1. Explain what is blacklisting and whitelisting?

2. iptables:

Compare -j DROP vs -j REJECT. Which option would you use to create a firewall rule that blocks incoming packets and why?

3. State the iptables command you would use to add a firewall rule where outgoing packets(connections) to ports 20, 21 (ftp) were blocked.

4. ICMP is a protocol for sending various messages to report network conditions. Ping is the sends ICMP Echo request packets to the target host and waits for ICMP echo reply from the host.
   
5. State a firewall rule that will block other systems from pinging your system.

Biochemistry Question

In hypoglycemia, the liver is not utilizing glucose as an energy source while the rest of the body continues to use glycolysis to generate ATP. Explain in detail why this happens. Also, why is the liver not using glucose?

What are your images of poverty, homelessness and what comes to your mind when you think about the demographic diversity in your home community? In your state? In the United States? and how does it related to the cycle of poverty?

Choose a product for which you are interested in creating a marketing plan. It can be a product that already exists, or one you would like to launch. It must be a legal product.

Write a 1- to 2-page paper (250 to 550 words) that specifically describes your product. The most important requirement for this assignment is that the reader has a clear understanding of your product, what it does for the consumer, and how it works or functions.

Some information you should include is the name of your product. If you are choosing to write about a product you would like to launch, be sure to create a name for your product and try to be creative. Explain the features and benefits, making sure to differentiate between these two concepts.

The “product” section is the most important of the four Ps of marketing: product, price, place, and promotion. Effectively completing this part of the project should set you up for success for the rest of the project.

In the study, the authors state the following: “Because ventilator-free days and days free of multiple organ dysfunction syndromes are known to have a bimodal distribution, the data were initially analyzed by means of Student’s t-test, with between-group differences presented as means and 95% confidence intervals. A secondary analysis of these outcome measures involving a bootstrapped t-test was also conducted to support the results of the primary analysis…”

Try to Justify the logic of these two sentences.

i. why did they initially use a method based on Student’s t-test and why did they do a secondary analysis with a “bootstrapped t-test”. Try to explain briefly what the latter means.

This is an open question, please feel free to answer this question. If you know something or even just some points, I will grade it as helpful. Thanks!
If you think more detail is needed, please also write a comment!

Big State U charges in-state and out-of-state students different tuition rates. In-state students pay $2,000 a term and respond according to the following demand equation:

Q₁ = 25.000 - 3T i

Where Qi is in-state student enrollment and Ti is in-state tuition. Out-of-state students pay $4,500 a term and their demand is:

Qo = 45000 - 8To

WHere Qo is out-of-state enrollment and To is out-of-state tuition.

a) Calculate the number of each type of student which will enroll and the total enrollment at Big State. Calculate price elasticity for each type of student.

b) Assume the marginal cost for students is $3,000 per student. Is Big State charging an optimal tuition rate for in-state students? Explain.  

c) Assume the school wishes to institute these tuition changes. What might be the response of students? What about state taxpayers?

Two lasers are sent through the same double-slit device. A blue laser has a wavelength of

430nm, and a red laser has a wavelength of 645nm. The spacing of the slits is 2mm, and the

distance to the screen is 1.0m.

A) Sketch what the blue laser will look like on the screen; give a distance scale.

B) On your diagram, find a point at which both the red light and blue light will be at a bright

fringe. Show supporting calculations.

C) On your diagram, find a point at which red light is maximum, but the blue light is

*minimum*. (All red light, no blue light.) Show supporting calculations.

D) Qualitatively, what happens to the light on the screen if one of the slits is blocked?

Homework Assignment #3: Data Resource Management

Information is not just stored for business related events. Data is created, saved and processed regarding almost every aspect of modern life. This assignment will have 3 sections, the first two will cover your personal experience with information storage and access. The third section will deal with current issues regarding any concerns associated with the amount of information available today. Each section should contain a page of single space text with two pages required for the third section. Cite your sources.

Section #1: Data Storage

Have you ever actively stored information electronically? This does not have to be limited to creating your own database, but could include anything from storing personal files to even creating a list of information. Discuss you experiences with storing information, such as creating a Music Catalog or Database, organization of Expenses or Bills, etc.

Section #2: Accessing Data

Where and how do you access information stored in a Database? Discuss how you use information either at work, school or in your personal life. For example: accessing a product inventory, customer account information, checking the balance or making a deposit in your bank account, etc. What application do you use to reference this information, such as using a web interface to access an XML or MySQL database? Further outline your experience with data storage and database management by discussing your experience with common database applications and the programming language behind them, such as using Microsoft Access based on Visual Basic or an Oracle Suite with SQL for performing backend queries.

Section #3: Issues Regarding Data Access

• With the amount of information being stored allowing easier access along with the ability to cross-reference many different sources, do you see any areas needing improvement? This could be achieved either by better organization for easier access or through more regulation on availability. Some examples to consider include the rights for the public to obtain data through the US Freedom of Information Act (FOIA) after a certain amount of time. Another is the voluntary release of phone records by all major mobile communication carriers. Some recent information privacy laws have been enacted such as the California Consumer Privacy Act CCPA or the GDPR in the European Union.

• What do you think about Government Data Mining and Private Third Party Data Warehousing? Many private sector companies will sell or purchase information mainly for marketing purposes and access to potential customers. This is often general demographic statistics based on home location and average income, but can include personal information such as product preferences based on purchases tracked by use of a preferred customer card. Please find and make recommendations for any existing regulations regarding the collection or sale of this personal customer data. Also outline your experiences with such marketing practices, for example receiving unwanted credit card applications. This ubiquitous marketing method is often based on information sold by your existing bank, school, etc. You may request to be taken off such lists and can often find who sold that company your information, but such laws are often changing and based on public awareness.

Before engaging in the discussion for this week, watch the video, Thrive by Being Yourself in the videos section of Week Three. After watching the video, Thrive by Being Yourself, discuss your reactions to the story of Ryland and his family. How were your beliefs or assumptions about gender challenged or affirmed? What are some of the messages you received while you were growing up gender identity and its development? What are some of the messages you have received about transgender women? Transgender men? How do we make the world a safer place for transgender children and people?

1. The scores of a physics test of a random sample of students (n = 8) are listed below. Is the sample significantly different from m = 65?
   1. State the null and alternative hypotheses
   2. Set the criteria for a decision: two-tailed test with a = .05
   3. Compute the test statistic using SPSS
   4. What is the effect size (you will need to compute Cohen’s d from data given in the SPSS output table)

d= M- μ / (SD)

5. (5 pts) Write the Results section for your findings. Include the descriptive statistics, type of statistical test and results of the test, effect size, Cohen’s d, and the confidence interval. Use the example I’ve given you.

Physics test scores (each cell is an individual score)