EbixCash Limited Senior Network Engineer Interview Questions and Answers

VPC (Virtual Private Cloud) is a virtual network in the cloud that allows users to securely connect their resources.

• VPC provides isolated networking environment in the cloud

• Users can define their own IP address range, subnets, and route tables

• VPC allows creation of public and private subnets

• Network Access Control Lists (ACLs) and Security Groups can be used to control inbound and outbound traffic

• VPC peering enables con...read more

IPSec is a protocol suite used to secure IP communications by authenticating and encrypting each IP packet.

• IPSec operates at the network layer of the OSI model.

• It provides data confidentiality, integrity, and authentication.

• IPSec uses two main protocols: Authentication Header (AH) and Encapsulating Security Payload (ESP).

• During tunnel formation, the following packets are exchanged: IKE Phase 1 Main Mode, IKE Phase 1 Ag

Answers to questions related to network administration including firewall, NAT control, OSI, TCP flags, VPN and encryption techniques.

• Post 8.2 firewall versions have improved features and security compared to pre 8.2 versions

• NAT control is a feature that allows or denies traffic based on NAT rules

• S NAT is a type of NAT that translates the source IP address of a packet and persistence in F5 refers to maintaining a clien...read more

DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP is used to manage and distribute IP addresses in a network

• It allows devices to obtain IP addresses dynamically instead of manually configuring them

• DHCP also provides other network configuration information like subnet mask, default gateway, and DNS server addresses

• MAC (Media...read more