更多"[多选题]Which two are prerequisites fo"的相关试题:
[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 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$ROOT.
D. After the change, any user with the required privilege can create an undo tablespace in the
PDBs.
E. Undo tablespaces existing in PDBs must be dropped before the change.
F. After the change, each existing PDB has to be reopened for the new undo mode to take effect.
[多选题]Which two vSphere features enable remote site availability? (Choose two.)
A. Proactive High Availability
B. vSphere Fault Tolerance
C. Cross vCenter Migration
D. vSphere vMotion
E. vSphere Replication
[多选题]Which two are true about the automatic execution of operating system scripts when performing
Silent mode installation starting from Oracle Database 19c?
A. The installer will prompt for the root or sudo password
B.Silent install always runs operating scripts automatically.
C. The response file can specify the root or sudo password
D.The response file must contain the root or sudo password
E. The response file can specify the path of the sudo program
[多选题] Which two are true about Oracle instance recovery?
A. Recovery begins from the beginning of the CURRENT redo log group.
B. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT
Log group if no other group is ACTIVE
C. Recovery begins from the last checkpoint position that was recorded in the control file by the
Checkpoint process (ckpt)
D. Recovery begins from the last checkpoint position that was calculated by the Database Writer
Before instance failure
E. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then
Rolls back any dead transactions
F. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions,
And then the database is opened
[多选题]Which two are true about creating RMAN backups for an Oracle container database?
A. Control file backups can be created while connected to cdb$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]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
[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 Oracle Grid Infrastructure for a Standalone Server?
A. It requires Oracle Automatic Storage Management(ASM)components to be installed separately
B. The CSS daemon runs from the Grid Infrastructure home
C. It can manage database resources on the server where it is installed or on a different server.
D. It supports volume management, file system, and automatic restart capabilitiesE. It must be installed before the Oracle database software is installed
[多选题]Which two are true about RMAN virtual private catalogs(VPCS)?
A. Each VPC is owned by the recovery catalog schema owner.
B. VPC functionality is enabled by default.
C. Only one target database can be registered in a VPC
D. The RMAN catalog owner can grant access for an already registered database to a new virtual
Catalog owner
E. RMAN uses Oracle Virtual Private Database(VPD. to implement VPCS
[多选题]Which two are true about instance recovery?
A. It is not possible if an archived log is missing
B.Setting Fasr START Mrrr TARGER to a higher value reduces instance recovery time by causing
The log writer to write more frequently, thereby reducing the number of I/Os needed during
Instance recovery
C.It is performed automatically after the database is opened; however, blocks requiring recovery
Are not available until they are recovered
D.Setting FAST START MTTR TARGET to a lower value reduces instance recovery time by
Causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os
Needed during instance recovery.
E. It is performed automatically while the database remains in MOUNT state. Then the database is
Opened
F. It is performed by the Recovery Writer (RVWR)background process
[多选题]Which two are true about backup encryption?
A. The BACKUP BACKUPSET command can encrypt and decrypt backup sets
B. Image copies can be encrypted
C. Backup encryption can be enabled selectively for specific tablespaces
D. The Transparent Data Encryption (TDE. keystore is backed up using RMAN
E. Vendor-specific media management software can be used for making encrypted RMAN
Backups to media
F. Keystore-based encryption is the default mode for RMAN backup encryption
[多选题]Which two VMware features are supported in a virtual machine using Intel Software Guard Extensions (Intel SGX) technology? (Choose two.)
A. Fault tolerance
B. vSphere vMotion
C. VM encryption
D. Virtual machine suspend and resume
E. Storage I/O Control
[多选题]Which two features are only supported by VMFS6 datastores? (Choose two.)
A. Concurrent access to shared storage
B. On-disk locking
C. Dynamic expansion
D. 4K native storage devices
E. Automatic space reclamation
[多选题]34 Topic1Which two VMware recommendations should an architect follow when configuring top of rack (ToR) switches in an NSX-T Data Center environment? (Choose two.)
A.Use only IPv4 addressing in all deployments.
B.Configure redundant physical switches to enhance availability.
C.Configure switch ports that connect to ESXi host manually as trunk ports.
D.Configure switch ports with a Dynamic Trunking Protocol.
E.Modify the Spanning Tree Protocol to increase the time to transition to the forwarding state.
[多选题]Which two are true about server-generated alerts?
A.Stateless alerts can be cleared manually
B.Stateless alerts are automatically cleared after one day.
C.Stateful alerts are purged automatically from the alert history after one day
D.Stateless alerts can be purged manually from the alert history.
E. Stateful alerts must be cleared by a DBA to resolve the problem identified in the alert.
[多选题]Which two are true about the character sets used in an Oracle database?
A. Unicode enables information from any language to be stored using a single character set
B. Unicode is the only supported character set for Oracle databases created using
DatabaseConfiguration Assistant (DBCA.
C. Single-byte character sets provide better performance than multibyte character sets
D. Single-byte character sets always use 7-bit encoding schemes
E. Multibyte character sets allow more efficient space utilization than single byte character sets.
F. Single-byte character sets always use 8-bit encoding schemes.
[多选题]Which two are true about an Oracle gold image-based installation in Oracle 18c and later
Releases?
A. It does not require the setup wizard
B. It can be used to install and upgrade Oracle Database for single-instance and clusterconfigurations
C. It can be used for both Oracle Database and Oracle Grid Infrastructure installation
D. It uses a single RPM that automatically extracts and installs the Oracle Database software
E. It can only install and configure Oracle Database software. The database has to be create
Separately.
