Test 3.docx

The user stories are tools for ____. Communication Using interviews to collect software requirements, who should show up to have the best result? The whole agile team In the first interview meeting for collecting software requirements the team should encourage users to provide ___ information. Vagu...

The user stories are tools for ____. Communication Using interviews to collect software requirements, who should show up to have the best result? The whole agile team In the first interview meeting for collecting software requirements the team should encourage users to provide ___ information. Vague Which of the following should be avoided in a focus group? Leading questions Which of the following is an advantage of structured questionnaire? Save time. Which of the following is an advantage of observation of the users when collections software requirements? Learn about the users’ environment. Which of the following is not a benefit of studying the legacy system and analyzing the documents? Identify the developer of the previous system. Each ____ consists of five to ten users with a moderator. Focus group Compared to an interview for user requirements, ___ with close-end questions of takes less time. Structured questionnaire ___ are like arrays that can be used to hold a group of objects with more flexibility. Collections The number of Elements in a collection can ___ dynamically as needed. Grow and shrink some ___ allow you to use a key for each element so that the rshrink.al can be faster. Collections Which of the following is a reason you may still want to learn about arrays in C#? Arrays can run faster than collections. Which of the following is NOT a reason you should still learn how to use arrays in C#? Arrays are more flexible than collections. There are two versions of collections in most cases, A _____ version and ___ version Generic, non-generic Which of the following is a property of the List class in C# that returns the number of elements in the list? Count Which method of the list class would you use to add an element at the specific index? Insert Which method of the List class would you use to delete an element at the specific index? remove At In C# Windows Forms App, to make a button execute a group of code when it is clicked at run time, double click on the button on designer window to generate the button____. Click event handler. In C# Windows Forms App, to make the ComboBox execute a group of code when it is selected at run time, double click on the ComboBox on the designer window to generate ComboBox ____. Selected index change event handler A List<T> collection uses ___ to identify each element in the collection while a Dictionary<TKey, TValue> uses ____ to identify each value in the collection. Indexes keys The ____ of an element in a List<T> collection may change when another element is removed from or inserted into the list. Index The key to an element in a Dictionary<TKey, Tvalue> collection _____ when another element is removed from or inserted into the dictionary. Is the same An allStudents collection that uses student ID as the key should look like this (assuming a student ID is an integer and a student is an instance of the Student class): Dictionary<int, Student> allStudents = new Dictionary<int, Student>(); Suppose a collection of all friends with phone number is declared like this (assuming a phone number is a string and a friend is an instance of the Friend class): Dictionary<string, Friend> allFriends = new Dictionary<string Friend>(); Then a friend with a phone number of (202)341-9988 is ___. All Friends[“(202)341-9988”] Adding a key/value pair to a dictionary that already contains the key will ____. Throw ArgumentException To access to value of a non-existing key of a dictionary collection will ___. Throw KeyNotFoundException The ____ method is used to determine if the key is in the dictionary. ContainsKey() The ____ method returns true and assigns the value associated with the specific key to the out parameter if the key is found. Otherwise, the method returns false and assigns the default value of the type to the out parameter. TryGetValue() Which of the following statements adds a student object with ID of 2233 to a dictionary collection called allStudents (assuming all variables are properly declared and assigned)? allStudents.Add(2233, student); Which of the following is true about an agile team? Is a cross-functional group 3.22) Which of the following is true about an agile team? Has about 5 to 9 people