Port 22 is the right one to use for Secure File Transfer Protocol (SFTP).
How does protocol work?
A protocol is a collection of instructions for exchanging data. Each step and process of communication between a number of computers has a set of rules that apply to it. For networks to transport data successfully, they must abide by certain guidelines. Protocols puts out the rules for communication and give specifics on the steps taken during data transmission. Multiple protocols may run concurrently on a single process. A protocol family is developed as a result of this protocol coordination.
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3.Assume thata,b, andcarebooleanvariables that have been properly declared and initialized. Which ofthe followingbooleanexpressions is equivalent to!(a && b) || c?(A)a && b && c(B)a || b || c(C)!a && !b || c(D)!a && !b && c(E)!a || !b || c
Answer: (E) !a || !b || c
So, If we assume that a, b and c are Boolean variables that have been properly declared and initialized. Then the Boolean Expression which is equivalent to !(a && b) || c == !(a && b) || c.
What is Boolean Variable?
Programming languages use the data type "Boolean" for variables that can only have one of two potential values: true or false.
Depending on the application, a Boolean variable can represent 1 (true) or 0 (false) in a variety of ways.
Boolean variables can be given a true or false value, typically based on a Boolean comparison, in almost every computer language.
Boolean algebra is the application of Boolean operations to mathematical equations. The above-described Boolean logic is represented in Boolean algebra by particular symbols.
AND: Conjunction operation using the ∧ notationOR: Disjunction operation using the ∨ notationXOR: Exclusive OR using the ⊕ notationNOT: Negation operation using the ¬ notationTo know more about Boolean Variable, visit: https://brainly.com/question/20366757
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of all of the greentalks you've seen so far, are there any that raise an ethics issue? write one page in memo style, single spaced. upload here.
Concerns about the welfare of animals, particularly the living conditions of donor animals, are also raised; these concerns are particularly acute in confinement agriculture.
The keeping of animals in environments that do not satisfy their needs as indicated by their biological and psychological natures is a significant problem. Animals used for xenotransplantation will be housed in inhumane conditions that don't fit with their natural habitats. This is a major issue for society as a whole. In addition, there are problems with "bad ethics" brought on by scientists' denial of ethical issues in their field. This in turn fosters the growth of religious and other irrational concerns, such as the idea that xenotransplantation goes against God's will, in conjunction with society's ignorance of science.
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question 9 ieee 802.15 adopted protocols are those protocols developed by other standards groups that are used with the bt protocol stack to ensure interoperability to other devices or networks. true false
This statement is False. IEEE 802.15 is a group of wireless networking standards that are developed and maintained by the Institute of Electrical and Electronics Engineers (IEEE).
What is IEEE?The Institute of Electrical and Electronics Engineers (IEEE) is a professional organization that is dedicated to advancing technology for the benefit of humanity.
It is one of the world's largest technical professional organizations, with over 400,000 members in more than 160 countries. The IEEE is involved in a wide range of activities, including the development of technical standards, the publication of academic journals and conference proceedings, and the organization of conferences and workshops.
The IEEE also supports education and professional development for its members, and it provides a platform for networking and collaboration among technical professionals. The organization was founded in 1963 and is headquartered in New York City.
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what type of error occurs when a programmer uses an incorrect calculation or leaves out a programming procedure?
When a programmer does an inaccurate calculation or omits a step in the programming process, a logic error occurs.
Explain about the logic error?A flaw in the reasoning or framework of the problem results in a logic error. A programme often doesn't crash due to a logic fault. Yet a program's output could be unexpected due to a logical mistake.
When the instructions provided by the software do not achieve the desired result, the error is logical. When the person meant to request a cup of tea, saying "Get me a cup of coffee." is illogical. This error may appear in a variety of ways in computer applications.
Arguments that have flaws, are misleading, or are untrue are known as logical fallacies and can be refuted through logic.
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SQL and relational algebra, both aim at retrieving data from pre-defined data tables. However, they differ in terms of what they specify about data retrieval and what they are needed for. Explain these differences.
Answer:
The main application of relational algebra is to provide a theoretical foundation for relational databases, particularly query languages for such databases, chief among which is SQL.
Explanation:
public-key certificates do not carry a range of effective dates, which means a certificate can be set to never expire
Public-key certificates do not carry a range of effective dates, which means a certificate can be set to never expire. (False).
