The coalesce function provides one way to substitute constant values for null values.
What is a coalesce function?Is a function that returns the first non-NULL value from a series of expressions. The expressions are evaluated in the order in which they are specified, and the result of the function is the first value that is not null. The result of the COALESCE function returns NULL only if all the arguments are null.
Data type determination of the resulting expression is different. ISNULL uses the data type of the first parameter, COALESCE follows the CASE expression rules and returns the data type of value with the highest precedence.
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Felicity wants to capture the attention of the regular subway commuters in her area through her print advertisement. she wants to use a stationary print medium that commuters can see from a distance. which print medium should felicity choose?
It can be print medium to be determined by the felicity should be Billboard. Therefore, option (D) stands correct.
What is billboard?Billboard exists an American music and entertainment magazine published weekly by Penske Media Corp. The magazine furnishes music charts, news, video, opinion, reviews, circumstances, and styles connected to the music industry.
Billboard exists a hoarding and huge outdoor advertisement board That can be visited by many people. To be seen by most automobiles and pedestrians, billboards stand frequently erected in busy areas like highways and urban areas.
Many companies publish their brands and products on the billboard for extending brand awareness and spreading the word about their company to as many individuals can know about the product.
According to the above scenario, Felicity can capture the awareness of the regular subway commuters in her area via billboard advertisement. From a distance, commuters can notice the advertisement.
Therefore, it can be print medium to be determined by the felicity should be Billboard. Therefore, option (D) stands correct.
The complete question is,
Felicity wants to capture the attention of the regular subway commuters in her area through her print advertisement. She wants to use a stationary print medium that commuters can see from a distance. Which print medium should Felicity choose?
(Correct answer only)
A. magazine
B. newspaper
C. flier
D. billboard
E. brochure
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What is the practice of tagging pavement with codes displaying where wi-fi access is available?
a. bad actor
b. actor war
c. chalking war
d. driving
The practice of tagging pavement with codes displaying where wi-fi access is available is generally known as: c. war chalking.
What is wi-fi?Wi-Fi can be defined as a wireless network technology that is designed and developed to avail end users and network devices such as computer systems, mobile devices, router and switches, to communicate with one another over the Internet or through an active network connection.
What is Wireless Equivalency Protocol (WEP)?Wireless Equivalency Protocol (WEP) can be defined as a standard wireless protocol that is designed and developed to provide a significant level of security and privacy on 802.11b wireless local area network (WLAN).
According to the IEEE Wireless Fidelity (Wi-Fi) standard, war chalking simply refers to a practice that typically involves tagging pavement with codes which displays where wi-fi access is available.
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Bob is making a short film for an international film festival. he wants to store audio, video, and subtitle files together in a single file. which file format should he use to store such a video?
MOV stands for the file format should he utilize to store such a video, As Bob is creating a short film for an international film festival. He desires to store audio, video, and subtitle files together in a single file. Hence, choice A is correct.
What is MOV?The brevity of a short film exists in what creates it and what it stands for. Although they range in length, purpose, and genre, they all desire to do the same things: save money corresponded to a feature film, increase professional attention, and practice telling shorter, more attentive stories before moving on to feature films.
A short film stands typically defined as a movie that is up to 50 minutes long, while there exists no set length need in Hollywood. That stated, the typical duration exists 20 minutes. A short movie may be computer-animated, or both.
MOV stands for a video format that was created by Apple. It's a MPEG 4 video container file that exists primarily utilized with Apple's QuickTime program. A MOV video can hold many various video formats and multimedia — audio, video, and text — in the same file on separate tracks.
MOV stands for the file format should he utilize to store such a video, As Bob is creating a short film for an international film festival. He desires to store audio, video, and subtitle files together in a single file. Hence, choice A is correct.
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A hacker is viewing information that passes along a network line for the purpose of gathering information. This is called?
In order to obtain information, a hacker is seeing data as it travels through a network line. This is called sniffing. The correct option is a.
What is sniffing?In terms of network security, a sniffing attack entails the theft or interception of data through the use of a packet sniffer to record network traffic.
