Before moving further into the article, let me give you a brief introduction of a Network. Well, a network is a group of interconnected computers. It is designed to give staff in an organization access to files, documents, business applications, corporate systems, email, internet, printers and other devices. A network manager is a person who is responsible for maintain an organization’s computer network system. He or she designs, installs and monitors the network of an organization.
Listed below are some common interview questions that come up again and again during interviews for the post of Network Manager.
1. What is the difference between a hub, a switch, and a router?
A hub is a small, simple, low-priced device that joins multiple computers together. A switch is a small hardware device that joins multiple computers together within one local area network (LAN) and they operate at layer 2 of the OSI model. Routers are the physical devices that join multiple wired or wireless networks together and they operate at layer 3 of OSI model.
2. What is the difference between TCP and UDP?
TCP is acronym of transmission control protocol whereas UDP is short-form of user datagram protocol. TCP is a connection oriented protocol in which a connection is made between client and server but UDP is a message based connectionless protocol. TCP is reliable, ordered and heavyweight whereas UDP is unreliable, not ordered and lightweight.
3. Please tell us some job specific tasks that you have performed in your previous organization?
The profession specific tasks that I have performed include installing the original, new version software, keeping record of all the changes to the network environment, managing local area network and providing backup. I had also supervised all the activities on the network and developed management information solutions by using business objects.
4. What are your technical and non-technical skills?
Well, I have 8 year experience as network manager. During the entire course of my profession I have acquired various technical and non-technical skills. I have gained good logical and technical knowledge of networking and software. I have intensive knowledge of Oracle database systems, design, crystal reports and .NET. Apart from this, I have excellent communication and interpersonal skills and I have the ability to function successfully in both team and independent work environments.
These are some of the frequently asked interview questions. I hope now you will not face any problem in answering the above questions.