Tech Mahindra Senior Systems Engineer Interview Questions, Process, and Tips

DHCP is a network protocol that assigns IP addresses to devices on a network. There are two types of DHCP: DHCPv4 and DHCPv6.

• DHCP stands for Dynamic Host Configuration Protocol.

• DHCPv4 is used for assigning IPv4 addresses, while DHCPv6 is used for assigning IPv6 addresses.

• DHCP DORA process stands for Discover, Offer, Request, Acknowledge.

• Discover: Client broadcasts a DHCP Discover message to find available DHCP servers.

• ...read more

OU stands for Organizational Unit, used to organize objects within a domain. ADC stands for Active Directory Connector, used to synchronize data between on-premises AD and Azure AD.

• OU is a container within a domain used to organize objects like users, groups, and computers.

• OU helps in delegating administrative tasks and applying Group Policies.

• Example: Sales department can have its own OU with specific users and polici...read more

APIPA stands for Automatic Private IP Addressing, a feature in Windows that automatically assigns IP addresses to computers when DHCP server is not available.

• APIPA is a feature in Windows operating systems that automatically assigns IP addresses in the range of 169.254.0.1 to 169.254.255.254 when a DHCP server is not available.

• It is commonly used in small home or office networks where a DHCP server is not present.

• APIPA...read more

OSPF and BGP are routing protocols used in networking to determine the best path for data packets to travel.

• OSPF (Open Shortest Path First) is an interior gateway protocol used to exchange routing information within an autonomous system.

• BGP (Border Gateway Protocol) is an exterior gateway protocol used to exchange routing information between different autonomous systems.

• OSPF uses link-state routing algorithm to calcula...read more

The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.

• Layer 1 - Physical layer: Deals with physical connections and transmission of raw data over a physical medium (e.g. cables, fibers).

• Layer 2 - Data Link layer: Responsible for node-to-node communication, error detection, and flow control (e.g. Ethern...read more