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State about data and data files - Information
The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most serious of all the threats. Threats to the hardware and software are considered negligible in comparison with the threats to information since it is this information that acts as the knowledge about the organisation. Hardware can be replaced and software can be reinstalled, but information once lost cannot be got back.
Time out Timers are used to protect against lost packet. Each packet must have its own logical timers since only a single packet will be retransmitted after timeou
To monitor ipx traffic on a network, what command would we use? Ans) show ipx traffic
Describe distance vector routing protocol?
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
What is client/server? Client/server is a type of network wherein one or more computers act as servers. Servers give a centralized repository of resources like printers and fil
QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
Satellite Radio Channels A communication satellite links two or more earth microwave transmitter receiver, know as ground stations. The satellite receives transmission on
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Simple Mail Transfer Protocol ( SMTP) SMTP is the principal application layer protocol for internet electronic mail. It uses the reliable data transfer service of TCP to
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
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