The Reliable Data Transfer (RDT) 2.0 protocol operates on a bit error channel for reliable data transfer.
Thus, It is a more accurate model for determining whether bit errors are present in a channel during transfer; it is possible that the packet's bits are corrupted.
Such bit mistakes happen during packet transmission, propagation, or buffering in a network's physical components. We shall assume in this that all transmitted packets are received in the same order that they were sent, regardless of whether they are corrupted.
In this case, we ask the user to send either an ACK or a NAK (negative acknowledgement, indicating that the packet received is corrupted). the protocol.
Thus, The Reliable Data Transfer (RDT) 2.0 protocol operates on a bit error channel for reliable data transfer.
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How does processing unit get data to/from memory?
The processing unit, also known as the Central Processing Unit (CPU), gets data to and from memory through a series of steps:
1. Fetching
2. Decoding
3. Executing
4. Storing
Step 1: Fetching
The processing unit fetches data from memory by sending a request to the memory controller. This request contains the memory address where the data is stored. The memory controller then retrieves the data from the specified address in memory.
Step 2: Decoding
Once the data is fetched, the processing unit decodes the data to determine what operation it needs to perform. This decoding process is crucial in understanding the instructions that are stored within the data.
Step 3: Executing
After decoding, the processing unit executes the operation specified by the instructions in the data. This is the main "processing" part of the CPU, where the actual computation or manipulation of data takes place.
Step 4: Storing
Once the processing unit has executed the operation, it may need to store the result back in memory. To do this, the CPU sends a request to the memory controller, along with the memory address where the result should be stored, and the data to be written. The memory controller then writes the data to the specified address in memory.
In summary, the processing unit gets data to and from memory through a series of steps: fetching, decoding, executing, and storing. This process allows the CPU to efficiently manage and manipulate data, ensuring smooth and accurate computing operations.
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What is One Time Pad (Vernam Cipher) ?
One Time Pad, also known as Vernam Cipher, is a type of encryption technique that uses a randomly generated key to encrypt and decrypt messages.
The key is the same length as the message and consists of a random sequence of bits. Each bit of the message is then XORed with the corresponding bit in the key. This results in a completely random-looking cipher that is nearly impossible to crack, as long as the key is kept secret and used only once. One Time Pad has been considered one of the most secure encryption methods, but it is not often used in practice due to the difficulty in generating truly random keys and the inconvenience of distributing them securely.
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What happens when a related portal section is deleted from the Related Portal Section library?
When a related portal section is deleted from the Related Portal Section library, the following occurs:
What are the impacts of the deletion of the Related Portal Section library?
1. The related portal section is removed from the library, which means it will no longer be accessible or available for use within the library.
2. Any instances of the deleted related portal section that were being used in a project or web page may no longer function or display correctly, as the source information has been removed from the library.
3. In some cases, you may need to find an alternative related portal section to replace the deleted one or recreate the deleted related portal section if it is still needed in your project.
It is essential to be cautious when deleting related portal sections from a library, as it can have unintended consequences on your project or website. Deleting a related portal section before doing so, as may affect the overall structure and organization of the related content on the portal. It is recommended to consult with other stakeholders and to have a plan in place for how to handle any necessary updates or revisions to the portal content.
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1)What is the value of allResult after running the following code: matrixA = zeros(5,1); allResult = all(matrixA)
The code provided is written in MATLAB. It creates a column vector matrixA of size 5x1 filled with zeros using the zeros function. Then it applies the all function on matrixA and stores .
the result in a variable called allResult. The all function in MATLAB returns a logical scalar (either true or false) indicating whether all the elements in the input matrix or array are non-zero (i.e., not equal to zero). In this case, matrixA is a column vector filled with zeros, so all the elements in matrixA are equal to zero. When all is applied on matrixA, it checks whether all the elements in matrixA are non-zero. Since all the elements in matrixA are zero, the result of all(matrixA) would be false. Therefore, the value of allResult would be false.
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Under most circumstances, which action must be taken to mix media of differing frame rates in the same sequence?
