以下（）有关事件监听器的语句是正确的。A、Multiple listeners can be attached to one componentB、Only one listener can be attached to one componentC、One listener can receive and process the events from multiple componentsD、One listener can receive and process the events from on

题目

以下（）有关事件监听器的语句是正确的。

A、Multiple listeners can be attached to one component
B、Only one listener can be attached to one component
C、One listener can receive and process the events from multiple components
D、One listener can receive and process the events from only one component

相似考题

1.We can learn from the passage that __A. communication breakdown results from short pauses and fast pacingB. women are unfavorably stereotyped in eastern cities of the USC. one's inability to speak up is culturally determined sometimesD. one should receive training to build up one's confidence

2.How does ERS use the VLAN tag?（）A、to provide service internetworkingB、to support transparency for Layer 2 framesC、as a connection identifier to indicate destinationD、as a mapping to the DLCI in service internetworkingE、to provide a trunk by which all VLANs can navigate from one site to one or multiple sites

3.Which statement about access lists that are applied to an interface is true?（）A、you can apply multiple access lists with the same protocol or in different direction.B、you can config one access list,per direction,per layer 3 protocolC、you can place as many access lists as you want on any interfaceD、you can apply only one access list on any interface

4.Which statement is true about Oracle Net Listener?()A. It acts as the listening endpoint for the Oracle database instance for all local and non-local user connections.B. A single listener can service only one database instance and multiple remote client connections.C. Service registration with the listener is performed by the process monitor (PMON) process of each database instance.D. The listener.ora configuration file must be configured with one or more listening protocol addresses to allow remote users to connect to a database instance.

更多“以下（）有关事件监听器的语句是正确的。A、Multiple listeners can be attached to one componentB、Only one listener can be attached to one componentC、One listener can receive and process the events from multiple componentsD、One listener can receive and process the events from on”相关问题

第1题：

How does the Ethernet Relay Service use the VLAN tag？（）
- A、 to provide service internetworking
- B、 to support transparency for Layer 2 frames
- C、 as a connection identifier to indicate destination
- D、 as a mapping to the DLCI in service internetworking
- E、 to provide a trunk by which all VLANs can navigate from one site to one or multiple sites
正确答案:C
第2题：

Which two statements correctly describe the relation between a data file and the logical databasestructures（）
- A、An extent cannot spread across data files.
- B、A segment cannot spread across data files.
- C、A data file can belong to only one tablespace.
- D、A data file can have only one segment created in it.
- E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
正确答案:A,C
第3题：

Which three statements are true regarding subqueries?（）
- A、Subqueries can contain GROUP BY and ORDER BY clauses
- B、Main query and subquery can get data from different tables
- C、Main query and subquery must get data from the same tables
- D、Subqueries can contain ORDER BY but not the GROUP BY clause
- E、Only one column or expression can be compared between the main query and subquery
- F、 Multiple columns or expressions can be compared between the main query and subquery
正确答案:A,B,E
第4题：

Which of the following statements is false？（）
- A、There can be more than one master catalog for a store
- B、A sales catalog is a subset of the master catalog
- C、The master catalog is the central place for the stores merchandise
- D、There can be more than one sales catalog for a store
- E、Multiple stores can share a master catalog
正确答案:A
第5题：

How many IP addresses can be configured in a given interface？（）
- A、one primary and one secondary IP address
- B、one IP address
- C、as many IP addresses as you want
- D、one primary and multiple secondary IP addresses
正确答案:C
第6题：

Which three statements about subqueries are true? （）
- A、A main query can have more than one subquery.
- B、A subquery can have more than one main query.
- C、The subquery and main query must retrieve data from the same table.
- D、The subquery and main query can retrieve data from different tables.
- E、Only one column or expression can be compared between the subquery and main query.
- F、Multiple columns or expression can be compared between the subquery and main query.
正确答案:A,C,E
第7题：

Which three statements are true regarding single-row functions？（）
- A、 They can accept only one argument.
- B、 They can be nested up to only two levels.
- C、 They can return multiple values of more than one data type.
- D、 They can be used in SELECT， WHERE， and ORDER BY clauses.
- E、 They can modify the data type of the argument that is referenced.
- F、 They can accept a column name， expression， variable name， or a user-supplied constant as arguments.
正确答案:D,E,F
第8题：

You are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?（）
- A、One tablespace has only one datafile
- B、Many tablespaces can share one datafile
- C、One tablespace can have many datafiles
- D、One datafile can contain many tablespaces
正确答案:C
第9题：

