Commonwealth Bank of Australia, India Platform Engineer Interview Questions and Answers

IBGP setup can lead to unintended transit AS issues; implement route filtering to prevent this.

• IBGP routers do not advertise routes learned from one IBGP peer to another, preventing loops.

• Without proper configuration, internal routers may inadvertently become transit AS for external traffic.

• Use route filtering or prefix lists to control which routes are advertised to prevent transit behavior.

• Implementing a route reflec...read more

BGP operates at the Application layer (Layer 7) of the OSI model, facilitating inter-domain routing between autonomous systems.

• BGP (Border Gateway Protocol) is used for routing between different autonomous systems on the internet.

• It operates at the Application layer, which is responsible for end-user services and application-level protocols.

• BGP uses TCP (Transmission Control Protocol) for reliable communication, which ...read more

VXLAN enhances network scalability, flexibility, and isolation in virtualized environments through encapsulation and overlay networks.

• Scalability: Supports up to 16 million unique segments, far exceeding VLAN limits.

• Overlay Networking: Allows for the creation of virtual networks over existing physical infrastructure.

• Multitenancy: Provides isolation between different tenants in a cloud environment, enhancing security.

• Mo...read more

Script in Python to print 'Hello, World!'

• Use the print() function in Python to display the text 'Hello, World!'

• Ensure the text is enclosed in single or double quotes