单选题In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic.    What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?()AConfigure a Work Manager for the MDB with a Maximum Thread Constraint.BConfigure a Work Manager for the MDB with a Minimum Thread Constraint.  CConfigure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity Constraint. DConfigure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. EConfigure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.

单选题
In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic.    What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?()
A

Configure a Work Manager for the MDB with a Maximum Thread Constraint.

B

Configure a Work Manager for the MDB with a Minimum Thread Constraint.  

C

Configure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity  Constraint. 

D

Configure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. 

E

Configure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.


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Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?()A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.B. Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.C. Use class-based policing to limit the peer-to-peer traffic rate.D. Use class-based shaping to delay any excessive peer-to-peer traffic. Answer: C

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You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You host the Web application in Microsoft Internet Information Services (IIS) 6.0. You browse theapplication and receive the following error message:  Server Application Unavailable  The web application you are attempting to access on this web server is currently unavailable.Please hit the "Refresh" button in your web browser to retry your request.  You view the Application event log and discover the following message:  It is not possible to run two different versions of ASP.NET in the same IIS process. Please use theIIS Administration Tool to reconfigure your server to run the application in a separate process.  To ensure productivity you need to solve this problem as quick as possible.  What should you do?()A、You should change the IIS isolation mode.B、You should assign the application to another application pool.C、You should configure all applications that are part of your application's application pool in orderto use the same version of ASP.NET.D、You should run the Aspnet_regiis.exe Tool.E、You should restart the application pool that hosts the application.

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单选题You are the network administrator for your company. The network contains an application server running Windows Server 2003.   Users report that the application server intermittently responds slowly. When the application server is responding slowly, requests that normally take 1 second to complete take more than 30 seconds to complete. You suspect that the slow server response is because of high broadcast traffic on the network.   You need to plan how to monitor the application server and to have a message generated when broadcast traffic is high. You also want to minimize the creation of false alarms when nonbroadcast traffic is high.   What should you do?  ()A Use the Alerts option in the Performance Logs and Alerts snap-in to configure an alert to trigger when the Datagrams/sec counter in the UDPv4 object is high.B Use System Monitor and configure it to monitor the Segments/sec counter in the TCPv4 object.  C Use System Monitor and configure it to monitor the Datagrams/sec counter in the UDPv4 object.D Use the Alerts option in the Performance Logs and Alerts snap-in to configure an alert to trigger when the Datagrams/sec counter in the TCPv4 object is high.

单选题An airline is building a booking system for its premium and general customers. The goal is to ensure premium members are given higher access priority when user traffic is high.    What configuration will achieve this goal?()AConfigure a Work Manager for premium users with a Minimum Thread Constraint.BConfigure a Work Manager for premium users with a higher fair-share-request-class.CConfigure a Work Manager for premium users with a higher response-time-request-class.DConfigure a Work Manager general users with a Maximum Thread Constraint.EConfigure a Work Manager for premium users with a custom request-class.

单选题Your portable computer is in sleep mode. When you resume work on the portable computer, you are not prompted for a password.  You need to ensure that you are prompted for a password each time the portable computer recovers from sleep mode.  What should you do?()AConfigure the computer to hibernate when not in use.BIn the current power plan settings, configure the computer to require a password when recovering from sleep mode.CConfigure the computer to use the High Performance power plan.DConfigure the screen saver settings to require a password on resumption of work.

多选题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You host the Web application in Microsoft Internet Information Services (IIS) 6.0. You browse theapplication and receive the following error message:  Server Application Unavailable  The web application you are attempting to access on this web server is currently unavailable.Please hit the "Refresh" button in your web browser to retry your request.  You view the Application event log and discover the following message:  It is not possible to run two different versions of ASP.NET in the same IIS process. Please use theIIS Administration Tool to reconfigure your server to run the application in a separate process.  To ensure productivity you need to solve this problem as quick as possible.  What should you do?()AYou should change the IIS isolation mode.BYou should assign the application to another application pool.CYou should configure all applications that are part of your application's application pool in orderto use the same version of ASP.NET.DYou should run the Aspnet_regiis.exe Tool.EYou should restart the application pool that hosts the application.

单选题In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic.    What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?()AConfigure a Work Manager for the MDB with a Maximum Thread Constraint.BConfigure a Work Manager for the MDB with a Minimum Thread Constraint.  CConfigure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity Constraint. DConfigure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. EConfigure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.