ABC公司对某投资项目的分析与评价资料如下：该投资项目适用的所得税税率为30％，年税后营业收入为70

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

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

t; TO SCN <scn>;2. SELECT * FROM <table> AS OF SCN 123456;3. FLASHBACK TABLE <table> TO BEFORE DROP;4. FLASHBACK DATABASE TO TIMESTAMP <timestamp>;5. SELECT * FROM <table> VERSIONS AS OF SCN 123456 AND 123999;Which of these statements will be dependent on the availability of relevant undo data in the undo segment？（）

A. 1, 2, and 5

B. 1, 3, and 4

C. 2, 3, 4, and 5

D. 1, 2, 3, 4, and 5

A. It can be set at the system, session, or table level.

B. It is used only across statements in the same session.

C. It can store the results from normal as well as flashback queries.

D. It can store the results of queries based on normal, temporary, and dictionary tables.

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

A. The routing table is populated by the forwarding table.

B. Devices running the Junos OS can accommodate multiple routing tables.

C. Information learned from routing protocols is stored in the routing table.

D. The primary routing table for IPv4 unicast routes is inet.4.

A. The RE controls and monitors the chassis.

B. The RE manages the Packet Forwarding Engine (PFE).

C. The RE receives a copy of the forwarding table from the forwarding plane.

D. The RE implements class of service (COS).

A．It weakens inner conflict

B．It decreases tension

C．It may spoil the complete story

D．It is to convey to the readers information regarding the character’s background

A. It stores only the temporary table but not its indexes.

B. It stores both the temporary table as well as its indexes.

C. It must be a nondefault temporary tablespace for the database.

D. It can be a default or nondefault temporary tablespace for the database.

E. It must be the default temporary tablespace of the user who issues the command.

You want to flash back a test database by five hours.You issue this command:SQL >FLASHBACK DATABASE TO TIMESTAMP （SYSDATE - 5/24);Which two statements are true about this flashback scenario？（）

A. The database must have multiplexed redo logs for the flashback to succeed.

B. The database must be MOUNTED for the flashback to succeed.

C. The database must use block change tracking for the flashback to succeed.

D. The database must be opened in restricted mode for the flashback to succeed.

E. The database must be opened with the RESETLOGS option after the flashback is complete.

F. The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN.