Answer: member functions for that class.
Explanation:
Theorem: for any two real numbers, x and y, if x and y are both rational then x y is also rational. Which facts are assumed and which facts are proven in a proof by contrapositive of the theorem?
The facts that are assumed and the facts that are proven in a direct proof of the theorem is that option a) Assumed: x is rational and y is rational and Proven: x + y is rational.
What is a theorem?The term known as theorem is known to be a kind of a formula, or statement that is seen in a lot of mathematics field and it also known top be the logic deduced.
Note that it is also seen as the result that is said to have been proved to be true (through the use of operations and facts that are said to be already known).
Therefore, The facts that are assumed and the facts that are proven in a direct proof of the theorem is that option a) Assumed: x is rational and y is rational and Proven: x + y is rational.
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Theorem: For any two real numbers, x and y, if x and y are both rational then x + y is also rational. Which facts are assumed and which facts are proven in a direct proof of the theorem?
a) Assumed: x is rational and y is rational
Proven: x + y is rational
b) Assumed: x + y is irrational
Proven: x is irrational and y is irrational
c) Assumed: x + y is rational
Proven: x is rational or y is rational
d) Assumed: x is rational or y is rational
Proven: x + y is rational
Which selection tool should be used to fill a vacancy that requires managing multiple priorities and working under pressure
The selection tool that should be used to fill a vacancy that requires managing multiple priorities and working under pressure is Behavioral Assessment.
Why is behavioral assessment vital?Behavioral assessment is known to be that which helps us as humans to be able to look at how a person does their work and gains or get their objectives.
Therefore, The selection tool that should be used to fill a vacancy that requires managing multiple priorities and working under pressure is Behavioral Assessment because this is what it is.
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Which selection tool should be used to fill a vacancy that requires managing multiple priorities and working under pressure?
A. Cognitive Ability Test
B. Background Check
C. Behavioral Assessment
D. Academic Transcript
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9.1% complete Question A government agency is getting rid of older workstations. The agency will donate these workstations, along with other excess computer systems, to nearby schools. Management reminds the systems administrators about data sanitization and security concerns. What actions secure the systems prior to donating to the schools?
The action that can secure the systems prior to donating to the schools is that they should use a data sanitization tool and also replace the hard drive with an empty one .
What is the aim of a data sanitization tool?The aim of data sanitization is for the full or total clearing of devices and getting rid of all sensitive data only if the storage device is not been used or is said to be transferred to another Information system .
Hence, The action that can secure the systems prior to donating to the schools is that they should use a data sanitization tool and also replace the hard drive with an empty one .
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Write a while loop that prints user_num divided by 2 until user_num is less than 1. The value of user_num changes inside of the loop.
Answer:
user_num >= 1
while true do
print "user_num/2"
Explanation:
First, you write that the user_num is equal to or is greater than 1. Then you write in the while loop that while that's true, print user_num divided by two.
Kevin would like to ensure that his software runs on a platform that is able to expand and contract as needs change. Which one of the following terms best describes his goal
A terminology which best describe Kevin's goal in terms of expansion and contraction as needs change is: A. Scalability.
What is scalability?Scalability can be defined as a measure of the ability of a system to change (expansion or contraction) in performance and cost as a result of changes in demands of application and system processing, especially in a network architecture.
In this context, we can logically deduce that a terminology which best describe Kevin's goal in terms of expansion and contraction as needs change is scalability.
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Complete Question:
Kevin would like to ensure that his software runs on a platform that is able to expand and contract as needs change. Which one of the following terms best describes his goal? A. Scalability B. Elasticity C. Cost effectiveness D. Agility
The telephone system is an example of a ________ network
The telephone system is an example of a circuit-switched network.
Is telephone a circuit switched network?Yes. The Traditional telephone systems such as landlines are known to be a common example of a technology that are said to often make use of the circuit switching.
Hence, The telephone system is an example of a circuit-switched network is a true statement.
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Completar Fill in the blanks with the correct familiar commands. dar (negative) 1 of 1 Question 2 with 1 blank hacer (affirmative) 1 of 1 Question 3 with 1 blank ir (negative) 1 of 1 Question 4 with 1 blank poner (affirmative) 1 of 1 Question 5 with 1 blank hacer (negative) 1 of 1
The affirmative tú command hacer is known as haz.
The affirmative tú command decir - diThe affirmative tú command ir - veThe affirmative tú command poner -ponWhat is the translation about?The translation are:
The affirmative tú command to do is known as do.The affirmative tú command to say - diThe affirmative tú command ir - veThe affirmative tú command to put -ponThe Affirmative tú commands is known to be one that is said to be similar as the él/ella/Ud.
