IP Addressing Scenario
Unit 1 Exercise 1
ITT Technical Institute
Floyd Washington Jr.
April 4, 2015
When setting up a network that will consist of many host computers, one of the first things that an administrator must do is to determine what class of networks that they must administer to a given business. This is the point where every administrator must know how to implement classful and classless IP addressing. A classful network is a network addressing architecture used in the internet from 1981 until the introduction of Classless Inter-Domain Routing (CIDR) in 1993. Classful IP addressing divides the addtess space on the internet into five address classes. Each class is coded in the first four bits of the address. Today
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For the second half of this assignment I will set up a network LAN for 145 host with an allowance for 50% growth over the next two years. When I do the math the number that I came up with is 281 address spaces needed for this company. To get 218, multiply the original 145 hosts by .50, which is equal to 72.5. Then add the 72.5 to the original 145 and the result is 217.5 and I rounded up to 218. So I will need at least 218 host addresses on my LAN. I now know that from the number of addresses needed I will be in the C Class of Classful networks, because there are 218 network addresses needed and Class C networks will allow up to 256 addresses per network. From the start I would break this down into at least five or more networks depending on how the company is divided. A company with this many host computers will have at least four or more divisions (IT, Administrations, Accounting, and Human Resources), and each division will need its own network. In order to get my five networks I will have to make room for eight networks, because the next lowest number for networks is 4. Remembering that I must use the n-2 notation for networks the number 8-2 = 6 which covers my 4 networks needed. The subnet mask for this will be 255.255.255.224 because 128 + 64 +32 = 224. The CIDR notation is /27 because of the bit value. Now that I have this information I know that my subnet mask is 255.255.255.224/27. The range of my four networks are as follows:
Problem 1 - Murphy pushes the power button on her computer and nothing happens. List all of the possibilities on how she would troubleshoot the problem. Don’t panic next think physical check and see If the cords are plugged in. Check connection to internet. Try restarting.
The subject with type first and type second diabetes who does not receive standard care, comply with the prescriptions or poorly controlled metabolism regarded by the test physician.
In Windows 7, rundll32.exe repair can take good effort if it is stubborn enough. A system file can be damaged or corrupted on sudden shut down, incompatible software download and installation, updates download and others. System registry errors for example invalid entries can also corrupt the file.
Migration and population have played a massive role in defining the American lifestyle during the 18th and 19th centuries. One instance of this is through the different beliefs seen in contrasting ideals in the north and south. In the north, with much less of a reliance on agriculture, do not depend on the economic benefits of slavery as much as the south does. As a result, due to this, as well as the emergence of democratic philosophies, Americans, specifically those in northern colonies who didn’t rely on a cheap labor source, began to view such treatment as unequal and completely contradictory to the liberties granted in the Bill of RIghts. Additionally,
Once the medical records have been converted to electronic medical records. There are two options, one is to shred the original documents. The other option is to store them in a storage where they will be locked away. They will always be available to be viewed whenever need be. I personally would keep the files in a locked storage for about a year or two to see if it would make life easier before shredding the documents.
The accompanying directions were formed for introducing Sun Java 1.5.0_08 (otherwise known as JDK 5.0 refresh 8). This may not be the most recent variant, but rather the one we are utilizing this semester. Note: Java is as of now introduced as a feature of Mac OS X, so no further establishment is essential for these machines. Guarantee, however, that you have the correct form by writing java - rendition to the unix order provoke; the reaction ought to be something like java adaptation "1.5.0_08" A run of the mill Java establishment takes around 400 megabytes of circle space. The establishment procedure reports the correct size.
1. Application (in terms of cabling infrastructure): The application layer is the OSI layer closest to the end user, which means both the OSI application layer and the user interact directly with the software application. When determining resource availability, the application layer must decide whether sufficient network or the requested communication exists.. (OSI_model#Layer_7:_application_layer)
It is compulsory for Australian year 3, 5, 7 and 9 school students to complete the National Assessment Program- Literacy and Numeracy (National Assessment Program, 2016) test. The NAPLAN test provides schools, governments, education authorities, students and the community statistics of schools and individual student’s weaknesses and strengths in specific areas of curriculum. One of the areas of curriculum that is tested is Mathematics. For this assignment we had to answer five questions from a year 9 NAPLAN test. I felt confident answering majority of the questions correctly; taking my time to logically work out each question with the aid of pen and paper when needed. I am a visual learner, so I was able to mentally solve most of the questions in my head. I rarely need to use a calculator as I have memorized many different strategies for working out mathematical questions.
One of the largest features in Java 8 was the ability to stream over collections of objects. By adding the .stream()-method into the Collection interface, every collection in the java language was suddenly expanded with this new ability. Other data structures like the Map-interface, does not implement the method as they are not strictly speaking collections.
On assignment 4 I did not really excel on the paper at all. There were many mistakes that could have been simply corrected if I had went back over and reread my assignment. For my research paper I received a grade of 79 and on the AP scale it was a 6 paper. I am sort of proud of myself of getting a 6 because it demonstrates my progress and growth with writing papers on an AP academic level. If I were to be brutally honest I never quite was outstanding at writing research papers, I have always had difficulties writing them. Some of the reasons being having trouble citing sources, and having trouble expressing my argument. Ideally, I was aiming for a 7 for this paper, but unfortunately I messed up the bibliography and botched the CEWEW sets for
/* Thien Vu */ /* Using Code::Blocks 13.12 */ /* Assignment 2 Program 5 */ #pragma warning(disable: 4996) #include #include #include #include int doFlips(); int main( void ) { int t; int flipResult; int count; int m; int heads = 0; int tails = 0; double perHeads; double perTails; for( t = 10; t < count; m++) { flipResult = flip(); if( flipResult == 1 ) { heads++; } else { tails++; } } perHeads = (double)heads/(double)count; perTails = (double)tails/(double)count; perHeads *= 100; perTails *= 100; printf( "Trials %8d: \n", count); printf( "Heads count: %8d Percent heads: %.2f \n", heads, perHeads); printf( "Tails count: %8d Percent tails: %.2f \n", tails, perTails); printf("\n");
// Assignment #: 8 // Name: Yuxi Dong // StudentID: 1211773456 // Lecture: T/Th 4:30 pm // Description: The Assignment 8 class displays a menu of choices to a user // and performs the chosen task. It will keep asking a user to // enter the next choice until the choice of 'Q' (Quit) is // entered. import java.io.
and the second path is where ten is added to the value of the entrance and then the subtraction occurs. On the side you can see a series of logic gates that generate a function that will produce an output of 1 only when digit 1 of the exit is bigger than that of the entrance. This output will be sent to two different multiplexers, one for each digit. In the digit 1 diagram it will be sent to a multiplexer that will decide whether to use the subtraction where the entrance has been increased by 10 or whether to use the other where the entrance has had no alteration. If it is a 1, then it will use the first option where ten was added to the entrance. If it is a zero, then the latter will be used. This can be seen below in figure 2.
3.2. BlackHole. In this attack,malicious nodes advertise very short paths (sometimes zero-cost paths) to every other node, forming routing black holes within the network [41]. As their advertisement propagates, the network routes more traffic in their direction. In addition to disrupting traffic delivery, this causes intense resource contention around the malicious node as neighbors compete for limited bandwidth.
Network design includes setting up security features and dealing with IP addressing structures. The extremely simple explanation of IP addressing structures is creating a system that gives every device on a network a unique ID. Those IDs let the computers on the network talk with each other.