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A. A primary DNS server
B. An SUS server
C. A DHCP relay agent
D. A master DNS server
E. An SMTP server

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Microsoft 70-291 Practice Exam
Asked by Lane, Last updated: Jun 22, 2020

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John Smith

John Smith

Answered Sep 08, 2016

A dhcp relay agent-explanation: you should install a dhcp relay agent on subnetb. dhcp clients use broadcasts to find a dhcp server and request tcp/ip settings. typically, these broadcasts cannot cross routers. a dhcp relay agent is a computer that listens for dhcp client broadcasts and sends them to the router on the local subnet, which can then transmit the dhcp requests to a remote network segment. some routers are rfc 1542-compliant, which means that they can transmit dhcp client broadcasts without the aid of a dhcp relay agent. you can use the ip relay add dhcpserver command in the routing context of the netsh command to configure a network interface as a dhcp relay agent. this command can be used in a batch file to configure multiple interfaces on a single computer or multiple computers as dhcp relay agentsa primary domain name system (dns) server hosts the master copy of a dns zone database. a secondary dns server contains a read-only copy of a dns zone database, which it obtains from a master dns server. a software update services (sus) server can be configured to provide network computers with updates downloaded from the windows update web site. a simple mail transfer protocol (smtp) server provides e-mail message services for e-mail clients.
 

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