To mix media of differing frame rates in the same sequence, you must convert the media to a common frame rate.
1. Identify the different frame rates present in the media you want to mix.
2. Determine a common frame rate that would work best for your sequence. This could be the frame rate of the majority of your media or a standard frame rate for your specific project (e.g., 24fps for film, 30fps for television).
3. Convert the media with different frame rates to the chosen common frame rate. This can be done using video editing software or specialized conversion tools.
4. Import the converted media into your editing timeline, and edit them together in the same sequence.
By following these steps, you can successfully mix media of differing frame rates in the same sequence.
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Tom is reviewing a vulnerability scan report and finds that one of the servers on his net-work suffers from an internal IP address disclosure vulnerability. What protocol is likely in use on this network that resulted in this vulnerability?
A. TLS
B. NAT
C. SSH
D. VPN
B. NAT, Tom is reviewing a vulnerability scan report and finds that one of the servers on his net-work suffers from an internal IP address disclosure vulnerability. NAT protocol is likely in use on this network that resulted in this vulnerability.
The vulnerability report mentions an internal IP address disclosure, which means that an internal IP address of a server has been exposed to the public network. NAT (Network Address Translation) is a protocol commonly used to connect devices with private IP addresses to the public internet. NAT replaces the private IP addresses of devices on a local network with a public IP address before sending data packets over the internet. If the NAT configuration is incorrect or misconfigured, it can lead to the exposure of internal IP addresses to the public network, making the devices vulnerable to attacks. Therefore, it is likely that the vulnerability is due to the use of NAT on the network.
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14. All of the following objects may have a queue EXCEPT:A. AccountsB. CasesC. LeadsD. Custom Objects
Of the four options given—accounts, cases, leads, and custom objects—only one is not capable of being placed in a queue, and that is accounts. Accounts in Salesforce are typically used to store information about companies or organizations, and they do not typically require the same level of routing and distribution as other objects. They are typically managed by sales reps or account managers, who are responsible for building relationships and managing interactions with the company or organization.
A queue is a powerful feature in Salesforce that enables teams to manage and distribute work items among team members. It allows for the easy routing of work items, such as cases, leads, or custom objects, to the appropriate team member or group for processing. However, not all objects in Salesforce are capable of being placed in a queue.
Cases, on the other hand, are used to track customer inquiries or issues, and they often require multiple team members to work together to resolve the issue. Leads are similar to cases in that they are used to track potential customers or prospects, and they often require multiple team members to work together to move them through the sales funnel. Finally, custom objects are user-defined objects that can be used to track any type of data that is not already provided by Salesforce out of the box.
In conclusion, while all of these objects are valuable in Salesforce, only cases, leads, and custom objects can be placed in a queue for distribution and routing. Accounts, on the other hand, do not require the same level of distribution and routing and are not typically placed in a queue.
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Only a local user account with administrator privileges can install Mac apps from the App Store.
a) True
b) False
On macOS, both local user accounts with administrator privileges and standard user accounts can install Mac apps from the App Store. The App Store on macOS allows users to download and install various applications, including both free and paid apps, from Apple's curated collection. By default, any user account, whether it is a local user account with administrator privileges or a standard user account, can access and download apps from the App Store.
However, when installing apps from the App Store, administrator privileges may be required in some cases. For example, if the app being installed requires access to system files or settings, the installation process may prompt for an administrator password to authorize the installation. In summary, both local user accounts with administrator privileges and standard user accounts can install Mac apps from the App Store, but administrator privileges may be needed in certain cases during the installation process.
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If you create arrays using the _____ module, all elements of the array must be of the same numeric type.
If you create arrays using the NumPy module, all elements of the array must be of the same numeric type.
NumPy is a powerful Python library specifically designed for handling numerical data efficiently. It provides a high-performance multidimensional array object called ndarray, which is the key to its functionality.
One of the main advantages of using NumPy arrays over standard Python lists is their homogeneous nature. This means that all elements within an array must be of the same numeric type, such as integers, floats, or complex numbers. This requirement allows NumPy to optimize operations on arrays, leading to better performance and more efficient memory usage.
