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Proxy Server Integration Benefits - Quiz

Each question is worth one point. Select the best answer or answers for each question.
1. Your organization is spread across different geographical sites. The central office is in Dallas, TX and the Internet-access point for all hosts is via a T3 connection at the Dallas office. There are also offices in San Francisco, CA and in Spokane, WA. The remote offices connect to the Dallas office via open Internet connections and access Internet resources via the Dallas T3 line. You want to be able to control access to variable network services on a granular basis, depending on what site the user is located. You also need to be sure that no one is able to intercept any data traveling between the sites. How many of the following actions would help you to attain your goals?
Please select all the correct answers.
  A. Create VPN connections between the remote sites and the Dallas site.
  B. Use L2TP/IPSec as your tunneling protocol and data-encryption method for your tunnels.
  C. Install a single proxy server at the Dallas site.
  D. Install a proxy server at the edge of each location, and a proxy server at the Dallas site.

2. You would like to enable Proxy Server 2.0 to use a nonpersistent connection, such as a dial-up ISDN line. This dial-up ISDN connection will be used to connect one of your remote offices to the central office of your company. Because of high security requirements, you must use a tunneling protocol with this dial-up connection. How many of the following activities would be helpful in accomplishing this task?
Please select all the correct answers.
  A. Creating a demand-dial interface to the ISP
  B. Creating a demand-dial interface for the VPN connection
  C. Configuring the proxy server to use the VPN interface
  D. Configuring a static route
  E. Using a DMZ between the internal network and the Internet