Crack the Code: Top Network Admin and NOC Technician Interview Questions and Expert Answers

Prepare for success in your Network Administration and NOC (Network Operations Center) Technician interviews with our comprehensive guide. We’ve curated a collection of the top interview questions commonly asked in these roles, along with expertly crafted answers to help you navigate the interview process with confidence. Whether you’re a seasoned professional aiming for advancement or a newcomer entering the field, this resource equips you with the knowledge and strategies needed to excel in your interviews and secure your desired position in network management and operations.
0:00 Introduction
0:49 Can you tell us about yourself?
1:38 What is a Firewall?
2:01 What is TCP/IP?
2:39 Can you explain the difference between HTTP and HTTPS?
3:23 What is a proxy or proxy server?
3:55 Can you explain what UDP is?
4:35 What is the loopback IP address?
5:10 What is DHCP?
5:57 What is FTP/ and port used?
6:26 What is SSH/ and port used?
7:06 What is the maximum length of UTP cable allowed?
7:33 What are the layers of OSI model and how many?
8:00 What is the job of Network Layer?
8:28 Can you name different types of network cables?
9:06 What is a Subnet Mask?
9:33 Can you tell me the difference between a Workgroup and a Domain?
10:16 How would you determine connection path between local host and a server?
10:53 Can you explain IPCONFIG?
11:27 What is VPN?
11:55 Why should we hire you?
13:33 Can you tell me about yourself!
14:55 Do you know what BGP ISR
15:27 How would you explain what TCP/IP is
16:18 Can you explain what VLAN IS!
17:30 Would you consider yourself as a team player
21:44 What is a Network Switch
22:43 If you came across a situation in which you could not resolve an issue, what would you do
23:17 Can you explain a 3 Way Handstaker
26:29 How would you test the delay and route of packets between two connections?
27:18 What is Route Poisoning

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