The two character long executable programs ending in "r" would depend on the operating system and the particular software installed.
What are the shell commands?
Here is a shell command to list all the executables in the PATH that are two characters long and end in "r" on a Unix-like system:
find /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin -maxdepth 1 -type f -executable -name '[a-zA-Z][a-zA-Z]r' -print
This may not return an exhaustive list and the executables listed may not have the same functionality across different systems.
To find out what a particular program does, you can use the man or help command:
man program-name
or
program-name --help
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the c.i.a. triad for computer security includes which of these characteristics?
The C.I.A. triad for computer security includes the characteristics of availability.
Confidentiality, availability, and integrity. These three elements make up the C.I.A. Triad, a paradigm for information security designed to direct an organization's security practices and guidelines.
Confidentiality, Integrity, and Availability make up the C.I.A. trinity.
ConfidentialityData privacy is related to confidentiality for an organization. This frequently means that only permitted users and processes should have access to or the ability to change data.
IntegrityData that has integrity can be relied upon. It should be preserved in a proper state, stored securely to prevent tampering, and maintained to be accurate, authentic, and trustworthy.
AvailabilityData should be accessible to authorized users whenever they need it, just as it is crucial to prevent unauthorized users from accessing an organization's data. This include maintaining the functionality of systems, networks, and equipment.
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if you have about 500 hosts, and you want your address space to start at 18.2.150.0. what is the ip address block or range you will request from your upstream isp?
For 500 hosts, a typical address block size is a /24, which gives you 256 addresses. The IP address range you would request from your upstream ISP would be 18.2.150.0/24, giving you addresses from 18.2.150.0 to 18.2.150.255.
What is upstream isp?
An upstream ISP (Internet Service Provider) is a provider that delivers internet connectivity to another, smaller ISP. The smaller ISP, in turn, provides internet services to end users.
An upstream ISP typically provides high-speed, reliable internet connectivity to the smaller ISPs, who may then resell this connectivity to their customers at a profit. In this sense, the upstream ISP acts as a wholesale provider to the smaller ISPs, who act as retail providers to end users.
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What function does pressing the Tab key have when entering a command in IOS?
It aborts the current command and returns to configuration mode.
It exits configuration mode and returns to user EXEC mode.
It moves the cursor to the beginning of the next line.
It completes the remainder of a partially typed word in a command
The function of pressing the Tab key when entering a command in IOS is to complete the remainder of a partially typed word in a command. The IOS command-line interface (CLI) has a built-in auto-completion feature that allows users to quickly complete commands and avoid typing errors.
When a user types part of a command and then presses the Tab key, the CLI will display a list of possible command completions that match the partially typed word. If there is only one match, the CLI will automatically complete the command.
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From the list below, select the printing process that uses the natural repelling action of oil and water to differentiate the image area of the printing plate from the non-image area
A. Offset Printing
B. Gravure Printing
C. Flexographic Printing
D. Digital Printing
A. Offset Printing: From the list below, select the printing process that uses the natural repelling action of oil and water to differentiate the image area of the printing plate from the non-image area
The inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface in offset printing, a typical printing technique. The offset technique uses a flat (planographic) image carrier in conjunction with the lithographic process, which relies on the attraction of oil and water. While a water roller applies a water-based coating to the non-image parts of the image carrier, ink rollers transfer ink to the image areas of the image carrier.
In the current "web" technique, a big reel of paper is fed in segments, generally over a distance of several meters, via a large press machine, which prints constantly as the paper is fed through.
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Give at least 2 reasons why you should be aware of your computer's system components and their characteristics?.
Knowing your computer's system components and their characteristics can help you make better decisions when upgrading and troubleshooting, saving time and effort.
Knowing your computer's system components and their characteristics can help you to make more informed decisions when upgrading your system. This knowledge can help you to choose components that are compatible with each other and which will work best for your needs.Being aware of your computer's system components and their characteristics will also help you to diagnose and troubleshoot problems more quickly. Being familiar with the components and their capabilities can help you to identify what the cause of an issue might be, and help you to take the necessary steps to rectify it.Learn more about computer's system: https://brainly.com/question/1763761
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what factors might cause peak loads in a network? how can a network designer determine if they are important, and how are they taken into account when designing a data communications network?
