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What is a computer network?
Computer Network is a collection of distributed intelligent devices that are connected with each other with transmission media for the purpose of data sharing, communication and sharing of computer resources.
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
Q. Building a Defense in networking? When building a defense you must use a layered approach that includes securing - The network infrastructure the communications protocol
What is Microwave? Microwaves have been used in data communications. Microwave has a higher frequency than radio waves and thus can handle larger amounts of data.
Assume that a user wants to download from a server a web page that references 3 objects. The base page and each of the objects are of the same size that requires 20 ms transmission
What is one basic requirement for establishing VLANs? A VLAN needs dedicated equipment on each end of the connection that permits messages entering the Internet to be encrypted
Q. What is an Error? At any time bits flow from one point to another they are subject to unpredictable changes because of interference The interference is able to change the
Layers, Massages, Segments, Datagram's and Frames Figure 2.15 show the physical path data takes down a sending end systems protocol stack up and down the protocol stac
Synchronous Synchronous traffic is able to consume a portion of the 100 Mbps total bandwidth of an FDDI network while asynchronous traffic can consume the rest. Synchronous
What are gateways? Gateways give connectivity among two or more network segments. It is usually a computer that runs the gateway software and gives translation services. This t
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