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The Point-to-Point Protocol (PPP) is a data link protocol generally used in establishing a direct connection between two networking systems. It can give connection authentication, compression, and transmission encryption (having ECP, RFC 1968).
PPP is used over many kinds of physical networks adding serial cable, trunk line, phone line, cellular telephone, specialized radio fiber optic, and links such as SONET. PPP is also used over Internet access connections. Internet service providers (ISPs) have needed PPP for customer dial-up access to the Internet, since IP messages cannot be transmitted over a modem line on their own, without message data link protocol. Two encapsulated parts of PPP, Point-to-Point Protocol over ATM (PPPoA) and, Point-to-Point Protocol over Ethernet (PPPoE) are used most generally by Internet Service Providers (ISPs) to connect a Digital Subscriber Line (DSL) Internet service connection with users.
DIRECT INDEXING It is less usually known method. It is possible only is cases where protocols address are given from a compact range. In the diagram below an example of direct
GROWTH OF LAN TECHNOLOGY The production of shared communication channels (LANs) started in 1960s and early 1970. The basic idea behind was to reduce the number of connectio
SUCCESS OF IP: IP has accommodated dramatic modification since real design. But basic rules are still appropriate today. There are many new kinds of hardware. SCALING:
on LAN,where are IP datagrams transported?
You are hired as a consultant to help design a digital library in which books are scanned and stored digitally and made available to users of the World Wide Web. Assume that the li
Early networks used simple point-to-point communication . In such a method of communication every communication channel connects exactly two devices. In this way it prepares a m
Question 1 Explain the types of threats (Attacks) Question 2 What are the Characteristics of Good Encryption Technique? Question 3 Write a note on Digital Signatur
Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef
ADDRESS MASKS To identify receiver, network apply address mask to receiver address and calculate to network address in routing table. It can use Boolean 'and' to calculate the
Risk Control Strategies Once the ranked vulnerability risk worksheet has created, they should choose one of following 4 strategies to control each risk: •Apply safeguards which
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