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Repeater known as regenerator; it is an electronic machine that performs only at physical layer. It gets the signal in the network before it becomes loss or weak, recreates the original bit pattern and transfer the refreshed copy back in to the layer.
QUESTION : a) A datagram of 3000 bytes has to travel over a network with a MTU size of 1000 bytes. Describe how fragmentation can be used to solve this problem. You should pr
LOG FILE MONITORS Log file monitor (LFM) is similar to NIDS. It reviews log files generated by servers, network devices, and even other IDSs for patterns and signatures. Pattern
Q. Explain about Security aware protocols? The security-Aware ad hoc Routing (SAR) protocol based on the security attributes integrated into the ad hoc route discovery provides
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
(a) Show four Network Security attacks. How do they compromise security? (b) In what ways do the following devices or services contribute to security: (i) Firewall (ii) In
Question: a) What do you meant by Privacy? b) Name the four privacy violations. c) Often, aggregate information and anonymized information can be combined to identif
Question : a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. Give the source MAC address for the frame in hexadecimal; the source I
Question (a) Consider that you enter the subsequent URL in the address bar of a popular web client and that both the server and client accepts HTTP version 1.1. i. What can be
What is one-time pad for encryption? Describe how it offers both Confusion and Diffusion. Using the letter encoding discussed in class (along with one-time
Gateways They transfer packets among network machines that have different protocols (e.g. between a WAN and a LAN). They access a packet formatted for one protocol and change
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