A hacker is a person who attacks or stole pieces of information illegally. They catch the line system of the computer, and they hack software, money, or data.
Thus, the correct option is a. Sniffing.
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The question is incomplete. Your most probably complete question is given below:
a. Sniffing
b. Spoofing
c. Hijacking
d. Impersonation
Can traps be generated intentionally by a user program? if so, for what purpose?
Traps be generated intentionally by a user program and It is one that can be used in the act of call operating system routines or it is one that is used to catch arithmetic errors.
Can a user program cause a trap?A trap is known to be one that can be used to be able to make or one that is gotten if a user program create a definite service request via the use of the OS.
Note that Traps are known to be a kind of synchronous events as to the fact that the passing of the present instructions are said to be very likely leads to traps.
Hence, Traps be generated intentionally by a user program and It is one that can be used in the act of call operating system routines or it is one that is used to catch arithmetic errors.
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Cloud suites are stored at a(n) ________ on the internet, rather than on your microcomputer. group of answer choices blog site macrocomputer pod site server
Cloud suites are stored at a(n) server on the internet, rather than on your microcomputer.
What is server?The word server is known to be a kind of a network computer, computer program, or one can say that it is a kind of a device that is known to often helps to processes or work on requests from a client (such as client-server architecture).
Note that On the World Wide Web, for example, a Web server is known to be a kind of a computer that makes use of the HTTP protocol to be able to transmit or send Web pages to a client's computer if the client requests is said to be made to them.
Hence, Cloud suites are stored at a(n) server on the internet, rather than on your microcomputer.
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Answer:
sever
Explanation: i took the test and got it right!
What key technological breakthrough accompanied the transition to the print and electronic eras? why were these changes significant?
The printing press is the key technological breakthrough that accompanied the transition to the print and electronic eras and it was significant that helped to foster a feeling of nationalism and nourished an idea of individualism.
What was the printing press?It means the device that allows for the mass production of uniform printed matter mainly text in the form of books, pamphlets, newspapers etc.
In India, their independence from the British was fueled by the feeling of nationalism that was spread by the newspaper which was very cheap medium of communication.
Hence, this device was key technological breakthrough that accompanied the transition to the print and electronic eras and it was significant that helped to foster a feeling of nationalism and nourished an idea of individualism.
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You are using a device that reads the physical addresses contained in incoming data that travels along network cables. Based on the physical address that it reads, the device then forwards the data out one of its ports to reach the destination device. What type of device are you using
You are using a device that reads the physical addresses contained in incoming data that travels along network cables. Based on the physical address that it reads, the device then forwards the data out one of its ports to reach the destination device. The type of device you are using is router.
What is Router?A router is an hardware device that is used in transferring information or data from a system to another.
The data can also be transfered from one computer networks to another.
Router makes it easier for more than one device to be connected easily without difficult Internet access.
Therefore, The type of device you are using that reads incoming data that travels along network cables is router.
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If the cpu is fast but the bus speed is slow, that condition is called?
in which computer is invented
Computer was known to be invented by a man known as Charles Babbage and in the year (1822) but it was said to be built in 1991.
Check more about computer below.
What are the Name of the inventors and the inventions of early computer machines?The early computer machines are known to be mad up of a difference engine that was said to have been invented by Charles Babbage in the the year around mid-1800s.
Note that in 1890, a man known as Herman Hollerith was known to have made a punched card machine to be able to process census data.
Hence, Computer was known to be invented by a man known as Charles Babbage and in the year (1822) but it was said to be built in 1991.
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What are the steps required to teach a dog the care (aka wellness check) command?
The steps required to teach a dog the care (aka wellness check) command is given below
What are the steps required to teach a dog command?The ways to Teach Your Dog are:
Instruct the dog to sit. then teach your dog the command Make the dog aware of the treat.Do Give a reward. Increase the level of difficulty.Implement the care command. Remove the treat. Then Switch hands.What is Wellness check?In the United State, a wellness check is known to be a kind of an in-person visit that is often made in response to a request from a friend or family member who is known to be concerned about the person's state of mental health and in this case the dog.
