Two possible causes for a corporate web server being inaccessible by its domain name but accessible by its IP address are DNS issues and web server configuration errors.
If a user reports that the corporate web server cannot be accessed but confirms that the web server can be accessed by its IP address, two possible causes of the problem are as follows:
A DNS Issue: The domain name system (DNS) may not be correctly translating the website's hostname into its IP address, which is necessary for browsers to locate the server on the Internet.A Web Server Configuration Error: The server hosting the website might be misconfigured to not recognize or respond to requests for the hostname in question, while still responding to direct IP address requests.Both scenarios would prevent users from accessing the website through its domain name, despite the server itself being operational and accessible directly via its IP address.
Fill in the missing step in the following deadlock situation. Two users from the local board of education are each running a program (P1 and P2), and both programs will eventually need two DVD drives to copy files from one disc to another. Only two DVD-R drives are available and they’re allocated on an "as requested" basis. Soon the following sequence transpires:______.1. P1 requests tape drive 1 and gets it.2. P1 requests tape drive 2 but it is blocked.3. P2 requests tape drive 1 but it is blocked. A. Pl requests drive 2. B. P2 requests drive 2 and gets it. C. P2 requests drive I but is blocked. D. Pl releases drive 1.
Answer:
b. P2 requests drive 2 and gets it.
Explanation:
Two users from the local board of education are each running a program (P1 and P2), and both programs will eventually need two DVD drives to copy files from one disc to another. Only two DVD-R drives are available and they’re allocated on an "as requested" basis. Soon the following sequence transpires: P2 requests drive 2 and gets it.
A user is connected to his personal mobile hotspot device at a library for internet access. He notices the display shows two connections, instead of just one. Which of the following actions will prevent only unauthorized access to the device immediately?
Answer:
The description of the following question is given in the explanation section below.
Explanation:
Unsanctioned accessibility, commonly referred to it as piracy, identifies a fraudulent activity through which an individual intentionally uses computers to obtain data access in a network without authorization to access the information.
The accompanying acts should prohibit even instantaneous inappropriate computer access as mentioned below :
Modify or adjust the description of the SSID broadcast. Attach the restricted list of permission to the interfering computer device.You have set up an FTP server in Ubuntu Server. Jason, a user, calls to say he gets an error when trying to put a file in his /home/jason/files directory. You look at the directory structure and see that you forgot to give the user ownership of the directory. Which command can fix the problem?
Answer:
"sudo chmod 777 /home/jason/files" or "sudo chown jason:jason /home/jason/files " is a commend which fix the error.
Explanation:
The above questions put a scenario when the user wants to set the owner's permission for any user. It is because when he will not set the owner's permission for any folder, then that folder is accessible to set the server for any Linux environment system.The above question also states about the above problem, so there is a needs to operate the above command to solve the error.Final answer:
To give Jason ownership of the /home/jason/files directory, use the command 'sudo chown jason:jason /home/jason/files'. The 'chown' command changes the user and group ownership of a file or directory to the specified user, in this case, Jason.
Explanation:
To solve the issue of the user Jason not having ownership of the /home/jason/files directory, you would use the chown command. This command changes the user ownership of a file or directory. As you have noticed the permission issue, you would execute the following command to give Jason ownership:
sudo chown jason:jason /home/jason/files
This command uses sudo to run the command with superuser privileges, which is usually necessary for changing file ownership outside of your own files. The chown command is then followed by the user and group name 'jason:jason', where the first 'jason' is the username and the second is the group name, indicating that the user and the group ownership are to be set to Jason. The last part is the path to the directory /home/jason/files. Make sure you have the correct permissions to perform this action, otherwise, the command will not be executed.
teve wants to use Google Display Ads to reach new customers who are looking to purchase products similar to his. Which audience type should Steve try to reach to meet his marketing goal?
Answer:
In-Market audiences.
Explanation:
Steve intends for using Google display advertising to achieve new clients seeking to acquire identical items to himself. Form of in-market audience should Steve try to achieve his marketing objective.
In-market audiences seem to be a method of connecting with customers who regularly study or compare goods and facilities through Google Display Platform publishers and affiliate websites
Which statement is true about conservation versus preservation? Conservation favors hunters. Conservation does not allow natural resources to be used. Preservation favors hunters. Preservation allows natural resources to be used.
Answer:
Preservation allows natural resources to be used.
Explanation:
Conservation means the prevention of wasteful use of some resources, and preservation means the act of preserving something. And that confirms all options mentioned are wrong except the option that states that preservation allows natural resources to be used. And hence, this is the right option for this question. We can certainly use natural resources through preservation.
