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 serialized.BAn object serialized on one JVM can be successfully deserialized on a different JVM.CThe values 

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.Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（）A、TE tunnels that are configured with the FRR option cannot be used as backup tunnels.B、TE tunnels that are configured with the FRR option can be used as backup tunnels.C、The backup tunnel that is used to protect a physical interface must have a valid IP address configured.D、Interfaces must use MPLS global label allocation.E、The source IP address of use backup tunnel and the merge point （MP） should not be reachable.

2.Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？ （）A、over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleavingB、use the service-policy command to attach a traffic flow to an interface on the routerC、use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flowsD、use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class mapE、use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP valueF、use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified

3.Which two statements are true about overflow pools？（）A、Overflow pools do not support PATB、Overflow pools can not use the egress interface IP address for NATC、Overflow pools must use PATD、Overflow pools can contain the egress interface IP address or separate IP addresses

4.Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）  A、Member variables of the outer instance are always accessible to inner instances， regardless of their  accessibility modifiers.B、Member variables of the outer instance can never be referred to using only the variable name within  the inner instance.C、More than one inner instance can be associated with the same outer instance.D、All variables from the outer instance that should be accessible in the inner instance must be declared  final.E、A class that is declared final cannot have any inner classes.

更多“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 serialized.BAn object serialized on one JVM can be successfully deserialized on a different JVM.CThe values ”相关问题

  • 第1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:B,D,E

  • 第2题：

    Which statements are valid for a local SPAN configuration？ （）

    • A、 Source and destination interface must be on the same host
    • B、 Source and destination interfaces can be on different hosts
    • C、 Destination vEthernet interface can be on a different VLAN than the source
    • D、 Destination interface can be a physical port
    • E、 Destination interface cannot be a physical port

    正确答案:A,D

  • 第3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4题：

    Which two statements are true regarding transactions in an Oracle database（）

    • A、Multiple transactions can use the same undo segment.
    • B、A transaction is assigned an undo segment when it is started.
    • C、More than one transaction cannot share the same extent in the undo tablespace.
    • D、The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.

    正确答案:A,B

  • 第5题：

    Which two statements are true regarding single row functions?（）

    • A、They accept only a single argument 
    • B、They can be nested only to two levels 
    • C、Arguments can only be column values or constants 
    • D、They always return a single result row for every row of a queried table 
    • E、They can return a data type value different from the one that is referenced

    正确答案:D,E

  • 第6题：

    多选题
    Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class？（）
    A

    If the hashCode values are different， the objects might be equal.

    B

    If the hashCode values are the same， the object must be equal.

    C

    If the hashCode values are the same， the objects might be equal.

    D

    If the hashCode values are different， the objects must be unequal.


    正确答案： C,D
    解析： 暂无解析

  • 第7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： B,E
    解析： 暂无解析

  • 第8题：

    多选题
    Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）
    A

    Member variables of the outer instance are always accessible to inner instances， regardless of their      accessibility modifiers.

    B

    Member variables of the outer instance can never be referred to using only the variable name within     the inner instance.

    C

    More than one inner instance can be associated with the same outer instance.

    D

    All variables from the outer instance that should be accessible in the inner instance must be declared     final.

    E

    A class that is declared final cannot have any inner classes.


    正确答案： C,B
    解析： 暂无解析

  • 第9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10题：

    多选题
    Which two statements are true regarding the usage of the SQL*Loader utility（）
    A

    You can load data into multiple tables during the same load session.

    B

    You can load data from multiple files to a table during the same load session.

    C

    You cannot perform selective data loading based on the values available in the records.

    D

    You can use an export file generated by the EXPDP utility as an input data file to load the data.

    E

    You can load data only if the input file is available on the disk and tape but not in a named pipes.


    正确答案： B,A
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true regarding single row functions?（）
    A

    They accept only a single argument

    B

    They can be nested only to two levels

    C

    Arguments can only be column values or constants

    D

    They always return a single result row for every row of a queried table

    E

    They can return a data type value different from the one that is referenced


    正确答案： E,B
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true about overflow pools？（）
    A

    Overflow pools do not support PAT

    B

    Overflow pools can not use the egress interface IP address for NAT

    C

    Overflow pools must use PAT

    D

    Overflow pools can contain the egress interface IP address or separate IP addresses


    正确答案： D,C
    解析： 暂无解析

  • 第13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,E

  • 第14题：

    Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class？（）

    • A、 If the hashCode values are different， the objects might be equal.
    • B、 If the hashCode values are the same， the object must be equal.
    • C、 If the hashCode values are the same， the objects might be equal.
    • D、 If the hashCode values are different， the objects must be unequal.

    正确答案:C,D

  • 第15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16题：

    You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）

    • A、An object type is a user-defined composite data type. 
    • B、The attributes of an object type can be those of other object types. 
    • C、A PL/SQL table of records is an example of a nested object type. 
    • D、An object type must be declared as a type before the actual object itself can be declared.

    正确答案:A,B,D

  • 第17题：

    多选题
    Which statements are valid for a local SPAN configuration？ （）
    A

    Source and destination interface must be on the same host

    B

    Source and destination interfaces can be on different hosts

    C

    Destination vEthernet interface can be on a different VLAN than the source

    D

    Destination interface can be a physical port

    E

    Destination interface cannot be a physical port


    正确答案： D,B
    解析： 暂无解析

  • 第18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19题：

    多选题
    Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（）
    A

    TE tunnels that are configured with the FRR option cannot be used as backup tunnels.

    B

    TE tunnels that are configured with the FRR option can be used as backup tunnels.

    C

    The backup tunnel that is used to protect a physical interface must have a valid IP address configured.

    D

    Interfaces must use MPLS global label allocation.

    E

    The source IP address of use backup tunnel and the merge point （MP） should not be reachable.


    正确答案： D,C
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are true regarding transactions in an Oracle database（）
    A

    Multiple transactions can use the same undo segment.

    B

    A transaction is assigned an undo segment when it is started.

    C

    More than one transaction cannot share the same extent in the undo tablespace.

    D

    The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.


    正确答案： B,D
    解析： 暂无解析

  • 第21题：

    多选题
    You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）
    A

    An object type is a user-defined composite data type.

    B

    The attributes of an object type can be those of other object types.

    C

    A PL/SQL table of records is an example of a nested object type.

    D

    An object type must be declared as a type before the actual object itself can be declared.


    正确答案： B,D
    解析： 暂无解析

  • 第22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： B,C
    解析： 暂无解析

  • 第23题：

    多选题
    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： B,D
    解析： 暂无解析

  • 第24题：

    多选题
    Click the Exhibit button. System services SSH, Telnet, FTP, and HTTP are enabled on the SRX Series device. Referring to the configuration shown in the exhibit, which two statements are true? （）(Choose two.)
    A

    A user can use SSH to interface ge-0/0/0.0 and ge-0/0/1.0.

    B

    A user can use FTP to interface ge-0/0/0.0 and ge-0/0/1.0.

    C

    A user can use SSH to interface ge-0/0/0.0.

    D

    A user can use SSH to interface ge-0/0/1.0.


    正确答案： A,C
    解析： 暂无解析

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