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Question :
(a) How do you relate the subsequent terms in the context of an information system: data, information and decision-making.
(b) Why do you think organisations nowadays have no choice than to adopt information systems for their "survival"
(c) How are Enterprise Systems different from other Information Systems.
(d) What are the benefits derived by an organization in adopting electronic business
(e) Why are information systems so vulnerable to destruction, abuse, error, and system quality problems?
Multistation Access Unit (MAU) Combines individual automatic switches May perhaps daisy chain to support more stations
Fast Ethernet Operates at 100 Mbps faster speeds required for image processing, CAD, real-time audio and video No change in frame addressing, format or access method
distortion
Find the domain Name of 128.252.160.200
What is the difference between a hub and a switch? A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manag
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
IPv6 packet Format The format of an IPv6 header is shown in figure. Although IPv6 addresses are four times the size of IPv4 address the basic IPv6 header is only twice
Describe in details about all networks ?
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