Network & System Administrator

Network & System Administrator Interview Questions and Answers

Updated 9 Dec 2024

Q1. What is the process of onboarding process for employee in company

Ans.

The onboarding process for employees involves orientation, training, setting up accounts, and introducing them to company culture.

Orientation session to introduce company policies and procedures
Training on job responsibilities and tools/software used in the company
Setting up accounts for email, network access, and other necessary systems
Introducing the new employee to their team members and company culture
Providing necessary resources and support for a smooth transition

Q2. Do you have any basic knowledge about windows server?

Ans.

Yes, I have basic knowledge about Windows Server.

Familiar with Windows Server operating system
Able to perform basic server administration tasks
Knowledge of Active Directory, DNS, DHCP, and Group Policy
Experience with server virtualization (e.g. Hyper-V)
Understanding of server security best practices

Q3. What is the role of active directory

Ans.

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

Centralized management of network resources
Authentication and authorization of users and computers
Organizes objects like users, computers, and printers into a hierarchical structure
Enables administrators to assign policies, deploy software, and apply critical updates to all devices in the network
Supports single sign-on for users to access multiple applications with one set of credential...read more

Q4. What do you mean by DNS

Ans.

DNS stands for Domain Name System, which translates domain names to IP addresses.

DNS is like a phone book for the internet, translating domain names (like google.com) to IP addresses (like 172.217.3.206).
It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.
DNS servers store records of domain names and their corresponding IP addresses, allowing for efficient internet navigation.

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Q5. How to handle asset management

Ans.

Best practices for asset management include regular audits, centralized tracking, documentation, and security measures.

Perform regular audits to ensure all assets are accounted for and up-to-date
Utilize centralized tracking systems to monitor asset locations, status, and usage
Maintain detailed documentation of all assets, including purchase dates, warranties, and maintenance records
Implement security measures such as asset tagging, access controls, and encryption to protect v...read more

Q6. Any systems related issue to resolve

Ans.

Resolving network connectivity issues

Check network cables and connections
Restart network devices
Check firewall settings
Run network diagnostic tools
Update network drivers

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Q7. What is firewall

Ans.

A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Acts as a barrier between a trusted internal network and untrusted external network
Filters network traffic based on rules set by the administrator
Can be hardware-based or software-based
Examples include Cisco ASA, Palo Alto Networks, and Windows Firewall

Q8. What is the subnet.

Ans.

A subnet is a smaller network within a larger network that has its own unique IP address range.

Subnets are created by dividing a larger network into smaller ones.
Each subnet has its own unique IP address range.
Subnets help to improve network performance and security.
Subnetting is the process of dividing a network into subnets.
Subnet masks are used to identify the network and host portions of an IP address.

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Q9. Explain EIGRP

Ans.

EIGRP is an advanced routing protocol used in computer networks to efficiently exchange routing information.

EIGRP stands for Enhanced Interior Gateway Routing Protocol.
It is a Cisco proprietary protocol.
EIGRP uses a combination of distance vector and link-state routing protocols.
It supports both IPv4 and IPv6 networks.
EIGRP uses the Diffusing Update Algorithm (DUAL) to calculate the best path for routing.
It provides fast convergence and load balancing capabilities.
EIGRP uses ...read more