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VIRTUAL PACKETS
These data packets serve same reason in Internet as frames on LAN. Every packet has a header. Routers, which are normally gateways, transfer packets between physical networks.
These data packets have a uniform hardware-independent message format. They add header and data and can't use format from any particular system. They are closed in hardware frames from delivery across every physical network.
(a) Draw the waveform for an asynchronous transmission with the given specifications: 8 data bits with value 11010001 (LSB listed first here), one parity bit (even), one star
Question: (a) Explain how the Diffie-Hellman key establishment protocol works. (b) Prove that the Diffie-Hellman key establishment protocol is vulnerable to a `man in the mi
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
BALANCING SECURITY AND ACCESS Even with best planning and implementation, it is impossible to obtain perfect security, that is, it is a process, not an absolute. Security should
Transposition technique
Threat Identification After identifying and performing a primary classification of an organization’s information assets, the analysis phase moves onto an examination of threats
DEPLOYMENT AND IMPLEMENTING OF AN IDS The strategy for deploying IDS should consider various factors. These factors will determine the number of administrators required to insta
Digital Signatures Digital Signatures are encrypted messages which can be proven mathematically to be authentic. These are created in response to rising requirement to verify in
Ethernet is a commonly used LAN technology. It was discovered at EXROX PARC(Palo Alto Research Center) in 1970s.Xerox, Intel and Digital described it in a standard so it is also kn
Size of Option field of an ip datagram is 20 bytes. What is the value of HLEN? What is the value in binary?
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