You have users who need to do some programming projects in the ruby programming language

Answers

Answer 1
The answer is dnf list ruby.  You have users who need to do some programming projects in the ruby programming language.  The DNF command used to find out if there is a ruby package available to install on the Linux server is dnf list ruby.  

Related Questions

What piece of test equipment enables you to locate a break in a fiber-optic cable?

Answers

The answer is Optical Time Domain Reflectometer (OTDR).  The test equipment that enables you to locate a break in a fiber-optic cable is Optical Time Domain Reflectometer (OTDR).   It detects the location of a fault in a fiber cable by sending light down the fiber-optic cable and measuring the time required for the light to bounce back from the cable fault. The OTDR can then calculate the location of the fault.

When changing lanes on an expressway signal your intentions and?

Answers

When changing lanes, signal your intentions and ensure you check mirrors and blind spots for safety. Traffic engineers design yellow light timing to minimize the 'no-win' zone at intersections to enhance safety.

When changing lanes on an expressway, a driver should signal their intentions and check their mirrors as well as their blind spots before proceeding to change lanes. It is important to ensure that the lane is clear and it is safe to make the lane change. It's about being aware of your surroundings, including the speed and proximity of other cars. Vehicles often travel at high speed and may not always adhere to the posted speed limit, making it essential to be cautious.

Traffic signals and road signs are designed to regulate the flow of traffic and ensure safety, so adherence to these signals, including yellow lights at intersections, is crucial. Yellow lights serve as a warning that the light is about to turn red, signaling drivers to slow down and prepare to stop. However, drivers in a 'no-win' zone might find themselves in a difficult position where stopping safely or speeding up to cross before the red light poses a risk.

What name is indicated in the backup and restore windows?

Answers

System restore on windows 7,8,10

Which of the following is a disadvantage of using solar energy? A.It reduces greenhouse gas emissions. B.It requires a high initial investment. C.It is a renewable resource. D.It is abundantly available.

Answers

The answer is B. The need to have higher cost in the investment.

4. How do social media sites illustrate kindness?

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Social media can illustrate kindness by making friends that are kind to you, by keeping long distance relationships, and raising appreciation at different kinds of events.
Hope this helps!

Which key is pressed to go to the last slide in a slide show?

Answers

Answer:

The End key is used to jump to last slide in a slide show.

Explanation:

In the slide show to go to the last slide from the present slide we have to press the end key.

The End key is a key present on a computer keyboard that is used to move the cursor to the end of the line, document, page, cell, slide or screen.

Below are links to keyboard shortcut keys that use the End key.

•  Alt + End

•  Ctrl + End

What is a commonly publicized password sql injection string?

Answers

The strings "or 1=1" and ""or ''=''"  can be commonly used to trick an SQL WHERE clause into becoming true.

So if you specify ' or ''=' as a password, you can log in if the query string would be:

select username,pass from users where username='you' and password='' or ''='' limit 0,1;

SQL injection vulnerabilities allow attackers to manipulate SQL queries by injecting malicious input. A commonly used SQL injection string is ' OR '1'='1, which can bypass authentication checks.

Commonly Publicized Password SQL Injection String

A SQL injection vulnerability occurs when a web application accepts untrusted input without validating it. This type of attack targets SQL databases by injecting malicious commands. One of the most commonly publicized SQL injection strings that attackers use for password fields is: ' OR '1'='1. This string can manipulate the SQL query to bypass authentication checks.

For instance, if a login form has a SQL query like: SELECT * FROM users WHERE username = 'input_username' AND password = 'input_password';, inserting ' OR '1'='1 as the password can change the query to: SELECT * FROM users WHERE username = 'input_username' AND password = '' OR '1'='1';. Since '1'='1' is always true, this allows the attacker to bypass the password check.

Preventing SQL Injection

Validate and sanitize all user inputs to filter out malicious data.Use parameterized queries or prepared statements, which prevent attackers from altering the SQL query structure.Employ hashing and salting techniques to protect stored user credentials.Implement robust error handling to avoid leaking information through error messages.

A(n) ____ is a logical grouping of several data files that store data with similar characteristics.

Answers

A file group is a logical grouping of several data files that store data with similar characteristics.

Case 7-2gabrielle is the network administrator at a medium-sized company. one of her responsibilities is to purchase network devices to maintain the company network. gabrielle realizes that to improve network performance, she needs to buy and install a ____, which identifies the device on the network for which the data is intended and sends the data to that device only.

