http://bucarotechelp.com/networking/basics This section contains information about computer networking basics and certification. en-us Sat, 16 Apr 2022 08:56:26 GMT http://www.rssboard.org/rss-specification http://bucarotechelp.com/networking/basics/76081401.asp We would like Internet services to be able to move as much data as we want between any two end systems, instantaneously, without any loss of data. In reality, computer networks necessarily introduce delays between end systems, and can actually lose packets. Sat, 16 Apr 2022 08:56:26 GMT http://bucarotechelp.com/networking/basics/76081501.asp Computer networks can be classified by how geographically dispersed the network's components are. Knowing the different network types and characteristics is a key topic for Comptia network certification. Fri, 15 Apr 2022 04:46:24 GMT http://bucarotechelp.com/networking/basics/76082201.asp When connecting two computers together without a switch or router in between you need a special cable, called a crossover cable, that has the transmit wire pair swapped with the receive wire pair. Fri, 08 Apr 2022 04:43:32 GMT http://bucarotechelp.com/networking/basics/76082602.asp To send a message from a source end system to a destination end system, the source breaks long messages into smaller chunks of data known as packets. Most packet switches use store-and-forward transmission at the inputs to the links. Store-and-forward transmission means that the packet switch must receive the entire packet before it can begin to transmit the first bit of the packet onto the outbound link. Mon, 04 Apr 2022 08:37:47 GMT http://bucarotechelp.com/networking/basics/76091201.asp Layer 7 of the OSI model, the Data Link layer, is concerned with the packaging of data into frames and placing those frames on the network. The Data Link layer actually consists of two sublayers, the Media Access Control layer, described here, and the Logical Link layer. Sat, 19 Mar 2022 08:22:14 GMT http://bucarotechelp.com/networking/basics/76111901.asp For traffic to flow between networks, the traffic has to be routed, thus routing and routers is a key networking topic. This article discusses how routing occurs. Wed, 12 Jan 2022 07:16:51 GMT http://bucarotechelp.com/networking/basics/77061201.asp The Internet of Things (IoT) refers to the world of interconnected devices which provide data, and are being controlled across the Internet. Examples include many home automation devices, like smart thermostats and remotely controllable lighting fixtures, and countless others. Fri, 18 Jun 2021 09:27:51 GMT http://bucarotechelp.com/networking/basics/77080401.asp Microsoft Azure is a set of cloud services to help organizations meet business challenges. The services include tools for managing and deploying applications. Microsoft offers PaaS, IaaS, and SaaS to help businesses manage their technology demands. Mon, 26 Apr 2021 14:34:58 GMT http://bucarotechelp.com/networking/basics/77080501.asp The architecture of the Junos operating system cleanly divides the functions of control, services, and forwarding into different planes. Each plane provides a critical set of functionality in the operation of the network. Sun, 25 Apr 2021 09:06:53 GMT http://bucarotechelp.com/networking/basics/77082203.asp Virtualization is the process of using a program to abstract a computer's resources in order to create multiple isolated virtual servers, each virtual server which can run its own operating systems independently. Virtualization saves money, energy, and space. Get to know some important terms about virtualization, types of virtualization, and leading companies and products in virtualization. Thu, 08 Apr 2021 13:16:12 GMT http://bucarotechelp.com/networking/basics/79082903.asp Port forwarding redirects a communication request from one address and port number connection to another while the packets are traversing a network gateway. This technique is used to hide hosts residing on an internal network from hosts on external networks. Mon, 01 Apr 2019 11:48:43 GMT http://bucarotechelp.com/networking/basics/80071001.asp Anycast looks like a unicast - one unique host sending to another, the difference being that the target address actually exists in multiple places. When the given host sends a packet to this address it will follow the shortest route as defined by the routing protocols. Mon, 21 May 2018 10:37:05 GMT http://bucarotechelp.com/networking/basics/80100001.asp A router is a networking device that connects different networks. Routers direct the traffic on the Internet. Without routing every network space is isolated. Wed, 28 Feb 2018 07:38:31 GMT http://bucarotechelp.com/networking/basics/81011201.asp This article provides a complete explanation of cloud computing; virtualisation, cloud computing models, cloud deployment models, cloud delivery models, cloud metering and billing, and the future of cloud computing. Sat, 18 Nov 2017 10:02:40 GMT http://bucarotechelp.com/networking/basics/81023002.asp Traditionally, twisted pair copper cable has been the most common form of network cabling. As technology continues to advance however, fiber optic cable is quickly becoming the standard in network cabling. Sun, 01 Oct 2017 17:29:30 GMT http://bucarotechelp.com/networking/basics/81030201.asp Cabling is the foundation of your network, it is the medium that connects all your computers and servers together and is probably one of the most important and often overlooked items in business networks. Thu, 28 Sep 2017 13:34:35 GMT http://bucarotechelp.com/networking/basics/81052902.asp NRZ (Non-Return-to-Zero), NRZI (Non-Return-to-Zero Inverted), and Manchester Encoding are terms for the shapes and voltage levels of digital electronic signals. This article also explains Manchester decoding. Sun, 02 Jul 2017 19:03:11 GMT http://bucarotechelp.com/networking/basics/81060502.asp Patch panels are used to organize the network cables. Each socket on the front of the patch panel is usually labeled with the identity of the device connected on its punch down connector on the back of the panel. Sun, 25 Jun 2017 19:22:12 GMT http://bucarotechelp.com/networking/basics/82051201.asp Bluetooth is a wireless technology for short range communication. Bluetooth provides functionality to detect nearby Bluetooth devices, and in order to mitigate