Which keyword is used to include a package in Go?

  • import
  • include
  • package
  • use
The import keyword is used in Go to include packages from the Go standard library or third-party packages into your program. It allows you to access functionality provided by those packages.

Which NoSQL database is known for its in-memory processing, high availability, and support for multiple data structures?

  • Cassandra
  • Couchbase
  • MongoDB
  • Redis
Redis is known for its in-memory processing, high availability through replication, and support for various data structures such as strings, hashes, lists, sets, and sorted sets, making it highly versatile.

The _______ data type in Go is used to represent decimal numbers with floating-point precision.

  • complex
  • decimal
  • double
  • float32
In Go, the float32 data type is used to represent decimal numbers with single-precision floating-point precision. It's commonly used when memory efficiency is crucial or when dealing with smaller decimal values.

The _______ protocol is used to coordinate the commit process among multiple nodes participating in a distributed transaction.

  • Byzantine Fault Tolerance
  • Paxos
  • Raft
  • Two-Phase Commit
The Two-Phase Commit protocol is commonly used to ensure atomicity and consistency in distributed transactions. It coordinates the commit process among multiple nodes, ensuring that either all nodes commit the transaction or none of them do. This helps maintain data consistency in distributed systems.

Can you perform arithmetic operations on pointers in Go?

  • Depends on the type of pointer
  • No
  • Sometimes
  • Yes
No, you cannot directly perform arithmetic operations on pointers in Go like you can in languages such as C or C++. Go's pointer arithmetic is intentionally limited for safety and simplicity. Attempting to perform arithmetic on pointers will result in a compilation error.

Which router package in Go allows you to define route patterns with variables and route constraints?

  • Gorilla Mux
  • chi
  • httprouter
  • mux
Gorilla Mux is a powerful router package in Go that allows defining route patterns with variables and route constraints. It offers more flexibility and features compared to the default HTTP router.

What type of database falls under the category of NoSQL databases?

  • Document-oriented
  • Graph
  • Key-value
  • Relational
NoSQL databases encompass various types, including document-oriented databases, which store data in a format similar to JSON or BSON documents.

In a Go program, you're iterating over a collection of items, and you want to execute a block of code for each item. Which loop would you use for this purpose?

  • do-while
  • for
  • range
  • while
The range loop in Go is specifically designed for iterating over elements in a collection, such as arrays, slices, maps, or channels. It simplifies the syntax and improves readability by abstracting away the complexity of managing loop variables and indices. By using the range keyword, you can iterate over each item in the collection directly, without worrying about index management or termination conditions. Therefore, when iterating over a collection of items in a Go program, the range loop is the most suitable choice.

Which ORM library is commonly used in Go for Object-Relational Mapping?

  • GORM
  • GoMapper
  • ORM-go
  • SQLize
GORM is a widely used ORM library in Go for Object-Relational Mapping. It provides a convenient way to interact with the database in a Go application by offering features like automatic table creation, querying, and associations mapping.

The _______ testing framework in Go integrates seamlessly with popular continuous integration (CI) tools like Travis CI and Jenkins.

  • go test
  • goconvey
  • ginkgo
  • testify
The correct option is goconvey. The goconvey testing framework in Go integrates seamlessly with popular continuous integration (CI) tools like Travis CI and Jenkins. Its built-in web UI provides real-time feedback on test results, making it convenient for developers to monitor test suites during CI/CD pipelines. Goconvey also supports behavior-driven development (BDD) syntax and live code reloading, enhancing the development experience for Go projects.

The purpose of the "_______" library in Go testing is to provide additional assertion functions and utilities.

  • testify
  • assert
  • gomega
  • gounit
The correct option is testify. The testify library in Go provides additional assertion functions and utilities to enhance testing capabilities. It includes features such as assertions, mocks, and test suite structuring, making it a popular choice among Go developers for writing comprehensive and reliable tests.

How do you pass a pointer to a function in Go?

  • Pass the variable normally without any additional operators
  • Use the & operator before the parameter when passing the argument to the function
  • Use the * operator before the parameter type when declaring the function signature
  • Use the * operator before the variable name when passing it to the function
In Go, to pass a pointer to a function, you use the & operator before the variable when passing it as an argument to the function. This allows the function to modify the original value outside its scope by working with its memory address.