The option that does not represent one of the three main cloud service models referred to in the course is "caas".
"Caas" (Communication as a Service) is not one of the three main cloud service models referred to in the course. The three main cloud service models are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). "Caas" refers to cloud-based communication services that allow businesses and organizations to manage their communication and collaboration needs through a single platform. This can include services such as voice over IP (VoIP), video conferencing, unified messaging, and other communication tools. "Caas" helps organizations to reduce their communication costs and increase productivity by providing a single platform for all their communication needs. Some examples of "Caas" providers are Zoom, Slack, and Microsoft Teams.
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Select the recommended design practice that applies to a website using images for main site navigation.
a. provide alternative text for the images
b. place text links at the bottom of the page
c. both a and b
d. no special considerations are needed
The recommended design practice that applies to a website using images for main site navigation are both a and b.
What would be a wise design suggestion for text hyperlinks?Good hyperlinks should stand out on a web page from other sorts of content. Dr. Nielsen, a usability researcher, found that underlining hyperlinks to indicate that the text is clickable and making them a distinct colour from other forms of text on a web page both increase their effectiveness.There are three different types of organisational structures: matrix, sequential, and hierarchical.The suggested design strategy for a website that uses photos for the primary site navigation.
a. provide alternative text for the images
b. place text links at the bottom of the page
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Expanding Your Web Design Skills As you progress in your studies of computer science, you will find that you will sometimes need to teach yourself how to use new platforms, apps, languages, and software. This is a crucial skill to develop so that you can keep your abilities ahead of the curve! In this lab, you will have a chance to learn a bit about two other markup languages: XML and DHTML. To begin, find an XML tutorial that you like. Some people prefer to learn by watching videos; others prefer a text-based explanation. Spend about 15 minutes exploring the XML tutorial. When you finish, create a list of 10 XML tags and explain their use. Next, find an article that explains what DHTML is. Write a paragraph that explains DHTML and includes an example of how it works.
Dynamic web pages commonly referred to as interactive and animated web pages are produced using DHTML.
What is DHTML?Dynamic Hypertext Markup Language is referred to as DHTML. It is a name for the methodical use of HTML, CSS, and different scripting languages like JavaScript, JScript, or VBScript rather than an independent markup language.
In order to create dynamic content, DHTML is built on the characteristics of HTML, JavaScript, CSS, and DOM (Document Object Model.
Therefore, some browser vendors used the term "dynamic HTML," or "DHTML," to refer to the fusion of HTML.
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Kile is assigned a role as a grey box penetration tester in the financial sector. He has to conduct a pen testing attack on all the application servers in the network. Which of the following tasks should he perform first while conducting a penetration testing attack on a network?
Tailgating
Phishing
Vishing
Footprinting
In the banking industry, Kile is given a job as a grey box penetration tester. All of the application servers must be the target of a pen testing attack by him.
What is networking ?The process of connecting and establishing relationships is known as networking. You may receive guidance and contacts from these connections, which can assist you in making wise career selections. You can also locate unlisted jobs and internships through networking. One-on-one or in a group context, networking is possible. Although the definition of networking is broad, we can limit it to the connection of a number of networks that are located in various locations. The main objectives of networking computers are to increase management, security, efficiency, or cost-effectiveness in comparison to non-networked systems. We might also concentrate on the various computers. A network is a collection of connected computers that allow one computer to speak with another and share resources.
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In this exercise, you will write a program to convert money in different currencies. The program takes as input the original currency, the amount, and the currency to convert to, and outputs the amount in the new currency with double digit precision For example, given the input EUR 2 USD The output should be 2.46 The valid currencies for this program are Euros, American dollars and Yens. They will be entered using 3 letters identifiers: EUR USD. YEN. Use the following values for the conversions (you should be able to use these values to convert in both directions) • 1 EUR 1.23 USD 1 EUR 126.20 YEN • TUSD 102 80 YEN . if the user enters the wrong identifier for one of the currencies (that is anything other than EUR USD or YEN). print the message Invalid Input Endail messages with a new line Any attempt to hard code answers will result in a 0 for the exercise 0.000000
Here's a sample Python program that implements the currency conversion:
The Python Codedef convert_currency(amount, from_currency, to_currency):
conversion_rates = {
"EUR": {
"USD": 1.23,
"YEN": 126.20
},
"USD": {
"EUR": 1 / 1.23,
"YEN": 102.80
},
"YEN": {
"EUR": 1 / 126.20,
"USD": 1 / 102.80
}
}
if from_currency not in conversion_rates:
return "Invalid Input\n"
if to_currency not in conversion_rates[from_currency]:
return "Invalid Input\n"
return "%.2f" % (amount * conversion_rates[from_currency][to_currency])
original_currency = input().strip()
amount = float(input().strip())
target_currency = input().strip()
result = convert_currency(amount, original_currency, target_currency)
print(result)
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listen to exam instructions your company relocated you from the united states to their united kingdom office in london. you brought your personal computer with you, and you are in the process of setting it up. your computer was previously configured to receive 115 vac, but the electricity in london uses 230 vac. which of the following would allow your computer to run on 230 vac? answer purchase a new power supply that is compatible with 230 vac. edit the bios and modify the voltage input setting. inspect the power supply unit for a manual voltage switch and move it to 230 vac. otherwise, no action is necessary. purchase a voltage converter and plug your computer into the converter box.
