Here are the essential inquiries for the system heads, framework directors and IT supervisor posts. These inquiries give the fundamental data about the system correspondence innovation, organize topologies, arrange investigating methods, organize gadgets and the essential diagram of the LAN – WAN correspondence model. global entry interview
What is DHCP?
DHCP represents Dynamic Host Configuration Technology. The fundamental motivation behind the DHCP is to allocate the IP addresses and the other system design, for example, DNS, Gateway and other system settings to the customer PCs. DHCP decreases the managerial undertaking of physically allocating the IP delivers to the enormous number of the PCs in a system.
What is DNS and how it functions?
DNS represents Domain name framework and it deciphers (changes over) the host name into the IP address and IP address into to the host name. Each area and the PC on the web is appointed a one of a kind IP address. The correspondence on the web and in the system depends on the IP addresses. IP locations are in this arrangement 10.1.1.100, 184.108.40.206.3, 220.127.116.11 and so forth. IP locations can’t be recalled yet the host names are anything but difficult to recollect rather than their IP addresses.
What is a Firewall?
Firewall is a defensive limit for a system and it forestalls the unapproved access to a system. The vast majority of the Windows working framework, for example, Windows XP Professional has worked in firewall utilities. There are the huge number of the outsider firewall programming and the essential motivation behind all the firewall programming and equipment is same for example to obstruct the unapproved client access to a system.
What is WAN?
WAN represents wide zone system and it covers the more extensive topographical territory. Fundamentally there are three kinds of a PC arrange LAN (Local Area Network), MAN (Metropolitan Area Network) and WAN (Wide Area Network). The correspondence in a WAN depends on the Routers. A WAN system can cover a city, nation or landmasses.
Characterize VOIP Communication Technology
VOIP represents Voice over IP and this innovation is utilized for transmitted the voice over the IP based long separation system to make telephone calls. VOIP telephone calls are extremely modest and an enormous number of the corporate workplaces and home clients are utilizing VOIP innovation to make long separation telephone calls.
What is Wi Max Technology?
Wi Max is a remote broadband innovation and it is a development state of the Wi Fi (which was a base band innovation). Wi Max bolsters information, video and sound correspondence simultaneously at an extremely fast up to 70 Mbps.
Characterize Network Gateway
System Gateway can be programming or an equipment. An entryway is generally a joining point in a system for example it interfaces two systems. A PC with two LAN cards can go about as a portal.
What is a Router?
A switch courses the traffic to its goal dependent on the source and goal IP addresses, which are put in the directing programming known as steering table.
How Fiber Optic Cable Works
Fiber optics gives the quickest correspondence medium to information and voice. Information can go at the speed of light through the fiber optic links. ISPs and corporate workplaces are generally associated with one another with the fiber optic links to give fast availability.