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Q. Describe about Packet Switching?
Packet Switching
- Data are transmitted in separate units
- Called Packet
- Packets are variable length blocks
- The max length of packet is established by network layer.
- Packet contains
- Data and
- Header with control info.
- According to the header info the packets are routed between nodes.
The disadvantages and advantages of Private and Public networks are shown in the table below:
Explain Application Gateway?
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
Determine about the proxy servers There are proxy servers that act as good firewall protection for the entire Intranet system. In some cases, firewall comes as a separate serv
Q. Explain the diffrent types of Security Attacks? Types of Security Attacks Passive Threats: - Traffic Analysis and - Release of Message Contents Active
Concept of how does the IP message finally reassemble?
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Question 1 requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption t
Advantages of LS over DV algorithm There are a number of advantages to link state protocols especially when compared to the distance vector based routing protocols. The
show ipx servers is the command that shows the SAP table
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