The internal parts of a computer are powered by a power supply unit (PSU), which transforms mains AC electricity into low-voltage, regulated DC power.
What is Power supply unit?Power supply with switched-mode technology are used in all modern personal computers. A manual switch is available on certain power supplies to choose the input voltage, while an automatic mains voltage adapter is available on others.
The majority of contemporary desktop personal computer power supply abide by the ATX specification, which covers form factor and voltage restrictions. A 5-volt standby (5VSB) power source is always provided by an ATX power supply while it is connected to the mains supply in order to power the computer's standby features and some peripherals. Using a motherboard signal, ATX power supply can be turned on and off.
When the DC voltages are within specs, they also send a signal to the motherboard, allowing the computer to safely power on and boot. At the beginning of 2022, version 3.0 of the ATX PSU standard was in effect.
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Purpose of serial port
Answer:
A serial port connection can be used for inter-processor communication within a system or for communication with different parts of a system. The serial port provides the physical connection between the equipment but a communication protocol has to used to ensure a reliable, error-free data path
the measurement rules applied in computing numbers on the financial statements are referred to as___. a) iasb. b) sec. c) gaap. d) pcaob.
PCAOB stands for the measuring standards used to calculate the numbers on the financial statements.
What is a measurement example?A method of measurement is used to determine an object's height, weight, capacity, or even quantity. We can gauge an object's length, height, or distance between two objects. For instance: Oliver is 100 inches tall, while the giraffe is 150 inches tall.
What does simple measuring entail?The act of measuring involves assigning numerical values to real-world quantities and occurrences. Practically all daily operations, as well as the sciences, engineering, architecture, and other technological professions, rely on measurement.
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personal computers are meant to be used by only one person at a time. which computers are not personal computers? select two answers, then click done.
Mainframe Computers and Supercomputers are not personal computers
Which computers are not personal computers? Computers that are not personal computers include mainframes, supercomputers, and servers. Mainframes are large, expensive computers with tremendous computing power, used mainly for large-scale computing tasks and scientific applications. A supercomputer is the most powerful type of computer, used for complex calculations and simulations. Servers are computers that host services or applications for other computers, such as websites, online games, or other services. All of these types of computers are used in businesses and organizations, but they are not used as personal computers. They are usually more expensive, more powerful, and require a higher level of expertise to operate and maintain.To learn more about personal computers refer :
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________ is a model of software deployment in which an application is hosted as a service provided to customers over the internet.
Answer:
Cloud computing
FILL IN THE BLANK. uses a ______ utility to reduce the size of a file so it takes up less storage on a disk
a _____ provides an overview of your file and lets you rename, delete, move, and copy files and folders
a _____ utility finds files that meet criteria you specify, such as characters in a file name
a _____ utility reorganizes the files on a hard disk so the OS accesses data more quickly
a ____ utility finds and removes necessary files such as those stored in the recycle bin or trash
Uses a file compression utility to reduce the size of a file so it takes up less storage on a disk.
A file management provides an overview of your file and lets you rename, delete, move, and copy files and folders.
A search utility finds files that meet criteria you specify, such as characters in a file name.
A defragmentation utility reorganizes the files on a hard disk so the OS accesses data more quickly
A disk cleanup utility finds and removes necessary files such as those stored in the recycle bin or trash
What is included in file management?The processes and methods used to store, organize, and access physical or digital files are all part of file management. File naming and labeling, creating a system for organizing files (such as using folders or tags), keeping files safe, and backing them up to prevent data loss are all examples of this.
What does file management accomplish?Your file management system allows you to organize how files and folders are named, how nested folders are arranged, and how the user handles the files in the folders, even though your computer's operating system organizes data in a hierarchical file system (directories have files with subdirectories beneath them).
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4.17 lab: remove all non alpha characters write a program that removes all non alpha characters from the given input. ex: if the input is: -hello, 1 world$! the output is: helloworld
def checkLetters(str):
output = ''
for char in str:
if char.isalpha() == True:
output += char
what is Python?Guido van Rossum created Python, an interpreted, object-oriented, high-level computer language with dynamic semantics. It was first made available in 1991. The name "Python" is a tribute to a British comedy group Monty Python and is meant to both be simple and entertaining. The syntax of Python is straightforward and resembles that of English. Python's syntax differs from various other computer languages in that it enables programmers to construct applications with fewer code lines. Python operates over an interpreter system, allowing for immediate execution of written code. As a result, prototyping can proceed quickly. Python is a dynamic, bytecode-compiled, and programming language. Variable, parameter, method, and method types are not declared in the source code.
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Use the image attached to answer the question
Which attribute when mapped to a column should allow NULL.
A null attribute value is often the same as nothing, it indicates whether or not the value of the column can be null.
