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Completing A Communications Design
After you have absorbed the technical components and guidelines of A+ certification design and used this knowledge to select VPN protocols, understand trust relationships, and design parts of a VPN infrastructure, you must learn how to put these pieces together with business drivers, interoperability concerns, and technical limitations. Only then will you be able to formulate a complete and secure communications infrastructure.
After this lesson, you will be able to
Describe the process of designing secure communications.
Translate business needs into technical solutions.
Answer interoperability and technical limitations as part of the design.
The Process: Designing Secure Communications
The process of designing secure communications between networks consists of the following steps:
1.Survey remote access requirements, current network infrastructure, and the client operating system type.
2.Translate business requirements into technical solutions.
3.Answer interoperability concerns and technical limitations.
4.If communications ...
... are required with external organizations, design the trust infrastructure.
5.Select the type of VPN: either Remote Access or site-to-site.
6.Select the VPN protocol.
7.Design VPN connectivity:
Design the network placement of VPN servers and IAS servers.
Designate a firewall configuration to support free CIW exam questions your remote access design.
These steps are not always done in exactly this order. The process is iterative. When considering business requirements, you might decide that a specific VPN protocol will be required. When considering trust relationships, you might get an idea of the certificate needs for computers but not be able to identify exactly what is needed until you have developed the design a little further.
Most of the steps just listed have been presented in the previous lessons in this chapter. However, two specific items—translating business requirements into technical solu?tions, and resolving interoperability concerns and technical limitations were not. These processes were examined in Chapter 1, and you should examine that chapter again if you need to. However, a few more words are necessary to explain how you might approach these
free MCSE PDF questions issues when designing secure communications between networks.
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