You are the network administrator for Company. Company's network structure is growing in size and has several branch offices. The internal users require access to external resources. Each user's…

Question

Options

• AConfigure the ISA Sever computers to stand alone to block port 80.
• BInstall Network Address Translation (NAT) protocol on a stand-alone router and use a public IP
• CInstall Network Address Translation (NAT) protocol and configure a domain controller for user
• DInstall ISA Server on the computer and configure Internet access on a user-byuser basis and for

• A
  7% (3)
• B
  2% (1)
• C
  12% (5)
• D
  79% (34)

Explanation

Explanation: Apart from protecting the network from outside intrusion, ISA provides extensive internal security capabilities. Using a policy-based model, you can monitor and regulate user access to the Internet. Using a firewall client provided with the product, you can require users to authenticate to the ISA server before they are granted Internet access and grant them specific levels of access based on their identities. This means you can easily control user access to specific Internet applications and locations as well as maintain logs of Internet activities. You can also limit the time users can spend on the Internet by scheduling the hours when access is available. In this scenario you have to install ISA server on the computer and configure Internet access on a userby-user basis and for Web caching so as to control Internet usage and improve performance. Incorrect answers: A: Port 80 would mean that you block only HTTP traffic. This alone will not be controlling internet B, C: Network Address Translation (NAT) is a technology that enables a local-area network (LAN) to use one set of Internet Protocol (IP) addresses for internal traffic and a second set of addresses for external traffic. Whether it is installed on a standalone router and using a public IP address on the private network or configured as a domain controller for user authentication will not suffice in Infrastructure, Microsoft Press, Redmond, 2004, Chapter 3, p. 30

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