Designing and planning messaging services

Questions derived from the 70-237 – Pro: Designing Messaging Solutions with Microsoft Exchange Server 2007 Microsoft Self-Test Software Practice Test.


Objective: Designing and planning messaging services
SubObjective: Evaluate and plan server deployment based on best practices, budget and other business factors


Item Number: 70-237.1.2.2
Multiple Answer, Multiple Choice


You are the messaging engineer for your organization. You plan to deploy Exchange Server 2007 server in your organization, limiting the number of servers to as few as possible. Which Exchange Server roles should you deploy to protect your Exchange environment from unwanted message traffic, such as spam, and intelligently route messages within an Exchange 2007 environment? (Choose two.)



  1. Client Access Server
  2. Edge Transport Server
  3. Hub Transport Server
  4. Unified Messaging

Answer:
B. Edge Transport Server
C. Hub Transport Server


Tutorial:
To protect your Exchange environment from unwanted message traffic and intelligently route messages within an Exchange 2007 environment you should deploy Edge Transport Server and Hub Transport Server roles.


The Edge Transport Server role protects your Exchange environment from unwanted message traffic such as antivirus and spam, and it is deployed outside the Active Directory forest in the perimeter network. Edge Transport Server allows you to inspect inbound e-mails in the perimeter network for spam and viruses. You should ensure anti-spam components in Exchange Server 2007 are up to date. Besides using Windows Update, you can use Microsoft Exchange 2007 Standard Anti-spam Filter Updates and Microsoft Forefront Security for exchange servers. Microsoft Exchange 2007 Standard Anti-spam Filter updates every two weeks. Microsoft Forefront Security for Exchange Server Filter updates every 24 hours.


The Hub Transport Server role helps you intelligently route messages within an Exchange 2007 environment. The Hub Transport Server routes a message destined to multiple recipients by identifying the most efficient route to send the message. The Hub Transport Server keeps the messages intact for multiple recipients until the most appropriate endpoint by transmitting only one copy of the message to the server. At the server, the message is broken apart with a copy of the message dropped into each of the recipient’s mailboxes at the endpoint.


The Hub Transport role, Client Access role and Mailbox Server roles of Exchange Server 2007 can be installed on a single server. The Edge Transport Server role cannot be installed on a server that holds other roles. Therefore, the Edge Transport Server needs to be installed on a separate server. If you need to deploy an Edge Transport Server with another Exchange Server 2007 server to implement the various server roles, you should use two different Exchange 2007 servers.


Deploying the Client Access Server role will not help you achieve the objective. This role in Exchange Server 2007 is required to communicate between themselves and Mailbox Servers. The Client Access Server role controls access to mailboxes from all clients that are not using Microsoft Outlook and do not use Messaging Application Programming Interface (MAPI) connections by using Outlook Web Access (OWA), Exchange ActiveSync, Outlook Anywhere, Post Office Protocol 3 (POP3), or Internet Message Access Protocol (IMAP4).


Deploying the Unified Messaging role will not help you achieve the objective. The Unified Messaging role allows integrating fax, voice mail and e-mail into a user’s mailbox. It is recommended that the Unified Messaging role be installed only when the infrastructure to support this role already exists. The Unified Messaging role requires integration with a third-party Private Branch Exchange (PBX) system.


Reference:
Exchange 2007 – Server Roles


Microsoft Exchange Server 2007 Unleashed, Chapter 1: Exchange Server 2007 Technology Primer, Identifying Exchange Server 2007 Server Roles, p. 25.

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