each physical standby database has two instances.
Roles-based services are used for client connectivity and have been defined in the Grid Infrastructure.
Consider these operational requirements:
* The ability to manage multiple standby databases with a single tool
* The simplification of switchovers, failovers, reinstatements, and conversions to and from snapshot standby databases
* The automation of failovers to a specified target standby database
Which TWO tools can be used to fulfill these requirements7

A) DGMGRL
B) SRVCTL
C) CRSCTL
D) Enterprise Manager Cloud Control
E) SQL*Plus
F) RMAN
G) GDCCTL

3. Which three statements are true about snapshot standby databases?

A) Tablespaces can be dropped.
B) Tables can be dropped.
C) A logical standby database can be converted into a snapshot standby database.
D) The switchover TO command allows a switchover operation to a snapshot standby database.
E) The FATLOVER TO command results in a transition of a snapshot standby database to the primary role.
F) Tablespaces can be created.

4. Active Data Guard (ADG) databases are widely used to offload reporting or ad hoc query-only jobs from the primary database. Reporting workload profile is different from the primary database and often requires tuning.
Which tool is used to tune SQL workloads running on an ADG database?

A) Standby Statspack
B) SQL Tuning Advisor
C) Automatic Diagnostic Database Monitor (ADDM)
D) In-Memory Active Session History (ASH)
E) Automatic Workload Repository (AWR)

5. You must configure an Oracle Data..........
1. A primary database
2. A physical standby database
Examine these requirements: 1. Data loss is not permitted.
1. Data loss is not permitted.
2. It should be possible to convert the physical standby database to a snapshot standby database.
3. Under normal operations, transactions should commit when redo is written to disk on the primary database and as soon as it has been received by the standby database instance.
4. The availability of the primary database should not be compromised by the availability of the standby database.
5. It should be possible to convert the physical standby database to a logical standby database
6. It should be possible to deploy Real Application Clusters on the primary database.
7. It should be possible to deploy Real Application Clusters on the physical standby database.
You configure SYNC redo transport mode in combination with Maximum Protection mode.

A) 1, 2, 3, 4, 5, 6, and 7
B) 1, 2, 6, and 7
C) 1, 2, 3, 6, and 7
D) 1, 6, and 7
E) 1, 2, and 5

質問と回答：

質問 # 1
正解： A、B

質問 # 2
正解： A、D

質問 # 3
正解： A、B、F

質問 # 4
正解： E

質問 # 5
正解： A