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Which three statements must be true before transporting a ta

题目
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Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（） (Choose three.)
A

Both source and target database must be the same character set

B

Both source and target database must have the same endian format

C

The COMPATIBLE parameter must be the same in the source and target databases.

D

The minimum compatibility level for both the source and target database must be 10.0.0.

E

All read-only and offline data files that belong to the tablespace to be transported must be platform aware.

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相似问题和答案

第1题：

Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?()

A. Both source and target database must be the same character set

B. Both source and target database must have the same endian format

C. The COMPATIBLE parameter must be the same in the source and target databases.

D. The minimum compatibility level for both the source and target database must be 10.0.0.

E. All read-only and offline data files that belong to the tablespace to be transported must be platform aware.


参考答案：A, B, D

第2题：

Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?() (Choose three.)

A. Both source and target database must be the same character set

B. Both source and target database must have the same endian format

C. The COMPATIBLE parameter must be the same in the source and target databases.

D. The minimum compatibility level for both the source and target database must be 10.0.0.

E. All read-only and offline data files that belong to the tablespace to be transported must be platform aware.


参考答案：A, B, D

第3题：

Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)

A．Ethernet hub ports are preconfigured for full-duplex mode.

B．The host network card and the switch port must be capable of operating in full-duplex mode.

C．There are no collisions in full-duplex mode.

D．In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.

E．A dedicated switch port is required for each full-duplex node.


正确答案：BCE
解析：Explanation:
Half-duplex Ethernet is defined in the original 802.3 Ethernet and Cisco says you only use one wire pair with a digital signal running in both directions on the wire. It also uses the CSMA/CD protocol to help prevent collisions and to permit retransmitting if a collision does occur. If a hub is attached to a switch, it must operate in half-duplex mode because the end stations must be able to detect collisions.

Half-duplex Ethernet-typically 10BaseT-is only about 30 to 40 percent efficient as Cisco sees it, because a large 10BaseT network will usually only give you 3- to 4Mbps-at most. Full-duplex Ethernet uses two pairs of wires, instead of one wire pair like half duplex. Also, full duplex uses a point-to-point connection between the transmitter of the transmitting device and the receiver of the receiving device, which means that with full-duplex data transfer, you get a faster data transfer compared to half duplex.

And because the transmitted data is sent on a different set of wires than the received data, no collisions occur. The reason you don't need to worry about collisions is because now Full-duplex Ethernet is like a freeway with multiple lanes instead of the single-lane road provided by half duplex. Full-duplex Ethernet is supposed to offer 100 percent efficiency in both directions; this means you can get 20Mbps with a 10Mbps Ethernet running full duplex, or 200Mbps for FastEthernet.

第4题：

Which three statements are true about terms in a policy?（）

  • A、The order of the terms in a policy is irrelevant
  • B、The action is specified in a then statement
  • C、Ters are optional in a policy
  • D、The match condition can be identified with a from statement
  • E、Every policy must contain at least one term

正确答案:B,D,E

第5题：

Which of these statements is true about ssids configured in cisco adu？（）

  • A、ssids are not case-sensitive.
  • B、ssids must be listed in the same order in the adu as they are in the access point.
  • C、a maximum of three ssids may be configured.
  • D、ssids may have a maximum of 16 characters.

正确答案:C

第6题：

Which two statements about workload capture and replay operations are true?()

A. The clients must be created manually on the test machines to perform more realistic testing.

B. Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay.

C. Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload.

D. The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.


参考答案：C, D

第7题：

Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?()

A. System privileges apply only to the PDB in which they are used.

B. Local users cannot use local system privileges on the schema of a common user.

C. The granter of system privileges must possess the set container privilege.

D. Common users connected to a PDB can exercise privileges across other PDBs.

E. System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.


参考答案：A, C, E

第8题：

Which of the following statements is true?

A．The volume of deals for hedging purposes is much higher than that for arbitraging and speculative purposes.

B．The foreign exchange business for commerce and tourism must be done before 11a.m.on 2 January.

C．It is hedgers' money that drives much larger volume of other transactions.

D．None of the above.


正确答案：C
解析：期货交易中，虽然投机目的和套利目的的交易量远远高于以保值为目的的交易量，但是保值交易的资金最终促成了其他交易。

第9题：

Which of the following statements is TRUE about the primary system dump device?（）

  • A、 It is shared. 
  • B、 It must be /dev/hd6. 
  • C、 It must be an internal disk. 
  • D、 It can be an external device.

正确答案:D

第10题：

Which statement is true regarding the INTERSECT operator?（）

  • A、It ignores NULL values 
  • B、Reversing the order of the intersected tables alters the result 
  • C、The names of columns in all SELECT statements must be identical 
  • D、The number of columns and data types must be identical for all SELECT statements in the query 

正确答案:D

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