Networking Interview Questions

Listed here are the fundamental interview questions for that network managers, system managers also it manager posts. These questions supply the fundamental details about the network communication technology, network topologies, network troubleshooting techniques, network products and also the fundamental summary of the LAN - WAN communication model.

What's DHCP?

DHCP means Dynamic Host Configuration Technology. The fundamental reason for the DHCP would be to assign the IP addresses and also the other network configuration for example DNS, Gateway along with other network configurations towards the client computer systems. DHCP cuts down on the administrative task of by hand setting the IP addresses towards the many the computer systems inside a network.

What's DNS and just how it really works?

DNS means Domain title system also it translates (converts) the host title in to the Ip and Ip into towards the host title. Every domain and also the computer on the web is designated a distinctive Ip. The communication on the web and within the network is dependant on the IP addresses. IP addresses have been in this format 10.1.1.100, 220.12.1.22.3, 1.1.1.1 etc. IP addresses can not be appreciated however the host names are simple to remember rather than their IP addresses.

Exactly what is a Firewall?

Firewall is really a protective boundary for any network also it prevents the unauthorized use of a network. The majority of the Home windows operating-system for example Home windows XP Professional has generated-in firewall utilities. You will find the many the 3rd party firewall program and also the fundamental purpose of all of the firewall hardware and software is same i.e. to bar the unauthorized user use of a network.

What's WAN?

WAN means wide area network also it covers the larger physical area. Essentially you will find three kinds of a pc network LAN (Lan), Guy (Metropolitan Area Network) and WAN (Wide Area Network). The communication inside a WAN is dependant on the Hubs. A WAN network can cover a town, country or continents.

Define Voice over internet protocol Communication Technology

Voice over internet protocol means Voip which technologies are employed for sent the voice-over the IP based lengthy distance network to create telephone calls. Voice over internet protocol telephone calls are extremely cheap and a lot of the organization offices and residential customers are utilizing Voice over internet protocol technology to create lengthy distance telephone calls.

What's Wi Max Technology?

Wi Max is really a wireless broadband technology which is a advance form of the Wi Fi (that was basics band technology). Wi Max supports data, audio and video communication simultaneously in a high accelerate to 70 Megabyte per second.

Define Network Gateway

Network Gateway could be software or perhaps a hardware. A gateway is generally a joining reason for a network i.e. it connects two systems. A pc with two LAN cards can behave as a gateway.

Exactly what is a Router?

A router routes the visitors to its destination in line with the source and destination IP addresses, that are put into the routing software referred to as routing table.

How Fiber Optic Cable Works

Fiber optics offers the quickest communication medium for data and voice. Data can travel in the speed of sunshine with the fiber optic cables. ISPs and company offices are often associated with one another using the fiber optic cables to supply high-speed connectivity.

What's File Server?

Personal files server is really a computer inside a network that authenticates the consumer access inside a network for example Home windows 2000/2003 Servers.

Define Seven Layers of OSI Model

You will find seven layers from the OSI model. The fundamental reason for these layers would be to comprehend the communication system and knowledge transmission steps. The seven layers are Application, Presentation, Session, Transport, Network, Data Link and Physical. You remember fondly the title of those layers with this phrase. "Everybody appears to want information systems".

Define GSM Technology

GSM is really a short range wireless technology and it is usually utilized in the cell phones, hands help products, Audio players, Laptops, computer systems as well as in cars.