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A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal toFrames from one LAN can be transmitted to another LAN via the device
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
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Most Popular Content
8 pages
Z310.edited.edited
According to Tuvell & Venugopal (2015), Malicious software, popularly known as malware refers to either files or programs ...
Z310.edited.edited
According to Tuvell & Venugopal (2015), Malicious software, popularly known as malware refers to either files or programs that are harmful to a ...
Northern Virginia Community College Threat and Vulnerability Analysis
The first part of your project is installing a hypervisor (VirtualBox, VMware, etc) along with two (2) operating systems. ...
Northern Virginia Community College Threat and Vulnerability Analysis
The first part of your project is installing a hypervisor (VirtualBox, VMware, etc) along with two (2) operating systems. You will later use one of the machine as an attacker to launch attacks on the victim's machine.The second part of your project is identifying the target system through network discovery using NMAP and/or other tools (e.g. Angry IP Scanner), identify network and targets, and look at recon/footprinting. Illustrating method for profiling.The third part of your project involves installing and successfully run Nessus to identify vulnerabilities. You can alternatively select other vulnerability scanners you'd like.The fourth part of your project is installing and successfully run Metasploit (or equivalent), demonstrating penetration into machine.The fifth part is a well written report documenting your process with additional information on lessons-learned and identify how you can maintain access.Example Sample Report from Offensive Securityhttps://www.offensive-security.com/reports/penetration-testing-sample-report-2013.pdf (Links to an external site.)As stated in the syllabus....Students will be required to install VirtualBox (or VM Player) onto either a classroom PC or their own PC (note: no support is provided if students are using their own PCs, and students are encouraged to work out their own problems anyway even if using the classroom PC).Students will then work either independently or as a team of no more than 2 individuals to select standing up 2 operating systems as prescribed by the instructor, including Metaspolitable (a vulnerable server you will scan to find vulnerabilities). At the end of the semester, you or your team will complete network discovery (NMAP), complete vulnerability scan (Nessus), and prove penetration of 1 of your virtual machines (Metasploit). Your project will be graded as follows:SCANNING PROJECT SCORING CRITERIAPERCENTAGEDownloaded VirtualBox or VM Playerinstalled Windows Server OSInstalled Client OS (Windows or Linux)Setup Environment for internal network1 - 4 %Identified target system through network discovery using NMAP and/or other tools (e.g. Angry IP Scanner).Illustrated method for profiling.1 - 4 %Installed and successfully ran NessusIdentify vulnerabilities1 - 4 %Installed and successfully ran Metasploit (or equivalent)Demonstrating penetration into machine.1 - 4 %3 to 4 page Project Report (Lessons-learned and identify how you can maintain access).
Strategic Business Objectives: IT and patient centered
The questions below are based on various case studies of the transformational role of IT, contained in the following four ...
Strategic Business Objectives: IT and patient centered
The questions below are based on various case studies of the transformational role of IT, contained in the following four articles. The first listed article contains 4 case studies, each corresponding to a separate business unit of a high-tech firm. The subsequent two articles contain 1 case study each.Address the 5 questions below, in the context of the following 6 cases.(The first article contains 4 case studies, and the other three articles contain a single case study each.)Political maneuvering during business process transformation - A pluralist approach.Data-driven city management.Policy discourses of IT and patient-centred care.QUESTIONSConsider the following two claims made in the textbook –“There is a growing interdependence between a firm’s ability to use information technology and its ability to implement corporate strategies and achieve corporate goals.”“To fully understand information systems, you must understand the broader organization, management, and information technology dimensions of systems and their power to provide solutions to challenges and problems in the business environment.”Discuss whether or not each of your chosen six case studies provides empirical support for the above two claims. (You need to show, by means of comprehensive review and discussion of the available facts in the case studies, how they do or do not uphold each claim.)2. Business processesa. Which specific business processes and/or management activities in the "business information value chain" (Fig. 1-7 of the text) comprise the focus of the IT efforts in each of your chosen six firms/business units? (Be sure to independently research and study "business processes" in detail fromextraneous sources before answering this question -- go beyond the textbook figure, as it depicts only a few generic examples of business processes.)b. For each firm/business unit, do the business processes and management activities you identified above seem to be well supported by its information processing activities? Explain your reasoning.3. Which "strategic business objectives" of information systems are evident in each case study? Discuss.4. What kinds of ethical issues (refer to Chapter 4) are evident in each case study, even if not mentioned explicitly? Discuss.5. Which types of e-commerce (refer to B2C, B2B, C2C, G2C, G2B, etc., in Chapter 10), if any, are evident in each case study, even if not mentioned explicitly? Discuss.
3 pages
Defensive Template
Target 1 is an Apache web server and has SSH enabled, so ports 80 and 22 are possible ports of entry for attackers. As suc ...
Defensive Template
Target 1 is an Apache web server and has SSH enabled, so ports 80 and 22 are possible ports of entry for attackers. As such, the following alerts have ...
Impacts of Sources of Information on Decision Making Discussion Question
Sampling, surveys, and polls are three of the ways in which data is gathered. The results are then presented as informatio ...
Impacts of Sources of Information on Decision Making Discussion Question
Sampling, surveys, and polls are three of the ways in which data is gathered. The results are then presented as information. Some argue that surveys increase people’s awareness of a company’s products and thereby encourage future purchases. More subtle is the idea that the very process of asking people their opinions can induce them to form judgments that otherwise wouldn’t occur to them—that they really do like a company’s estate-planning services, for example. These so-called measurement-induced judgments, the theory holds, can influence later behavior. Remember, as a very granular level, a poll consists of a single question, while a survey can use multiple questions and allow for more than a single type of response. Reflect on these questions:1. Why/How can the data collected in polls and surveys lead us to incorrect conclusions? 2. What impacts do you think polls and surveys have or have had on you? In other words, do you pay attention to either polls or surveys? 3. Do you think national polls impact peoples' views on a topic? REMEMBER- every post (New Thread or Reply) must be supported by relevant information. Prove the point you are making by a) citing external research, b) citing readings from the class content, or c) providing examples or personal experiences that are relevant and support your position on the topic. APA citing required.
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