Homogeneous arrays enable NumPy to leverage vectorized operations, which means that calculations can be applied to entire arrays without the need for explicit loops. This results in faster and more efficient computations. Additionally, having a consistent data type within the array ensures that mathematical operations and comparisons are well-defined and predictable.
In summary, using the NumPy module to create arrays requires that all elements are of the same numeric type. This constraint allows for optimized performance, efficient memory usage, and reliable calculations when working with numerical data in Python.
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After publishing a BO, which file should be reviewed for possible errors and/or warnings during the publishing process?
The file that should be reviewed for possible errors or warnings during the publishing process is the log file.
What is a log file?
The file contains any errors or warnings that occurred during the publishing process is known as a log file. It allows the user to identify and address any issues that may affect the performance or functionality of the BO. It is important to thoroughly review the log file after publishing to ensure that the BO has been successfully deployed without any errors or warnings.
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What sender FSM in RDT over Lossy Channel With Bit Errors (RDT 3.0)
RDT 3.0 uses a sender FSM (Finite State Machine) to reliably transmit data from the sender to the receiver over a lossy channel with bit errors in the RDT (Reliable Data Transfer) protocol.
RDT 3.0's sender FSM works as follows:
The sender divides the data into packets and sends them to the receiver one at a time.When the sender sends a packet, a timer is started.When a packet is received, the receiver sends an ACK back to the sender to acknowledge receipt.If the sender receives a NAK from the receiver, the packet is retransmitted and a new timer is started.If the sender has no more packets to send, it sends an end-of-transmission (EOT) packet to signal the transmission's end.Thus, this way, sender FSM in RDT over Lossy Channel With Bit Errors (RDT 3.0)
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Which action is most likely to take place in the Debug step of the game
development cycle?
O A. Playing the game and going through every level to make sure that
no errors occur
B. Building a minimum viable product (MVP) and presenting it to an
audience for testing
C. Creating a mood board in order to plan the overall feel and color
scheme of the game
OD. Determining whether the outside material needed in the game has
special licenses
its a
Answer:
You are correct. It is indeed A.
A _____ can have a short name (like x and y) or a more descriptive name (age, carname, total_volume)
A variable can have a short name, like "x" or "y," or a more descriptive name, like "age," "carname," or "total_volume." In programming, a variable is a storage location that has a specific name and value. It is used to store data that can be changed during the execution of a program.
Choosing a descriptive name for a variable is important because it helps to make the code more readable and understandable. A descriptive name makes it easier for other programmers to understand what the variable represents and how it is used in the program. For example, if you have a variable that stores the age of a person, naming it "age" makes it clear what the variable represents. On the other hand, short variable names are often used in mathematical expressions, where long variable names can make the expression harder to read. Short variable names are also used in loops and other repetitive structures where the variable is only used temporarily. For example, in a loop that counts from 1 to 10, a variable named "i" (for "index") is often used to keep track of the current iteration. In summary, variables can have short or descriptive names depending on the context and the purpose of the variable. It is important to choose a descriptive name whenever possible to make the code more understandable and maintainable.For such more question on variable
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Harm can be characterized by four acts: interception, interruption, modification, and fabrication.
True
False
The answer to the given question based on the prompt is false because harm cannot be characterized as a universal framework.
What is a Framework?Software frameworks are abstractions used in computer programming where generic functionality-providing software can be selectively modified by extra user-written code to provide application-specific software.
However, the concept of harm can be characterized in other ways that are universally acceptable such as physical, emotional, psychological harm, amongst many others.
Thus, the answer is false.
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describe a situation in which you would want to use user-level threading over kernel-level, and explain why your example makes sense.
User-level threading and kernel-level threading are two different approaches to implementing threading in an operating system.
User-level threading is implemented entirely in user space, meaning that the thread scheduling and management is handled by the application itself, rather than the operating system. User-level threading is generally more lightweight than kernel-level threading because it does not require system calls or context switches, but it may not take advantage of all the features provided by the operating system.