多选题
Which statements are true regarding listeners（）
A
Listeners use only the TCP/IP protocol.
B
Multiple listener processes can run simultaneously on a host.
C
Multiple database instances can be registered with a single listener.
D
The listener-related errors can be traced only at the administrative level.
E
Only one database instance can be registered with a single listener at any time

正确答案： B,C
解析：暂无解析
第10题：

多选题
Choose the two correct statements regarding Oracle WebLogic Server（）
A
a server instance can be associated with multiple machines
B
a machine can be associated with multiple server instance
C
a server instance can be associated with only a single machine
D
a machine can be associated with only one server instance

正确答案： B,C
解析：暂无解析
第11题：

多选题
Which two statements are true regarding listeners（）
A
Listeners use only the TCP/IP protocol.
B
Multiple listener processes can run simultaneously on a host.
C
Multiple database instances can be registered with a single listener.
D
The listener-related errors can be traced only at the administrative level.
E
Only one database instance can be registered with a single listener at any time.

正确答案： A,B
解析：暂无解析
第12题：

多选题
Which two statements correctly describe the relation between a data file and the logical database structures（）
A
An extent cannot spread across data files.
B
A segment cannot spread across data files.
C
A data file can belong to only one tablespace.
D
A data file can have only one segment created in it.
E
A data block can spread across multiple data files as it can consist of multiple operating system （OS）blocks

正确答案： B,C
解析：暂无解析
第13题：

What two choices can you make when redundancy is required from a branch office to a regional office?（）
- A、multiple Frame Relay PVCs
- B、dualWan links to the regional office
- C、dualWan links to another branch office
- D、single links - one to the regional office and one to another branch office
正确答案:B,D
第14题：

Choose the two correct statements regarding Oracle WebLogic Server（）
- A、 a server instance can be associated with multiple machines
- B、 a machine can be associated with multiple server instance
- C、 a server instance can be associated with only a single machine
- D、 a machine can be associated with only one server instance
正确答案:B,C
第15题：

What is one of the primary roles of the SONAS device?（）
- A、 provide storage to small enterprises
- B、 only handle network attached storage requirements
- C、 consolidate multiple filers into one
- D、 consolidate only Windows files into one device
正确答案:C
第16题：

What is the point of using a combiner? （）
- A、Up to four sites can share one PCM link.
- B、Several TRXs can share one antenna system.
- C、The mobile can listen to two base stations at the same time.
- D、Only one base station is needed per site.
- E、Sending and transmitting can be performed from the same antenna.
正确答案:B
第17题：

Which statements are true regarding listeners（）
- A、Listeners use only the TCP/IP protocol.
- B、Multiple listener processes can run simultaneously on a host.
- C、Multiple database instances can be registered with a single listener.
- D、The listener-related errors can be traced only at the administrative level.
- E、Only one database instance can be registered with a single listener at any time
正确答案:B,C
第18题：

Which three statements about subqueries are true?（）
- A、A single row subquery can retrieve only one column and one row.
- B、A single row subquery can retrieve only one row but many columns.
- C、A multiple row subquery can retrieve multiple rows and multiple columns.
- D、A multiple row subquery can be compared by using the ">" operator.
- E、A single row subquery can use the IN operator.
- F、A multiple row subquery can use the "=" operator.
正确答案:B,C,D
第19题：

Which two statements about subqueries are true? （）
- A、A single row subquery can retrieve data from only one table.
- B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.
- C、A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.
- D、A single row subquery can retrieve data from more than one table.
- E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.
- F、A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.
正确答案:D,F
第20题：

Which two statements are true regarding listeners（）
- A、Listeners use only the TCP/IP protocol.
- B、Multiple listener processes can run simultaneously on a host.
- C、Multiple database instances can be registered with a single listener.
- D、The listener-related errors can be traced only at the administrative level.
- E、Only one database instance can be registered with a single listener at any time.
正确答案:B,C
第21题：

多选题
Which three statements about subqueries are true?（）
A
A single row subquery can retrieve only one column and one row.
B
A single row subquery can retrieve only one row but many columns.
C
A multiple row subquery can retrieve multiple rows and multiple columns.
D
A multiple row subquery can be compared by using the “>” operator.
E
A single row subquery can use the IN operator.
F
A multiple row subquery can use the “=” operator.

正确答案： A,D
解析：暂无解析
第22题：

多选题
以下（）有关事件监听器的语句是正确的。
A
Multiple listeners can be attached to one component
B
Only one listener can be attached to one component
C
One listener can receive and process the events from multiple components
D
One listener can receive and process the events from only one component

正确答案： D,A
解析：暂无解析
第23题：

问答题
Only one other word can be made from all the letters of INSATIABLE. Can you find it?

正确答案： BANALITIES.
解析：
banality平凡，陈腐。

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