Answers

She buys and installs a switch. Switch is the answer

Case 7-2gabrielle is the network administrator at a medium-sized company. one of her responsibilities is to purchase network devices to maintain the company network. gabrielle realizes that to improve network performance, she needs to buy and install a switch

what is network ?

A network can be defined as a group of computers which share the resources like software, hardware and other computing resources operating system, database, and others.

computers are connected to each other through a communication channel inside a network, they share resources with each other.

Both the computers and the resources are connected to the network through network bus, so when the computer transmits data,  it is transmitted in the form of data groups called data packets.

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The logical view of data focuses on meanings and content of the data. true or false
a. True
b. False

Answers

True. The local view of data focuses on content and meanings of data.

The correct answer is true.

Hope this helps! ;)


Which high-speed storage network protocols used by a san is ip-based?

Answers

iSCSI is the high speed storage network protocols that is used by a san is IP-based.

What is the maximum value for any octet in an ipv4 ip address?

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They're bytes consisting of 8 bits, so the max value is 2^8-1 = 255

Should i turn off my computer when a program becomes unresponsive?

Answers

I'm not sure why you would need to. An unresponsive program should not effect the integrity of the system to require a reboot.

If an unresponsive program is being particular persistent and won't exit, CTRL + ALT + DEL then Task Manager, and clicking on the program in the "Processes" tab and clicking "End Task" is a reliable way to get rid of it.

explain why computers process data in binary format

Answers

So it'll be simpler to process. They use "On" (1) and "Off" (0) to convey everything from webpages to Videogames; Like in symbols / characters on a computer they use binary through ascii numbers such as A which is 00000001 or ? which is 00111111. this basically allows for computers to communicate in a simpler way in just using On/Off or 1's and 0's. I hope I helped you, but if I was wrong I'm sorry its been a while since Ive had to explain binary :)

A combination of software and data made up of the physical database, the database engine, and the database schema is

Answers

Data management system is the combination of software and data which are made of physical database.

A cracked tone (reluctor) ring will often cause what type of problem

Answers

Final answer:

A cracked tone ring in a vehicle's differential can cause problems with the ABS system, specifically with the wheel speed sensors.

Explanation:

A cracked tone (reluctor) ring in a vehicle's differential can cause problems with the ABS system, specifically with the wheel speed sensors.

The tone ring is a toothed wheel located on the axle shaft, adjacent to the ABS sensor. When the ring rotates, it creates a magnetic field that the sensor uses to detect the wheel's speed.

If the tone ring is cracked or damaged, it may create an inconsistent or weak magnetic field, leading to inaccurate wheel speed readings. This can cause the ABS system to malfunction, resulting in increased stopping distances, poor brake performance, or triggering the ABS warning light on the dashboard.

What information is not typically included in an e-mail header?​?

Answers

The answer is the sender's physical location.  The information that is not typically included in an e-mail header is the sender's physical location.  The email header contains only  the sender and receiver e-mail addresses,  Enhanced Simple Mail Transport Protocol (ESMTP) or reference number and the e-mail servers the message traveled through to reach its destination.  

What is the last step when supervising detainee operations ssd1?

Answers

The last step is to Disarm and Secure detainees. Ensuring silence is also a last step when supervising detainee operations. Ensuring silence will increase the chance of capturing the target and make the operation successful. Also, counting is a final step of supervising detainees. This ensures the detainees are not missing and none has escaped





A worker has submitted a complaint online that is non-serious in nature. How will OSHA most likely respond?

Answers

Answer:

Reach the owner of complaint by telephone, fax, or email.

Explanation:

The Occupational Safety and Health provides workers and their diplomats the power to register an accusation and request an OSHA inquiry of their workplace if they understand there is a severe risk or their employer is not supporting OSHA criteria. Workers do not own to know whether a particular OSHA standard has been disrupted in command to file an objection. The accusation should be registered as soon as possible after remarking the risk or absence of acquiescence because OSHA citations may only be assigned for devastation that currently exist or existed in the preceding 6 months.

Conventional fossil fuels are harmful to the environment. Alternative solutions include using nuclear energy or solar energy. A decision to opt for solar power over nuclear energy might be based on which of these facts?


A) Nuclear energy is highly unreliable and difficult to store.

B) Solar power plants can be easily set up over small tracts of land.

Eliminate

C) Wastes from nuclear power plants are harmful and difficult to manage.

D) Solar energy is independent of season and can be easily trapped and stored.

Answers

I’d go for (C): Wastes from nuclear power plants are harmful and difficult to manage.


