单选题An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（）ABob has max_user_connections set to zero, which blocks all his connections

题目
单选题
An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（）
A

Bob has max_user_connections set to zero, which blocks all his connections

B

Joe has exceeded the max_user_connections global limit

C

All users are blocked because max_user_connections is accumulated over the host account information

D

Kay is already connected elsewhere and attempting to log in again

E

Connect_timeout is too small to allow a connection to occur

相似考题

1.An employee cannot access the company database. You check the connection variables:What is a valid explanation for why one of the users is unable to connect to the database?()A.Bob has max_user_connections set to zero, which blocks all his connectionsB.Joe has exceeded the max_user_connections global limitC.All users are blocked because max_user_connections is accumulated over the host account informationD.Kay is already connected elsewhere and attempting to log in againE.Connect_timeout is too small to allow a connection to occur

2.You are the database administrator of a SQL Server 2000 computer. The server contains your company's Accounts database. Hundreds of users access the database each day.Because you have had power interruptions in the past, you want to perfect the physical integrity of the Accounts database. You do not want to slow down server operations.What should you do?A．Enable the torn page detection database option for each database.B．Disable write caching on all disk controllers.C．Ensure that write caching disk controllers have battery backups.D．Create a database maintenance plan to check database integrity and make repairs each night.

3.Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?（）A.Modify the time zone for the computer.B.Modify the IPv4 settings on the computer.C.Create an A record for the computer in an internal DNS zone.D.Request that an administrator create a prestaged computer account in the domain.

4.You are connected using SQL* Plus to a multitenant container database (CDB) with SYSDBA privilegesand execute the following sequence statements:What is the result of the last SET CONTAINER statement and why is it so?（）A. It succeeds because the PDB_ADMIN user has the required privileges.B. It fails because common users are unable to use the SET CONTAINER statement.C. It fails because local users are unable to use the SET CONTAINER statement.D. If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).

更多“单选题An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（）A Bob has max_user_connections set to zero, which blocks all his connectio”相关问题

  • 第1题：

    You have a computer that runs Windows Vista.You connect to your company’s network by using a virtual private network (VPN) connection. You notice that when you establish the VPN connection, you are unable to access Internet Web sites. When you disconnect the VPN connection, you can access Internet Web sites.You need to access Internet Web sites while you are connected to the VPN connection.What should you do?（）

    A.A

    B.B

    C.C

    D.D


    参考答案：D

  • 第2题：

    You need to design a configuration for Exchange Server storage that meets the business and technical requirements. What should you do？（）

    • A、Create a single storage group. Create one database for all users
    • B、Create two storage groups. In each storage group， create one database. Place mailboxes for remote users in one storage group database， and place all other mailboxes in the other storage group database
    • C、Create two storage groups. In each storage group， create one database. Place executive mailboxes in one storage group database， and place all other mailboxes in the other storage group database
    • D、Create two storage groups. In one storage group， create a database， and place all mailboxes for remote users and executives in the database. In the other storage group， create a database for all other mailboxes

    正确答案:C

  • 第3题：

    You need to configure fine-grained access control to external network resources from within your database. You create an access control list (ACL) using the DBMS_NETWORK_ACL_ADMIN package. Which statement is true regarding the ACL created?（）

    • A、It is a list of remote database links stored in the XML file that are available to the users of the database.
    • B、It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.
    • C、It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.
    • D、It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.

    正确答案:B

  • 第4题：

    Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?（）

    • A、Modify the time zone for the computer.
    • B、Modify the IPv4 settings on the computer.
    • C、Create an A record for the computer in an internal DNS zone.
    • D、Request that an administrator create a prestaged computer account in the domain.

    正确答案:B

  • 第5题：

    You want to connect to your company network from your Windows 2000 Professional computer at home. You have an ISDN line that is used for internet connectivity. You create a VPN connection and are able to connect successfully to the company network. While connected to the company network, you are unable to access the Internet.   What must you do so that you can access the Internet?（）

    • A、Configure the ISDN connection to use SLIP instead of PPP.
    • B、Select the Enable Internet Connection Sharing for this connection check box in the ISDN connection properties.
    • C、Clear the Use default gateway on remote network check box.
    • D、Install and configure the SAP Agent service.