Some of the factors that can cause peak loads in a network are:
One factor is time factors, users access different website on different times and a certain part of a day could become extremely busy. Second factor is tendency of the user, different users at different locations have different tendenciesWhat is a Peak Load in a Network?This refers to the number of packets in the network is at its highest level.
Hence, it can be seen that, in general, if you design for peak load, scale your system with the goal of handling 100 percent of peak volume. One of the most important factors for this to occur is time factors as different people try to gain access.
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In the personal budget template in Excel, which of the following sheets documents the amount of money spent within a month? A. Summary B. Monthly Income C. Monthly Expenses D. Monthly Savings
In the personal budget template in Excel, the sheets document the amount of money spent within a month as monthly expenses. The correct option is C.
What is a monthly expense?Monthly expense is the money spent in one month. Make a list of your monthly spending. To calculate it, always count the money and expenses.
This covers regular living costs like your rent or mortgage, car payment, and utilities, as well as more erratic costs like your monthly haircut, groceries, and clothes. The template in Excel is present at the top of the page.
Therefore, the correct option is C. Monthly Expenses.
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What software is required to read, program, and troubleshoot the first generation of Mercedes-Benz 900 and 4000 engines?
a. ServiceLink
b. Electronic Technician
c. INSITE
d. MackNet
Electronic Technician is required to read, program, and troubleshoot the first generation of Mercedes-Benz 900 and 4000 engines.
What is troubleshoot?
Troubleshoot is the process of identifying and solving problems within a system. It is an important step in the process of resolving unexpected issues that arise when using a system. Troubleshooting often involves identifying the source of an issue, determining what is causing it, and finding a solution to fix it. It can involve testing different possible solutions and experimenting with different approaches, as well as using diagnostic tools and other resources to identify the source of the problem. Troubleshooting also involves being resourceful, creative, and open to different solutions. Troubleshooting can be time-consuming and challenging, but it is a necessary step for resolving technical issues.
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you want to use the geom bar() function to create a bar chart. add the code chunk that lets you create a bar chart with the variable rating on the x-axis. 1 run reset how many bars does your bar chart display?
You add the code chunk geom_bar(mapping = aes(x = Rating)) to create a bar chart with the variable Rating on the x-axis. The correct code is ggplot(data = best_trimmed_flavors_df) + geom_bar(mapping = aes(x = Rating)) . In this code chunk:
geom_bar() is the geom function that uses bars to create a bar chart. Inside the parentheses of the aes() function, the code x = Rating maps the x aesthetic to the variable Rating. Rating will appear on the x-axis of the plot. By default, R will put a count of the variable Rating on the y-axis.Your bar chart displays 2 bars.
A chart is a visual representation of data in general. Users can view the results of data in charts to better understand and forecast both present and future data. A chart sheet and an embedded chart are the two types of charts available in spreadsheet systems like Microsoft Excel. A worksheet can contain an embedded chart, which is a chart object. A chart sheet is a chart on its own sheet.
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Which of the following is essential for information to be useful?
a. Language independence
b. Summarization
c. Data variability
d. Relevance
For information to be useful, it must be relevant to the problem or situation at hand. d. Relevance means that the information has a direct bearing on the question being asked or the task being performed.
What is Information?
Information in terms of computer refers to data that has been processed, organized, and presented in a meaningful manner. It can take the form of text, images, videos, or other digital formats, and it is stored, manipulated, and transmitted using computer systems and networks.
Information technology plays a crucial role in modern society, enabling the efficient processing, sharing, and dissemination of knowledge.
If the information is not relevant, it does not matter how well it is summarized or how variable the data is, it will not serve its purpose of providing guidance or support in decision making. Relevance is therefore the most important aspect of useful information.
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Recognition errors (like mistaking CQRN for CORN) lead us to what conclusion about feature nets?
In order to organize and understand the visual data, visual perception is a highly active process in which the perceiver goes beyond the information provided.
