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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 transmitted info are accessible only for reading by authorized parties (Data Privacy).
- Integrity: Ensures that merely authorized parties are able to modify computer systems assets and transmitted information (Data has not been altered).
- Authentication: Confirms that the origin of a message or electronic doc is correctly identified with an assurance that the identity isn't false (Who created or sent the data).
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
The "ipx delay number" command will permit an administrator to alter the default settings. Explain the default settings? Ans) For LAN interfaces, one tick; for WAN interfaces, s
To relieve some programming burden, project 5 is a group project that two students can form a group to do and submit one report. In your submitted report, please specify who is you
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
Concept of connection between the PC and the cable modem Even if downstream channel works at 27 Mbps, user interface is nearly always 10-Mbps Ethernet. There is no way to get b
Q. Describe Physical Layer in OSI layers model? Physical Layer : Controls the transmission of the actual data onto the network. It describes the electrical signals, line state
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
Determine the task which should intranet require Intranet to work smoothly, the following tasks should be properly synchronised: All computers connected together in a n
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