    正确答案:C

  • 第6题：

    You install Windows 2000 Professional on your portable computer. You create a new dial up connection to connect to your company’s remote access server. You connect to the remote access server by using the dial up connection. You can connect to the servers on the same segment as the remote access server. You cannot access the shared resources that are on the remote segments from the remote access server. What should you do？ （）

    • A、Configure the company remote access server to accept multilink connections.
    • B、Configure the TCP/IP program for the dial up connection to disable IP header compression.
    • C、Configure the TCP/IP properties for the dial up connection to use the default gateway on theremote network.
    • D、Grant your user account dial in permission on the company remote access server.

    正确答案:C

  • 第7题：

    单选题
    Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?（）
    A

    Modify the time zone for the computer.

    B

    Modify the IPv4 settings on the computer.

    C

    Create an A record for the computer in an internal DNS zone.

    D

    Request that an administrator create a prestaged computer account in the domain.


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances.  Which service should you start?（）
    A

    Server 

    B

    SQL Server Agent 

    C

    SQL Server Browser 

    D

    SQL Active Directory Helper


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    You want to connect to your company network from your Windows 2000 Professional computer at home. You have an ISDN line that is used for internet connectivity. You create a VPN connection and are able to connect successfully to the company network. While connected to the company network, you are unable to access the Internet.   What must you do so that you can access the Internet?（）
    A

    Configure the ISDN connection to use SLIP instead of PPP.

    B

    Select the Enable Internet Connection Sharing for this connection check box in the ISDN connection properties.

    C

    Clear the Use default gateway on remote network check box.

    D

    Install and configure the SAP Agent service.


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    You need to design a configuration for Exchange Server storage that meets the business and technical requirements. What should you do？（）
    A

    Create a single storage group. Create one database for all users

    B

    Create two storage groups. In each storage group， create one database. Place mailboxes for remote users in one storage group database， and place all other mailboxes in the other storage group database

    C

    Create two storage groups. In each storage group， create one database. Place executive mailboxes in one storage group database， and place all other mailboxes in the other storage group database

    D

    Create two storage groups. In one storage group， create a database， and place all mailboxes for remote users and executives in the database. In the other storage group， create a database for all other mailboxes


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    You are connected using SQL* Plus to a multitenant container database (CDB) with SYSDBA privilegesand execute the following sequence statements:What is the result of the last SET CONTAINER statement and why is it so?（）
    A

    It succeeds because the PDB_ADMIN user has the required privileges.

    B

    It fails because common users are unable to use the SET CONTAINER statement.

    C

    It fails because local users are unable to use the SET CONTAINER statement.

    D

    If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）
    A

    Configure the DSL connection to use PPTP instead of L2TP. 

    B

    Enable Internet Connection Sharing for the DSL connection properties. 

    C

    CLEAR THE Use default gateway on remote network check box. 

    D

    Clear the Require data encryption check box. 


    正确答案： A
    解析： 暂无解析

  • 第13题：

    ou need to configure fine-grained access control to external network resources from within your database. You create an access control list （ACL） using the DBMS_NETWORK_ACL_ADMIN package.  Which statement is true regarding the ACL created？（）

    • A、 It is a list of remote database links stored in the XML file that are available to the users of the database.
    • B、 It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.
    • C、 It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.
    • D、 It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.

    正确答案:B

  • 第14题：

    You want to provide all users in your corporation with a single agent that provides access to multiple connection types conditionally. For example, you connect to the Junos Pulse Access Control Service if you are connected to the intranet, but you connect to the Junos Pulse Secure Access Service if you are on a remote network. Which agent should you use for this type of connection requirement?（）

    • A、Junos Pulse should be configured with location awareness rules configured.
    • B、Odyssey Access Client should be installed with Host Checker configured to check the client's location.
    • C、Junos Pulse should be configured with all components installed.
    • D、Agentless access should be enabled so that clients can connect to any service without concern for installing an agent.