The method must define the input's figure/ground arrangement and the level of detail for the figure. Some principles, such as those listed by Gestalt psychologists, serve as a guide for the interpretive process. The properties of the input and its overall configuration appear to simultaneously guide the interpretation, which is significant.
We can quickly identify a large variety of items in a wide variety of settings. Context strongly influences our recognition and can affect whether or not we recognize an object. Investigators have frequently concentrated on the recognition of printed language.
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matt is designing a website authentication system. he knows passwords are most secure if they contain letters, numbers, and symbols. however, he doesn't quite understand that this additional security is defeated if he specifies in which positions each character type appears. he decides that valid passwords for his system will begin with three letters (uppercase and lowercase both allowed), followed by two digits, followed by one of symbols, followed by two uppercase letters, followed by a digit, followed by one of symbols. how many different passwords are there for his website system? how does this compare to the total number of strings of length made from the alphabet of all uppercase and lowercase english letters, decimal digits, and symbols?
There are five main types of passwords: Console Password. Aux or Auxiliary Password. Enable Password
How many six-character passwords exist?There are 308,915,776 potential passwords.
Explanation and response: This is a permutation problem with repetition permitted. To create a 6-character password, we must arrange 26 lowercase letters from the English alphabet. There are a total of 308,915,776 potential passwords.
To count uppercase letters, match() and a regular expression are employed. We’ve made a button and assigned a onclick function count (). There is a count() method in script tag that takes the value supplied in the above input field. From beginning to end, traverse the string character by character. Examine each character’s ASCII value for the following conditions: If the ASCII value is between [65, 90], it is an uppercase letter.
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4.3 Suggest ONE way in which to ensure that documents created in new software versions are compatible with older software versions.
One way to ensure document compatibility between new and older software versions is to save the documents in a universally recognized file format such as PDF or plain text.
These file formats can be opened and read by a wide range of software, regardless of version, and retain the document's original formatting and content.
What is compatibility in software?Software incompatibility refers to the ability of software components or systems to perform successfully together on the same computer or on machines linked by a computer network.
They might be components or systems designed to work together or independently
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What would be the best name for a folder containing these files:
Administrative Assistance Roster.xlsx
Executive Assistant Contact Info.pdf.pdf
Admin Food Preference.doc
Receptionist HR Details.xlsx
Admin Assistant Retreat Fall 2020.pdf
Choice of answer:
A. Filling System Directories
B. Organizational Skill
C. Support Staff Files
D. Employee Orientation
E. Troubleshooting Guiders
The best name for a folder containing these files would be "Support Staff Files."
Explanation:
1. "Administrative Assistant Rosterats" may not provide a clear indication of its content.
2. "Executive Assistant Contact Info.pdf" suggests that the file contains contact information for executive assistants.
3. "Admin Food Preferences.doc" implies that the file contains information about food preferences related to administrative tasks.
4. "Receptionist HR Details.xlsx" suggests that the file contains HR details specifically related to the receptionist role.
5. "Admin Assistant Retreat Fall 2020" indicates that the file relates to a retreat event for administrative assistants in the fall of 2020.
Considering the different files, a folder name like "Support Staff Files" would encompass the files related to different staff members in administrative roles, such as administrative assistants, executive assistants, and receptionists.
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What can someone with nefarious intentions do with the last four digits of your Social Security number?
Someone with nefarious intentions could use the last four digits of your Social Security number to gain access to your personal information. They could use it to open a new line of credit in your name or to gain access to your bank accounts.
What is the digits ?The digits are the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 that are used to form numerals and to perform various mathematical operations. They are essential to all aspects of mathematics, science and engineering, and form the basis for modern technology such as computers and smartphones. The digits are used to represent values, perform calculations, and store information that can be used for a variety of purposes.Digits are used in almost all forms of math, such as addition, subtraction, multiplication, and division, as well as in measuring, counting, and tracking data.
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An e-mail filter is planned to separate valid e-mails from spam. The word free occurs in 60% of the spam messages and only 4% of the valid messages. Also, 20% of the messages are spam. Determine the following probabilities:.
