Which Cisco Software OS uses microkernel architecture?

The correct answer is D. IOS XR. Cisco IOS XR is the Cisco operating system that employs a microkernel architecture, which provides significant advantages in terms of modularity, fault isolation, and high availability. This contrasts with traditional Cisco IOS, which uses a monolithic kernel.

Architecture

Question

Options

AIOS 12.3
BIOS 15.1
CIOS
DIOS XR

How the community answered

(58 responses)

B
3% (2)
C
5% (3)
D
91% (53)

Why each option

Cisco IOS XR is the Cisco operating system that employs a microkernel architecture, which provides significant advantages in terms of modularity, fault isolation, and high availability. This contrasts with traditional Cisco IOS, which uses a monolithic kernel.

AIOS 12.3

IOS 12.3 is a version of Cisco IOS, which is based on a monolithic kernel architecture, not a microkernel.

BIOS 15.1

IOS 15.1 is a version of Cisco IOS, which is based on a monolithic kernel architecture, not a microkernel.

CIOS

Cisco IOS, in general, refers to the traditional monolithic operating system used on many Cisco routing and switching platforms, which does not employ a microkernel architecture.

DIOS XRCorrect

Concept tested: Cisco OS architecture (Microkernel)

Source: https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios-xr-software/white_paper_c11-736021.html

Topics

#Cisco OS Architectures#IOS XR#Microkernel

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