Network Administrator Interview Questions and Answers

Network Administrator Interview Questions and Answers

A Network administrator maintains computer infrastructures with emphasis on networking. Responsibilities may vary between organizations, but on-site servers, software-network interactions as well as network integrity/resilience are the key areas of focus.Network administration involves a wide array of operational tasks that help a network to run smoothly and efficiently. Without network administration, it would be difficult for all but the smallest networks to maintain network operations.

The main tasks associated with network administration include:

  • Design, installation and evaluation of the network
  • Execution and administration of regular backups
  • Creation of precise technical documentation, such as network diagrams, network cabling documents, etc.
  • Provision for precise authentication to access network resources
  • Provision for troubleshooting assistance
  • Administration of network security, including intrusion detection.

What is a network administrator?

What are the job duties of a network administrator?

What is the difference between a hub and a switch?

How is UDP different from TCP?

How a network maintenance operation is made?

Are you familiar with network architecture?

How do you perform system maintenance?

What would you say characterizes a professional network administrator?

What types of networks do have the most experience working with as a network administrator?

Can you describe a firewall and how it should be used?

What is the meaning of a database server?

What is the Routing Information Protocol or RIP?

What is SAP?

What is DHCP?

What is a TCP three-way handshake?

What is VLAN?

What does 255.255 mean?

What is Network Configuration Management?

What are advantages of network configuration management include?

What is RPC?

What is ROS?

Why would you create logon scripts?

What is the difference between Single Mode and Multimode Fiber?

What is ARP?

What is EFS?

What is Boot to LAN?

What does 10Base-T mean?

Do you difficult for a network administrator to stay so much in front of the computer?

Explain about Encryption, Encoding, Hashing and Obfuscation?

What are the differences between Local, Global and Universal Groups?

What does it mean when you receive an NTFS Error: 5?

What is the difference between multimode and single mode fiber?

How do I know what type of fiber I need?

What is /etc/passwd?

What is the difference between a hub and a switch?

What is FTP and what port does it use?

What is HTTP?

What is TCP/IP?

What is DNS?

What is IPX?

What is ICMP?

What is AppleTalk?

What is Bonjour?

What is Proxy Server?

What are 127.0.0.1 and localhost?

What is Two-factor authentication?

How can we explain the following terms: gateway and router?

What is the way in which the Asynchronous Transfer Mode works?

What is PDU?

What is RARP?

What is ARP?

Which are the tools you carry usually for troubleshooting?

What is the meaning of FTP and TFTP application layer protocols?

What is broadcast storm?

What does Network Traffic mean?

What types of Transmission media do exist?

Explain a Database server?

What is the difference between RDP and KVM?

Why would you use external media such as Tapes or Hard Disks for Backups?

What is Terminal Services?

What is a shadow copy?

What is EFS?

What is the difference between ifconfig and ipconfig?

What is difference between domain and workgroup?

What is telnet?

What is sticky in port security?

What is EFS?

What does it mean to boot from LAN?

What is SNMP?

How can we explain what a Protocol Data Unit is?

Can you explain about the biggest error that you have made as a network administrator?

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