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Defining IPsec

Last Updated On : Saturday, May 23, 2015Internet Protocol Security (IPsec) is a protocol within the TCP/IP suite that encrypts and authenticates IP packets. It is designed to secure any application traffic because it resides on the network layer (or Internet layer, as TCP/IP programmers refer to it). This protocol is used in conjunction with […]

Defining Other WAN Technologies and Internet Connectivity

Last Updated On : Saturday, May 23, 2015Although Frame Relay and T-carriers are common WAN connectivity technologies, there are also other types of connections that a company might opt for, such as ISDN, ATM, SONET, cable, or DSL. This section defines those other WAN technologies. The Integrated Services Digital Network (ISDN) is a digital technology […]

Defining T-Carriers

Last Updated On : Saturday, May 23, 2015T-carriers are interfaces implemented in mid-sized and large organizations that carry data at high speeds, generally 1.544 MB/s or higher. This section defines a few of the common T-carrier lines. A T-carrier or telecommunications carrier system is a cabling and interface system designed to carry data at high […]

Defining Packet Switching

Last Updated On : Saturday, May 23, 2015Packet switching is how data packets are moved over switched wide area networks. Types of packet switching services include X.25 and Frame Relay. This section defines those two services. Most WANs utilize some type of packet switching technology. Let’s discuss the technology world prior to packet switching and […]

Identifying Static and Dynamic Routing

Last Updated On : Saturday, May 23, 2015A static route is one that has been manually configured. A dynamic route is one that has been implemented dynamically with special routing protocols. In this section, we will configure RRAS statically and then add the Routing Information Protocol (RIP) to allow for dynamic routing. Static routing refers […]