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what is computer network?
Question 1 a) What is a NMS? Question 2 Explain about Structure of Management Information Question 3 A)In which UDP port number does a protocol entity receive message?
Consider the details of the X.509 certificate shown below. a. Identify the key elements in this certificate, including the owner''s name and public key, its validity dates, the nam
Question: a) Give two reasons why the building-block approach is favoured to the traditional network design approach. b) With reference to network monitoring parameters, dis
Problem a) Give three reasons why traditional Network Design approach is less appropriate for many of today's networks? b) The network requires of users are organized into m
Computer networks is a complex subject due to the given reasons: MANY DIFFERENT TECHNOLOGIES EXIST: The first reason for the complexity of networks is that there are s
STAR TOPOLOGY In this topology, all devices are attached to a central point, which is sometimes known as the "Hub" as given in the diagram below. Figure: An ideal
Question: a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used? b) If a binary signal is sent over a 3 KHz channel who
Problem (a) Name the various layers of the OSI model. (b) Show, by means of a diagram, how the TCP/IP reference model is different from the OSI-7 reference model? Why is
FRAGMENTATION AND PATH MTU IPv6 source is responsible for fragmentation. Routers simply drop datagrams bigger than network MTU. So source have to fragment datagram to arrive d
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