The answer are 15.2%, 12% and 96.8% respectively.
Given to us:
word free occurs in the spam messages is 60%,
word free occurs in the valid messages is 4%,
20% of the messages are spam,
to simplify the question, let us assume that a total of x number of messages are there.
So,
20% of the messages are spam =
80% of the messages are valid =
a.) Probability of the message contains free;
Since, 60% of the spam messages contain word Free
Probability of the spam message contains free
= percentage of the messages that are spam x percentage of the messages that are spam containing word free
Also, 4% of the valid messages contain word Free;
Probability of the valid message contains free
= percentage of the messages that are valid x percentage of the messages that are valid containing word free
Probability of the message contains free
= Probability of the spam message contains free + Probability of the valid message contains free
=0.12x + 0.032x
= 0.152x
= 15.2% of x
Therefore, the probability of the message contains free is 15.2%.
b.) Probability of the message is spam given that it contains free;
Since, 60% of the spam messages contain word Free
Probability of the spam message contains free
= percentage of the messages that are spam x percentage of the messages that are spam containing word free
Therefore, the probability of the message contains free is 12%.
c.) Probability of the message is valid given that it does not contain free,
Since, 4% of the valid messages contain word Free;
Probability of the valid message contains free
= percentage of the messages that are valid x percentage of the messages that are valid containing word free
Also, we know that the probability of any sure event is 100% = 1.
So, Probability of the message is valid which does not contain free
= 1 - Probability of the valid message contains free
= 1 - 0.032
= 0.968
= 96.8% of x.
Therefore, Probability of the valid message that does not contain free is
96.8%.
Hence, the answer are 15.2%, 12% and 96.8% respectively.
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: you are working for a company that produces fitness tracking devices. the company sells approximately 50,000 devices of model a137 every year. the company offers a 6-month warranty. customers use the devices between 1 and 7 days per calendar week, uniformly distributed. that is an equal number of people use their devices 1 day per week, and 2 days per week, and so on. the failure rate of the devices (a constant) is 0.014 failures per day of use. if all failed devices are returned, how many warranty claims will the company have to pay per year.
The company will have to pay 35,700 warranty claims per year due to the 0.014 failure rate per day of use.
The company will have to pay approximately 35,700 warranty claims per year.
This is calculated by multiplying the total number of devices sold (50,000) by the average number of days used per week (4) by the failure rate (0.014) to get 3,500 failures per week.
Multiply this by 52 (weeks in a year) to get 182,000 total failures.
Subtract the number of devices sold (50,000) to get 132,000 failures that qualify for warranty claims, and divide this number by 4 (the number of months of warranty) to get the total number of warranty claims per year (35,700).
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how many 8-bit strings contain 5 or more 1’s?
There exist 37 8-bit strings contain 5or more 1s.
What are strings?The strings, which make up the majority of the orchestra, are composed of four sizes: the violin, which is the smallest, viola, cello, and double bass, also known as the contrabass. Text and character storage is done through strings. A string of characters is, for instance, "Hello World."In C programming, a string is a collection of characters that is terminated with the null character "0." An array of characters is how strings are defined. A string and a character array vary in that a string is finished with the distinctive letter "0." A string is a programming data type that represents words rather than integers.We need to consider 3 different cases. In each case, the 8-bit string is entirely determined by the location of the [tex]$1 \mathrm{~s}$[/tex].
Case 1: there are six 1s. We need to find how many ways there are to arrange[tex]$61 \mathrm{~s}$[/tex]among 8 positions. This is [tex]$C(8,6)$[/tex].
Case 2: there are seven 1s. Following the same logic as in case 1 , there are [tex]$C(8,7)$[/tex]strings that contain seven 15.
Case 3: there are eight 1s. There's only one 8-bit string that has eight [tex]$1 \mathrm{~s}$[/tex] since [tex]$C(8,8)=1$[/tex].
Since there is no overlap between these three cases, the addition principle is used to determine the total number of 8 -bit strings that contain at least six [tex]$1 \mathrm{~s}$[/tex] :
[tex]$$C(8,6)+C(8,7)+C(8,8)=28+8+1=37$$[/tex]
The complete question is,
How many 8-bit strings contain six or more 1s?
