Which methods can be used to purge messages?

You are the systems administrator for your company. You install Microsoft Forefront Security for Exchange Server on the Messaging Server in your Windows Essential Business Server 2008 network. You want to ensure that any message infected by a worm is detected on the network and is purged.

Which methods can be used to purge messages? (Choose all that apply.)

You are the systems administrator for your company. You install Microsoft Forefront Security for Exchange Server on the Messaging Server in your Windows Essential Business Server 2008 network. You want to ensure that any message infected by a worm is detected on the network and is purged.

Which methods can be used to purge messages? (Choose all that apply.)

A.
by using the Realtime scanner

B.
by using the Transport scanner

C.
by using the Manual scanner

D.
by using file filtering

Explanation:
You can use the Realtime scanner, Transport scanner, or file filtering to purge infected messages. Forefront Security for Exchange Server allows you to configure the Transport Scan Job and the Realtime Scan Job to purge messages infected by worms. Additionally, you can use file filtering to purge worm viruses. File filtering allows you to prevent a new worm from spreading before a scanner engine is updated. A Realtime Scan Job runs on the Exchange server to provide immediate scanning of e-mail messages that are sent or received by the mailboxes and public folders resident on the server. The Transport Scan Job runs on an Exchange 2007 server with either a Hub Transport or an Edge Transport role installed. Transport Scan Job is used to scan all inbound or outbound Multipurpose Internet Mail Extensions (MIME) and UUENCODE-based e-mail messages for viruses in attachments and for embedded and HTML viruses in the message body. The file filtering feature is used to search for attachments with specific name, type, and size within an email message.

You cannot use a Manual scanner to purge worms from messages because Forefront Security for Exchange Server does not support message purging during a manual scan. The Manual Scan Job is used to scan mailboxes that are not covered by the Realtime Scan Job or that contain messages predating the installation of Forefront Security for Exchange Server



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