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The __________________ family of amd processors has processors that run up to 3.2 ghz, have up to 6 cores, and use the am3 socket.
Answer:
anthlon or fx processors
A technician wants to replace a failing power supply on a high-end gaming computer. which form factor should the technician be looking for?
A technician need to use the form factor or the technician be looking for what we call EPS12V.
What is an EPS power connector?The EPS connector is known to be used to supply power to the motherboard CPU socket and the PCI is known to be one that functions to express connector.
Note that this is said to be a server standard (EPS12V) and it is also known to be one that can be said to be a desktop standard (ATX12V).
Note that the EPS12V is one that is known to always be seen in an 8-pin CPU connector and therefore, A technician need to use the form factor or the technician be looking for what we call EPS12V.
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Examples of mobile device synchronization methods for apple ios devices include:__________
Which ntfs feature allows an administrator to track how much data is used on the file system by a user and potentially apply storage limits?
The NTFS feature that allows an administrator to track how much data is used on the file system by a user and potentially apply storage limits is Disk quotas.
What is Disk Quotas used for?This refers to the feature in an NTFS system that allows to track how much data is used on the file system by a user and potentially apply storage limits.
Hence, we can see that based on the given question, the NTFS feature that allows an administrator to track how much data is used on the file system by a user and potentially apply storage limits is Disk quotas.
This helps to allocate space limits to each sector so that the data can be easily tracked and this is an important NTFS feature.
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Ben wants to implement a Redundant Array of Independent (RAID) array that combines both read and write performance while retaining data integrity if a drive fails. Cost is not a concern compared to speed and resilience. What RAID type should he use
Ben wants to implement a Redundant Array of Independent (RAID) array that combines both read and write performance while retaining data integrity if a drive fails. Cost is not a concern compared to speed and resilience. the Raid type is RAID 10. Option D.
This is further explained below.
What is a Redundant Array of Independent?Generally, RAID, which stands for "redundant arrays of independent disks," is a method of information storing that makes use of numerous hard disk drives in order to save data.
In conclusion, Combining the advantages and drawbacks of RAID 0 striping with those of RAID 1 mirroring, RAID 10 (1+0) is a hybrid solution. Striped disks with complete copies preserved through the mirror are the best solution for Ben's use case, where speed and robustness are critical and the cost is not. Even if their performance is lessening, RAID 5 and RAID 6 are more resilient in the event of a disk failure. Redundancy and read speeds are provided by RAID 1 but write speeds remain unchanged.
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CQ
Ben wants to implement a RAID array that combines both read and write performance while retaining data integrity if a drive fails. Cost is not a concern compared to speed and resilience. What RAID type should he use?
A. RAID 1
B. RAID 5
C. RAID 6
D. RAID 10
Traditional methods of collecting systems requirements include: a. rapid application development. b. prototyping. c. interviews. d. joint application design. e. agile methodologies.
Answer:
interviews
Explanation:
because the designer gets to directly interact with the customer who knows exactly what they want.
Why might contracting with multiple ISPs still fail to provide highly available Internet access infrastructure?
The act of contracting with multiple ISPs still fail to provide highly available Internet access infrastructure because it is still using the same level of ISPs.
What is multiple ISP?This is known to be a kind of a routers that gives room for a user or a person to be able to have an Internet connection sing or from two different kinds of ISPs.
Note that by so doing, if one is known to fails, a user can still have access to the other.
Note also that a person can be able to configure the first connection as the main one or the primary and the other is known to be used as a backup connection.
Therefore, The act of contracting with multiple ISPs still fail to provide highly available Internet access infrastructure because it is still using the same level or type of ISPs.
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Michael works for a graphic design firm. He is creating an informative poster. He needs to add a great deal of text in the poster. What tool will help him format the text?
Michael will use a ( blank)
tool to help format the text for creating an informative poster.
Michael will use a Adobe Photoshop or CorelDraw tool to help format the text for creating an informative poster.