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write a c program to input of name,roll no and marks obatined by a. student in 4 subject of 100 marks each and display the name,roll no with percentage score secured
Five distinct variables average is found by dividing the sum of all the subjects by the total number of subjects, or total / 5. Utilize the formula % = (total / 500)*100 to determine the percentage.
How to C Program to Calculate Percentage of 5 Subjects?You simply need to add up all the grades and perform a multiplication operation with a base of 100 to calculate the percentage of five subjects. The total possible score for a student is then divided by that number. As a final result, you will be given the percentage of the five subjects.
Calculating the percentage of five subjects using a C programming algorithm
Read the results of five exams and record them in five distinct variables.
Write down the total of all the subjects: eng + phy + chem + math + comp. Average is found by dividing the sum of all the subjects by the total number of subjects, or total / 5.
Utilize the formula % = (total / 500)*100 to determine the percentage.
Print the total, average, and percentage results to complete the report.
Since the c program must perform mathematical calculations in order to calculate the percentage of 5 topics, time complexity O(1) will be the time complexity.
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How do you ensure data privacy compliance?
Develop a data privacy policy,Train staff, Implement security measures, Monitor data use,Perform regular audits, Stay up to date.
What is the security ?Security is the state of being protected against harm or other non-desirable outcomes. It is the practice of protecting systems, networks, and programs from digital attacks. These attacks are usually aimed at accessing, changing, or destroying sensitive information, extorting money from users, or interrupting normal business processes. Security encompasses a wide range of measures, including authentication, access control, firewalls, encryption, malware prevention, and data backup. It involves procedures, policies, and technologies designed to protect systems and data from unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording, or destruction.
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in order that the connections inside an outlet box remain accessible, the nec requires that a surface extension from an outlet box cover be made using . a. a flexible conduit only b. a cable only c. a nonmetallic raceway d. either a flexible conduit or a cable
Merely a flexible conduit. A sturdy tube called a flexi electrical conduit shields electrical wiring in tight spaces with sharp twists, such water heaters or light fixtures.
The NEC defines an outlet in what way?The National Electric Code provides specific standards for fixed outdoor electric deicing and snow-melting equipment, as well as electric heat tracing equipment. * Remember that a “Outlet” is defined in NEC Article 100 as a point on the wiring system where current is taken to feed utilization equipment.
NEC 210-52 states (abridged for ease of understanding): Every room in the house needs receptacles such that no point on the wall is more than 6′ from an outlet. This implies that an outlet must be within 6 feet of a doorway or fireplace. A long wall, on the other hand, may have up to 12′ between outlets.
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6. suppose that i is a variable of type int, j is a variable of type long, and k is a variable of type unsigned int. what is the type of the expression: i (int) j * k
When i is a variable of type int, j is a variable of type long, and k is a variable of type unsigned int. Then the type of the expression "i (int) j * k" is unsigned int.
What is unsigned int?
An "unsigned int" is a data type in computer programming that can store non-negative integer values, i.e., numbers greater than or equal to 0 and less than or equal to a maximum value that depends on the number of bits used to represent the type (typically 32 bits).
The "unsigned" keyword in front of "int" specifies that the values stored in the variable should be treated as unsigned, i.e., non-negative.
What is variable?
A variable is a named storage location in a computer program that holds a value, which can be changed during the execution of the program. Variables have a type, which determines what kind of values they can store (e.g., integers, floating-point numbers, strings, etc.), and a name, which is used to refer to the variable and its value in the code.
The value of a variable can be assigned using an assignment operator, and it can be used in expressions and algorithms to perform operations and make decisions.
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e. which logical unit of the computer makes logical decisions?
The Central Processing Unit (CPU) makes logical decisions in a computer.
How the CPU takes logical decisions?
The CPU in a computer is the primary component responsible for processing and executing instructions. It makes logical decisions based on the data and operations specified in the instructions.
The CPU uses Boolean logic to perform binary operations, such as AND, OR, NOT, and XOR, to determine the outcome of a given instruction. The result of these operations is used to make decisions about what actions the CPU should take, such as jumping to a different section of the program or storing data in memory.