Note that this is seen as the conjugation of the present tense and it is one that is often used to tell another person that you are familiar with that thing.
Hence, The affirmative tú command hacer is known as haz.
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In the context of customer relationship management (CRM) applications, which approach is often chosen by organizations with an established IT infrastructure
The on-premise approach is often chosen by organizations with an established IT infrastructure.
What is the On Premises?In an on-premises method, resources are said to be given or deployed in-house and it is one that is found within an enterprise's IT infrastructure.
Customer relationship management (CRM) is known to be a form of a technology that is often used in the act of managing all of a firm's relationships and communications with customers and also that of potential customers.
Therefore, The on-premise approach is often chosen by organizations with an established IT infrastructure.
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A router is connected to network 192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned both networks. The next hop router for network 192.168.3.0 has changed. You need to make the change with the least amount of effort possible. What should you do
In the case above, the thing that should be done is for one to Drop the packet.
What is a router?A router is known to be a form of a physical or virtual tools that often helps one to pass information and it is said to be between two or more packet-switched computer networks.
Note that, In the case above, the thing that should be done is for one to Drop the packet.
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All of the following formats may contain incorrect or misleading information. on which should you be most careful about trusting the information you come across as it may seem academically reviewed but in fact is not?
Wikis is the one on which should you be most careful about trusting the information you come across as it may seem academically reviewed but in fact is not.
What is Wikis?A wiki is known to be a form of a collaborative tool that is used and one that aids students to make their own contribution and change one or more pages of course linked materials.
Note that based on the above, Wikis is the one on which should you be most careful about trusting the information you come across as it may seem academically reviewed but in fact is not.
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You are working for a large financial institution and preparing for disaster recovery and upcoming DR drills. A key component in the DR plan will be the MySQL database instances and their data. The Recovery Time Objective (RTO) is such that read replicas can be used to offload read traffic from the master database. Which items are key features of read replicas
The items that are key features of reading replicas are
inside AZ, across AZ, or even beyond the area - may establish RRAn individual database server instance was manually elevated to stand-alone statusEach RR with its own DNS destination may have up to five RRs per master.This is further explained below.
What is the DR plan?Generally, A disaster recovery plan, often known as a DRP, is a well-documented and organized strategy that outlines how an organization may swiftly go back to work in the aftermath of an unexpected event.
In conclusion, A disaster recovery plan, also known as a DR plan, is a formal document that is drafted by an organization and provides step-by-step instructions on how to react to unanticipated occurrences such as natural disasters, power outages, cyber-attacks, and any other kind of event that is disruptive.
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The ____ file is typically saved with a prefix of inc_.
a. insert
b. include
c. nested
d. increment
The include file is typically saved with a prefix of inc_.
What is include file?The include (or require ) statement is known to be one that often takes the total text/code/markup that is seen in the specified file and it is one that copies it into a given file that uses what we call the include statement.
A file is known to be any form of documents and it is one that can be in any format such as pdf, doc and others.
Hence, in the case above, The include file is typically saved with a prefix of inc_ as that is the way to save it.
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When starbucks sells its coffee and mugs to the public on its website, it is a ________ sale.
When a business firm such as Starbucks sells its products (coffee and mugs) to the general public on its website, it is a B2C sale.
What is B2C?B2C is a business model which literally means business to consumer and it can be defined as a market which involves businesses selling their products and services directly to the end consumers for their personal use, usually over a website.
In this context, we can infer and logically deduce that when a business firm such as Starbucks sells its products (coffee and mugs) to the general public on its website, it is a B2C sale.
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Where does customer information, such as news articles, videos, large amounts of text, images, or audio files, generally get stored for web services?
The place where the customer information, such as news articles, videos, large amounts of text, images, or audio files, generally get stored for web services is the database.
What is database?It should be noted that the database is a collection of structured information or data that are stored in the electronic system.
In this case, the place where the customer information, such as news articles, videos, large amounts of text, images, or audio files, generally get stored for web services is the database. It is conteolled by the database management system.
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Refer to Table 8-4. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
If one uses the data above (in billions of dollars), the Gross domestic product (in billions of dollars) for this economy equals $1,200.
What is the GDP about?Note that:
GDP (Gross Domestic Product):
Thus it will be :
Consumption + Investment + Government expenditure + (Export - Import)
Which is:
GDP = 800 + 200 + 300 + (100 - 200)
GDP = $1200 billions
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Consumption expenditures $800
Investment expenditures 200
Government purchases 300
Exports 100
Imports 200
Wages 800
8) Refer to Table above. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
A) $2,200.
B) $1,600.
C) $1,400.
D) $1,200.