Conservation favors hunter is a true statement about conservation vs preservation.
In recent years, caring for the environment has become relevant around the world, so environmentalists and governments propose the conservation and preservation of the environment in general.
However, it is pertinent to clarify the difference between these two concepts.
Conserve means taking advantage of nature in different ways and maintaining it from time to time, an example of this is hunting seasons, in which at some times the hunting of animals is allowed and at other times it is radically suspended.Preserve refers to the constant maintenance of nature without significantly altering it. That is to say, it cannot be intervened, an example of this is the area's declared protected.According to the above, the correct answer is A. Conservation favors hunters because conservation allows human intervention as long as it is "repaired" later.
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A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter or a pair of distinct letters written in alphabetical order. What is the least number of letters that can be used if there are 12 participants, and each participant is to receive a different code?
Answer:
5 Letters
Explanation:
So we need 12 distinct codes made of a single letter or a pair of letters.
What would be the least number of letters?
Lets try with 3 letters A, B and C
The possible combinations are: A, B, C, AB, AC, BC
These are 6 codes and we need 12 so lets try more A, B, C and D
The possible combinations are: A, B, C, D, AB, AC, AD, BC, BD, CD
These are 10 codes and we need 12 so lets try more A, B, C, D and E
The possible combinations are:
A, B, C, D, E, AB, AC, AD, AE, BC, BD, BE, CD, CE, DE
Finally we got 15 distinct codes which are more than 12 so the least number of letters needed are 5.
Using formula:
Four letters = 4C1 + 4C2 = 4 + 6 = 10
Five letters = 5C1 + 5C2 = 5 + 10 = 15
Write a complete program that declares an integer variable, reads a value from the keyboard into that variable, and writes to standard output the square of the variable's value.
Answer:
#include <iostream>
using namespace std;
int main ()
{
int num;
cin>>num;
cout << num<< " " << 2 num << " " << numnum;
return 0;
}
Explanation:
See answer
Cloudlink is a file hosting service that allows users to store up to 5GB of data with no restrictions orcharges. However, users have to pay a fee for advanced features on the cloud storage system andadditional storage space. Which of the following business models does this bestillustrate?subscription-basedfreemiumpay-as-you-gorazor-razor-blade
Answer:
Freemium.
Explanation:
Freemium is an amalgam of both the terms "free" and "premium" related to utilities, computer software or phone applications presented for customers free of cost although generally including fewer functions, ad network help or extra features which are accessible for such a premium fee.
So, Cloudlink seems to be a document hosting platform which often encourages customers to access up to 5GB of data without any limitations or fees. Thus, the following answer is best suited according to the above statement.
About ten percent of users do not close Windows properly. Suppose that Windows is installed in a public library that is used by random people in a random order. (a) On the average, how many users of this computer do not close Windows properly before someone does close it properly? (
Answer:
Let X be the number of users that do not close Windows properly before someone does including that
person. Then X has a geometric distribution with a success rate of p = 0.9. The expected value of
X is given as 1/p = 1.1111. Define a random variable Y to be the number of users that do not close
windows properly before someone does, not including the final person who closes windows properly. If
X = 1, then Y = 0; if X = 2, then Y = 1; if X = 3, then Y = 2, etc. In general, if X = k, then
Y = k − 1, so we can write Y as a function of X: Y = X − 1. Therefore, E[Y ] = E[X] − 1 = .11111.
The random variable Y has a modified geometric distribution with p = .9.
Explanation:
Josephine is in the process of creating ads within her Standard Display campaign. She finds that there are two main ad formats that she can leverage. What are the two main ad formats used in a Standard Display campaign?A. Text ads.B. Responsive Display ads.C. Call-only ads.D. In-stream video ads.E. Uploaded ads (Image & AMPHTML).
Answer: B and E
Responsive display ads and uploaded image ads
Explanation:
A responsive display ad is an advert that can automatically adjust its size and format to suits any available ad space. Responsive display ads are the default ad type for the Google Display Network.
While the uploaded image ads AMPHTML (Accelerated Mobile Pages) is just perfect for mobile devices as it loads faster than other type of ads.
Write a program the prompts the user to enter a length in feet and inches and outputs the equivalent length in centimeters.If the user enters a negative number or a nondigit number, throw and handle an appropriate exception and prompt the user to enter another set of numbers.
