Network Technician Interview Questions and Answers

An IP address is a unique numerical label assigned to each device connected to a computer network.

• IP addresses are used to identify and locate devices on a network.

• There are two types of IP addresses: IPv4 (e.g. 192.168.1.1) and IPv6 (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334).

• IP addresses can be static (manually assigned) or dynamic (assigned by a DHCP server).

A VLAN (Virtual Local Area Network) is a logical grouping of devices on a network that share the same broadcast domain.

• VLANs help to segment network traffic for security and performance reasons

• Devices in different VLANs cannot communicate with each other without a router

• VLANs are often used to separate departments or functions within an organization

• VLANs can be configured on switches to create separate broadcast domains