What is public-key certificate?In the field of cryptography, a public key certificate—also referred to as a digital certificate or an identity certificate—is an electronic record that serves as evidence of the reliability of a public key. The certificate includes details about the key, details about the owner's identity (referred to as the subject), and the digital signature of a body that has validated the certificate's contents (called the issuer).
This key can be used to securely communicate with the subject of the certificate if the signature is valid and the program inspecting the certificate believes the issuer. The subject of a certificate is frequently an individual or organization in email encryption, code signing, and e-signature systems. But in Transport Layer Security (TLS), the object of a certificate is typically a computer or other device.
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what is the purpose of arp? to list all configured interfaces on a system to list the ethernet name of a host machine to resolve ip addresses to ethernet addresses to convert ethernet addresses to ip addresses
The purpose of ARP is to resolve IP addresses to Ethernet addresses.
What is IP address ?
An Internet Protocol (IP address) is a number label that identifies a computer system that employs the Internet communication protocol. An example of such an IP address is 192.0.2.1. Identification of a network interface and location addressing are the two primary purposes of an IP address. A 32-bit number is what the Internet Protocol Version 4 (IPv4) defines as an IP address. However, a new version of IP (IPv6), using 192-bit for the IP address, was created in 1998 as a result of the expansion of the Web and the exhaustion of IPv4 addresses. Installation of IPv6 has been happening since the middle of the 2000s. Sentient notations are employed to write and show IP addresses, including such 192.0.2.1 in IPv4.
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which siem component is responsible for gathering all event logs from configured devices and securely sending them to the siem system?
The Log Collector is a SIEM component that collects all log file from configured devices and safely transmits them to the SIEM system.
Describe a device.
A computer system's hardware or apparatus that performs one or more computational functions is referred to as a device. It can send data into the computer, receive data from it, or do both. Any electrical component with some computer power and the capacity to install firmware or following software qualifies as a device. A gaming mouse, speakers, printer, and microphone are examples of common hardware. A devices may also be alluded to as an electronic instrument, an appliance, or a gadget.
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if the solution obtained by an approximation algorithm is : 10 the optimal solution is : 5 what will be the value of the approximation ratio?
The value of the approximation ratio will be 2, if the solution obtained by an approximation algorithm is : 10 and the optimal solution is : 5.
What is Algorithm?
An algorithm is a step-by-step procedure that defines a sequence of instructions that must be followed in order to produce the desired result. An algorithm may be implemented in more than one programming language because algorithms are usually developed independently of underlying languages. An algorithm's characteristics include unambiguity, fineness, effectiveness, and language independence. The main factors that contribute to the importance of an algorithm are its scalability and performance.
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you have users who need to do some programming projects in the ruby programming language. what dnf command do you use to find out whether there is a ruby package available for installation on the linux server?
You have users who need to do some programming projects in the ruby programming language.
DNF command we use to find out whether there is a ruby package available for installation on the linux server is DNF list ruby.
About DNFDandified YUM or what is commonly called DNF is a software package manager used for RPM (RedHat Package Manager) based Linux distributions. DNF is the latest replacement for the YUM package which functions to maintain CLI (Command Line Interface) compatibility with YUM.
The software that was introduced for the first time in Fedora 18 can calculate the dependencies automatically and determine what actions are needed to install the package. In addition, users no need to manually update machine because DNF will make it easier to manage group of machines.
DNF allows users to download packages, remove packages, update, downgrade, and install. DNF is also able to define strict APIs for doing plugins and extensions that allow DNF modifications or provide additional CLI commands
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if the following elements were to form an ionic compound, which noble-gas configuration would they most likely attain?
Ionic compounds are formed by the combination of a metal and a nonmetal.
The metal atom loses electrons to become a cation with a positive charge, and the nonmetal atom gains electrons to become an anion with a negative charge.
The resulting ions are then attracted to each other by electrostatic forces to form an ionic compound.
The noble-gas configuration is a term used in chemistry to describe the outermost electron configuration of an atom. The noble gases are a group of elements in the periodic table that have a stable electron configuration, with a full outermost energy level.
When atoms react to form compounds, they often gain or lose electrons to attain a noble-gas configuration, which is more stable.
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in centos 7 using an extension on script files is optional. however, some linux system administrators prefer to add a file extension to their scripts. what file extension is commonly used for this purpose?
