IIS Administrator Interview Questions and Answers

http.sys is a kernel-mode driver that provides HTTP protocol support for IIS and other Windows services.

• http.sys listens for incoming HTTP requests and routes them to the appropriate application

• It provides caching, compression, and SSL offloading for HTTP traffic

• It also enforces security policies and limits the number of concurrent connections

• Examples of services that use http.sys include IIS, Windows Activation Service, and Windows Remote Management

Kernel mode layer is the part of operating system that interacts directly with hardware.

• Kernel mode layer is responsible for managing system resources such as memory, CPU, and input/output operations.

• It is the lowest level of the operating system and runs in privileged mode.

• Kernel mode layer provides services to other parts of the operating system and to applications.

• Examples of kernel mode layer components include device drivers, file systems, and network protocols.