You launch an Amazon EC2 instance without an assigned AVVS identity and Access Management (IAM) role. Later, you decide that the instance should be running with an IAM role. Which action must you take in order to have a running Amazon EC2 instance with an IAM role assigned to it?
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You launch an Amazon EC2 instance without an assigned AVVS identity and Access Management (IAM)
role. Later, you decide that the instance should be running with an IAM role. Which action must you
take in order to have a running Amazon EC2 instance with an IAM role assigned to it?
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- Appointment scheduling by an administrative staff: The below given is a scenario shows the process of patient appointment scheduling by an administrative staff.The staff login to the system, the system validates the credentials. The staff selects appointmentpage and select an appointment date. Add the patient ID and send for an appointment to thesystem. The system verifies the date and accepts or reject based on the availability of the bookingslot on that particular date. If the booking is available, the database will be updated and sendconfirmation message to the staff, or sends an error message. the proplem: 3.14 - Draw a sequence diagram for the Appointment scheduling by anadministrative staff.Requirements of the sequence diagram The objects involved Messages between the objects The objects’ lifelines A fragment [if any]The Happy Tails Pet Store wants to create an online system for their customers, so they can buy a pet through their system. The customer can create an account, search pet kinds, choose a pet and pay for their pet that he/she chose. Each Pet has an ID, name, type, gender and colour. Each pet can be either b cat, a dog or a rabbit. The customer can buy one pet or more. The supplier provides the store with the pets. Each supplier has a name, phone number company address. The pet store deals with several suppliers. However, eve supplier must provide one type of pet. The supplier adds the provided pet t- the system. The customer must fill the required pet type, colour and gender, then the system will display all available pets based on the customer choice. The customer must pay for the system online through her/his visa card or the pe will not be delivered to the customer. After paying for the pet, the system w display a thank you message. The functions supported by the system: • Create an…Quiz 2/III Draw the use case model and write main scenario and extensions for the following: student online registration in a computer college : a student enters his information in the college website and receives a registration code to his email . then login the email to complete the process and get a message that he is being added to the student database if his degrees are under the average the system will redirect the record to another college.
- To access a database, we need to open a connection to it first and close it once our job is done. Connecting to a database depends on the type of the target database and the database management system (DBMS). For example, connecting to a SQL Server database is different from connecting to an Oracle database. But both these connections have a few things in common: •They have a connection string •They can be opened•They can be closed•They may have a timeout attribute (so if the connection could not be opened within the timeout, an exception will be thrown).Your job is to represent these commonalities in a base class called DbConnection. This class should have two properties: ConnectionString : stringTimeout : TimeSpanA DbConnection will not be in a valid state if it doesn’t have a connection string. So you need to pass a connection string in the constructor of this class. Also, take into account the scenarios where null or an empty string is sent as the connection string. Make sure to…You are tasked with setting up protection within a new project, and you are trying to decide on a formal security model to protect the resources (e.g., files). The two options are to implement an access matrix using the following: Access lists that are associated with objects. Capabilities that are associated with domains. Compare the strengths and weaknesses of each type of implementationThe InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENANCE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team.
- A hospital would like to set up a database recording which registered nurse looked after which patient etc. Each registered nurse has a unique nurse ID, and each patient has a unique patient ID, and the following attributes are found for nurses, and patients in the first round of design: NURSE: nurselD, suname, first name, birthdate, dept-code, sex, salary-level PATIENT: patientlD, surname, first name, birthdate, wardlD, sex, admission_date, discharge_date A recent duty list shows the patients that were cared by each nurse in past 2 months, see below for some samples:Using the Crow’s Foot methodology, create an ERD that can be implemented for a medical clinic, using at least the following business rules: A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient. Emergency cases do not require an appointment. However, for appointment management purposes, an emergency is entered in the appointment book as “unscheduled.” If kept, an appointment yields a visit with the doctor specified in the appointment. The visit yields a diagnosis and, when appropriate, treatment. With each visit, the patient’s records are updated to provide a medical history Each patient visit creates a bill. Each patient visit is billed by one doctor, and each doctor can bill many patients. Each bill must be paid. However, a bill may be paid in many installments, and a payment may cover more than one bill. A patient may pay the bill…ObjectiveTo develop a simple database application using modern programming tools.ToolsStudents can choose either one of the programming languages C++, C#, Java, and Python as their main development platform. They can also choose either one of the database management systems SQLite, MySQL, PostgreSQL, and Microsoft SQL Server.GuidelinesEach student should agree to work with one student from the class as a teammate. Otherwise, the student works alone and gets penalized by getting at most 75% of the project grade. Teams should work independently toward the same project goal. Each team has to prepare a report presenting all the details about the work done and the job division. The number of pages should not pass twenty.Description of the ProjectThe project is to develop a simple university management system. The application should let three different kinds of users to work, namely, the student, the instructor, and the faculty coordinator. Users should have the following functionalities in…
- please answer with proper explanation and step by step solution.Fruvento is going to be used by any client to search for the fruits available in the farm. This search could be done by fruit names or by date. The client can also use the system to order fruits, pay them, and complain if he/she faces any inconvenience. Fruvento is also going to be used by any employee of the farm to assess the complains, list the fruits available, and issue invoices for the clients. When needed, the employee can request quotations from providers and submit orders to obtain specific services related to the management of fruits. Providers, who are going to use Fuvento to offer their services, will check the orders received from the employees of the farm and submit quotations, accordingly. The employee can then pay for the services ordered if he/she gets a convenient quotation. In order to implement the expected system, the following information have been received from the managers of the farm: A client can make one or more orders (we call them buy-orders). For every…Fruvento is going to be used by any client to search for the fruits available in the farm. This search could be done by fruit names or by date. The client can also use the system to order fruits, pay them, and complain if he/she faces any inconvenience. Fruvento is also going to be used by any employee of the farm to assess the complains, list the fruits available, and issue invoices for the clients. When needed, the employee can request quotations from providers and submit orders to obtain specific services related to the management of fruits. Providers, who are going to use Fuvento to offer their services, will check the orders received from the employees of the farm and submit quotations, accordingly. The employee can then pay for the services ordered if he/she gets a convenient quotation. Question: Propose a UML use-case diagram for the process described above.