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70-663 · Question #79

70-663 Question #79: Real Exam Question with Answer & Explanation

The correct answer is C. publishing rules for the OWA, EWS, RPC, Autodiscover, and OAB virtual directories. With Exchange 2010, MAPI and directory access connections has moved to Client Access Server This has been done by introducing a new Client Access Server service known as the RPC Client That means that MAPI clients no longer connect directly to a Mailbox server when opening a mail

Question

You have an Exchange Server 2010 organization. Users access the internal network by using a server named ISA1 that runs Microsoft Internet Security and Acceleration (ISA) Server. You need to configure mailbox access from the Internet to meet the following requirements: - Users must be able to download an offline address book (OAB) - Users must be able to access their mailboxes by using Outlook Anywhere - Users must be able to access their mailboxes by using Outlook Web App (OWA) - The solution must minimize administrative overhead What should you create from ISA1?

Options

  • Aan access rule for TCP ports 135, 389, and 993
  • Ban access rule for TCP ports 389, 636, and 1024
  • Cpublishing rules for the OWA, EWS, RPC, Autodiscover, and OAB virtual directories
  • Dpublishing rules for the OWA, Microsoft-Server-ActiveSync, Public, and OAB virtual directories

Explanation

With Exchange 2010, MAPI and directory access connections has moved to Client Access Server This has been done by introducing a new Client Access Server service known as the RPC Client That means that MAPI clients no longer connect directly to a Mailbox server when opening a mailbox. Instead they connect to the RPC Client Access service which then talks to Active directory and Mailbox server. For directory information, Outlook connects to an NSPI endpoint on the Client Access Server, and NSPI then talks to the Active Directory via the Active Directory driver. The NSPI endpoint replaces the DSProxy component as we know from Exchange 2007.

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