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Designing a Remote Access Strategy
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Charge card numbers are given over the telephone and inputted into the systems by reservation clerks.
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Each branch office supports the hotel property, which includes the restaurants and golf shops. Fiber-optic cable is run underground to most facilities and is connected to a main dedicated building that houses all of the network s technological equipment such as servers, routers, and switches. There are many small offices throughout the properties, where managers use dial-in services to query several databases for hotel occupancy numbers.
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The company is considering developing a Web-based application that would allow customers to make their reservations online. The system would need to securely accept charge card and debit payments from customers.
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Given the previous scenario, answer the following questions. 1. Several of the golf shops located on the Maui complex are too far away from the building that houses the computer infrastructure, including the fiber-optic cable run. These golf shops are running stand-alone applications that require the shop clerk to enter all of the customer information into the system, save it to diskette, and load it on the Windows Server 2003 server later in the evening. This has caused major problems, and you have been asked to come up with a solution to this problem. What would you suggest to management to improve on the current method
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2. Managers who are accessing the network using modems are complaining that they always get a busy signal when trying to connect early in the morning. It is critical that all managers can get information regarding occupancy rates any time of day because they must sometimes relay this information to sales staff selling large travel packages. During golf tournaments, occupancy is very high and rooms are scarce. What solution could you offer to help alleviate this problem
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Designing a Remote Access Strategy
3. Because of the time difference in Japan, several managers ask if it would be pos sible for them to access the internal network from their homes, where they use cable modems to access the Internet. They want to be able to access the com pany s private network s databases and give information to their partners in Japan. What network service would you recommend to offer a solution to their problem
4. You need to come up with the various authentication methods remote access cli ents can use to connect to your NAS. Which method is the least secure Which method is the most secure
Summary
Remote access networking gives users the ability to remotely connect to a corpo rate network or to the Internet. A dial-up client connects to a remote access server through a physical connection to the remote access server. Dial-up clients use the telecommunications infrastruc ture to create the connection to the remote access server. A VPN client connects to a network using the Internet, or public network, as its backbone. It uses TCP/IP protocols and tunneling protocols such as PPTP and L2TP. Wireless clients connect to a network by using radio frequencies from 2.4 GHz to 5.0 GHz, depending on which 802.1x wireless standard is being followed, infrared (IR), which uses the frequency a little below visible light, or spread-spectrum sig nals, which send data over multiple frequencies. Extensible Authentication Protocol (EAP) provides the framework for such tech nologies as smart cards and biometric devices. Biometrics uses a person s physical attributes as a means of authentication. Before a conceptual remote access design can be created, a thorough understanding of the present network topology and documentation (network maps, inventory of all servers and workstations, and so on) must be available. To ensure that the network access servers are available to users, you should con sider having an additional server configured in each subnet servicing the remote access infrastructure, for both redundancy and survivability.
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