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多选题Which two statements are true regarding listeners()AListeners use only the TCP/IP protocol.BMultiple listener processes can run simultaneously on a host.CMultiple database instances can be registered with a single listener.DThe listener-related errors 

题目
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.


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更多“多选题Which two statements are true regarding listeners()AListeners use only the TCP/IP protocol.BMultiple listener processes can run simultaneously on a host.CMultiple database instances can be registered with a single listener.DThe listener-related errors ”相关问题
  • 第1题:

    Which two statements about VACLs on Cisco Nexus 7000 Series Switches are true? ()

    • A、 A single VACL can be shared across two or more VDCs.
    • B、 Use of VACLs requires no special license to be installed.
    • C、 VACLs make use of IP or MAC ACLs.
    • D、 Only options drop and forward are permitted.

    正确答案:B,C

  • 第2题:

    Which two statements regarding external authentication servers for firewall user authentication are true?() (Choose two.)

    • A、Up to three external authentication server types can be used simultaneously.
    • B、Only one external authentication server type can be used simultaneously.
    • C、If the local password database is not configured in the authentication order, and the configured authentication server  bypassed.
    • D、If the local password database is not configured in the authentication order, and the configured authentication server authentication is rejected.

    正确答案:B,D

  • 第3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4题:

    Which two statements are true regarding hot patching?()

    • A、 It requires relinking of the Oracle binary.
    • B、 It does not require database instance shutdown.
    • C、 It can detect conflicts between two online patches.
    • D、 It is available for installing all patches on all platforms. 
    • E、 It works only in a single database instance environment.

    正确答案:B,C

  • 第5题:

    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)

    • A、The ADR base keeps all diagnostic information in binary format
    • B、SQL*Plus provides the ADRI script, which can be used to work with ADR
    • C、The ADR can be used for problem diagnosis only when the database is open
    • D、The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
    • E、The ADR can be used for problem diagnosis even when the database instance is down
    • F、The ADR base is shared across multiple instances

    正确答案:E,F

  • 第6题:

    Which statements concerning the event model of the AWT are true?()  

    • A、At most one listener of each type can be registered with a component.
    • B、Mouse motion listeners can be registered on a List instance.
    • C、There exists a class named ContainerEvent in package java.awt.event.
    • D、There exists a class named MouseMotionEvent in package java.awt.event.
    • E、There exists a class named ActionAdapter in package java.awt.event.

    正确答案:B,C

  • 第7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8题:

    多选题
    Which statements concerning the event model of the AWT are true?()
    A

    At most one listener of each type can be registered with a component.

    B

    Mouse motion listeners can be registered on a List instance.

    C

    There exists a class named ContainerEvent in package java.awt.event.

    D

    There exists a class named MouseMotionEvent in package java.awt.event.

    E

    There exists a class named ActionAdapter in package java.awt.event.


    正确答案: B,A
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements regarding external authentication servers for firewall userauthentication are true?()
    A

    Up to three external authentication server types can be used simultaneously.

    B

    Only one external authentication server type can be used simultaneously.

    C

    If the local password database is not configured in the authentication order, and the configured authentication server is unreachable, authentication is not performed.

    D

    If the local password database is not configured in the authentication order, and the configured authentication server rejects the authentication request, authentication is not performed


    正确答案: B,A
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true about the Automatic Diagnostic Repository (ADR)?()
    A

    The ADR base keeps all diagnostic information in binary format

    B

    SQL*Plus provides the ADRI script, which can be used to work with ADR

    C

    The ADR can be used for problem diagnosis only when the database is open

    D

    The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

    E

    The ADR can be used for problem diagnosis even when the database instance is down

    F

    The ADR base is shared across multiple instances


    正确答案: E,F
    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 two statements regarding external authentication servers for firewall userauthentication are true?()

    • A、Up to three external authentication server types can be used simultaneously.
    • B、Only one external authentication server type can be used simultaneously.
    • C、If the local password database is not configured in the authentication order, and the configured authentication server is unreachable, authentication is not performed.
    • D、If the local password database is not configured in the authentication order, and the configured authentication server rejects the authentication request, authentication is not performed

    正确答案:B,D

  • 第14题:

    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() 

    • A、 The ADR base keeps all diagnostic information in binary format
    • B、 SQL*Plus provides the ADRI script, which can be used to work with ADR
    • C、 The ADR can be used for problem diagnosis only when the database is open
    • D、 The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
    • E、 The ADR can be used for problem diagnosis even when the database instance is down
    • F、 The ADR base is shared across multiple instances

    正确答案:E,F

  • 第15题:

    Which three statements are true regarding the use of the Database Migration Assistant for Unicode(DMU)?()

    • A、A DBA can check specific tables with the DMU
    • B、The database to be migrated must be opened read-only.
    • C、The release of the database to be converted can be any release since 9.2.0.8.
    • D、The DMU can report columns that are too long in the converted characterset.
    • E、The DMU can report columns that are not represented in the converted characterset.

    正确答案:A,D,E

  • 第16题:

    Which two statements are true regarding subqueries? ()

    • A、A subquery can retrieve zero or more rows 
    • B、Only two subqueries can be placed atone level 
    • C、A subquery can be used only in SQL query statements 
    • D、A subquery can appear on either side of a comparison operator 
    • E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement 

    正确答案:A,D

  • 第17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18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19题:

    多选题
    Which two statements are true regarding subqueries? ()
    A

    A subquery can retrieve zero or more rows

    B

    Only two subqueries can be placed atone level

    C

    A subquery can be used only in SQL query statements

    D

    A subquery can appear on either side of a comparison operator

    E

    There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement


    正确答案: E,B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are true regarding hot patching? ()
    A

    It requires relinking of the Oracle binary.

    B

    It does not require database instance shutdown.

    C

    It can detect conflicts between two online patches.

    D

    It is available for installing all patches on all platforms.

    E

    It works only in a single database instance environment.


    正确答案: C,D
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements regarding external authentication servers for firewall user authentication are true?() (Choose two.)
    A

    Up to three external authentication server types can be used simultaneously.

    B

    Only one external authentication server type can be used simultaneously.

    C

    If the local password database is not configured in the authentication order, and the configured authentication server  bypassed.

    D

    If the local password database is not configured in the authentication order, and the configured authentication server authentication is rejected.


    正确答案: B,A
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)
    A

    The ADR base keeps all diagnostic information in binary format

    B

    SQL*Plus provides the ADRI script, which can be used to work with ADR

    C

    The ADR can be used for problem diagnosis only when the database is open

    D

    The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

    E

    The ADR can be used for problem diagnosis even when the database instance is down

    F

    The ADR base is shared across multiple instances


    正确答案: D,B
    解析: 暂无解析

  • 第23题:

    多选题
    Which three statements are true regarding the use of the Database Migration Assistant for Unicode(DMU)?()
    A

    A DBA can check specific tables with the DMU

    B

    The database to be migrated must be opened read-only.

    C

    The release of the database to be converted can be any release since 9.2.0.8.

    D

    The DMU can report columns that are too long in the converted characterset.

    E

    The DMU can report columns that are not represented in the converted characterset.


    正确答案: B,C
    解析: 暂无解析