Some linux system administrators prefer to add a file extension to their scripts. The file extension that is commonly used for this purpose is .sh.
What is a SH file?A person can run a shell script called a sh file at a terminal. You can tell the script you referenced is a bash script by opening it and looking at the shebang, or magic line, in the first line of the file.
Therefore, one can say that a scripting language instructions file with the extension "sh" includes computer programs that may be run by the Unix shell. It may include a string of commands that are executed one after the other to perform actions like processing files or running programs, among other things.
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How can you effectively use your brightspace resources to help you be a successful student.
Answer:
study hard
Explanation:
You have created your narrative and visuals, so now it’s time to build a professional and appealing slideshow. You choose a theme that matches the tone of your presentation. Then, you create a title slide with a title, subtitle, and the date.Next, you create the following slide about electric vehicle sales in 2015 compared to 2020:After reviewing it, you decide to decrease the number of words on your slide. For what reasons will this make your slide more effective? Select all that apply.Multiple Choice Question. Please Choose The Correct Options ✔ASlide text should be no more than 10 lines totalBThe text shouldn’t simply repeat the words you sayCThe font size is too small for your audience to readDSlide text should be fewer than 25 words total
B. The text shouldn’t simply repeat the words you say. If you create some presentation through ms. power point, it's better to simply your explanation. Don't repeat the same word to make your slide more effective.
Ms PowerPoint can be defined as an application that is used to make presentation. Microsoft PowerPoint was launched on April 20, 1987. It is created by Robert Gaskins and Dennis Austin. They come from a software company named Forethought, Inc. Ms acquired PowerPoint for about $14 million three months after it launched. With ms. powerpoint you can create some presentation with combination text, image, transition, animation.
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question 3 when using vlookup, there are some common limitations that data analysts should be aware of. one of these limitations is that vlookup can only return a value from the data to the left of the matched value.
When using vlookup, there are some common limitations that data analysts should be aware of. one of these limitations is that vlookup can only return a value from the data to the left of the matched value. (false)
What is VLOOKUP?Excel's VLOOKUP function is a tool for finding a piece of information in a table or data set and extracting the relevant data or information. In plain English, the VLOOKUP function instructs Excel to "look for this piece of information (for example, bananas) in this data set (a table), and tell me some corresponding information about it (for example, the price of bananas)".
The following arguments are used with the VLOOKUP function:
Lookup value (required argument) - Lookup value specifies the value that we want to look up in the first column of a table.Table array (required argument) - The table array is the data array that needs to be searched. In this array's left-most column, the VLOOKUP function conducts its search.And more.
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Match the type of concurrency with its description: executing two or more high-level machine instructions simultaneously executing two or more high-level statements simultaneously executing two or more subprograms simultaneously executing two or more programs simultaneously
1. Multiprocessing: executing two or more programs simultaneously.
Multiprocessing involves the concurrent execution of two or more separate programs. Each program is assigned to a different processor or core, allowing the programs to be executed in parallel.
2. Multithreading: executing two or more high-level statements simultaneously.
Multithreading is the ability of a program or an operating system to execute multiple threads of execution concurrently. Each thread of execution is a sequence of instructions that can be executed independently of other threads, allowing multiple threads to be executed at the same time.
3. Multitasking: executing two or more subprograms simultaneously.
Multitasking is the concurrent execution of multiple subprograms. Each subprogram is assigned to a different processor or core, allowing the subprograms to be executed in parallel
4. Simultaneous Multithreading: executing two or more high-level machine instructions simultaneously.
Simultaneous Multithreading (SMT) is the ability of a processor or an operating system to execute multiple threads of execution simultaneously. SMT allows multiple threads to be executed at the same time, allowing the processor or operating system to execute multiple high-level machine instructions simultaneously.
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When you are ready to start building your scripts in Scratch for the spaceship in your Space Invaders game, what tab should you be in?
A.
Sprite
B.
Code
C.
Backdrops
D.
Sounds
When you are ready to start building your scripts in Scratch for the spaceship in your Space Invaders game, the tab should you be in is: "Sprite" (Option A)
How do you run a code from scratch on Spaceship?Scratch is primarily designed for children enthusiastic about coding and game production. It is a graphical programming language that allows youngsters to create a variety of entertaining and colorful projects such as animations, games, tales, and much more.
