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As the Internet started, the original Classful addressing procedure became a limitation. The IP address space was being terminated because all networks had to select one of three possible sizes. Many addresses were not used.
Two new methods were invented to overcome the limitations, which are as given:
Instead of having three different address classes, allow the division between suffix and prefix to occur on an arbitrary boundary. The classless addressing scheme answers the problem by allowing an ISP to give a prefix. Prefix is 28 bits long.
What is IP spoofing and how can it be stopped?
When to use Static routes and dynamic routes?
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
Q. How can data to be exchanged between Networks? Internetwork Links in an internetwork
Prohibited use of VPN
Describe the concept of broad cast and multi-cast?
Optimizing STP Because there is a separate instance of the spanning tree for every active VLAN, a separate root election is conducted for each instance. If the default switch p
Q. Explain about Domain Name System? -In the past, mapping of IP addresses was static using a host file -Impossible in today's dynamic environment -Domain Name System (DN
Increasingly it is the quality of the interface of mobile phones that are giving competitors the edge. Users not only make selections based on cost but also functionality and cert
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
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