What application is used for graphic design?They are:
Adobe Photoshop Illustrator, GIMPCorelDraw Canva and othersBased on the American Institute of Graphic Arts (AIGA), graphic design is known to be a term that is described as “the art and method of planning and bringing forth ideas and experiences along with the use of visual and textual content.”
Therefore, Michael will use a Adobe Photoshop or CorelDraw tool to help format the text for creating an informative poster.
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To dynamically change a reference line using parameter action, you first create a reference parameter. next, add a parameter action for it. Finally?
In order to dynamically change a reference line using parameter action, you first create a reference parameter. Next, add a parameter action for it. Finally, A. add a reference line whose value follows a reference parameter.
What is a function parameter?A function parameter can be defined as a special kind of variable which is used in a function to point to a data that is provided as an input (reference) into the function.
This ultimately implies that, a software program that is coded by a software developer or programmer to include a function parameter is generally capable of passing data to a function as an input, whenever it is called.
In this context, we can infer and logically deduce that software developer or programmer must first create a reference parameter and then add a parameter action for it in order to dynamically change a reference line by using parameter action.
Finally, the software developer or programmer should add a reference line with its value following a reference parameter.
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Complete Question:
To dynamically change a reference line using parameter action, you first create a reference parameter. Next, add a parameter action for it. Finally, _____.
a. add a reference line whose value follows a reference parameter.
b. add the sheet you want to control as the bottom-right element in the layout.
c. also add a URL action that points to the dashboard itself.
d. add a reference line with a per pane scope and a tooltip.
Describe server processing of a post request. in the case of cgi processing, how does the server pass information to a cgi program (request headers, body, url parameters, etc. )?
CGI is the part of the Web server that can communicate with other programs running on the server.
What is The Common Gateway Interface?
The Common Gateway Interface (CGI) provides middleware between WWW servers and external databases and information sources. The World Wide Web Consortium (W3C) defined the Common Gateway Interface (CGI) and also defined how a program interacts with an HTTP (Hyper Text Transfer Protocol) server.
The body of the message is sent to the CGI program by the server through the stanard input pipe. Using the value of content_length, which indicates the length of the body, the CGI program can parse the input and obtain the values of the data entered by the user.
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What uses techniques that create models indicating the best decision to make or course of action to take?
a. predictive analytics
b. descriptive analytics
c. prescriptive analytics
Prescriptive Analytics uses techniques that create models indicating the best decision to make or course of action to take.
What is Prescriptive Analytics?Prescriptive Analytics is an approach used to analyze and examine collected information by raising how to use these data at an advanced level.
This type of analytic approach (Prescriptive Analytics) may be very useful in different fields and applications such as, for example, in pharmaceutical settings in order to discover how a compound may alter a given signaling pathway.
In conclusion, Prescriptive Analytics uses techniques that create models indicating the best decision to make or course of action to take.
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If html is used to specify the content of the webpage, then what do you use css for?
If html is used to specify the content of the webpage, then CSS to to specify the appearance of content on a webpage.
What is the uses of CSS?
Cascading Style Sheets can be regarded as one that is been used in styling as well as in layout web pages .
When there is a need to perform some actions such as :
alter the font color size spacing of contentsplit it into multiple columnsThen CSS comes into play , hence, If html is used to specify the content of the webpage, then CSS to to specify the appearance of content on a webpage.
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What is the best to calculate units total treatment time for day, remembering the total treatment time constrains the number of units to be billed?
The best time to calculate units total treatment time for day, remembering the total treatment time constrains the number of units to be billed is;
Total treatment time for the day - total event or service-based units of the day= total time for time-based units.What is Time Constraint?The term time Constraint is known to be a word that connote or that defines some factors that hinders a projects in regards to time.
Note that this is made up of deadlines, workload management, and others such as resource allocation. a person that has worked on a project is one that needs to deal with some constraints when it came to project execution.
Hence, The best time to calculate units total treatment time for day, remembering the total treatment time constrains the number of units to be billed is;
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What is the difference between the as-is process model and the to-be process model?
AS-IS and TO-BE are phases of BPM (Business Process Management), which allow promoting the improvement of business processes. Therefore, there are two moments: the AS-IS and the TO-BE.
