A backup or the process of backing up - making copies of data so that these additional copies may be used to restore the original after a data loss event.
Backups have two distinct purposes. The primary purpose is to recover data as a reaction to data loss, be it by data deletion or corrupted data. Data loss is a very common experience of computer users. 67% of Internet users have suffered serious data loss. The secondary purpose of backups is to recover data from a historical period of time within the constraints of a user-defined data retention policy. Though backups popularly represent a simple form of disaster recovery, and should be part of a disaster recovery plan, by themselves, backups should not alone be considered disaster recovery.
Since a backup system contains at least one copy of all data worth saving, the data storage requirements are considerable. Organising this storage space and managing the backup process is a complicated undertaking. A data repository model can be used to provide structure to the storage. In the modern era of computing there are many different types of data storage devices that are useful for making backups. There are also many different ways in which these devices can be arranged to provide geographic redundancy, data security, and portability.
Before data is sent to its storage location, it is selected, extracted, and manipulated. Many different techniques have been developed to optimise the backup procedure. These include optimisations for dealing with open files and live data sources as well as compression, encryption, and de-duplication, among others. It is also important to recognise the limitations and human factors involved in any backup scheme
The most common data recovery scenario involves an operating system failure, malfunction of a storage device, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the goal is simply to copy all wanted files to another drive. This can be easily accomplished using a Live CD, many of which provide a means to mount the system drive and backup drives or removable media, and to move the files from the system drive to the backup media with a file manager or optical disc authoring software. Such cases can often be mitigated by disk partitioning and consistently storing valuable data files (or copies of them) on a different partition from the replaceable OS system files.
A computer can crash in several ways - sometimes the screen freezes and you get a "Not Responding" message which usually means you have to close the programs you have open or restart your computer manually, and sometimes you are struck by the more serious operating system crash, such as the Windows "blue screen of death".
The Blue Screen of Death, or more properly the 'Windows stop message' occurs when Windows detects a problem or error from which it cannot recover. The operating system halts and diagnostic information is displayed on a blue screen. In newer versions of the operating system, the contents of the PC's memory are dumped to a file for later analysis.
This can result in your computer failing to load, and in some cases your programs or saved data may be lost. We can help recover your data and troubleshoot your computer in order to solve the problem. It is important to regularly backup your data (see Data back-up, above ) in order to minimise the risk of losing data if your computer crashes.
It is important to secure your network to stop unauthorised devices from connecting to it. You don't want anyone with a laptop to be able to come in to your building (or even sit in a car outside it!) and access your Internet, files or hardware devices (such as a printer).
The first line of defense for your Wi-Fi network is encryption, which encodes the data transmitted between your PC and your wireless router. Make sure you change the default network name and password on your router. Doing so will make it much more difficult for hackers to break into your router and commandeer its settings.
The firewall built into your router prevents hackers on the Internet from getting access to your PC. But it does nothing to stop people in range of your Wi-Fi signal from getting onto your network--and with the latest high-performance equipment, your Wi-Fi signal could reach right down the road. Without encryption and other protective measures, anyone can use readily available tools to see all your Wi-Fi traffic. For extra protection, you should run software firewalls on the individual PCs on your network.
The best way to protect a public wireless link is by using a virtual private network, or VPN. VPNs keep your communications safe by creating secure "tunnels" through which your encrypted data travels.
A computer network, often simply referred to as a network, is a collection of computers and devices interconnected by communications channels that facilitate communications among users and allows users to share resources.
They can be used for a variety of reasons, including facilitating communications (e.g. email), sharing hardware (e.g. printers), sharing files, data & information, sharing software, information preservation and security.
Wireless networks are networks that are not connected by cables of any kind. They are a method by which telecommunications networks and enterprise (business), installations avoid the costly process of introducing cables into to a building, or as a connection between various equipment locations. Wireless telecommunications networks are generally implemented and administered using a transmission system called radio waves. This implementation takes place at the physical level, (layer), of the network structure.
Wireless networks must be secured by using WPA-PSK or WPA2 encryption standards that prevent others from intercepting or altering data in transit. Speak to one of our analysts to get your network secured.
Wired networks are typically faster than wireless networks, and they can be very affordable. However, the cost of Ethernet cable can add up - the more computers on your network and the farther apart they are, the more expensive your network will be. There are three basic systems people use to set up wired networks. An Ethernet system uses either a twisted copper-pair or coaxial-based transport system. The most commonly used cable for Ethernet is a category 5 unshielded twisted pair (UTP) cable - it's useful for businesses who want to connect several devices together, such as computers and printers, but it's bulky and expensive, making it less practical for home use. A phone line, on the other hand, simply uses existing phone wiring found in most offices and homes, and can provide fast services such as DSL. Finally, broadband systems provide cable Internet and use the same type of coaxial cable that gives us cable television.
Wired connections have to be physically protected in order to stop interception as bandit users can simply plug into neglected live sockets etc.
Our prices are calculated on capacity of data backed up and type of restore - contact us for multiple backup pricing.
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