.Net Deck 6

Question 1

How do you store Flags in an Enum?

Answer 1

[Flags]
public enum UserStatus: short
{
NotSet = 0,

[Description(“Inactive”)]
Inactive = 1,

[Description(“Active”)]
Active = 2
}

Question 2

What are the first 4 numeric values of a Enum used to store Flags ?

Answer 2

0,1,2,4,8,16

Question 3

How do you send email on the server?

Answer 3

You send it via SMTP

Simple Mail Transfer Protocol

Question 4

What is the best was to concatenate strings in .Net and why?

Answer 4

There are 6 types of string concatenations:

Using the plus (+) symbol.
Using string.Concat().
Using string.Join().
Using string.Format().
Using string.Append().
Using StringBuilder.

Question 5

Write a C# function that accepts an array of integers, adds all the members and returns the result.

Answer 5

public int SumArr(int[] arr)
{
            int sum = 0;
            foreach (int i in arr)
            {
                sum = sum + i;
            }

        return sum; }

Question 6

In an Api application, what information is used to route your request?

Answer 6

database proc

Question 7

What protocol is normally used in a web request?

Answer 7

HTTP

Question 8

What are the different types of HTTP methods? When would you use these over others?

Answer 8

POST| Create
GET| Read
PUT | Update/Replace
PATCH | Update/Modify
DELETE | Delete

Question 9

What is attribute routing?

Answer 9

Routing is how Web API matches a URI to an action