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QUESTION
a) Security is a very crucial component in a Distributed System. Describe three properties of a secure channel.
b) During packet transmission, messages are subdivided into packets. Give two reasons why restricted length of packets are used.
c) Differentiate between Packet and Circuit Switching.
d) Explain the term "Virtual Circuit Packet Delivery".
e) The Network Time Protocol service can be used to synchronize computer clocks. Explain why, even with this service, no guaranteed bound given for the difference between two clocks.
a) Give three UDP features and three TCP features.
b) Give three main sources of overhead.
c) Is it conceivably useful for a port to have several receivers?
d) Define the semantics for and design a protocol for a group form of request reply interaction, for example using IP multicast.
How many ways are there to execute VPN architecture?
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
What is Beaconing? The process that permits a network to self-repair networks problems. The stations on the network notify the other stations on the ring when they are not rece
Question 1: ‘There is an overwhelming imperative for organisations to analyse every bit of information they can extract from their huge data warehouses for competitive advant
define protocol
IEEE 802.3-Ethernet Introduction LAN (Local Area Network) - network connecting devices in a limited geographic area usually privately owned and limited to a single o
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
You have been asked to design a Banking Network with two primary types of locations. Branches that will have 3 subnets, one /25 subnet one /26 subnet for ABMS and one /26 s
What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
QUESTION (a) In CSS, each element in a document is considered to be in an invisible box. Give three ways how to make the box visible (b) (i) Explain the meaning and use of t
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