What must an administrator do to prevent new telnet users from connecting to the system？（）  A、rmdev -l /dev/ptsB、touch /etc/nologinC、chdev -l sys0 -a nologinD、chuser -a login=false ALL

题目

What must an administrator do to prevent new telnet users from connecting to the system？（）  

  • A、rmdev -l /dev/pts
  • B、touch /etc/nologin
  • C、chdev -l sys0 -a nologin
  • D、chuser -a login=false ALL
相似考题

1.You must tell us what you are doing at ten yesterday evening .()

2.What must be paid attention when watchkeeping in the engine room?

3.30． What is the passage mainly about? 、A． We must make more friends．B． Don-t quarrel with our parents．C． What should we do when our parents quarrel．D． Sometimes we must stay away from our parents．

4.What two are the prerequisites for enabling Flashback Database?()A. The database must be in ARCHIVELOG modeB. The database must be in MOUNT EXCLUSIVE modeC. The database must be opened in RESTRICTED modeD. The database instance must be started in the NOMOUNT stateE. The database instance must have the keep buffer pool defined

更多“What must an a”相关问题

  • 第1题：

    What must be true about the client before upstream traffic stream metrics can be displayed on the Cisco WLC?（）

    • A、must be Cisco Compatible Extensions version 2
    • B、must be Cisco Compatible Extensions version 3
    • C、must be Cisco Compatible Extensions version 4
    • D、must be associated to a Platinum QoS WLAN
    • E、must be associated to an access point on a Cisco WLC with code version 5.0 or newer

    正确答案:C

  • 第2题：

    When configuring the Cisco VPN Client，what action is required prior to installing Mutual Group Authentication？（）

    • A、Transparent tunneling must be enabled.
    • B、A valid root certificate must be installed.
    • C、A group pre-shared secret must be properly configured.
    • D、The option to "Allow Local LAN Access" must be selected.

    正确答案:B

  • 第3题：

    When replacing a power supply， what MUST the technician observe？（）

    • A、voltage
    • B、current
    • C、wattage
    • D、resistance

    正确答案:C

  • 第4题：

    What must be done in order to automatically close the purchase requisition （PR） after one or more purchase orders （PO） have been created？  （）

    • A、 All PR lines must be assigned to a PO.
    • B、 The PR must be in the Approved status.
    • C、 The PR must enter the workflow process.
    • D、 All manual company input fields must be completed.

    正确答案:A

  • 第5题：

    What two are the prerequisites for enabling Flashback Database?（） (Choose two)

    • A、The database must be in ARCHIVELOG mode
    • B、The database must be in MOUNT EXCLUSIVE mode
    • C、The database must be opened in RESTRICTED mode
    • D、The database instance must be started in the NOMOUNT state
    • E、The database instance must have the keep buffer pool defined

    正确答案:A,B

  • 第6题：

    What two are the prerequisites for enabling Flashback Database？（） 

    • A、 The database must be in ARCHIVELOG mode
    • B、 The database must be in MOUNT EXCLUSIVE mode
    • C、 The database must be opened in RESTRICTED mode
    • D、 The database instance must be started in the NOMOUNT state
    • E、 The database instance must have the keep buffer pool defined

    正确答案:A,B

  • 第7题：

    You work as the enterprise exchange administrator at Xxx .The Xxx network consists of a domain named xxx .What actions must you take to use administrative delegation on a series of cmdlets？（）

    • A、You must implement log transactions
    • B、You must set up new management role
    • C、You must implement Mailbox journaling
    • D、You must set up a Role Based Access Control （RBAC） role

    正确答案:B

  • 第8题：

    问答题
    What are the three main types of networks that must be considered when defining a security policy？

    正确答案： Trusted， untrusted， unknown.
    解析： 暂无解析

  • 第9题：

    多选题
    What two are the prerequisites for enabling Flashback Database?（）
    A

    The database must be in ARCHIVELOG mode

    B

    The database must be in MOUNT EXCLUSIVE mode

    C

    The database must be opened in RESTRICTED mode

    D

    The database instance must be started in the NOMOUNT state

    E

    The database instance must have the keep buffer pool defined


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    单选题
    Before writing a book, the first thing is considering what to say.
    A

    you must first ponder what to say and what not to be said carefully

    B

    it’s extremely necessary that you know what to say

    C

    the first thing is to consider what to say

    D

    you must first ponder what to say and what not to say


    正确答案： B
    解析：
    该题考查的是主语“一致关系”。当before，when，while，if，unless，after等引导分词短语作状语时，这些状语的逻辑主语必须和主句的主语保持一致。因此D为正确答案。

  • 第11题：

    多选题
    What are the prerequisites for enabling Flashback Database？ （）
    A

    The database must be started in the MOUNT EXCLUSIVE state.