What is a null attribute?There are several ways to describe nothing, it's critical that we utilize exact language: There is a value for a property that represents emptiness (null) Despite existing, a characteristic is worthless (empty) A property doesn't exist (missing)
A certain condition of an attribute denotes emptiness (null) A certain value of an attribute denotes emptiness (for example, -999). it indicates whether or not the value of the column can be null.
Therefore, A null attribute value is often the same as nothing, it indicates whether or not the value of the column can be null.
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Which of the following situations would most benefit a company's cost by utilizing cloud computing?
A. A healthcare company experiences a significant increase in utilization during the annual open enrollment period.
B. A company has consistent utilization through the year without many bursts or down periods
C. A sports news system gets a 50 percent increase in traffic on weekends versus weekdays.
D. A publishing company gets short, sporadic burst of traffic with news items.
During the yearly open enrollment season, the use of cloud computing by a healthcare organization significantly increases.
What is the most accurate way to define computing?
Calculating anything simply adds it up, dividing it, or applying more complicated math operations to it. Since they can compute more quickly than most individuals, computers get their name from this process. The Latin word for trimming is the source of the verb calculate.
What is the purpose of computing?In the order to pursue of scientific research, the development of intelligent systems, and the creation and use of various media for entertainment, computing may include the design and implementation of hardware and software systems for a wide range of purposes, frequently structuring, processing, and trying to manage any kind of information.
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10-fold cross validation is more computationally expensive than leave-one-out (loo) cross validation. assume we have a really large dataset (i.e. billions of rows of data). (True or False)
False, 10-fold cross-validation requires more computing power than leave-one-out (loo) cross validation. Suppose we have an enormous dataset (i.e. billions of rows of data).
data, which includes several forms of information typically arranged in a specific way. Programs and data are the two main categories into which all software is split. Data already exists, and programs are collections of instructions that can be used to modify data.
Data science is described as a field that combines mathematical knowledge, programming skills, domain knowledge, scientific methods, algorithms, processes, and systems to extract useful knowledge and insights from both structured and unstructured data. The knowledge derived from this data is then applied to a variety of uses and domains.
Now that we are a little more familiar with what data and data science are,
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cell a5 is the active cell. you want to make cell b10 the active cell. which of the following is not a method for going to cell b10?
Using the arrow keys is not a method for going to cell b10. The arrow keys allow you to move in one direction at a time, meaning that it would be difficult to move diagonally across the worksheet to get to cell b10.
What is cell ?A cell is a basic unit of life that is found in all living things, including plants and animals. Cells are the smallest unit of life that can carry out all of the processes necessary for life and growth. Every organism is composed of one or more cells and they are the building blocks of all life.
Cells come in a variety of sizes and shapes and have many different functions. Cells contain genetic material, which is organized and responsible for the growth and development of the organism. Cells also contain proteins which are responsible for the chemical reactions that occur in the cell. All cells require energy, which is mainly supplied through the process of respiration. Cells also contain various organelles which are responsible for carrying.
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The computer scientists Richard Conway and David Gries, both very interesting people you should look up, once wrote:
"The absence of error messages during translation of a computer program is only a necessary and not a sufficient condition for reasonable [program] correctness."
Rewrite this statement without using the words necessary or sufficient to convey your understanding of the ideas.
The data scientists Richard Conway & David Gries stated that because a software program doesn't produce error messages all through translation, this doesn't guarantee that program is correct.
What is a program, exactly?A program, or software program, is a set of instructions that tells a computer's hardware how to carry out a task.
Why is a program necessary for a computer?Classes and functions are utilized in computer languages to organize commands. Programming tells a machine to carry out these instructions regularly so that people don't have to repeat the process by hand, which is why it's so crucial. Instead, the software program can finish it correctly and automatically.
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once a(n) back door has infected a computer, it can redistribute itself to all e-mail addresses found on the infected system. (True or False)
True , once a(n) back door has infected a computer, it can redistribute itself to all e-mail addresses found on the infected system .
What is email ?
Email (short for electronic mail) is an electronic communication tool used to send and receive messages over the Internet. It is one of the first and most popular forms of online communication. Email has been around since the early days of the Internet and is still one of the most widely used online tools today. Email is used frequently because it is convenient, fast, reliable, and secure. It allows users to communicate with anyone, anywhere in the world, at any time. It also allows businesses to communicate quickly with customers, employees, and vendors. Additionally, email is an efficient way to store and share large files, documents, and other digital information.
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what is the correct replacement for /*missing*/ in the following code, such that the method print() will work without errors with respect to the comments provided in its javadoc header?
System.out.println(/*missing*/);
"Hello world!"
In the code below, what should *missing* be replaced with?This question uses the principles of programming syntax and expression evaluation. It tests a person's understanding of how to write valid code in a given programming language (in this case, Java). It also tests a person's knowledge of the appropriate expressions to use for outputting text to the console.In the given code, we need to replace the /*missing*/ placeholder with a valid expression that can be printed to the console. The javadoc comments above the method print() state that it should print "Hello world!" to the console. Therefore, we can replace the /*missing*/ placeholder with the String literal "Hello world!".The code with the replacement should look like this:System.out.println("Hello world!");
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