Archive for the ‘Computers’ Category
Tuesday, January 19th, 2010
Groshan Fabiola asked: Network management may mean different things to different people. To some network management may be a solitary network consultant monitoring network activity with an outdated protocol analyzer, to others network management may be about distributed database, high-end workstations generating and traffic. Speaking generally, network management is a ...
Posted in Computers | Comments Off
Thursday, December 31st, 2009
Derek Rogers asked: When you are in a situation where you need to make sure that several computers are networked together and then to still be able to communicate with the outside world, you will find that of course you turn to a router for help. Routers have become such ...
Posted in Computers | Comments Off
Thursday, May 7th, 2009
Don R. Crawley asked: Copyright (c) 2008 Don R. CrawleyA site-to-site virtual private network (VPN) allows you to maintain a secure "always-on" connection between two physically separate sites using an existing non-secure network such as the public Internet. Traffic between the two sites is transmitted over an encrypted tunnel to ...
Posted in Computers | No Comments »
Thursday, April 23rd, 2009
Don R. Crawley asked: Copyright (c) 2008 Don R. CrawleyPrior to the introduction of SSH in the Cisco IOS, the only remote login protocol was Telnet. Although quite functional, Telnet is a non-secure protocol in which the entire session, including authentication, is in clear text and thus subject to snooping.SSH ...
Posted in Computers | No Comments »
Friday, August 1st, 2008
George Chao asked: Configuring an ASDL router with a local area network is no longer the exclusive domain of computer savvy network administrators and technicians. Routers are becoming increasingly easier to set up according to anyone's specific needs. Many of these network devices offer an online feature that allows the ...
Posted in Computers | No Comments »
Wednesday, May 21st, 2008
B. Bashir asked: Computer Networking Interview QuestionsHere are the basic interview questions for the network administrators, system administrators and IT manager posts. These questions provide the basic information about the network communication technology, network topologies, network troubleshooting techniques, network devices and the basic overview of the LAN/WAN communication model.What is ...
Posted in Computers | No Comments »
Friday, April 18th, 2008
Sterling Christian asked: Expanding the capacity of any high bandwidth network is always an involved process. The actual cost of upgrade hardware and the task of physically installing RAM memory into your Cisco routers' expansion slots is simple enough, but most high-capacity data networks serve production environments which demand fault-tolerance ...
Posted in Computers | No Comments »
Friday, February 22nd, 2008
Don R. Crawley asked: Copyright (c) 2008 Don R. CrawleyNetwork Address Translation, better known simply as NAT, allows an outside address to represent a single or many inside addresses. There are several forms of NAT, but one of the most common is called NAT overloading, Port Address Translation, or simply ...
Posted in Computers | No Comments »
Monday, February 18th, 2008
Donald Willson asked: When I first started in computers, one of the most confusing things that I ran across was how to set up a home network. The differences between hubs, routers, Internet Connection Sharing (ICS) and cabling were a mystery to me. But after much trial and error and ...
Posted in Computers | No Comments »
Monday, February 4th, 2008
Robert asked: There has been so much hype about wireless networking that it is sometimes hard to get to the important question: do you need it? To determine whether your notebook computer needs to have wireless networking capabilities, you need to understand what it is first.WLANWLAN stands for Wireless Local ...
Posted in Computers | No Comments »