[多选题]In which two situations can you use Database Upgrade Assistant?
A. when the operating system(OS)needs to be changed as part of the upgrade
B. when multiple pluggable databases in a container database have to be upgraded in a specific
Sequence
C.when the hardware platform needs to be changed as part of the upgrade
D. when a character set conversion is required during the upgrade
E. when the target and source database are on the same platform

[单选题]Which feature can an administrator use for site availability with minimal effort and a low recovery point objective (RPO)? (Choose the best answer.)
A. vSphere vMotion
B. vSphere High Availability
C. vSphere Replication
D. vSphere Fault Tolerance

[多选题]10 Topic1Which two benefits can be achieved using in-band management of an NSX Bare Metal Edge Node? (Choose two.)
A.Reduces storage requirements.
B.Reduces cost.
C.Preserves packet locality.
D.Reduces egress data.
E.Preserves switchports.

[多选题]19 Topic1Which two resources can be used by an NSX architect during the Assessment Phase? (Choose two.)
A.vRealize Network Insight
B.VMware Validated Design
C.VMware customer references
D.key stakeholder interviews
E.application licensing

[多选题]Which two storage technologies can an administrator use to deploy the Virtual Machine File System
(VMFS)? (Choose two.)
A. Fibre Channel storage
B. vSAN storage
C. Virtual Volumes storage
D. NFS storage
E. iSCSI storage

[多选题]Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and
Later releases?
A.Space is only reclaimed when there is space pressure in the Fast Recovery Area(FRA、
B.Space is always reclaimed automatically when the retention period for Flashback logs is
Lowered
C.Space might be reclaimed proactively before space pressure occurs
D.Space is always reclaimed proactively before space pressure occurs
E. Space might be reclaimed automatically when the retention period for Flashback logs is
Lowered

[多选题]Which two performance tools can be used to monitor virtual machines outside the guest operating system? (Choose two.)
A. vCenter Server performance charts
B. Task Manager
C. top
D. esxtop
E. Perfmon

[多选题]In performance management, which two factors might reduce the ability of an application to
Scale to a larger number of users?
A. the number of data files containing extents belonging to tables updated by a transaction
B. issuing multiple savepoints during a transaction
C. poorly written SQL
D. poorly trained users who do not commit transactions
E. the number of tablespaces containing tables updated by a transaction

[多选题]Which two are true about Optimizer Statistics?
A. They are ignored by Optimizer if they are stale.
B. They provide real-time data about schema objects
C. By default, they are automatically gathered by a maintenance job
D. They are gathered by the SQL Tuning Advisor
E. They can be gathered by the DBMS_STATS package

[多选题]Which two are prerequisites for using FLASHBACK TABLE?
A. Row Movement must be enabled on the table being flashed back
B. A tables indexes must be set to unusable before issuing the flashback
C. A tables constraints must be disabled before issuing the flashback.
D. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must
Be granted to the user performing the flashbackE. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must
Be granted to the table owner

[多选题]Which two are true about duplicating pluggable databases(PDBS) with RMAN?
A. CDB$ROOT and PDBSSEED are automatically duplicated if a PDB is duplicated
B. A user with SYSDBA or SYSBKUP must use RMAN logged in to a PDB in order to duplicate
It.
C. Two or more PDBS can be duplicated with the same RMAN DUPLICATE command
D.The auxiliary instance is automatically created with ENABLE PLUGGABLE DATABASE
TRUE
E. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB

[多选题] in which two scenarios is incomplete recovery required?
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB?
(Choose two.)
A. After the change, only a common user with the required privilege can create an undo
Tablespace in CDB&ROOT.
B. Any new PDB and existing PDBs are automatically configured to use the default undo
Tablespace in CDB$ROOT.
C. After the change, only one undo tablespace can exist in CDB$ROOT.
D. After the change, any user with the required privilege can create an undo tablespace in the
PDBs.
E. Undo tablespaces existing in PDBs must be dropped before the change.
F. After the change, each existing PDB has to be reopened for the new undo mode to take effect.

[多选题]Which two vSphere features enable remote site availability? (Choose two.)
A. Proactive High Availability
B. vSphere Fault Tolerance
C. Cross vCenter Migration
D. vSphere vMotion
E. vSphere Replication

[多选题]Which two configuration tasks must be performed from the vCenter Server Management Interface? (Choose two.)
A. Add administrator accounts.
B. Add an Network Time Protocol (NTP) server.
C. Add a vCenter Server license.
D. Enable SSH login.
E. Change the logging level.

[多选题] You can use____to clean your hands and lips during a meal.
吃饭时你可以用_u来清洁手和嘴唇。
A. napkin 纸巾
B. tissue 纸巾
C. towel 毛巾
D. dish 菜

[多选题]Which two are true about the automatic execution of operating system scripts when performing
Silent mode installation starting from Oracle Database 19c?
A. The installer will prompt for the root or sudo password
B.Silent install always runs operating scripts automatically.
C. The response file can specify the root or sudo password
D.The response file must contain the root or sudo password
E. The response file can specify the path of the sudo program

[多选题]Which two are true about creating pluggable databases(PDBS)in Oracle 19c and later releases?
A. A PDB snapshot depends on an existing storage snapshot of the source PDB
B. A PDB snapshot can be a full copy of a source PDB
C. A PDB snapshot can be a sparse copy of a source PDB
D. A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB
E. A snapshot copy PDB can be a full copy of a source PDB

[多选题] Which two are true about RMAN duplexed backup sets?
A. They can be written to media
B. They can be created only by using the copies option of a BACKUP command
C. They can be created by using the RMAN CONFIGURE command to specify duplexing before
Taking a backup
D. They can be written only to disk.
E. They must be written to media

[多选题]Which two are true about creating RMAN backups for an Oracle container database?
A. Control file backups can be created while connected to cdb$root
B. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is
Connected to CDB$ROOT
C. Online Redo Log backups can be created while connected to CDB$ROOT.
D. Control file backups can not be created while connected to a PPB.
E. Archived Redo Log backups can be created while connected to PDB

[多选题] Which two are true about Oracle instance recovery?
A. Recovery begins from the beginning of the CURRENT redo log group.
B. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT
Log group if no other group is ACTIVE
C. Recovery begins from the last checkpoint position that was recorded in the control file by the
Checkpoint process (ckpt)
D. Recovery begins from the last checkpoint position that was calculated by the Database Writer
Before instance failure
E. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then
Rolls back any dead transactions
F. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions,
And then the database is opened