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You have started your Telecom Consulting business. It seems like it was yesterday when you were sitting care-free in the most interesting course you ever took at Hood College (IT 548) and today you have to deal with your expanding business. First problem, concurrent internet access. You have 550 employees, each with their desktop and they all need to have Internet access at the same time. You do your market survey and talk to two ISPs, BORIZON and BT&T, in order to buy IP addresses. BORIZON allocates IPs in Class A, B or C while BT&T allocates IPs using CIDR. You want to be mindful of costs so you want to get the smallest IP range that can support all computers.
(a) Let's assume that you want to buy first from BORIZON. You want to buy one class of IPs. Knowing their offerings, what class are you going to purchase and how many addresses will it get you?
(b) Let's assume that you want to now buy BT&T. How many addresses would you get and how many bits will be the network prefix in each address?
(c) Let's assume that you want to go back to BORIZON and want to buy several class C IPs. How many C classes will you need and how many addresses will it get you?
(d) You talk to a colleague and she tells you that her company just bought 10.16.0.0/12 addresses at a price that is significantly lower than what your ISPs are charging you. Does this sound like a good deal to you? If so, why?
Assume the "license" is just a digitally signed file listing a hostname and expiration date; the verification key is built into the executable. How would you go about circumventing this kind of license check?
can someone assist me in understanding the following WPAN, WLAN, WAN, RFID, and GPS.
Write down a function definition called reverse, with two parameters, the first is an array of integer and the second is the number of elements in the array. The function reverses the elements of the array and does not return a value.
We store each employee's name, social insurance number, address, salary, sex, and birth date, An employee is assigned to one department but may work on several projects, that are not necessarily controlled by the same department.
Show how to modify the Bellman-Ford algorithm to find and print a negative weight cycle (reachable from the source, s) in a weighted directed graph G if one exists.
The divide-and-average algorithm for approximating the square root of any positive number a is as follows: Take any initial approximation x that is positive, and then find out a new approximation by calculating the average of x and a/x, that is, (..
despite of the fact that sequential files lack direct (targeted) addressing of each of the records and fields (e.g., you cannot easily read/replace the only record with the number 28 from 50 records in the file), they are the most widely used. Why..
the decision-making logic of a human expert is known as.
Thus, each salesperson passes in between 0 and 5 sales slips per day. suppose that the information from all the slips for last month is available.
a program on A registration application for a school
How could PDP augment memory in evaluating the potential risk in this and other potentially threatening situations.
define to A-Companyy how they might create a security template and some useful settings. What security suggestions do you have to secure communications from Human Resources server to the Payroll server.
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