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?（） [" Add a new ServiceDiscoveryBehavior to the Behaviors collection in the client application."," Add a new AnnouncementClient to the Behaviors collection in the client application."," Use the FindCriteria class and the UdpDiscoveryEndpoint class to set up the binding in the client application."," Use the DiscoveryProxy class and the EndpointDiscoveryMetadata class to set up the binding in the client application."]
简述在计算机中为什么常采用二进制数表示数据。
Which of the following three port types are valid Spanning Tree port types？（Choose the best threeanswers.）（） ["Designated port","Nonswitch port","Switch port","Nonroot port","Nondesignated port","Root port"]
You have a domain controller named DC1 that runs Windows Server 2008 R2. DC1 is configured as a DNS server for contoso.com. You install the DNS Server server role on a member server named Server1 and then you create a standard secondary zone for contoso.com. You configure DC1 as the master server for the zone. You need to ensure that Server1 receives zone updates from DC1. What should you do（） ["On Server1， add a conditional forwarder.","On DC1， modify the permissions of contoso.com zone.","On DC1， modify the zone transfer settings for the contoso.com zone.","Add the Server1 computer account to the DNSUpdateProxy group."]
Your network contains a server that runs Windows Server 2008. The server has the Network Policy Server （NPS） service role installed. You need to allow only members of a global group named Group1 VPN access to the network. What should you do？（） ["Add Group1 to the RAS and IAS Servers Group","Add Group1 to the Network Configuration Operators group","Create a new network policy and define a group-based connection for Group1. Set the access permission of the policy to Access granted. Set the processing order of the policy to 1","Create a new network policy and define a group-based condition for Group1. Set the access permission of the policy to Access Granted. Set the processing of the policy to 3."]
沙门思潮