These decisions are made in a fraction of a second, allowing the CPU to quickly process vast amounts of information and execute complex operations.
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the worst-case complexity of euclid’s algorithm for computing the gcd(a,b) occurs when a and b are
Euclid's approach for finding the gcd's worst-case complexity The worst case scenario is when a and b are Fibonacci numbers.
It is sufficient to call gcd(a, b) = gcd(a, b, 1). (a, b). 12.3: Using the binary Euclidean technique, find the greatest common divisor. The temporal complexity is thus O(log(a b)) = O(log a + b) = O (log n). For really big numbers, O((log n)2), since each arithmetic operation takes O(log n) time.
The following is the Euclidean Algorithm for calculating GCD(A,B): If A = 0, GCD(A,B)=B since GCD(0,B)=B, then we can quit. If B = 0, GCD(A,B)=A since GCD(A,0)=A, therefore we can quit. A should be written in quotient remainder form (A = BQ + R). If gcd (a, b) is defined by the formula d=a*p + b*q, where d, p, q are all positive integers and a, b are both non-zero, the expression is known as Bezoar's Identity, and p, q may be determined using an extended variant of the Euclidean method.
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a host wants to send a message to another host that has an ip address of 115.99.80.157, but it does not know the destination device's hardware address. which protocol can be used to discover the mac address?\
The type of protocol that can be used to discover the mac address is ARP. The address resolution protocol has a function to discovering the link layer address.
In computer and technology, The Address Resolution Protocol or also known as ARP generally can be defined as one of the type of internet protocol or also a communication protocol used for discovering the link layer address. Several types of link that can be discover using ARP such as a MAC address, associated with a given internet layer address, typically an IPv4 address. The Address Resolution Protocol is a critical function in the Internet protocol suite.
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What is output by the following code? Select all that apply. Please explain if can!
c = 2
while (c < 12):
print (c)
c = c + 3
Explanation:
The code will print:
2
5
8
11
Explanation: The code defines a variable c and initializes it to 2. It then enters a while loop that continues as long as c is less than 12. Within the loop, the value of c is printed, then incremented by 3 with each iteration. The loop continues until c is equal to or greater than 12. The values printed by the code are 2, 5, 8, and 11.
What is a view of the heart's electrical impulses?
A view of the heart's electrical impulses is known as an electrocardiogram (ECG). An ECG is a graphic representation of the electrical activity of the heart, which can be used to diagnose a variety of heart conditions and diseases.
What is the impulses ?An impulse is an action or reaction that is sudden and instinctive. It is an instinctive and immediate response to a particular situation or stimulus that is largely beyond conscious control. Impulses can be both positive and negative. For example, a person may experience an impulse to help someone in need, or an impulse to lash out in anger. Impulses are often seen in cases of sudden decisions, such as a person impulsively quitting their job, or buying something without thinking. Impulses can be difficult to control and may lead to regretful decisions and outcomes.
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The web development team is having difficulty connecting by SSH to your local web server and you notice the proper rule is missing from the firewall What port number would you open on your webserver?
Answer:
Port 22 is most often the port SSH connects through, so opening it up can be a good way to solve the issue.
Explanation:
is a template that defines objects of the same type. a. a data field b. a class c. a method d. an object
Answer:
A class
Explanation:
In object-oriented terminology, a class is a template for defining objects. It specifies the names and types of variables that can exist in an object, as well as "methods"--procedures for operating on those variables. A class can be thought of as a "type", with the objects being a "variable" of that type.
in the odyssey, what personality trait does odysseus reveal when he devises a plan to listen to the sirens' song and yet escape destruction? a. irritability b. loyalty c. curiosity d. generosity
A plan to listen to the sirens' song and yet escape destruction is c. curiosity.
What is curiosity?Curiosity is defined as a great desire to study or understand something. Curious people frequently do not "need" the information they seek. They seek solutions to their queries in order to obtain knowledge. Curious people may actively seek out new challenges and experiences to extend their perspectives.
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