多选题Which three statements concerning the use of the java.io.Serializable interface are true？（）AObjects from classes that use aggregation cannot be serializedBAn object serialized on one JVM can be successfully deserialized on a different JVMCThe values in

题目
多选题
Which three statements concerning the use of the java.io.Serializable interface are true？（）
A

Objects from classes that use aggregation cannot be serialized

B

An object serialized on one JVM can be successfully deserialized on a different JVM

C

The values in fields with the volatile modifier will NOT survive serialization and deserialization

D

The values in fields with the transient modifier will NOT survive serialization and deserialization

E

It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable

相似考题

1.You use the segment advisor to help determine objects for which space may be reclaimed.Which three statements are true about the advisor given by the segment advisor?()A. It may advise the use of online table redefinition for tables in dictionary managed tablespace.B. It may advise the use of segment shrink for tables in dictionary managed tablespaces it the no chained rows.C. It may advise the use of online table redefinition for tables in locally managed tablespacesD. It will detect and advise about chained rows.E. It may advise the use of segment shrink for free list managed tables.

2.For the following statements， which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol （FCAP）？（）A、It is restricted in size to only three segmentsB、It requires the use of netBT as the network protocolC、It requires the implementation of IKED、It relies on an underlying Public Key Infrastructure

3.Which three statements concerning the use of the java.io.Serializable interface are true？（）A、Objects from classes that use aggregation cannot be serializedB、An object serialized on one JVM can be successfully deserialized on a different JVMC、The values in fields with the volatile modifier will NOT survive serialization and deserializationD、The values in fields with the transient modifier will NOT survive serialization and deserializationE、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable

4.Which statement concerning carbon dioxide is FALSE ________．A.It displaces the oxygen in the airB.It cannot be seenC.It cannot be smelledD.It is safe to use near personnel in a confined space

更多“Which three statements concerning the use of the java.io.Ser”相关问题

  • 第1题：

    Which three statements are valid SDM configuration wizards？ （）

    • A、NAT
    • B、VPN
    • C、STP
    • D、Security Audit

    正确答案:A,B,D

  • 第2题：

    Which three statements concerning the use of the java.io.Serializable interface are true？（）

    • A、Objects from classes that use aggregation cannot be serialized.
    • B、An object serialized on one JVM can be successfully deserialized on a different JVM.
    • C、The values in fields with the volatile modifier will NOT survive serialization and deserialization.
    • D、The values in fields with the transient modifier will NOT survive serialization and deserialization.
    • E、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.

    正确答案:B,D

  • 第3题：

    Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）

    • A、Change in the Oracle Database version
    • B、Change in your network infrastructure
    • C、Change in the hardware configuration of the database server
    • D、Migration of database storage from non-ASM to ASM storage
    • E、Database and operating system upgrade

    正确答案:A,C,E

  • 第4题：

    单选题
    Which of the following statements concerning energy is correct?（）
    A

    Energy can be created or destroyed

    B

    Energy may not be transformed

    C

    The total quantity of energy in the universe is always the same

    D

    None of the above


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    Which of the following statements is true concerning all three-phase alternators?（）
    A

    Each has three separate but identical armature windings acted on by one system of rotating magnets

    B

    Each has one armature winding acted on by three identical but separate systems of rotating magnets

    C

    All three-phase alternators are designed to operate with a O8 leading power factor

    D

    The three phases always provide power to the load through three sets of slip rings and brushes


    正确答案： D
    解析： 暂无解析

  • 第6题：

    多选题
    Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）
    A

    Change in the Oracle Database version

    B

    Change in your network infrastructure

    C

    Change in the hardware configuration of the database server

    D

    Migration of database storage from non-ASM to ASM storage

    E

    Database and operating system upgrade


    正确答案： E,D
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following statements concerning the rigging of bosuns’ chairs and their use is TRUE（）.
    A

    Always secure the gantline to the chair with a bowline

    B

    Always have the chair hoisted with at least three turns on a winch drum

    C

    Any tools，paint pots etc．should be secured by lanyards

    D

    When riding a stay，make sure that the bow of the shackle passes through the becket of the bridle


    正确答案： B
    解析： 暂无解析

  • 第8题：

    多选题
    Which three statements are true about persistent configuration?（） (Choose three.)
    A

    A user cannot set privileges on the persistent lightweight jobs

    B

    Persistent lightweight jobs generate a large amount of metadata

    C

    It is possible to create fully self-contained persistent lightweight jobs

    D

    The use of a template is mandatory to create persistent lightweight jobs

    E

    Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time


    正确答案： C,B
    解析： 暂无解析

  • 第9题：

    多选题
    You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?（）
    A

    The valid time columns employee_time_start and employee_time_end are automatically created.

    B

    The same statement may filter on both transaction time and valid temporal time by using the AS OF TIMESTAMP and PERIOD FOR clauses.

    C

    The valid time columns are not populated by the Oracle Server automatically.

    D

    The valid time columns are visible by default when the table is described.

    E

    Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulatio


    正确答案： E,D
    解析： 暂无解析

  • 第10题：

    多选题
    Which three statements concerning the use of the java.io.Serializable interface are true？（）
    A

    Objects from classes that use aggregation cannot be serialized.

    B

    An object serialized on one JVM can be successfully deserialized on a different JVM.