Answer:
The solution is written in Java.
public class Main { public static void main(String[] args) { double CM_PER_INCH = 2.54; double CM_PER_FOOT = 30.48; double feet = 0; double inches = 0; double centimeter; Scanner input = new Scanner(System.in); try{ System.out.print("Please enter feet: "); String input_feet = input.nextLine(); feet = Double.parseDouble(input_feet); System.out.print("Please enter inch: "); String input_inches = input.nextLine(); inches = Double.parseDouble(input_inches); if(feet >= 0 && inches >=0){ centimeter = feet * CM_PER_FOOT + inches * CM_PER_INCH; System.out.println("The total centimeter is " + centimeter); }else{ throw new IllegalArgumentException(); } } catch(NumberFormatException ex){ System.out.println("The input must be digit."); System.out.println("Please re-enter input."); } catch(IllegalArgumentException e){ System.out.println("The input must be positive number."); System.out.println("Please re-enter input."); } } }Explanation:
There are two types of errors required to captured: Negative value error and non-digit error.
Hence, we can define two error handling blocks as in (Line 25-28 and Line 29 - 32) to handle those two errors, respectively.
To check for non-digit error, we can use parseDouble method (Line 13 & 16). If the input is not a digit, the exception, NumberFormatException will be raised. If the input is negative value, IllegalArgumentException will be raised.
If everything goes smooth, the program will calculate the centimeter and display it to terminal (Line 19-20).
The __________ is used primarily with computers that have an Intel-based processor. It requires OS X v10.4 or later. Intel-based Macintosh machines can boot only from drives that use this.
Answer:
GUID Partition Table
Explanation:
GUID Partition Table -
In the physical storage device of the computer like hard disk drive , it refers to as the standard layout of the partition table , is referred to as GUID Partition Table .
It is also known as globally unique identifiers (GUIDs) .
Hence , from the given scenario of the question ,
The correct answer is GUID Partition Table .
Which of the following differentiates grid computing from cloud computing? Grid computing is a natural evolution of the widespread adoption of virtualization and utility computing. Grid computing uses a large number of computers. Grid computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources. Grid computing involves over-the-Internet provision of dynamically scalable and often virtualized resources. Grid computing is applied to a single large problem.
Answer:
Grid computing is applied to a single large problem.
Explanation:
In grid computing, resources are used in collaborative pattern and also in grid computing, the users do not pay for use.
In cloud computing, resources are used in centralized pattern. While in grid computing, resources are used in collaborative pattern usually to solve a single large problem.
Cheers
All of the following statements are true about natural outbound links, except A. search engines consider links to a site an endorsement of that site B. search engines favor natural or organic outbound links that are relevant and fit naturally within a website’s content C. search engines infer that when a webmaster creates an external link to another website that he/she believes it has valuable content D. links with the html attribute "nofollow" are seen as positive endorsements of a website
All of the following statements are true about natural outbound links, except C. search engines infer that when a webmaster creates an external link to another website that he/she believes it has valuable content
Explanation:
External links tend to be more valuable than internal links. Search engines look at external links like a vote in favor of a site. That external vote from another site is something that search engines are going to take far more seriously than an internal link. They're going to value it much more highly in terms of the editorial value.Backlinks, or inbound links, are a form of off-page SEO where you earn links from other websites that direct readers to your own site. The person receiving the link is one the who refers to a link as a backlink. The right backlinks can do two great things for your website: They can drive traffic to your website.Inbound links are defined as links from other sites that point to your site. They are also known as backlinks, simply because they refer back to your site. For a link to be considered a backlink by search engines, it must be clickable.Air circulation is caused by ... A Earth's rotation around the sun B winds that move vertically C moving air between hot and cold temperatures D Earth's tilt on its axis
Answer:
C
Explanation:
Hot air is less dense so it move up
And cooler air goes down ....causes a circular movement.
The following HTML form passes a value to sleepy-time.php with the name sleepHours. Which PHP statement would correctly receive this value and assign it to a PHP variable named $sleepHours?
How many hours do you sleep each night:
Answer:
$sleepHours = $_POST['sleepHours'];
Explanation:
The following HTML form passes a value to sleepyTime.php with the name sleepHours. Which PHP statement would correctly receive this value and assign it to a PHP variable named $sleepHours?
<form action = "sleepyTime.php" method = "post">
<p>How many hours do you sleep each night:
<input type = "text" size = "20" name = "sleepHours">
</p>
<input type = "submit" value = "Can I sleep now?">
</form>
In PHP, the $_POST statement is a superglobal variable that is used to collect values from HTML forms. It is this $sleepHours = $_POST['sleepHours']; statement that will correctly receive the value and assign it to a PHP variable named $sleepHours.
With respect to computer networks, organizations often install a dedicated telephone system called a ________ to route external phone calls or connect internal telephone extensions.
