$1.$ Which $.$NET Framework version was released in May $2018$ and focused on an extendable tooling system, adding newt types like Span, new APIs for cryptography and compression, a Windows Compatability Pack with an additional $20,000$ APIs to help port old Windows applications, Entity Framework Core value conversions, etc.?

A$..$NET Core $1\mathrm{.}0$

B$..$NET Core $1\mathrm{.}1$

C$..$NET Core $2\mathrm{.}0$

D$..$NET Core $2\mathrm{.}1$

$2.$ Which $.$NET platform was released in November $2020$ and focused on unifying the various $.$NET platforms, refining platform, and improving performance?

A$..$NET $2\mathrm{.}1$

B$..$NET $2\mathrm{.}2$

C$..$NET $5\mathrm{.}0$

D$..$NET $1\mathrm{.}1$

$3.$ This runtime loads assemblies, compiles the IL code stored in them into native code instructions for your computer's CPU, and executes the code within an environment that manages resources such as threads and memory?

A$.$ Common Language Runtime $($CoreCLR$)$

B$.$ Language Compilers

C$.$ Base Class Libraries $($BCLs$)$ of assemblies in NuGet packages $($CoreFX$)$

D$.$ Functions

$4.$ What is the address of a type?

A$.$ Namespace

B$.$ Assemblies

C$.$ Interface

D$.$ Library

$5.$ What is the $.$NET type for 'short' keyword?

A$.$ System.Boolean

B$.$ System.Char

C$.$ System.Int$16$

D$.$ System.String

$6.$ Quaternions are a number system that extends complex numbers?

A$.$ True

B$.$ False

$7.$ Replace members insert and remove some text in the string variable?

A$.$ True

B$.$ False

$8.^\backslash$d$\{2\}$$ or $^[0-9]\{2\}$$ are exactly two digits?

A$.$ True

B$.$ False

$9.$ A variable is a data structure in memory that can manage multiple items in different ways although all collections have some shared functionality?

A$.$ True

B$.$ False

$10.$ Stacks are a good choice when you want to implement the first$-$in$,$ first$-$out $($FIFO$)$ behavior?

A$.$ True

B$.$ False