Go: Programming Fundamentals & Concurrency
Go: Programming Fundamentals & Concurrency
Up to 20 questions, shuffled on every run
Welcome to the Go (Golang) Basics Quiz! Go is the backbone of modern DevOps. Its simplicity, performance, and built-in concurrency make it the perfect choice for high-scale infrastructure tools. This quiz will test your understanding of how Go works, from its strict type system to its unique “Goroutine” model. Let’s see how much of the Go Gopher spirit you have!
Answer key and explanations20 questions
The quiz above draws 20 questions at random from these 30, so a second attempt will not be the same run. Everything in the pool is listed here.
What is a "Goroutine" in Go?
AnswerA lightweight thread managed by the Go runtime
Which keyword is used to start a Goroutine?
Answergo
What is a "Channel" in Go?
AnswerA pipe used to communicate between goroutines
How do you declare a variable with "short-hand" syntax in Go?
Answerx := 10
What is the default value (Zero Value) of an integer in Go?
Answer0
What does "Strictly Typed" mean for Go?
AnswerThe compiler forbids mixing incompatible types
What is a "Slice" in Go?
AnswerA dynamic, flexible view into an underlying array
What is the purpose of the `defer` keyword?
AnswerTo delay a function call until the caller returns
How does Go handle errors?
AnswerBy returning an error as a secondary return value
What is an "Interface" in Go?
AnswerA type that defines a set of method signatures
What is "Go Modules" (go.mod)?
AnswerThe standard system for managing dependencies
What does the `range` keyword do in a loop?
AnswerIterates over elements in various data structures
What is a "Map" in Go?
AnswerAn unordered collection of key-value pairs
Which command compiles and runs a Go file in one step?
Answer`go run`
What is a "Struct" in Go?
AnswerA collection of fields grouped as a custom type
What is a "Pointer" in Go?
AnswerA variable that stores a memory address
What is the "Main" package in Go?
AnswerThe package that defines an executable program
What is the purpose of the `select` statement?
AnswerTo wait on multiple channel operations
How do you export a function from a Go package?
AnswerCapitalize the first letter of the function name
What is "Panic" in Go?
AnswerA function that halts normal execution flow
What is the purpose of `init()` function?
AnswerTo run setup logic before the main function
What is a "Buffered Channel"?
AnswerA channel with a queue for holding values
What is `nil` in Go?
AnswerThe zero value for pointers and interfaces
What is "Gofmt"?
AnswerA tool that enforces a standard code style
What is a "Method" in Go?
AnswerA function with a defined receiver argument
What is the purpose of `const`?
AnswerTo declare an immutable value at compile time
What is a "Deadlock" in Go Concurrency?
AnswerA state where goroutines wait on each other
What is the "Blank Identifier" (_)?
AnswerAn identifier used to discard unwanted values
What is a "Map Literal"?
AnswerA way to initialize a map with data directly
What is "Go Doc"?
AnswerA tool that generates documentation from code