Answer: Private branch exchange
A device can transport objects instantaneously anywhere in the world without damaging them. Is it a creative invention? Yes, because it is original, useful, and surprising. Yes, because it would help people in remote areas access food and supplies. No, because it is not surprising. No, because it is not original. No, because it is not useful.
Answer:
Yes, because it is original, useful, and surprising.
Explanation:
A device that can transport objects instantaneously anywhere in the world without damaging them is a creative invention. It is original, useful and surprising. Inventions are made to solve a particular problem or make a task easier than it used to be. Technology has really helped in making long intercontinental journeys easier than ever.
Item 19 A student pushes a box across a rough horizontal floor. If the amount of work done by the student on the box is 100 J and the amount of energy dissipated by friction is 40 J, what is the change in kinetic energy of the box
Answer:
60 J
Explanation:
Given,
Work done to push the box = 100 J
Energy dissipated by friction = 40 J.
According to work energy theorem work done is equal to change in kinetic energy.
Change in Kinetic energy = Work done by student + Work done by friction
Change in Kinetic energy = 100 J - 40 J
Work done by the friction will be negative because it will act in opposite direction of force applied.
Change in Kinetic energy = 60 J
Anna has designed an iOS app for a large shopping mall. She creates a location facility that includes a map of the actual mall. Shoppers can double tap on any part of the map to get a popover that lists the names of goods selling in that area. Which pattern of interaction design is Anna using?
Anna's iOS app for the mall uses an event-driven interaction design pattern that leverages dynamic maps to provide shoppers with information about goods available in different mall areas they interact with. This design provides a structured navigation experience, making use of modern GPS functionalities.
Anna is using an interaction design pattern in her iOS app for a large shopping mall. Specifically, when shoppers double-tap on any part of the integrated mall map, they receive a popover that lists items for sale in that area. This design pattern is known as event-driven responses, where the system reacts to user actions, and in this case, provides useful information based on the location within the app. This pattern enables a useful organization by focusing on the importance of location and is an example of how dynamic maps facilitate user interaction by allowing the customization of visible information.
The design leverages modern GPS functionality to provide location-sharing capabilities, enhancing the shopping experience by helping users navigate the physical space of the mall more effectively. Unlike static hardcopy maps, this dynamic map encourages user interaction, allowing users to change the scale, and visible area or even select specific features of the map, much like how spatial questions are answered with GIS overlaying pertinent information.
To complete a project, a user needs to have both Windows and Linux operating systems installed on his computer. This can be accomplished through __________.
Answer: PC Virtualization
Explanation: PC Virtualization simply means Running two or more operating system at the same time on a single hardware.
PC virtualization refers to running two or more operating systems through one physical PC.
PC virtualization can be achieved through
1) The multiple operating systems run side-by-side, with a separate piece of software called a hypervisor used to manage them.
2) One operating system runs the other operating systems within program windows.
PC Virtualization can be used to have both Windows and Linux operating systems installed on one computer from the question.
Many interpretations of Hamlet exist, from long to short, from serious to humorous, and each calls attention to different aspects of the work. Watch this one-minute video, which has a decidedly comic tone. Describe what elements of the play the video captures, as well as the ones it omits.
Answer:
This video presents only the most important points in the plot:
the appearance of Hamlet's father's ghost
Claudius's efforts to determine the cause of Hamlet's strange behavior
Hamlet's soliloquy
Hamlet's rudeness to Ophelia, which leaves her heart-broken
the staging of the play, after which Hamlet is certain of Claudius's guilt
the scene in which Hamlet loses an opportunity to kill Claudius
the scene in which Hamlet rebukes his mother and then accidentally kills Polonius
Claudius's plan to kill Hamlet, which he shares with Laertes
the scene in the graveyard, in which Hamlet holds Yorick's skull
the scuffle between Laertes and Hamlet when Ophelia is buried
the duel between Laertes and Hamlet, followed by Gertrude's death, Hamlet's killing of Claudius, and Hamlet's death
The quick succession of events in this video seems to suggest that the sequence of events in the play is rather unlikely.
The major themes of the play, such as appearance versus reality, moral corruption, the complexity of action, and the mystery of death are not evident in this adaptation. Other important aspects of the play that the video does not address are the question of Hamlet's madness, his internal conflict, and his inaction. The video ignores characterization in Hamlet and the treatment of philosophical ideas throughout the play.
PLATO answer
Explanation:
PLATO said so
Many people think of Hamlet as being philosophical. Relativism, existentialism, and skepticism are a some of the most prominent philosophical philosophies in Hamlet.
What are the interpretations of Hamlet exist?Hamlet uses the phrase “To be or not to be” to express his doubts about the meaning of life and whether it is desirable to continue living. He is considering ending his life since he is so depressed and frustrated with everything going on in the world.
