IT Engineer 2 Interview Questions and Answers

Ethernet cables are color coded to easily identify different types of cables and their purposes.

• Ethernet cables typically use four pairs of colors: orange, green, blue, and brown.

• Each pair consists of a solid color wire and a striped wire of the same color.

• The color coding helps in identifying the correct wiring sequence for connecting devices.

• For example, a common color coding for Ethernet cables is: orange-white, orange, green-white, blue, blue-white, green, brown-white, br...read more

DHCP stands for Dynamic Host Configuration Protocol. It is used in servers to automatically assign IP addresses to devices on a network.

• DHCP eliminates the need for manual IP address configuration, making network management easier.

• It helps in efficient utilization of IP addresses by dynamically assigning them to devices as needed.

• DHCP also provides other network configuration information such as subnet mask, default gateway, and DNS server.

• Example: When a new device joins a n...read more

DNS stands for Domain Name System. It is important as it translates domain names into IP addresses, allowing users to access websites easily.

• DNS helps in translating human-readable domain names into machine-readable IP addresses.

• It plays a crucial role in the functioning of the internet by enabling users to access websites using domain names.

• DNS also helps in load balancing, redundancy, and security by directing traffic to the appropriate servers.

• Examples: When you type 'www....read more

Active Directory is a directory service that stores information and manages resources in a network environment.

• Centralized database for managing users, computers, and other network resources

• Provides authentication and authorization services

• Organizes objects in a hierarchical structure

• Supports group policies for controlling user access and permissions