    C

    The values in fields with the volatile modifier will NOT survive serialization and deserialization.

    D

    The values in fields with the transient modifier will NOT survive serialization and deserialization.

    E

    It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.


    正确答案： A,B
    解析： 暂无解析

  • 第11题：

    多选题
    Which three protocols use UDP as a transport protocol by default?（）
    A

    HTTP

    B

    TFTP

    C

    DNS

    D

    SNMP

    E

    SMTP


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements is correct concerning the viscosity of lubricating oil?（）
    A

    Viscosity will increase as temperature increases

    B

    Viscosity is a measure of a fluid s internal resistance to flow

    C

    Viscosity will decrease as temperature decreases

    D

    Viscosity is not dependent on temperature


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which three components does the Scheduler use for managing tasks within the Oracle environment? （）(Choose three.)

    • A、a job
    • B、a program
    • C、a schedule
    • D、a PL/SQL procedure

    正确答案:A,B,C

  • 第14题：

    Which three statements are true concerning unplugging a pluggable database (PDB)?（）

    • A、The PDB must be open in read only mode.
    • B、The PDB must be dosed.
    • C、The unplugged PDB becomes a non-cdb.
    • D、The unplugged PDB can be plugged into the same multitenant container database (CDB)
    • E、The unplugged PDB can be plugged into another cdb.
    • F、The PDB data files are automatically removed from disk.

    正确答案:B,D,E

  • 第15题：

    You want to use the SQL Tuning Advisor to generate recommendations for badly written SQL statements in your development environment.   Which three sources can you select for the advisor to analyze？ （）

    • A、Top SQL
    • B、snapshots
    • C、SQL Tuning sets
    • D、index access path
    • E、optimizer statistics
    • F、materialized view logs

    正确答案:A,B,C

  • 第16题：

    多选题
    Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
    A

    c=d

    B

    l and k are parallel

    C

    m and l are perpendicular


    正确答案： C,B
    解析：
    根据题目中的已知信息无法推断出各直线的关系，因此B、C均不正确；而由图示可知，c和d分别是a和b的补角，由于a=b，所以c=d，A项正确。

  • 第17题：

    多选题
    Which three concerning the use of the java.io.Serializable interface are true？（）
    A

    Objects from classes that use aggregation cannot be serialized.

    B

    Art object serialized on one JVM can be successfully deserialized on a different JVM.

    C

    The values in fields with the volatile modifier will NOT survive serialization anddeserialization.

    D

    The values in fields with the transient modifier will NOT survive serialization anddeserialization.

    E

    It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.


    正确答案： A,D
    解析： 暂无解析

  • 第18题：

    多选题
    You use the segment advisor to help determine objects for which space may be reclaimed. Which three statements are true about the advisor given by the segment advisor?（）
    A

    It may advise the use of online table redefinition for tables in dictionary managed tablespace.

    B

    It may advise the use of segment shrink for tables in dictionary managed tablespaces it the no chained rows.

    C

    It may advise the use of online table redefinition for tables in locally managed tablespaces

    D

    It will detect and advise about chained rows.

    E

    It may advise the use of segment shrink for free list managed tables.


    正确答案： D,C
    解析： 暂无解析

  • 第19题：

    多选题
    You want to use the SQL Tuning Advisor to generate recommendations for badly written SQL statements in your development environment.   Which three sources can you select for the advisor to analyze？ （）
    A

    Top SQL

    B

    snapshots

    C

    SQL Tuning sets

    D

    index access path

    E

    optimizer statistics

    F

    materialized view logs


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    多选题
    Which three statements concerning the use of the java.io.Serializable interface are true？（）
    A

    Objects from classes that use aggregation cannot be serialized

    B

    An object serialized on one JVM can be successfully deserialized on a different JVM

    C

    The values in fields with the volatile modifier will NOT survive serialization and deserialization

    D

    The values in fields with the transient modifier will NOT survive serialization and deserialization

    E

    It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable


    正确答案： C,E
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following statements concerning fire-tube boilers is correct?（）
    A

    Combustion gases flow through the tubes

    B

    Flames impinge on the tubes

    C

    Combustion occurs in the tubes

    D

    Water flows through the tubes


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following statements is correct concerning the “flash point ” of a liquid?（）
    A

    It is lower than the ignition temperature

    B

    It is the temperature at which a substance will spontaneously ignite

    C

    It is the temperature at which a substance, when ignited, will continue to bum

    D

    It is the temperature at which the released vapors will fall within the explosive range


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    Which three statements are true concerning unplugging a pluggable database (PDB)?（）
    A

    The PDB must be open in read only mode.

    B

    The PDB must be dosed.

    C

    The unplugged PDB becomes a non-cdb.

    D

    The unplugged PDB can be plugged into the same multitenant container database (CDB)

    E

    The unplugged PDB can be plugged into another cdb.

    F

    The PDB data files are automatically removed from disk.


    正确答案： D,E
    解析： 暂无解析

  • 第24题：

    单选题
    For the following statements， which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol （FCAP）？（）
    A

    It is restricted in size to only three segments

    B

    It requires the use of netBT as the network protocol

    C

    It requires the implementation of IKE

    D

    It relies on an underlying Public Key Infrastructure


    正确答案： B
    解析： 暂无解析

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