    B

    The database must have multiplexed control files.

    C

    The database must be opened by using a text-based parameter file instead of a server parameter file （SPFILE）.

    D

    The database must be in ARCHIVELOG mode.

    E

    The database must be in the NOMOUNT state.

    F

    The database must be opened in RESTRICTED mode.


    正确答案： E,B
    解析： 暂无解析

  • 第12题：

    单选题
    What must be done in order to automatically close the purchase requisition （PR） after one or more purchase orders （PO） have been created？  （）
    A

     All PR lines must be assigned to a PO.

    B

     The PR must be in the Approved status.

    C

     The PR must enter the workflow process.

    D

     All manual company input fields must be completed.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    What are the three main types of networks that must be considered when defining a security policy？


    正确答案:Trusted， untrusted， unknown.

  • 第14题：

    What is a limitation of implementing uRPF？（）

    • A、MPLS LDP must be enabled.
    • B、BGP routing protocol must be running.
    • C、Named access-lists must be configured.
    • D、Symmetrical routing is required.
    • E、Domain name must be defined

    正确答案:D

  • 第15题：

    What restrictions apply to using virtual Ethernet within a cluster containing VIO clients？（）

    • A、IPAT via Aliasing must be used
    • B、IPAT via Replacement must be used
    • C、Resilience must be provided by the use of dual VIO servers
    • D、Hardware Address Takeover （HWAT） must be used to ensure a consistent virtual MAC address

    正确答案:A

  • 第16题：

    What must be assigned to establish an asset as Rotating？（）

    • A、 Spare parts
    • B、 Rotating Item
    • C、 Classification
    • D、 Operating Location

    正确答案:B

  • 第17题：

    You use the Memory Advisor to tune the memory structures of your database. What is the prerequisite to use the Memory Advisor？（）

    • A、 The database must be in the ARCHIVELOG mode.
    • B、 The automatic memory tuning must be enabled.
    • C、 The change tracking feature must be enabled.
    • D、 The automatic memory tuning must be disabled.

    正确答案:D

  • 第18题：

    What are the prerequisites for enabling Flashback Database？ （）

    • A、 The database must be started in the MOUNT EXCLUSIVE state.
    • B、 The database must have multiplexed control files.
    • C、 The database must be opened by using a text-based parameter file instead of a server parameter file （SPFILE）.
    • D、 The database must be in ARCHIVELOG mode.
    • E、 The database must be in the NOMOUNT state.
    • F、 The database must be opened in RESTRICTED mode.

    正确答案:A,D

  • 第19题：

    多选题
    What are two requirements when using AppFlow? （）(Choose two.)
    A

    Quality of service must be enabled.

    B

    NSC compression must be enabled.

    C

    PFA's TCP Acceleration (AFP) must be enabled.

    D

    AppFlow must be configured on the client-side device first


    正确答案： B,C
    解析： 暂无解析

  • 第20题：

    填空题
    What must husbands in Israel do before the wedding?　　They must ____

    正确答案： set aside a sum of money for their wives
    解析：
    在以色列，离婚比结婚容易，因为在结婚的时候，丈夫要拿出一笔钱来给妻子以防万一以后会离婚。

  • 第21题：

    多选题
    What two are the prerequisites for enabling Flashback Database?（） (Choose two)
    A

    The database must be in ARCHIVELOG mode

    B

    The database must be in MOUNT EXCLUSIVE mode

    C

    The database must be opened in RESTRICTED mode

    D

    The database instance must be started in the NOMOUNT state

    E

    The database instance must have the keep buffer pool defined


    正确答案： C,D
    解析： 暂无解析

  • 第22题：

    单选题
    What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
    A

    The tank must be gas freed

    B

    The tank must be ballasted

    C

    The tank must be vented to the atmosphere

    D

    The bypass valve must also be closed


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    What is a limitation of implementing uRPF？（）
    A

    MPLS LDP must be enabled.

    B

    BGP routing protocol must be running.

    C

    Named access-lists must be configured.

    D

    Symmetrical routing is required.

    E

    Domain name must be defined


    正确答案： E
    解析： 暂无解析

  • 第24题：

    问答题
    Let the children learn what all educated persons must some day learn, how to measure their own understanding, how to know what they know or do not know.

    正确答案：
    解析：

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