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LAB: Word frequencies - methods Define a method named getWordFrequency that takes an array of strings, the size of the array, and a search word as parameters. Method getWordFrequency then returns the number of occurrences of the search word in the array parameter (case insensitive). Then, write a main program that reads a list of words into an array, calls method getWordFrequency repeatedly, and outputs the words in the arrays with their frequencies. The input begins with an integer indicating the number of words that follow. Assume that the list will always contain less than 20 words. Ex: If the input is: 5 hey Hi Mark hi mark the output is: hey 1 Hi 2 Mark 2 hi 2 mark 2 Hint: Use the equalsignoreCase() method for comparing strings, ignoring case. The program must define and call a method: public static int getWordFrequency(String[] wordsList, int listSize, String currWord) LAB ACTIVITY 8.45.1: LAB: Word frequencies - methods 0 / 10 LabProgram.java Load default template... Слд 1 import java.util.Scanner; 2 3 public class LabProgram { 4 5 /* Define your method here */ 6 7 public static void main(String[] args) { 8 /* Type your code here. */ 9 } 10 } 11 NO
Using the knowledge in computational language in JAVA it is possible to write the code being methods define a method named getWordFrequency that takes an array of strings
Writting the code in JAVA:
import java.util.*;
public class WordFrequency {
public static int getWordFrequency(String[] wordsList , int listSize , String currWord) {
HashMap<String , Integer> hm = new HashMap<>();
for(String st : wordsList) {
String str = st.toLowerCase();
hm.put(str, hm.getOrDefault(str, 0) + 1);
}
for(String st : wordsList) {
String str = st.toLowerCase();
System.out.println(st + " " + hm.get(str));
}
String currWordToLowerCase = currWord.toLowerCase();
return hm.get(currWordToLowerCase);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
String[] wordsList = {"hey" , "Hi" , "Mark" , "hi" , "mark"};
int listSize = wordsList.length;
String currWord = "hey";
System.out.println("The frequency of " + currWord + " is : " + getWordFrequency(wordsList , listSize , currWord));
}
}
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Header file guards are preprocessor directives whose primary role is to cause the compiler to _____
Header file guards are preprocessor directives with the primary role to cause the compiler to allow defining a function that are usable throughout a user's program.
What is a header file?A header file can be defined as a type of file which comprises macro definitions and C declarations and they are meant to be shared between several source files.
In Computer programming, header file guards are preprocessor directives with the primary role to cause the compiler to allow defining a function that are usable throughout a user's program.
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One of the many roles of the security compliance committee is to focus on controls that are widely used across a large population of applications, systems, and operations. These types of controls are known as ___________________.
You want to make sure that all users have passwords over eight characters in length and that passwords must be changed every 30 days. What should you do
Answer:
Configure account policies in Group policy.
Explanation:
which of the following is required to establish a new network switch and configure its IP address for the first time
Out-of-band management is required to establish a new network switch and configure its IP address for the first time.
What is Out-of-Band management?Out-of-Band management is known to be a form of services that makes sure that a tech do not require to be sent onsite and it is one where remediation can be done in a remote place.
Hence, Out-of-band management is required to establish a new network switch and configure its IP address for the first time.
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Which of the following is required to establish a new network switch and configure its IP address for the first time?
A. Client-to-site VPN
B. Site-to-site VPN
C. Out-of-band management
D. In-band management
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Which of the following protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server
IMAP protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server.
What is IMAP on one's email account?IMAP is a term that connote Internet Message Access Protocol. IMAP helps one to be able to access the same inbox from a lot of devices.
Hence, IMAP protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server.
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Add a media query that applies when the viewport's width is at least 600px. Use the .benefits-container selector to set flex-direction: row;
The media query that applies when the viewport's width is at least 600px will be:
media only screen and (min-width: 600px) {
.benefits-container {
flex-direction: row;
}
What are media queries?Media queries are the key part of responsive web design that allows the user to create different layouts depending on the size of the viewport.
They can also be used to detect other things about the environment your site is running on.
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If you forget to put a closing quotation mark on a string, what kind of error will be raised?
If you forget to put a closing quotation mark on a string, compilation (syntax) error is the kind of error that will be raised.
What is a closed quotation mark?The symbol is known to be one that is often used at the start of the quotation ("opening quotation mark") and it is one that is usually seen as “ ("open inverted commas") or ' ("open inverted comma").
Note that in regards to computer science, a syntax error is known to be a kind of an error that is often seen in the syntax of any given sequence of characters or what we call tokens that is said to be made or intended to be written in a specific programming language.
Therefore, If you forget to put a closing quotation mark on a string, compilation (syntax) error is the kind of error that will be raised.
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A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger
Since the developer created a helper class with a method that can be called from Visualforce pages, the method is as a result of a trigger known as option A. Check if Trigger.isExecuting ==true.