Sign in to your Scratch account.Start a New ProjectSelect your SpriteDrag the Code Blocks into PlaceStart the Scratch Project.Conserve your ProjectLearn more about Scripts:
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imwrite. write a new image that is similar to the image matrix a, % except that the values should be a third as bright. the name of the new % image is stored in the variable img2.
img2 = a/3; By dividing the original image matrix 'a' by a value of 3, we can create a new image matrix 'img2' which is similar to the original but with all of the values a third as bright.
The name of the new % image is stored in the variable img2?img2 = a/3The new image matrix stored in the variable 'img2' is created by taking the original image matrix 'a' and dividing all of the values by a third. This results in a new image matrix which is similar to the original, except that the values are a third as bright. This can be used to create a darker or more subtle version of the original image.
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you are a developer working at a cloud company that embraces serverless. you have performed your initial deployment and would like to work towards adding api gateway stages and associate them with existing deployments. your stages will include prod, test, and dev and will need to match a lambda function variant that can be updated over time.
AWS::Serverless::UserPool is the stage that will include prod, test, and dev and will need to match a lambda function variant that can be updated over time.
You may run code for practically any kind of application or backend service with AWS Lambda, a serverless, event-driven computing service, without creating or managing servers. Over 200 AWS services and software as a service (SaaS) apps can trigger Lambda, and you only pay for what you use.
The serverless compute service AWS Lambda executes your code in response to events and manages the underlying compute resources for you automatically. These can be updates or state changes, like when a user adds something to their shopping cart on an e-commerce website.
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What will be the output
int x = 10;
if(x > 10)
System.out.println("Thursday");
if( x < 10 )
System.out.println("Friday");
Answer:
What math is that?
Explanation:
Please show me a picture so I can help you out
Guocheng, a system administrator, is testing the network at his organization to identify performance issues. He is using Resource Monitor on a Windows 10 system to identify whether the network subsystem is a bottleneck.
Which of the following would indicate that the network connection between the local address and a remote address is oversaturated?
Select one:
a. Low latency
b. High Receive (B/sec)
c. Low Send (B/sec)
d. High packet losses
High packet losses indicate that the network connection between the local address and a remote address is oversaturated.
What is network subsystem?Even with a fast internet connection, packet loss can still happen. Switching from Wi-Fi to ethernet, changing ethernet ports, and power cycling your router are all basic troubleshooting techniques. You can also access the router's settings to activate Quality of Service (QoS) settings or update the firmware.
Packet loss happens when data packets are dropped during data transmission due to network congestion, hardware problems, software defects, and various other reasons. Along with delay and jitter, packet loss is one of the three main performance issues that affect networks.
Ethernet cables leak packets if they are broken, wrongly connected, or too slow to manage the network's traffic. Software flaws: Packet loss can be brought by by flaws in the computer or network hardware firmware.
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Write a function that takes in a parameter, squares it, and then prints the results. Squaring a number means multiplying it by itself. Then make several calls to that function in your start function to test it out. Does it
work for all arguments?
this is what i have so far but when i check the code it says “you should call your function square with some parameters. call your function at least twice” what am i doing wrong?
Answer:
are you looking answer like this?
def square(x):
return x * x
def start():
print(square(2))
print(square(3))
print(square(4))
print(square(5))
start()
safari uses meditation and visualization to reduce stress and improve overall well-being. what type of medical system is safari using?
Note that safari uses meditation and visualization to reduce stress and improve overall well-being. The type of medical system is safari using is: "mind-body interventions"
What are mind-body interventions?
Mind-body interventions, sometimes known as mind-body training, are health and fitness interventions that aim to improve both physical and mental health, such as yoga, tai chi, and Pilates.
In the United States, mind-body interventions are the most often utilized kind of complementary and alternative medicine, with yoga and meditation being the most popular types.
Relaxation, hypnosis, visual imagery, meditation, biofeedback, cognitive-behavioral therapy, group support, and spirituality are all examples of mind-body approaches, as are expressive arts therapies such as painting, music, or dance.
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You are the network administrator for a large communications company. You have 25 computers that currently run windows 7. These computers have the following configurations: o a single mbr disk o a disabled tpm chip o disabled hardware virtualization o uefi firmware running in bios mode o enabled data execution prevention (dep) you plan to upgrade the computers to windows 10. You need to ensure that the computers can use secure boot. Which two actions should you perform? (choose two)
The administrator must perform the action of convert the MBR disk to a GPT disk. Correct answer: letter A.
