Infosys Network Administrator Interview Questions, Process, and Tips

F5 load balances traffic by distributing it across multiple servers to optimize performance and ensure high availability.

• F5 uses a variety of load balancing algorithms such as round robin, least connections, and weighted round robin.

• It distributes incoming traffic across multiple servers based on the selected algorithm.

• F5 continuously monitors server health and availability to make intelligent load balancing decisions.

• ...read more

An iRule can be written to redirect a URI to a different location.

• Use the HTTP::redirect command to specify the new URI

• Use the HTTP_REQUEST event to trigger the iRule

• Example: when HTTP_REQUEST {HTTP::redirect "http://newlocation.com"}

Virtual servers are software-based while nodes are physical devices.

• Virtual servers are created by partitioning a physical server into multiple virtual machines.

• Nodes are individual physical devices that are connected to a network.

• Virtual servers can be easily created, cloned, and deleted while nodes require physical installation and configuration.

• Virtual servers can be easily moved between physical servers while nodes...read more

Traffic inspection of checkpoint firewall involves analyzing network traffic for security purposes.

• Checkpoint firewall inspects traffic at the application layer to identify and block malicious traffic

• It uses various security mechanisms such as stateful inspection, deep packet inspection, and intrusion prevention system

• Traffic can be inspected based on source/destination IP, port, protocol, and content

• Logs are generated...read more

OSI is a theoretical model while TCP is a practical protocol.

• OSI has 7 layers while TCP has 4 layers.

• OSI is a reference model while TCP is a communication protocol.

• OSI is not implemented in practice while TCP is widely used.

• OSI is used for teaching and understanding while TCP is used for actual communication.

• Examples of OSI layers are physical, data link, network, transport, session, presentation, and application.

• Examp...read more