System Administrator 2 Interview Questions and Answers

A switch is a networking device that connects devices on a local area network (LAN). A hub is a simpler device that broadcasts data to all connected devices. Subnetting is dividing a network into smaller subnetworks. Configuring a router involves setting up IP addresses, routing protocols, and security settings.

• A switch is more intelligent than a hub as it can direct data to specific devices based on their MAC addresses.

• Hubs broadcast data to all connected devices, which can ...read more

IT infrastructure refers to the hardware, software, networks, and facilities required to support an organization's IT environment.

• Hardware: Servers, computers, storage devices

• Software: Operating systems, applications, databases

• Networks: Routers, switches, firewalls

• Facilities: Data centers, power supply, cooling systems

• Requirements: Scalability, reliability, security, performance

• Examples: Setting up a server room, configuring network infrastructure

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Active Directory is used to manage and organize resources in a network environment.

• It provides a centralized database for storing and managing information about network resources such as users, computers, and printers.

• Active Directory uses a hierarchical structure with domains, trees, and forests to organize network objects.

• It enables administrators to control access to resources, enfor...read more

A firewall is a network security device that monitors and controls incoming and outgoing network traffic.

• Firewalls act as a barrier between internal and external networks, filtering traffic based on predefined rules.

• They can be hardware or software-based.

• Firewalls can be configured to allow or block specific types of traffic, such as certain ports or protocols.

• They provide protection against unauthorized access, malware, and other network threats.

• Examples of firewall configur...read more