Secure Boot requires that the computer have a GUID Partition Table (GPT) disk. MBR disks do not support Secure Boot. Therefore, in order to enable Secure Boot on the computers, the administrator must first convert the MBR disk to a GPT disk.
What is Secure Boot?Is a feature of UEFI (Unified Extensible Firmware Interface) that helps protect a computer against malicious software (malware) and unauthorized operating systems or programs by verifying the integrity of the boot process.
It helps ensure that a computer only runs trusted software by blocking the loading of any unauthorized or modified code during the boot process. Secure Boot works by verifying the digital signature of the bootloader before loading it. This prevents malicious code from being loaded and executed.
You need to ensure that the computers can use Secure Boot. Which one action should you perform?
A) Convert the MBR disk to a GPT disk.
B) Enable BitLocker drive encryption.
C) Convert the firmware from BIOS to UEIF.
D) Enable hardware virtualization.
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the term elastic in ec2 refers to the fact that you can easily increase or decrease the number of servers you run to support an application automatically, and you can also increase or decrease the size of existing servers.
The phrase "elastic" refers to the ability of a user to construct, launch, and terminate server instances as needed while paying per second for active servers.
By giving users control over the physical location of instances, EC2 enables users to reduce latency and increase redundancy. the capacity to acquire resources as needed and to release resources as required. You want to carry out this task automatically in the cloud. Even if an instance becomes ill or based on criteria you specify, Amazon EC2 Auto Scaling will automatically adjust the number of instances in the group to maintain a fixed number of instances.
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during rem sleep, there a. are occasional bursts of emg activity from the cortex. b. are occasional bursts of delta activity. c. is a general increase in muscle tension in the muscles of the body core. d. is little emg activity in the muscles of the body core. e. is hyperactivation of the musculature.
A little EMG activity in the muscles of the body core is happened during REM sleep. REM sleep is stand for Rapid Eye Movement.
Rapid eye movement sleep or also known as REM sleep can be described as phase that is unique of sleep in mammals and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone across the body, and the propensity of the sleeper to dream quickly. REM sleep occurs during an hour to an hour and a half after falling asleep. REM sleep happens if you tend to have rapid dreams. As its time in REM across the night, it can make your brain become fresh. REM sleep is crucial, and can makes a healthy sleep routine with sufficient numbers of REM sleep is essential to feeling mentally and emotionally well, and to showing at your best during your waking life.
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true or false: within a database, it is important to assign the correct data type to each field; for most fields, you can change the data type after data has been entered.
Answer:
True
Explanation:
you connected a new printer, and windows detected it and installed a generic print driver for the manufacturer and series. that means you don't need to bother with the packaged driver disc. true or false?
Answer:
False
Explanation:
A customer states that when she removes the printed pages from her laser printer output tray, the black ink smears all over her fingers.
Which of the following is the most likely problem?
Fuser unit
If the black ink from the laser printer output tray spills all over your fingertips, the fuser unit is most likely to blame.
What is a printer?
A printer is a computer component that creates a lasting representation of text or graphics, typically on paper. Although the majority of output is readable by humans, bar - coded printer are an instance of a printer's wider application. 3D printers, inkjet printer, laser printers, and thermal printers are a few of the several types of printers. A computer's hardware includes items like printers. It allows the user to print letters and images on paper. Usually, a computer controls a printer to print. Several can be used to print from a digital camera or as a photocopier.
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a research team runs an experiment to determine if a new security system is more effective than the previous version. what type of results are required for the experiment to be statistically significant?
A research team runs an experiment to determine if a new security system is more effective than the previous version. The type of results are required for the experiment to be statistically significant are results that are real and not caused by random chance.
About The result of researchThe results of the research are a review of the validity of the research results. Discussion of research results can be explained as the original thoughts of researchers to provide explanations and interpretations of research results that have been analyzed in order to answer questions in their research.
So, the discussion of research results is a discussion of the findings obtained. Discussion of research results is the interpretation of research results related to hypotheses.
This section contains the researcher's objective description of the research results, including: research findings, explanations and interpretations of the data and relationships obtained, as well as making generalizations from the findings. If there is a hypothesis, this section also explains the process of testing the hypothesis and its results.
Research results must be presented clearly and systematically so that they are easy to read and understand. The results of testing (analysis) in a study that is not discussed shows that the researcher does not have a story context from the results of his research.
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