On the other hand, kernel-level threading is implemented in the kernel of the operating system, and the thread scheduling and management is handled by the operating system itself. Kernel-level threading is generally more powerful and flexible than user-level threading because it can take advantage of all the features provided by the operating system, but it may be less lightweight and have higher overhead.
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which of the following nosql database would be an excellent choice for a company that is trying to build a social recommendation engine among family members for various activities such as movies, events, cusines etc ? what nosql database would you recommend? a. graph b. key-value c. document d. relational e. columnar
A graph database would be an excellent choice for building a social recommendation engine that involves complex relationships and connections between family members and their preferences for various activities. Graph databases use nodes, edges, and properties to represent and store data and their relationships, making it easier to traverse and query the data to find patterns and connections.
In a graph database, each family member can be represented as a node, and their preferences can be stored as properties. The relationships between family members can be represented as edges, with properties that describe the nature of the relationship. For example, a mother can have an edge to her son with a property "parent_of", and the son can have an edge to his mother with a property "child_of".
By using graph traversal algorithms, the recommendation engine can analyze the relationships and preferences of family members to make recommendations based on their connections and interests. This makes graph databases a powerful tool for building social recommendation engines.
Therefore, for the given scenario, a graph database would be the most appropriate choice.
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When you open a service catalog and click the Order button what gets created?
When you open a service catalog and click the Order button, what gets created is a service request. A service request is a formal request from a customer or user for a specific service. The service request is created based on the information provided by the customer or user in the service catalog.
The service catalog is a tool that provides information about the services offered by an organization. It is a way for customers or users to view the services available to them, as well as the associated costs and service level agreements (SLAs). The service catalog also includes information about the ordering process for each service.
When a customer or user clicks the Order button in the service catalog, they are taken through a series of steps to create a service request. The steps may include selecting the service they want, providing additional information about the service, selecting the service level agreement, and specifying any additional requirements or comments.
Once the service request is created, it is typically routed to the appropriate team or department for processing. The team or department will review the request, confirm the details, and begin work on fulfilling the service.
In summary, when you click the Order button in a service catalog, a service request is created, which initiates the process of fulfilling the requested service.
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Which configuration profile payload is unique to Apple TV?
a) Passcode
b) Single App Mode
c) Conference Room Display
d) Font
The configuration profile payload that is unique to Apple TV is "Conference Room Display."
While Passcode, Single App Mode, and Font are configuration profile payloads available on various Apple devices, Conference Room Display is exclusive to Apple TV. It allows organizations to configure an Apple TV to display specific information, such as the room name and upcoming meetings, on a TV screen in a conference room. This feature is particularly useful for businesses and educational institutions that frequently hold meetings or presentations in conference rooms.
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Apple Configurator 2 can enroll an Apple TV with Jamf Pro.
a) True
b) False
Answer: a) True Apple Configurator 2 can enroll an Apple TV with Jamf Pro, allowing for centralized management of Apple devices.
For Apple, HomePod represents a strategy of leveraging their existing strengths in software and hardware design to enter the burgeoning smart home market.
Software is a set of instructions apple devices that tell a computer how to perform a specific task. It is a program or collection of programs designed to carry out a specific function for a user or system.
Apple's HomePod combines the company's signature intuitive interface and powerful software with advanced audio technology to create a device that can be used to control smart home devices, stream music, and access other digital content. HomePod also serves as an entry point for Apple's HomeKit platform, which allows users to control their entire home's connected devices from an app. By releasing HomePod, Apple is attempting to create a market-leading device that will allow them to capitalize on the growing demand for home automation.
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Memory Management
What are the possible bits used in the pager?
Memory management refers to the process of managing and coordinating computer memory, including assigning portions of memory to specific programs or processes.
In the context of paging, a common memory management technique, the operating system divides memory into fixed-size chunks called pages. The size of a page is typically a power of 2, such as 4KB or 8KB. The number of bits used in the pager depends on the size of the page. For example, if the page size is 4KB (4096 bytes), then the pager will use 12 bits to address each byte within a page (2^12 = 4096).
