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DNS cache poisoning
The DNA cache poisoning generally refers to the process of maintaining or developing the false information, in the cache of DNS server. This process refers to the attack which comprises of the process of developing the DNS server cache of false information. This process generally maintains the record which will enable to maintain the wrong IP address. With DNS cache poisoning, the hacker can move the process of can control the process of handling all the incoming outgoing services of the DNS in terms of name resolution. The hacker can direct the specific address on the arrival of any request by the user. For example, if the user wants to access google.com, the hacker can direct him a page which cans google.com/something_.htm or simple another malicious web page. Relates to an attack consisting of making a DNS server.
You are logged into a router, what command would represent you the IP addresses of routers linked to you? Ans)show cdp neighbors detail
The three ways to give login access to the router are by the Console port, auxiliary port, and virtual terminal (Telnet)
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Question 1 Define client and server. Explain the Client server model Question 2 What is a Mainframe System? Write down the features of Mainframe System Question 3
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What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
Q. Show Example on Check Sum? Data: 10101001 00111001 Computing Checksum: 10101001 00111001 --------------- Sum 11100010 Receiver Side: 10101
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
Vector-Distance algorithm illustrated in more detail below: Packet switches wait for next update message and they goes by entries in packet. If entry has least path to destinat
Bridged Ethernet Raises bandwidth by dividing the network into smaller networks allowing concurrent communications Separates collision domains because traffic is lower
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