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Q. Explain about Domain Name System?
-In the past, mapping of IP addresses was static using a host file
-Impossible in today's dynamic environment
-Domain Name System (DNS) was created to divide mapping information to be stored on multiple computers to be accessed when needed
What is DoS? A do, or Denial-of-Service attack, is an attempt to stop users from being able to access the internet or any other network services. Such attacks might be come in
What are reasons behind using layered protocols Reasons for using layered protocols, using them leads to breaking up design problem into smaller more manageable pieces and lay
Question 1: The following is a dump of a TCP header in hexadecimal format: 00CD0018 00000EF1 00000D5D 502200D1 01BF0010 Please answer the following two parts of questions
How can I identify the difference types of networks
What is Network Server? Network Server is a computer in Network that is designated to give one or more network service. For instance file server, database server etc.
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Question: a) One of the most important duties of a system administrator is to protect the information that is stored on network servers. In the same context, describe both Ma
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
Explain the transport layer in detail Transport Layer: Transport layer ensures and controls the end-to-end integrity of data message propagated via the network amid two devic
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
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