L&T Technology Services Technical Lead Interview Questions, Process, and Tips

DHCP is a protocol that assigns IP addresses to devices on a network.

• DHCP server receives a request from a device for an IP address

• DHCP server offers an available IP address to the device

• Device accepts the offered IP address and sends a request to lease it

• DHCP server acknowledges the lease request and assigns the IP address to the device

• Device uses the assigned IP address to communicate on the network

Bandsteering is a technique used in wireless networks to steer clients to the best available frequency band.

• Bandsteering is used to optimize network performance by balancing client load across different frequency bands.

• It can be implemented through various methods such as signal strength, client capabilities, and network congestion.

• For example, if a client device supports both 2.4GHz and 5GHz bands, bandsteering can be...read more

WPA3 is a Wi-Fi security protocol that provides stronger encryption and authentication than its predecessor WPA2.

• WPA3 uses Simultaneous Authentication of Equals (SAE) instead of Pre-Shared Key (PSK) for password-based authentication.

• It also supports 192-bit encryption for stronger protection against brute-force attacks.

• WPA3 introduces Opportunistic Wireless Encryption (OWE) for open Wi-Fi networks, providing encryption...read more

Roaming technology allows a mobile device to connect to a different network while maintaining its existing phone number and other settings.

• Roaming is used when a mobile device is outside of its home network coverage area.

• The device connects to a different network and uses its services.

• Roaming can be expensive, as the user may be charged for using the other network's services.

• Roaming can also be limited by the user's mo...read more