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Question:
(a) Outline the main interactions that take place when a user requests a valid web resource in the Address Bar of a modern web client till the resource is eventually displayed on-screen.
Your answer should include a most complete explanation of internetworking terms and concepts.
(b) In terms on network security, distinguish between the following:
i. Confidentiality and Authentication ii. Integrity and Authorization iii. Private and Public Key cryptography
(c) Describe, in reasonable detail, the process by which an electronic mail can be constructed and sent to another uniquely identifiable email recipient in another part of the world.
You should concentrate in particular on the underlying network requirements and the different protocols involved.
Describe any good security technology A good security technology should be powerful enough to support the features that the administrators need, including rules validation to i
Multistation Access Unit (MAU) Combines individual automatic switches May perhaps daisy chain to support more stations
Customer Premise Equipment (CPE) are devices physically located at the subscriber's premises. Includes both owned and leased equipment.
What is the use of a default gateway? Default gateways give means for the local networks to connect to the external network. The default gateway for connecting to the external
Explain Ethernet Frame. The heart of Ethernet system is the Ethernet Frame, which is used to deliver information among the computers. The frame having of a set of bits organize
Demarcation is the point in which responsibility changes hands.
Q. Show Upper Layers of tcp-ip model? The Session Layer - The Session layer allows two parties to hold ongoing communications called a session across a network. - Not
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
Question: (a) Short Message Service (SMS) is a service available on most mobile phones that allows the sending of short messages between mobile phones, other handheld devices
Question: a) Show the shortest form of the following IPv6 address: 2340:0000:0000:000F:7000:119A:A001:0000 b) The IPv6 header includes a Class field and a Flow ID field. Bri
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