多选题Which two statements are correct regarding the Flashback Versions Query feature？（）AYou can use this feature to identify the committed versions of the rows， but not the uncommitted versions.BYou can use this feature to identify the versions of V$ views.

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多选题

Which two statements are correct regarding the Flashback Versions Query feature？（）

You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.

You can use this feature to identify the versions of V$ views.

You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.

You can use this feature for a table only if row movement is enabled for the table.

You can use this feature to identify the versions of external and fixed tables.

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Which two statements are correct regarding MPLS LSP establishment methods?() (Choose two.)

A. LDP uses Down Stream On Demand.

B. RSVP uses Down Stream On Demand.

C. LDP uses Down Stream Unsolicited.

D. RSVP uses Down Stream Unsolicited.

参考答案：B, C

第2题：

You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？（）

A、 Flashback logs are not archived.
B、 Flashback logs are maintained in redo log files.
C、 Flashback logs are maintained in the Flash Recovery Area.
D、 Flashback logs are used to maintain Flashback Database related errors.
E、 Flashback logs need to be cleared manually after you disable Flashback Database.

正确答案:A,C

第3题：

The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?()

A. All the related indexes and views are automatically dropped

B. The flashback drop feature can recover only the table structure

C. Only the related indexes are dropped whereas views are invalidated

D. The flashback drop feature can recover both the table structure and its data

参考答案：C, D

第4题：

Which two statements regarding JUNOS architecture are correct？（）

A、The Routing Engine handles all exception traffic.
B、The Routing Engine synchronizes the route table with the PFE
C、The Routing Engine is hot-pluggable.
D、The Routing Engine controls the PFE

正确答案:C,D

第5题：

Which two of these statements regarding RSTP are correct? （）

A、RSTP cannot operate with PVST+.
B、RSTP defines new port roles.
C、RSTP defines no new port states.
D、RSTP is a proprietary implementation of IEEE 802.1D STP.
E、RSTP is compatible with the original IEEE 802.1D STP.

正确答案:B,E

第6题：

Which two statements regarding JUNOS architecture are correct?()

A.The Routing Engine handles all exception traffic.

B.The Routing Engine synchronizes the route table with the PFE

C.The Routing Engine is hot-pluggable.

D.The Routing Engine controls the PFE

参考答案：C, D

第7题：

Which two statements regarding the Flashback Table feature are correct?（）

A、Flashback Table can be performed on system tables.
B、Flashback Table operation does not shrink the segments.
C、Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.
D、Flashback Table operation acquires exclusive data manipulation language (DML) locks.

正确答案:B,D

第8题：

The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action? ()(Choose two)

A. All the related indexes and views are automatically dropped

B. The flashback drop feature can recover only the table structure

C. Only the related indexes are dropped whereas views are invalidated

D. The flashback drop feature can recover both the table structure and its data

参考答案：C, D

第9题：

Which two statements regarding SNMP monitoring of a UCS system are correct?（）

A、SNMP v3 is supported
B、includes same MIBs as the Cisco Nexus7000
C、does not provides MIBs downstream of the fabric interconnect
D、includes same MIBs as the Cisco Nexus2000

正确答案:A,C

第10题：

The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)

A、All the related indexes and views are automatically dropped
B、The flashback drop feature can recover only the table structure
C、Only the related indexes are dropped whereas views are invalidated
D、The flashback drop feature can recover both the table structure and its data

正确答案:C,D

Which two statements are correct regarding the Flashback Ver

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