AS-IS is the view of an organization's current processes, which shows how a company performs its activities at a given time. It is common for the term AS-IS to be used synonymously for process analysis.
In AS-IS process analysis, processes are discovered and analyzed. It is time for exploration to create a common vision of the ruptures and deviations in the process.
AS-IS helps in discovering various types of business processes, whether they are primary processes, support processes or management processes.
TO-BE is the vision of an organization's future processes, which shows the best way to carry out the process. TO-BE is also called process design. Its objective is to propose improvements in the organizations' processes, based on what was verified in the AS-IS.
The design of TO-BE processes involves defining the workflow, roles and responsibilities, technologies required for the process, data sources and moments of integration with other processes. The great achievement of TO-BE is to promote real conditions of transformation in processes, improving the organization's competitiveness.
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If we are transferring data from a mobile device to a desktop and receive an error message that the mobile device has stopped communicating with the desktop, what is most likely the root cause?
The root cause of the error when transferring the data from mobile device to the computer is maybe the port on the system is either damaged or not seeing the device.
Which device is used to transfer data from one place to another?The device that is often used is known to be an External Hard Drives or the use of Media Devices for big Data Transfers.
Note that Copying data into an external hard drives, flash drives, or other kinds of storage devices is said to be another way that is often used in the transfer of data.
Moving specific files or backing up the full system from one computer to another is known to be very quick and easy.
Therefore, The root cause of the error when transferring the data from mobile device to the computer is maybe the port on the system is either damaged or not seeing the device.
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which things computer case contains
Inside the case are the components that make up the computer itself, such as the RAM memories, the processor and the hard disk, all of which are directly or indirectly connected to the motherboard. In addition, the case allocates the power suplly, which is responsible for supplying power to the computer.
What is a computer case?The case is the hardware component used to house most parts of a computer. It is inside it that components such as CPU, motherboard, SSD, video card and power supply are placed.
In addition, it is where the outputs for connections to other equipment are found, such as USB and HDMI outputs, plug for sound box and microphone and input for memory card.
The case has the important function of protecting the internal components of a computer from knocks, heat, light, moisture and dust. That's because most of the electronic components inside a computer are very sensitive and need this protection.
It is also used to connect to other hardware components, such as a monitor, keyboard, mouse and headset, through the various outputs provided on its exterior.
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Your computer seems to be running slowly. In particular, you notice that the hard drive activity light remains lit when you run multiple applications and switch between open windows. This happens even though you aren't saving large files. What should you do to troubleshoot the problem
If your computer seems to be running slowly, the things that a person should you do to troubleshoot the problem is that one should use the Task manager as it can display CPU utilization graphs in regards to eight processors.
What troubleshooting meaning?Troubleshooting is known to be a term that is seen as a form of a systematic approach to problem-solving.
Note that it is one where or which is said to be used to find and alter or correct issues that are in regards to complex machines, electronics, computers and also that of software systems.
Hence, If your computer seems to be running slowly, the things that a person should you do to troubleshoot the problem is that one should use the Task manager as it can display CPU utilization graphs in regards to eight processors.
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Can you think of a situation that might create a problem for a website’s security? What could a back-end developer do to prevent this situation from occurring?
A situation that might create a problem for a website’s security is known o be as a result of Outside people having access to a companies website and documents and also hackers hacking into a company database.
Others are;
Lack of authentication in company security. Access control-linked misconfigurations.A Software misconfigurations.What could a back-end developer do to prevent this situation from occurring?Always Encrypt sensitive data: Do not use weak encryption algorithm.The back end in cyber security is know to be a sort of a kind of a repository of all that entails your web presence and also that of your mobile apps and it is one that makes it to run smoothly.
Hence, A situation that might create a problem for a website’s security is known o be as a result of Outside people having access to a companies website and documents and also hackers hacking into a company database.
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This is an error identified by the compiler.
a. syntax error
b. logic error
c. debugging error
d. black box testing error
Explanation:
When developing programs there are three types of error that can occur: syntax errors. logic errors. runtime errors.
