Administrator L2
Administrator L2 Interview Questions and Answers
Q1. MAC, IP address difference
MAC address is a hardware address assigned to network devices, while IP address is a logical address used for communication.
MAC address is a unique identifier assigned to network interfaces for communication at the data link layer.
IP address is a logical address assigned to devices for communication at the network layer.
MAC address is fixed and tied to the hardware, while IP address can be dynamic and assigned by a network administrator.
Example: MAC address - 00:1A:2B:3C:4D:5...read more
Q2. DNS explain nicely
DNS is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.
DNS stands for Domain Name System
It translates domain names (e.g. www.google.com) to IP addresses (e.g. 172.217.3.206)
DNS servers store records like A (IPv4 address), AAAA (IPv6 address), CNAME (canonical name), MX (mail exchange), etc.
DNS resolution process involves recursive and iterative queries
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