When nuclear reactors ‘safety systems are not properly installed and maintained, a nuclear reactor could emit harmful amounts of radiation into the environment. The leak of radiation end result could be catastrophic especially if a containment field were to suddenly rapture. The main disadvantage of this is the difficulty to manage the nuclear waste and might take years to eliminate its radioactivity.






Answer:

Wastes from nuclear power plants are harmful and difficult to manage.

Explanation:

Wastes from nuclear power plants are harmful and difficult to manage. Radioactive wastes, if not managed properly, release high amount of radiation in the environment and are potentially harmful to all life forms.

Sql is an example of a ________ category programming language. 4gl 3gl 5gl 2gl

Answers

The answer is Fourth-generation language (4GL).  Sql is an example of a 4GL category programming language.  SQL is considered a Fourth-generation language (4GL), whereas Java and C++ are third-generation languages (3GLs). Fourth-generation languages are programming  languages that are closer to human language than the high-level languages  like Java.

Any parameter that receives a value and also sends a value outside the function must be declared as a reference parameter.
a. True
b. False

Answers

It is true. The parameter that acquire the value and send a value outside function should be declared a reference parameter.

A commodity is a complex product, and suppliers of these products provide very different types of vacations. True or False?

Answers

The answer is False.  Experience is a complex product, and suppliers of these products provide very different types of vacations not Commodity. 

Answer: false

Explanation:

Data ____ identifies the quality of data in a database.

Answers

Data integrity identifies the data quality in the database.

Alphonse has prepared a presentation to teach defensive driving techniques to his fleet managers. He has used a number of special effects in his presentation. Special effects should be used in presentations for the purpose of _____. focusing audience attention improving effectiveness increasing audience attention making boring presentations interesting providing visual cues showing off the presenters' skills

Answers

Several answers can apply in this question but the best answer should be: providing visual cues 

Although not really classified as special effects, combining effects in PowerPoint helps create interesting visuals. You can use visual aids in your presentation to achieve the best impact. It is worth noting that overuse of these effects can have a negative effect on your audience.

Answer:

Ight Providing visual cues

improving effectiveness

increasing audience attention

making a boring presentations interesting again

Hope this helps :)

Explanation:

The length of the dhcp address lease can be found by using the _____ command.

Answers

On windows, you find it using the ipconfig/all command.

Which army regulation would be referenced if you want to properly mark removable ais storage media?

Answers

To protect and mark classified and/or sensitive information stored on AIS media is contained in AR 380-19 Information Systems ecurity.  Equipment will be protected as follows:(1) AIS that have nonremovable media upon which classified files reside must be stored in an area or container approved for safekeeping of classified information per AR 380-5.(2) AIS that do not have classified files on nonremovable media should be in a locked office or building during nonduty hours, or otherwise secured to prevent loss or damage. Users will log off the computer when they leave the area.  

Please select the word from the list that best fits the definition
"Candy bars taste good."

A) . TOO BROAD
B) . JUST RIGHT
C) . TOO NARROW

Answers

This sentence is too broad.

I hoped this helped!

The word from the list that best fits the definition "Candy bars taste good" is too broad. Thus, the correct option for this question is A.

What is the significance of definition?

The significance of the definition is determined by the fact it briefly describes its meaning along with its characteristics. It effectively reveals the importance or meaning of something in a very precise manner.

According to the context of this question, a specific word from the list that best fits the definition of candy bars taste good is too broad. It reveals the complete scenario of the definition in a concise way. Too broad illustrates some Extention to the thing.

Therefore, the word from the list that best fits the definition "Candy bars taste good" is too broad. Thus, the correct option for this question is A.

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Which of these scenarios depicts unethical workplace practice by an employee?

A. monitoring employee movement during working hours
B. monitoring use of workplace resources
C. restricting Internet use
D. revealing confidential data

Answers

Answer:

D. Revealing confidential data.

Explanation:

Confidentiality refers to protecting information from being accessed by unauthorized parties. In other words, only the people who are authorized to do so can gain access to sensitive data. Imagine your bank records.

When confidential data is revealed it is very unethical at workplace.

Answer:

D. revealing confidential data.

Explanation:

Revealing confidential information is an extremely unethical workplace practice by an employee. Engaging in this type of behaviour is not only frowned upon, but can potentially be illegal. The reason for this is that employees are given a certain level of trust when they work at a company. Revealing confidential information violates this trust, and can risk the company's future.

When using color in a computer - generated presentation aids you should use?

Answers

the answer is: the same background color on all visuals and no more than two colors for words.
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