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Hands-On Project 9-4: Designing a Rule Base
Objective: Create a basic rule base for packet filtering.
Description: In this activity, you configure a set of basic packet-filtering rules for a network. The internal network is represented by 192.168.120.0; the firewall is hosted at 192.168.120.1; the e-mail server is at 192.168.120.2; the Web server is at 192.168.120.3; and the DNS server is at 192.168.120.4. Design the rule base using Table 9-13 to accomplish the following goals:
1. Create a rule that allows internal hosts to access the external network.
2. Create a rule that prevents access to the firewall.
3. Create a rule that allows internal and external access to the e-mail server and Web server.
4. Create a rule that allows internal access to the DNS server.
How fast is your processor in hertz. What is the amount of RAM on your computer. How much hard drive space do you have in total? How much is still available
Show that with the implementations of (a) and (b), the running time of the algorithm is O(N2A).
Consider the extended LAN of Figure 3.12. What happens in the spanning tree algorithm if bridge B1 does not participate and
What is the probability that the sample mean age of the employees will be within 2 years of the population mean age?
Who was the first president of Kenya? Explain his town of origin.
Interpolate the Runge function of Example 10.6 at Chebyshev points for n from 10 to 170 in increments of 10. Calculate the maximum interpolation error on the uniform evaluation mesh x = -1:.001:1 and plot the error vs. polynomial degree as in Figu..
Suppose the counter is first reset, and then input I:2/6 is actuated 15 times and input I:3/8 is actuated 5 times. What is the accumulated count value?
The paper will give you an opportunity to evaluate a failed organizational change, identify a theory that could have been used to develop the change, and aapply that theory to the failed change. The paper must follow these standards:
At fault. The car insurance company in Exercise 8 believes that about 0.5% of drivers have an at-fault accident during a given year. Suppose the company insures 1355 drivers in that city.
Develop the function reachable. It consumes a node in a simple graph. Its effect is to place true into the visited fields of all those nodes that are reachable from the given node and to ensure that the visited fields of all other nodes are false.
Write a 1-2 page paper discussing what professional organizations might you join, and websites might you visit, that would provide insight into a career that includes responsibility for network design?
What are the important factors that we need to consider when choosing data structures?
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