Who is a system developer?A systems developer is known to be one among the type of software developer.
Note that they are known to be the person that is said to be responsible as they help to create and implement applications and programs for the backend processing systems that is said to be often used in regards to businesses and organizations.
Note that Backend processing systems are said to be a behind-the-scenes aspect of software and as such, Since the developer created a helper class with a method that can be called from Visualforce pages, the method is as a result of a trigger known as option A. Check if Trigger.isExecuting ==true.
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A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger, the developer needs to execute logic that should not be executed If the method Is called from anywhere else. How can the developer determine if the code Is executed in a trigger context?
A. Check if Trigger.isExecuting ==true
B. Check if Trigger.newMap !=null.
C. Check if System.executionContext =='Trigger'.
D. Use the executeOnTrigger annotation on the method definition.
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how to print in this on python
#
# #
# # #
# # # #
# # # # #
Answer:
triangular ##&((+ hhvbh. hhhb hhv
Answer:
for i in range(1, 6):
print(("# " * i).rstrip())
Explanation:
You need to print one hashtag, then 2, then 3, and so on. We can use Python's string multiplication to get each line quicker.
String multiplication is an easy way to repeat the same string a certain number of times. It's done by multiplying the string to a number.
For example,
"hello" * 6
>> "hellohellohellohellohellohello"
If we multiply the string "#" by any number, we would get a number of hashtags side by side, without any space. To easily avoid this, we can multiply "# " instead to automatically put a space to the right of each hashtag.
We can use a for loop that goes through range(1, 6) to print out 5 rows.
for i in range(1, 6):
Then, we can print the string "# " multiplied by i.
print("# " * i)
However, this will also put a space at the end of the string, which we do not want to print. Hence, we can use the .rstrip() method to strip the string of any spaces on the right. We will first put the whole string in parentheses, then invoke rstrip on it.
print(("# " * i).rstrip())
Let's put both lines together.
for i in range(1, 6):
print(("# " * i).rstrip())
Illuminate all lamps and leds, remove fuses, and verify that trouble signals occur when testing
Illuminate all lamps and leds, remove fuses, and verify that trouble signals occur when testing for voltage.
What tool can Technicians use to check the lighting and accessory circuits?The technician can use a Voltmeter, ohmmeter, or continuity test and this is one that can best be used to test the above circuits.
Hence, Illuminate all lamps and leds, remove fuses, and verify that trouble signals occur when testing for voltage.
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Password complexity, password history, and password reuse are all examples of what?
Password complexity, password history, and password reuse are all examples of account policies.
What are Account policies?This refers to the document which contains the requirements necessary for maintaining or creating an account on computer systems or networks.
These policies vary from password complexity to avoid accounts being compromised to password history so as to be able to recover passwords on the system. This is achieved by the use of unique letters and numbers which are difficult to access by a third party thereby making it the most appropriate choice.
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What technique is most commonly associated with the use of malicious flash drives by penetration testers
Answer: Distributing malicious flash drives in a parking lot or other high-traffic area, often with a label that will tempt the person who finds it into plugging it in, is a technique used by penetration testers.
Explanation:
Create a directory called projects directly inside /home/fparker. Change the owner of /home/fparker/projects to the fparker user and change the group to the fparker group. Create a user account named ljenkins and set password123 as the password. Format the third drive's only partition with the ext4 file system.
To perform the tasks you described, you would need administrative privileges or use the appropriate commands with 'sudo'.
What is directory?A directory, also known as a folder, is a file system construct used to organize and store files and other directories. It acts as a container for grouping related files and subdirectories together in a hierarchical manner. Directories are an essential part of the file system structure in modern operating systems.
Here are the steps to achieve each task:
1. Create a directory called "projects" directly inside /home/fparker:
mkdir /home/fparker/projects
2. Change the owner and group of /home/fparker/projects to the fparker user and group:
chown fparker:fparker /home/fparker/projects
3. Create a user account named ljenkins and set "password123" as the password:
useradd ljenkins # Create the user account
passwd ljenkins password123 # Set the password for the user
After successfully completing these steps, you will have created the "projects" directory inside /home/fparker, changed its owner and group to fparker, created a new user account named ljenkins with the password "password123," and formatted the third drive's partition with the ext4 file system.
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What guidelines should you follow prior to ordering and installing memory in an hp business pc or notebook?
In computer, the guidelines that should be followed prior to ordering and installing memory in an hp business pc or notebook is to verify that the network cable is plugged in.
What is computer?It should be noted that a computer simply means the electronic device that can be used to make one's work easier.
In this case, in computer, the guidelines that should be followed prior to ordering and installing memory in an hp business pc or notebook is to verify that the network cable is plugged in. This is important to allow for easy installation.
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