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单选题An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is

题目
单选题
An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is the first thing to be checked？（）
A

There is an appropriate number of NFS daemons running on the server machine

B

There is an appropriate number of biod daemons running on the client machine

C

The server is not CPU bound

D

There is an appropriate number of biod daemons running on the server machine

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相似问题和答案

第1题：

Which correctly describes the tiers of the Oracle Workflow architecture?()

A. Oracle Database tier and Application server tier only

B. Oracle Database tier, Application server tier, and End-user client tier only

C. Oracle Database tier, Application server tier, and Development client tier only

D. Oracle Database tier, Application server tier, Development client tier, and End-user client tier


参考答案：D

第2题：

An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is the first thing to be checked？（）

  • A、There is an appropriate number of NFS daemons running on the server machine
  • B、There is an appropriate number of biod daemons running on the client machine
  • C、The server is not CPU bound
  • D、There is an appropriate number of biod daemons running on the server machine

正确答案:B

第3题：

You are a network administrator for your company. All servers run Windows Server 2003. A server namedServer34 runs an application named App1.Users report that App1 is performing slowly. You suspect that an unauthorized application is installed on Server34.You run the netstat command and examine the output, as shown in the exhibit. (Click the Exhibit button.)You need to identify the unauthorized application by using the output from the netstat command.Which tool should you use to identify the application? （）

A. Performance console

B. System Monitor

C. Network Monitor

D. Task Manager


参考答案：D

第4题：

You have a server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）.  Server1 runs an application named App1. All client computers run Windows XP Professional Service Pack 3 （SP3）. Users from a remote network segment report poor performance when they run App1. You need to identify whether the cause of the poor network performance is packet loss.  Which tool should you use？（）

  • A、Netcap.exe
  • B、Netstat.exe
  • C、Pathping.exe
  • D、Tracert.exe

正确答案:C

第5题：

The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）

  • A、 Too many nfsd’s running
  • B、 Client and server with different buffer sizes
  • C、 Bridges， routers or gateways are receiving too many fragmentated packets
  • D、 Too few nfsd’s running

正确答案:B

第6题：

What is the new Oracle Shared Server?（）

  • A、An improved version of multithreaded server configuration. 
  • B、A connection pooling configuration where several clients are connected to the same server process. 
  • C、Two more database servers, which share data by means of database links; the client software is unaware to which server it is connected. 
  • D、A configuration of Real Application Cluster where the client connection is routed to the least busy instance. 

正确答案:A

第7题：

Company.com has a database application and a Web server application running on the same p5-570 server in a single partition. Recently there have been a number of instances where the increased load on the database server has impacted the performance of the Web server. What can the technical specialist recommend to keep the database application from impacting the performance of the Web server？（）

  • A、Create a VLAN between the web server and database server.
  • B、Purchase APV and install the VIOS.
  • C、Increase the priority of the Web server.
  • D、Create separate LPARs for Web and database workloads.

正确答案:D

第8题：

A Windows Communication Foundation (WCF) service only accepts messages that are signed and encrypted. A client application is not receiving expected responses from the service. You need to enable logging to verify that the messages from the client are signed and encrypted. You also need to see what each message looks like before the message body is deserialized into a NET object. What should you do?（）

A.

B.

C.

D.


参考答案：C

第9题：

Company.com has decided to use the FUBAR Application Server to host their web application. Unfortunately， the FUBAR Application Server uses the server machine’s file system for its JNDI namespace. Every JNDI lookup performed in the web application is translated into a file 1/0 operation， which results in very poor performance.  Which J2EE pattern can help with this performance issue？（）

  • A、 Transfer Object
  • B、 Service Locator
  • C、 Intercepting Filter
  • D、 Model-View-Controller

正确答案:B

第10题：

You create Windows Forms application by using the .Net FrameWork 3.5 You plan to deploy a new application to client computers that use the Windows Vista operating system. You need to ensure that the user can install the application without being prompted fore elevated permission.What should you do？（）

  • A、Sign the deployment manifest by using an Authenticode certificate.Publish the application to a CD-ROM.Install the application on each client computer from the CD-ROM
  • B、Sign the deployment manifest by using an Authenticode certificate.Publish the application to a server on the network.Install the application on each client computer.
  • C、Add the requestedExecutionLevel="highestAvailable" attribute to the deployment.Publish the application to a server on the network.Install the application on each client computer.
  • D、Add the requestedExecutionLevel="requiresAdministrator" attribute to the deployment.Publish the application to a server on the network.Install the application on each client computer.

正确答案:A

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