Life and death are the central themes of the soliloquy: “To be or not to be” refers to “To live or not to live” (or “To live or to die”).
When Hamlet tells Rosencrantz, “There is nothing either good or bad, but thinking makes it so,” he is expressing a relativist viewpoint.
Therefore, Hamlet talks about how painful and miserable life is.
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14. When using the Allow/Prevent installation of devices that match any of these device IDs setting in the Device Installation Restrictions folder of a GPO, which setting must also be enabled in order to provide the intended results?
Answer/Explanation:
You must activate "Prevent installation of devices not described by other policy setting"
Cheers
For an activity with more than one immediate successor activity, its latest finish time is equal to the Group of answer choices largest latest finish time among its immediate successors. smallest latest finish time among its immediate successors. largest latest start time among its immediate successors. smallest latest start time among its immediate successors.
Final answer:
The latest finish time for an activity with more than one immediate successor in project management is the smallest latest finish time among its immediate successors to prevent project delays.
Explanation:
For an activity in project management with more than one immediate successor activity, the latest finish time (LFT) is a key factor in backward pass calculations of the Critical Path Method (CPM). The LFT is used to determine the latest possible point in time an activity can finish without delaying the project. In this context, the correct answer to the student's question is that the latest finish time of an activity with multiple immediate successor activities is equal to the smallest latest finish time among its immediate successors. This is because the activity must finish before the earliest of the latest finish times of its subsequent activities, to avoid delays.
Samantha plans to self-publish her book on her website. She had asked a friend to design the cover of her book but he backed out at the last moment. Samantha now needs to design it herself. Which of the following apps should she use to complete this project?
A. A presentation app to design graphics and a video editing app to insert snippets of videos
B. A word processor app to write the text that would appear on the cover page
C. A graphics app to design the cover page and place the desired text where needed
D. A spreadsheet app to create graphics and text, and the inbuilt grid to arrange it
Answer:
Option C is correct.
Explanation:
Samantha intends to have its new book published to her site. She initially approached her mate to layout her cover image of the book but at the last minute, he pulled away.
Finally, Samantha will layout it for self. Thus, she uses a graphics application to layout the cover image of the book and insert the necessary texts that were appropriate
Discuss the security of communications channels. Include definitions and explanations for the terms Secure Sockets Layer/Transport Layer Security (SSL/TLS), secure negotiated session, session key, and VPN.
Answer:
Definitions and explanations
Explanation:
ISO 27001 focuses on the mechanisms that an organization should adapt to ensure the correct and safe operation of the resources on which corporate information is manipulated.
There must be a correct configuration of the systems, it is important that the tasks and related areas in these topics have adequate segregation of duties.
Secure Sockets Layer (SSL): SSL is a standardized technology that allows you to encrypt data traffic between a web browser and a website (or between two web servers), thus protecting the connection.Transport Layer Security (TLS): TLS is an updated and more secure version of SSL.Session key: A session key is a single-use symmetric key that is used to encrypt all messages in a communication session.VPN (Virtual Private Network): It is a computer network technology that allows a secure extension of the local area network (LAN) over a public or uncontrolled network such as the Internet.______is a multimodal application software platform. the centrealized and shared database system ties the entire organization together, allowing information to be entered once and made available to all users.
Answer:
ERP.
Explanation:
Enterprise Resource Planning Is the software platform for bidirectional applications. The main objective of ERP it shared the database system and connects the enterprise as a whole so that data can be reached the once and made accessible to all users.
The main advantage of Enterprise Resource Planning is that Enterprise cycle parallelization or optimization it also the boost performance of the organization and saving the time.
In a ________ computing model, companies use their own infrastructure for essential computing tasks and adopt public cloud computing for less critical operations or additional processing during peak business periods. grid quantum hybrid cloud private cloud scalable
Answer: hybrid cloud
When federal courts are evaluating digital evidence from computer-generated records, what exception is applied to hearsay?'
Answer:
Business-records exception
Explanation:
The Business-records exception which is also known as the Business Entry Rule, this is an exception to the evidentiary rule (which rules out hearsay from a trial) that permits business records to be admitted if the appropriate foundation is laid to show the document is dependable and can be relied upon.
How should an administrator test the functionality of DNS operation on a domain controller, as well as troubleshoot issues with DNS forwarders, delegation, dynamic updates, and record registration?
Answer:
Using dcdiag /test:dns
Explanation:
Using dcdiag / test: dns, the admin can check certain performance of the following controller's DNS service and also troubleshooting concerns including DNS forwarders, relocation, dynamic notifications and authentication. So, the following answer is correct according to the given statement.