Quiz

1. What is the number 32 representing in the int32 scalar type?
   1. The number of bits the serialized data will be stored in
   2. The range of numbers that can fit into the scalar type
   3. Whether the type can accept negative numbers or not
2. What is varint encoding doing?
   1. Compressing data in such a way that a smaller number of bytes will be required for serializing data
   2. Turning every negative number into positive numbers
3. What is ZigZag encoding doing?
   1. Compressing data in such a way that a smaller number of bytes will be required for serializing data
   2. Turning every negative number into a positive number
4. In the following code, what is the = 1 syntax and what is it used for?

   uint64 ids = 1;

   1. This is assigning the value 1 to a field
   2. 1 is an identifier that has no other purpose than helping developers
   3. 1 is an identifier that is helping the compiler know into which field to deserialize the binary data.
5. What is a message?
   1. An object that contains fields and represents an entity
   2. A collection of API endpoints
   3. A list of possible states
6. What is an enum?
   1. An object that contains fields and represents an entity
   2. A collection of API endpoints
   3. A list of possible states
7. What is a service?
   1. An object that contains fields and represents an entity
   2. A collection of API endpoints
   3. A list of possible states