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Problem:
(a) What do you meant by Network Address Translation (NAT)? Why is it used?
(b) Given the following information by your ISP about your newly acquired Frame Relay connection with public IP range: 202.123.21.120 /30 You are required to design a network which constitutes of a LAN having 3 subnets (with Internet connectivity) for each department in your company.
Each subnet is assumed to have each a maximum of 28 hosts including a file server and an internal web server.
Note: You must use an internal Class C addressing scheme.
Draw the network layout and giving maximum information about:
• IP, Subnet Mask & Gateway addresses of all devices and servers and 1 host from each subnet.
• Type and hierarchy of hardware devices, transmission media and network topology you might adopt, with justifications, where necessary.
Question: (a) What do you understand by the term "integrity"? (b) Which type of attack denies authorized users access to network resources? (c) You have discovered tha
What do you understand by cryptanalysis? Discuss about the transposition ciphers substitution cipher, and onetime pads. The messages which are intended to transmit secretly and
In 10 or more pages, address the following topics (be sure to use diagrams as well as references). 1) Define broadband and baseband transmission technology. 2) Describe broadban
Question: The Wired Equivalent Privacy (WEP) standard was created in order to give wireless networks safety and security features similar to that of wired networks. (a) L
Question: (a) What is the main security vulnerability of IPv4? (b) Which protocol can be used for secure remote login? (c) Distinguish between the transport and tunnel
TRANSMISSION ERRORS: Transmission exceptions may happen due to different causes for example power surges or interference may delete data during transmission. In result of wh
ENCAPSULATION Network interface layer adds IP datagram as data area in hardware frame. Hardware ignores IP datagram message format. Standards for encapsulation defines details
RING TOPOLOGY In this topology of network the devices are connected to each other in packed loop. In this network first computer passes data packet to the second and then seco
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
There is another probing methods i-e Trace Route. To get more detail it is used As given in the figure about the route to DANDELION-PATCH.MIT.EDU was looked out a
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