If the page size is 8KB, then the pager will use 13 bits to address each byte within a page (2^13 = 8192). The number of bits used in the pager is determined by the page size and can vary depending on the specific system and memory management scheme used.
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which statement is false? group of answer choices with the udp protocol packets can be lost, duplicated or even arrive out of sequence the tcp protocol is used for transmission with stream sockets with datagram sockets a process establishes a connection to another process the udp protocol is used for transmission with datagram sockets
The false statement is "the tcp protocol is used for transmission with stream sockets with datagram sockets". The TCP protocol is used for transmission with stream sockets, but not with datagram sockets. The UDP protocol is used for transmission with datagram sockets.
To understand a question related to UDP and protocols. The false statement among the choices provided is: "With datagram sockets, a process establishes a connection to another process."
This statement is false because datagram sockets use the User Datagram Protocol (UDP), which is a connectionless protocol. It means that UDP does not establish a connection before sending data, unlike the Transmission Control Protocol (TCP) which does establish connections with stream sockets.
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Who is responsible for determining the appropriate tactics for an incident? A. The Safety Officer B. The Deputy Incident Commander C. The Operations Section D. The Planning Section
The individual is responsible for determining the appropriate tactics for an incident is C. from the Operations Section.
The Operations Section, led by the Operations Section Chief, works closely with the Incident Commander to develop and implement the most effective tactics for managing the incident. Is responsible for setting the incident objectives and managing the incident. The implementation of strategy and tactics to achieve operational control is the responsibility of the Operations Section Chief.The purpose of the Operations Section is to carry out the response activities described in the incident. Action Plan. Operations Section objectives include providing communicable disease information to responders, clinicians, the public, and other stakeholders. The Operations Section Chief is normally the person with the greatest technical and tactical expertise in dealing with the problem at hand. “I'm responsible for developing and implementing strategy and tactics to carry out the incident objectives."
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5. Longest Palindromic SubstringGiven a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000.Example 1:Input: "babad"Output: "bab"Note: "aba" is also a valid answer.
To find the longest palindromic substring in a given string, you can use an algorithm that iteratively checks for palindromes of increasing length within the string.
Here's a general outline:
1. Initialize a variable to store the longest palindromic substring found so far.
2. Iterate through each character in the string.
3. For each character, expand outward from the current character and check for palindromes. Check for odd and even length palindromes separately.
4. If a palindrome is found and its length is longer than the current longest palindromic substring, update the longest palindromic substring variable.
5. Continue iterating through the string and checking for palindromes.
6. Once the iteration is complete, return the longest palindromic substring found.
In the given example, the input string is "babad". The algorithm finds two valid longest palindromic substrings: "bab" and "aba". Both answers are considered correct.
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Delete a row in a query using the Power Query editor. --> Delete the first row in the NewClients query
Delete the first row in the NewClients query using the Edit Queries option in the "Data" tab in Excel.
How to delete a row?
To delete a row in a query using the Power Query editor, you can follow these steps:
1. Open the Power Query editor by selecting the "Edit Queries" option in the "Data" tab in Excel.
2. Select the query that you want to edit (in this case, the "NewClients" query).
3. Click on the row that you want to delete to select it.
4. Right-click on the selected row and choose the "Remove Rows" option.
5. In the drop-down menu, select the "Remove Top Rows" option.
6. Enter "1" as the number of rows to remove.
7. Click the "OK" button.
This will delete the first row in the "NewClients" query. Note that you can also use other options in the "Remove Rows" drop-down menu to delete rows based on specific criteria or conditions.
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Which group function would you use to display the lowest value in the SALES_AMOUNT column? Mark for Review
(1) Points
COUNT
MAX
AVG
MIN (*)
The SQL group function used to display the lowest value in the SALES_AMOUNT column is MIN(*)
Given data ,
The correct group function to use to display the lowest value in the SALES_AMOUNT column is MIN (*).
The MIN function is used to find the minimum (or lowest) value in a column of a database table. When applied to the SALES_AMOUNT column, it would return the lowest value among all the values in that column.
The "(*)" in the option indicates that MIN is the only group function that can be used to achieve this result.