    正确答案:A

  • 第15题：

    What does it mean if a backup is expired?（）

    • A、The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. 
    • B、The backup set has one or more invalid blocks in it and is not usable for recovery. 
    • C、The backup set contains one or more tablespaces no longer in the database.  
    • D、The backup set contains one or more missing backup set pieces.
    • E、The backup set is from a previous version of RMAN and was not upgraded. 

    正确答案:D

  • 第16题：

    You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a SQL Server 7.0 database. You upgrade the database to the SQL Server instance. According to the company requirement, you must make sure that suspect pages can be detected in the database. So what action should you perform to achieve this goal?（）

    • A、For the database, you should turn on the TRUSTWORTHY database option
    • B、For the database, the PAGE_VERIFY database option should be set to CHECKSUM
    • C、For the database, the database compatibility level option should be set to 10
    • D、For the model database, the PAGE_VERIFY database option should be set to TORN_PAGE_DETECTION. 

    正确答案:B

  • 第17题：

    You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）

    • A、Configure the DSL connection to use PPTP instead of L2TP. 
    • B、Enable Internet Connection Sharing for the DSL connection properties. 
    • C、CLEAR THE Use default gateway on remote network check box. 
    • D、Clear the Require data encryption check box. 

    正确答案:C

  • 第18题：

    You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances.  Which service should you start?（）  

    • A、Server 
    • B、SQL Server Agent 
    • C、SQL Server Browser 
    • D、SQL Active Directory Helper

    正确答案:C

  • 第19题：

    单选题
    You need to configure fine-grained access control to external network resources from within your database. You create an access control list (ACL) using the DBMS_NETWORK_ACL_ADMIN package. Which statement is true regarding the ACL created?（）
    A

    It is a list of remote database links stored in the XML file that are available to the users of the database.

    B

    It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.

    C

    It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.

    D

    It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    You want to provide all users in your corporation with a single agent that provides access to multiple connection types conditionally. For example, you connect to the Junos Pulse Access Control Service if you are connected to the intranet, but you connect to the Junos Pulse Secure Access Service if you are on a remote network. Which agent should you use for this type of connection requirement?（）
    A

    Junos Pulse should be configured with location awareness rules configured.

    B

    Odyssey Access Client should be installed with Host Checker configured to check the client's location.

    C

    Junos Pulse should be configured with all components installed.

    D

    Agentless access should be enabled so that clients can connect to any service without concern for installing an agent.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a SQL Server 7.0 database. You upgrade the database to the SQL Server instance. According to the company requirement, you must make sure that suspect pages can be detected in the database. So what action should you perform to achieve this goal?（）
    A

    For the database, you should turn on the TRUSTWORTHY database option

    B

    For the database, the PAGE_VERIFY database option should be set to CHECKSUM

    C

    For the database, the database compatibility level option should be set to 10

    D

    For the model database, the PAGE_VERIFY database option should be set to TORN_PAGE_DETECTION. 


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    You install Windows 2000 Professional on your portable computer. You create a new dial up connection to connect to your company’s remote access server. You connect to the remote access server by using the dial up connection. You can connect to the servers on the same segment as the remote access server. You cannot access the shared resources that are on the remote segments from the remote access server. What should you do？ （）
    A

    Configure the company remote access server to accept multilink connections.

    B

    Configure the TCP/IP program for the dial up connection to disable IP header compression.

    C

    Configure the TCP/IP properties for the dial up connection to use the default gateway on theremote network.

    D

    Grant your user account dial in permission on the company remote access server.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    ou need to configure fine-grained access control to external network resources from within your database. You create an access control list （ACL） using the DBMS_NETWORK_ACL_ADMIN package.  Which statement is true regarding the ACL created？（）
    A

     It is a list of remote database links stored in the XML file that are available to the users of the database.

    B

     It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.

    C

     It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.

    D

     It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.


    正确答案： D
    解析： 暂无解析

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