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Q. Show the Vulnerability of the Internet?
More vulnerable than private network.
Wide inter-network connection.
Easy access by mass public world-wide.
Lack of build in monitoring and security control with TCP/IP.
Extensibility of web technology creates many security flaws.
Attacks can be automated, anonymous, worldwide, and difficult to detect.
Wireless Phone Company (WLPC) is a provider of wireless phone service in the US with 100,000 customers serving mostly small markets. WLPC has just purchased additional airwaves in
I need help in designing a network for a fictional company.
What is the main purpose of OSPF? OSPF, or Open Shortest Path First, is a link-state routing protocol that uses routing tables to verify the best possible path for data exchang
Q. Calculate Utilization percentage of the link? - System: Stop and wait ARQ - Bandwidth: 1Mbps - Round trip for one bit: 20ms - Frame length: 1000 bits Utilizatio
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
The most expensive method of accessing the Internet is to employ leased lines that directly connect to the ISP. This will enhance access rate to anywhere between 64 K and 1.5 Mbps,
Hardware requirement for an intranet To setup a WAN, one would need to have some type of communication between different sites. National ISDN, Very Small Aperture Terminal (VSA
Describe difference among Single path and Multipath?
What is the Frame relay, in which layer it comes? Ans) Frame relay is an industry standard, shared access, switched Data Link Layer encapsulation that services many virtual circ
DLCI- Data Link Connection Identifier. A frame-relay service provider usually assigns DLCI values that are used by frame-relay to distinguish among different virtual circuits on th
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