Hence , the SQL function to display the lowest value is MIN(*)
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When a client is requesting an initial address lease from a DHCP server, why is the DHCPREQUEST message sent as a broadcast?
The DHCPREQUEST message is sent as a broadcast in order to reach all DHCP servers on the network and indicate the client's intention to obtain an initial address lease.
Broadcasting is a communication method in which a message is sent to all devices on a network, rather than to a specific device. When a client is requesting an initial address lease from a DHCP (Dynamic Host Configuration Protocol) server, it first sends a DHCPDISCOVER message as a broadcast to discover available DHCP servers on the network. The DHCP servers then respond with a DHCPOFFER message, indicating the IP address lease they are willing to provide to the client. The client then selects one of the offered IP addresses and sends a DHCPREQUEST message as a broadcast to request that specific IP address from the chosen DHCP server.
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Who published the first account of deciphering polyalphabetic ciphers?
Gilbert Vernam
Charles Babbage
Al Gore
Freidrich Kasiski
The first account of deciphering polyalphabetic ciphers was published by Freidrich Kasiski in 1863.
However, it should be noted that Gilbert Vernam and Charles Babbage also made significant contributions to the field of cryptography, with Vernam developing the first cipher machine in 1917 and Babbage proposing the idea of a cipher-breaking machine in the 19th century. Al Gore, on the other hand, is not known for his contributions to cryptography.
What is deciphering?
The process of converting the enciphered text to plain text using a cryptographic system is known as deciphering. It is also known as decryption.
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To display all the rows and columns in a table, type the word SELECT, followed by a(n) _____, followed by the keyword FROM and then the name of the table containing the data you want to view.
To display all the rows and columns in a table, type the word SELECT, followed by an asterisk (*), followed by the keyword FROM and then the name of the table containing the data you want to view.
The * wildcard character represents all columns in the table, so when you use it in the SELECT statement, all columns of the specified table will be included in the output.
For example, if you have a table named employees and you want to display all its columns and rows, you would use the following SQL command:
SELECT * FROM employees;
This command will return all the rows and columns in the employees table. You can also specify specific columns in the SELECT statement if you only want to view particular columns in the table. For example:
SELECT id, name, age FROM employees;
This command will only return the id, name, and age columns from the employees table.
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you are designing an application that will use an azure sql database. you have identified the following database requirements: supports four read-scale replicas supports up to 25 tb of data provides an sla of 99.99% what is the least costly service tier that meets the requirements
Based on the identified database requirements, the least costly service tier that meets the requirements is the Business Critical service tier. This service tier provides support for 4 read-scale replicas, up to 100 TB of data, and an SLA of 99.99%.
What is SQL Database?
SQL Database, also known as Microsoft Azure SQL Database, is a cloud-based relational database service provided by Microsoft Azure. It is a fully managed database service that allows users to create, scale, and manage SQL Server databases in the cloud. SQL Database provides many of the same features as an on-premises SQL Server database, including support for Transact-SQL (T-SQL) and the ability to use familiar SQL Server tools such as SQL Server Management Studio (SSMS).
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Use the keyboard to enter a formula that uses a function. --> In cell B17, use the keyboard to enter a formula that uses the SUM function to calculate the total of the values in range B5:B16
Using the keyboard to enter a formula with the SUM function can save time and increase efficiency when working with large amounts of data in Microsoft Excel.
To use the keyboard to enter a formula that uses the SUM function to calculate the total of the values in range B5:B16 in cell B17, follow these steps:
1)Click on cell B17 to select it.
2)Type the equal sign (=) to start the formula.
3)Type "SUM(" to start the SUM function.
4)Select the range of cells B5:B16 by using the arrow keys on your keyboard to move the cursor to B5, and then holding the Shift key down while pressing the Down Arrow key until you reach cell B16.
5) Type ")" to close the SUM function.
6) Press Enter on your keyboard to complete the formula.
Your final formula should look like this: =SUM(B5:B16)Pressing Enter will calculate the total of the values in the selected range and display the result in cell B17.
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