Archive for the ‘Computer Networking’ Category
Cisco IP Telephony design specialist certification is designed for such individuals who want to build IP telephony networking solutions. It develops a converged, scalable, QOS, MGCP, H.232 and voice mail system.
Multicast routing concentrates on the delivery of information to various destinations without transmission of multiple copies or link. This process is performed for the intention of resource optimization. Common applications include broadcasting and audio visual conferencing, e-commerce system and negotiation, replicated database, online games, and querying.
Various types of computer networking books can be downloaded on the internet. However, only few quality books cover general computer networking subjects. Here, I would like to give you a brief overview of some computer networking books that will help you to choose the best ones.
It does not make any difference whether you are thinking to establish your network at one place or across multi places. For the set up of successful enterprise network infrastructure, you need careful analysis and planning for it. It is better to hire the services of the network contractor who will take review of the requirements of enterprise network. In this respect, there is need of individual location and examine the specific needs that are essential for the set of effective enterprise network.
Security: Security is the main sensitive issue that should be considered at first priority especially when you are making planning for enterprise network infrastructure. Try to adjust wiring in closet secure because anyone who has access to this closet can easily dismantle that network any time.
Cooling: Server equipment and network accessories create much heat and they are liable to set down at extreme heat. Try to manage an effective cooling system like air conditioning unit before the set up of any type of enterprise network structure.
Wireless: Wireless network is known as WiFi network where you need to select the standard of wireless such as .11a, 802.11b, 802.11g, or 802.11h in accordance to the needs of the network. There are some new standards of these wirelesses that provide high transfer speed and quick access. The wireless standard should be selected on the base of fat or thin client base.
Overwire: In many buildings, wired is placed above the ceilings and then these wires are dropped on the walls. It is recommended to double drop the wire at the time of drop because wire installation requires high cost of labor. If you want to give network connection everywhere, you need to use two drops wire. It is performed when you annex the network devices. It is wise to install network drop when you try to anticipate the diagnostic equipment as it will facilitate the future interface requirements.
Electricity: It is good practice to hire the services of the certified electrician for the installation of your network servers and circuit. Common wire Cat 5 e has either T568B or T568A standard, select anyone and install same wire in the entire network enterprise infrastructure. The Cat 6 wire is the new standard and a bit expensive but it will provide you reliability and redundancy in the transfer of data. Use fiber optic for long distance as this cable can transfer more information and low chance of disturbance. However, fiber optics is very expensive and you need to install it where there is need of connection between remote offices. Copper wires are installed for the telephone communication, as the closet of these wires does not contain long segments that are limited to hundred meters only.
Wide area network is the right solution if you want to create connection between remote offices. You can hire the services of your local ISP services provide for the access of wide area network.
Network Topology:
There are different types of network topologies like star or bus topologies. However large enterprise network infrastructure prefers centralized or distributed network topology in accordance to the set up of their organizations. In Centralized approach, it is easy to maintain security and control over users’ access.
Local Phone Service: It is better to hire the services of technicians for the implementation of technological offering in your area. Some important things include point to point, T1 lines, metropolitan network and some others. You need to resolve all these issues to local phone company.
Fiber Backbones: Local utilities can easily maintain fiber backbones that are essential for the access of high speed bandwidth among offices.
The cost of enterprise network infrastructure proves lower in new building because you can set up wire system and other network design in accordance to your requirements. Whatever you want, it is better to take in review all these points so that you can set up a successful network infrastructure.
Network administrator always wants to simplify his routine work for the maintenance of good network. Different types of network administration software are designed to handle network management in efficient way. The use of the network administration software is based on the level of knowledge and requirements of the firm.
Network design and management is an iterative procedure that encompasses network synthesis, topological design and network realization. It aims to design such a network that can meet the needs of operator or subscriber. The process of network planning is very important before the establishment of new network or service.
Computer network accessories are essential in the successful creation and maintenance of network. Before set up, it is necessary to know about latest tools and hardware compatibility with your machine.
If you research on internet regarding the best network accessories, it makes you confuse to select the best products in the comprehensive collections of the products listed on different website for sale. Here I would like to give you overview of some essential network accessories that help you to buy relevant products.
Computer cables:
In the network installation, there is need of different cables like USB cables, power cables, monitor cables and drive cables. It is better to take a review of these cables to find the best solution that can provide you efficient connectivity. Try to buy the following cable such as DVI cables, CD-Rom cables, Drive cables, KVM cables, modem cable, multimedia cable, ribbon cable and shield cable.
Network Cabling:
Connectors and quality cables are essential to provide full potential to networks. Connectors, jacks, bulk network cable, RJ 45 connector, modulator adaptor, and patch panels must be bought for fast and efficient running of network.
Network hardware:
Quality network hardware makes your network performance reliable and efficient. Network hardware includes routers, hub and switches, network cards, media convertor, print server,10 mini Rack hardware and network storage.
Installation Accessories:
Hardware and repairs must be included in the list of network accessories. These accessories includes external boxes, CPU fans, pc cases logos, power strips, screws, heat sink compound locks, case brackets and wire and Velcro ties.
Voice cable:
Different type of voice cables include telephony cable, modular cable, cellar accessories, cordless phone batteries, 66 block accessories and modular/wall jack.
Security accessories:
Security accessories are essential to maintain a network security that saves it from unexpected events. Network security accessories include cameras, DVD cards, DVR download cards, magnetic contact switch and installation accessories.
Video or audio cable:
Video and audio cables are essential for optimal listening and entertainment. You can browse different types of connectors and cables related to audio and video data transfer. Voice or audio cable is 2.5 mm cable, RCA cable, adaptor cable, ¼ XLR cable, bulk speaker component cable, HCMI cable and adaptor coaxial cable, TV accessories, DSS accessories, cable clips, splitters, and MP3 accessories.
The purchase of network accessories is a complicated process. Many people waste their time and money in the purchase of network accessories because they do not much about it. This article aims to provide information about the usage of necessary network accessories used in small to medium networks. Cisco is the popular name that provides high quality network accessories to consumers in cost effective price. You can get installation guide and list of network accessories for the ease of non professional people. All you need to do is prepare the comprehensive list of these network accessories along with their price. It will help you to estimate the budget and insight of risks involved in the installation of network process.
Computer Networking can be defined as an engineering discipline which involves the interaction between computer devices and computer systems. Computer networking can also be considered as a discipline of computer science, computer engineering, telecommunications and information technology.
A firewall helps in securing your computer system from hackers and intruders. Nowadays, internet has become a very insecure place to work with. If you do not take appropriate measures to combat these hackers and virus, you will be under serious problem and threat. The threat comes from infected virus, Trojans, key loggers, spyware and other types of malware. If your computer is hacked, this may mean a transfer of all your personal information to the hacker and more like a disruption of your computer software, operating system and hard drive files.