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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.
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
What are the data units at different layers of the TCP / IP protocol suite? The data unit formed at the application layer is known as a message, at the transport layer the data
Recognize the two commands that copies the configuration in NVRAM to RAM Ans) a) Copy startup-config running-config b) Configure memory
Q. What is Source Routing? Source Routing - Sender of packet defines bridges and routes that packet should take - Complete path of bridge IDs and destination address i
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer
This is one of the models based on PRAM. In this, the processors access the memory location parallel for reading while exclusively for writing operations. In the algorithm which u
TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
Classification according to level of processing According to this categorization computer operations are classified like arithmetic operations and instruction execution. Subseq
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
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