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单选题
A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later， the client calls and says that the burner is no longer working. The technician learns that the drive reads CDs and DVDs， but will no longer burn DVDs. When arriving on site， what is the FIRST action that the technician should take？（）
A
check for a faulty IDE cable
B
be sure that the DVD+R is formatted before using it
C
check for incompatible media
D
re-install the DVD burning software
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更多 “单选题A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later， the client calls and says that the burner is no longer working. The technician learns that the drive reads CDs and DVDs， but will no longer burn DVDs. When arriving on site， what is the FIRST action that the technician should take？（）A check for a faulty IDE cableB be sure that the DVD+R is formatted before using itC check for incompatible mediaD re-install the DVD burning software” 相关考题
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A technician needs to ping a client’s machine that the technician is working on, to ensure that thenetwork card is functioning correctly. Which of the following IP addresses should be used?()
A.10.76.0.1B.127.0.0.1C.192.168.0.1D.255.255.255.0
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A technician needs to ping a client’s machine that the technician is working on, to ensure that thenetwork card is functioning correctly. Which of the following IP addresses should be used?（）A、10.76.0.1B、127.0.0.1C、192.168.0.1D、255.255.255.0
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A user reports being occasionally disconnected from the server. Which of the following tools couldthe technician use to determine if it is the client or the server that is dropping the connection?（）A、Packet snifferB、MultimeterC、Load balancerD、Throughput tester
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A user has been having difficulty with their PC. Which of the following is the BEST response atechnician should give when a user asks for the definition of a particular bluescreen message?（）A、“It is a message that informs the technician of what hardware needs to be replaced.”B、“A bluescreen message is just another name for an error.”C、“It provides the technician with more information about the problem.”D、“It is a complex message that is very difficult to explain to those who are not familiar with computers.”
考题
A user reports sporadic connectivity with their wireless connection. A technician determines the wireless speed reported by the laptop to be 1Mbps. Which of the following is the MOST likely cause of this issue?（）A、The client does not support 802.11nB、Incorrect frequency on the client is being usedC、Incorrect encryption on the APD、The client distance from the AP
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考题
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考题
A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later， the client calls and says that the burner is no longer working. The technician learns that the drive reads CDs and DVDs， but will no longer burn DVDs. When arriving on site， what is the FIRST action that the technician should take？（）A、check for a faulty IDE cableB、be sure that the DVD+R is formatted before using itC、check for incompatible mediaD、re-install the DVD burning software
考题
You are creating a Windows Communication Foundation (WCF) service. The service endpoints change frequently. On the service, you add a new ServiceDiscoveryBehavior to the Behaviors collection of the ServiceHost Description property. You need to ensure that client applications can communicate with the service and discover changes to the service endpoints. What should you do?（）A、Add a new ServiceDiscoveryBehavior to the Behaviors collection in the client application.B、Add a new AnnouncementClient to the Behaviors collection in the client application.C、Use the FindCriteria class and the UdpDiscoveryEndpoint class to set up the binding in the client application.D、Use the DiscoveryProxy class and the EndpointDiscoveryMetadata class to set up the binding in the client application.
考题
You are developing a Windows Communication Foundation (WCF) client application. The client application contains the following code. [ServiceContract] public interface ISocialStatus { [OperationContract] [WebInvoke(UriTemplate = "/statuses/update.xml?status-{text}")] void UpdateStatus(string text); } public class SocialClient : ClientBase, ISocialStatus { ... } The configuration file contains the following lines. binding="webHttpBinding" contract="SocialApp.ISocialStatus" bindingConfiguration="BindingConfig" / You need to ensure that the service is consumed. Which code segment should you use?（）A、var client = new SocialClient("SocialClient"); client.Endpoint.Behaviors.Add(new WebHttpBehavior());B、var client = new SocialClient("SocialClient"); client.Endpoint.Behaviors.Add(new WebScriptEnablingBehovior());C、var client = new SocialClient("POST"); client.Endpoint.Behaviors.Add(new WebHttpBehovior());D、var client = new SocialClient("POST"); client.Endpoint.Behaviors.Add(new WebScriptEnablingBehavior());
考题
You are creating a client application and configuring it to call a Windows Communication Foundation (WCF) service.When the application is deployed, it will be configured to send all messages to a WCF routing service. You need to ensure that the application can consume the target service after the application is deployed. What should you do?（）A、In the client application, add a service reference to the router service. In the client binding configuration, specify the address of the router service.B、In the client application, add a service reference to the target service. In the client binding configuration, specify the address of the target service.C、In the client application, add a service reference to the router service. In the client binding configuration, specify the address of the target service.D、In the client application, add a service reference to the target service. In the client binding configuration, specify the address of the router service.
考题
You are designing a DNS Name resolution strategy for the client computer in the customer service department. What are the two possible ways to achieve the goal?（）A、Create a reverse lookup zone in DNS for each new Domain.B、Add a WINS lookup record to the DNS forward lookup zone.C、Add a WINS reverse record to the DNS reverse lookup zone.D、Enable Dynamic updates for DownLevel client computers on each DHCP server.E、Install the Active Directory Client on All Computers in the Customer service department.
考题
单选题A technician needs to ping a client’s machine that the technician is working on, to ensure that thenetwork card is functioning correctly. Which of the following IP addresses should be used?（）A
10.76.0.1B
127.0.0.1C
192.168.0.1D
255.255.255.0
考题
单选题A user reports sporadic connectivity with their wireless connection. A technician determines the wireless speed reported by the laptop to be 1Mbps. Which of the following is the MOST likely cause of this issue?（）A
The client does not support 802.11nB
Incorrect frequency on the client is being usedC
Incorrect encryption on the APD
The client distance from the AP
考题
单选题A technician supports users in a client/server environment. A user suddenly cannot access any network resources. The user tried to logon to a known working computer but was unsuccessful.Which of the following should the technician check FIRST？（）A
Check if the user account is lockedB
Check group policyC
Check the drive for fragmentationD
Check NTFS permissions
考题
单选题A Windows Communication Foundation (WCF) service listens for messages at net.tcp://www.contoso.com/MyService.It has a logical address at http://www.contoso.com/MyService. The configuration for the WCF client is as follows:The generated configuration does not provide enough information for the client to communicate with the server.You need to update the client so that it can communicate with the server. What should you do?（）A
In the client configuration, change the value of the address attribute to net.tcp://www.contoso.com/MyServiceB
In the client configuration, change the value of the address attribute to net.tcp://www.contoso.com/MyService listen=http://www.contoso.com/MyService.C
After instantiating the client and before invoking any service operation, add this line of code. EndpointBehaviors.Add(new EndpointDiscoveryBehavior(){ Enabled = true });D
After instantiating the client and before invoking any service operation, add this line of code. client.Endpoint.Behaviors.Add(new ClientViaBehavior(new Uri(net.tcp://www.contoso.com/IMyService)));
考题
单选题A client purchased a new internal hard drive to act as a second drive on a legacy machine. When the client attempts to install the drive, the cable connector on the new drive is not compatible with the available IDE cables. It is determined that the client has purchased a SATA hard drive. Which of the following would the technician recommend as the BEST solution to this situation?（）A
Have the client purchase a SATA compatible system board.B
Have the client purchase a SATA to IDE conversion kit.C
Have the client return the drive and purchase an IDE compatible drive.D
Have the client purchase a SCSI to SATA conversion kit.
考题
单选题A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）A
Default gatewayB
Network cableC
Subnet maskD
CNAME record
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