interference, implements frequency hopping. Tue, 19 Jul 2016 19:48:03 GMT http://bucarotechelp.com/networking/basics/82082402.asp In order to realize the value from a cloud service the customers must have access to them. A cloud delivery model must be chosen. Implementing a cloud delivery model can vastly impact an organization. Wed, 06 Apr 2016 17:56:55 GMT http://bucarotechelp.com/networking/basics/82091201.asp Before an organization migrates any piece of their business to the cloud, they need to understand who is in control of those resources. There are a variety of cloud service models that offer the cloud consumer a number of different options. Sat, 19 Mar 2016 15:24:11 GMT http://bucarotechelp.com/networking/basics/83020801.asp Cloud Computing is a way accessing and storing data over the Internet instead of on a computer hard drive. It is also provides dynamically scalable infrastructure for data, file storage and applications. Fri, 23 Oct 2015 20:40:56 GMT http://bucarotechelp.com/networking/basics/85062201.asp We keep hearing the term Cloud Computing, but what is it? Cloud Computing is a network of shared resources anywhere in the World that can be quickly provisioned in response to customer demand. Mon, 08 Jun 2015 15:50:42 GMT http://bucarotechelp.com/networking/basics/85100901.asp Most people are familiar with the concept of a cloud-based data center that rents out computing power to businesses. There are, however, a number of possible cloud types that may be the right choice for a company. Thu, 19 Feb 2015 14:54:32 GMT http://bucarotechelp.com/networking/basics/86060502.asp MCSE, CCNA or CCNP, Linux, Netware and Unix, these are all good certifications to have, but in today's job market, certifications are the basic minimum required by employers. Most positions require a degree. Wed, 25 Jun 2014 16:51:11 GMT http://bucarotechelp.com/networking/basics/86071601.asp A server is a computer in a client/server network that provides services or roles on a network and provides a central location for administration of the network. Thu, 15 May 2014 14:06:16 GMT http://bucarotechelp.com/networking/basics/86071701.asp As a Network Technician you'll have an interesting job where you'll be respected and highly rewarded. Network Technicians are responsible for an organization's computer and network infrastructure. The national median salary for Network Technicians is $57,500 to $67,800, while the top 10 percent earn about $112,000. Wed, 14 May 2014 15:53:20 GMT http://bucarotechelp.com/networking/basics/86111001.asp There's a lot of CompTIA Network+ study and exam preparation materials out there, The ones I've presented here are the some of the best materials available. Most importantly they all come with computer based practice exams. Tue, 21 Jan 2014 14:03:05 GMT http://bucarotechelp.com/networking/basics/86111101.asp You can't be sure where a specific Internet device is, it's just out there in the cloud of devices that is the Internet. An individual connected to the Internet can use an application that's in the cloud. An organization can place their data in the cloud. Mon, 20 Jan 2014 15:41:52 GMT http://bucarotechelp.com/networking/basics/86112101.asp Humans use a decimal based number system. The decimal numbering system uses the ten characters 0,1,2,3,4,5,6,7,8, and 9 to represent numbers. The binary system used by computers has only two characters; 0 and 1. Fri, 10 Jan 2014 21:42:13 GMT http://bucarotechelp.com/networking/basics/86112802.asp A Web server is a server that it can be accessed over the Internet and runs specific services related to the Internet. The most common service running on a Web server is Web site hosting service. Fri, 03 Jan 2014 21:54:25 GMT http://bucarotechelp.com/networking/basics/86112801.asp A LAN can be configured as a workgroup or a domain. In a workgroup a user's login account is located on their individual computer. In a domain, a user's login account is located on the domain controller. Fri, 03 Jan 2014 16:40:50 GMT http://bucarotechelp.com/networking/basics/88022002.asp In this article you learn the various aspects of computer networking, IP routing and IP switching and how to manage a network from an office network to larger networks. Areas covered include IP addressing, and Network Address Translation. Thu, 11 Oct 2012 18:15:40 GMT http://bucarotechelp.com/networking/basics/88092302.asp Synchronous, Asynchronous and Isochronous are all methods used to transfer streams of data. This article uses waveform diagrams to explain the difference. Thu, 08 Mar 2012 18:37:17 GMT http://bucarotechelp.com/networking/basics/88092901.asp Bluetooth is a wireless technology designed for short range data communications. Two or more Bluetooth devices establish a connection and form a small wireless network known as a Piconet. Fri, 02 Mar 2012 15:40:51 GMT http://bucarotechelp.com/networking/basics/89000103.asp Mobile Broadband allows you to get Internet access from anywhere within the range of cell tower. The data speeds of cellular modems has advanced rapidly over the years. Today's 4G (fourth generation) cellular mobile communications can provide data rates up to 100 Mbps. Fri, 30 Dec 2011 21:54:23 GMT http://bucarotechelp.com/networking/basics/89001103.asp Fiber broadband is the optical fiber, which replaces all or part of the usual metal local loops used for the final leg of delivering connectivity in telecommunications. With optical fiber technology it is likely that speeds that are considered to be broadband could change in coming times. Tue, 20 Dec 2011 19:01:59 GMT http://bucarotechelp.com/networking/basics/89001202.asp Cable broadband Internet service uses a coaxial cable and/or fiber-optic cable from the provider's office to your home or office. At your end, the coaxial cable connects to a router or modem. The router or modem connects to your network or computer through an USB cable, Ethernet cable, or wireless circuit. Mon, 19 Dec 2011 20:20:39 GMT http://bucarotechelp.com/networking/basics/89001201.asp Satellite broadband internet service transmits and receives signals between a ground dish antenna and a geosynchronous satellite. A geosynchronous satellite orbits the Earth with a period equal to the Earth's rotational period and therefor appears motionless, at a fixed position in the sky. Mon, 19 Dec 2011 16:06:12 GMT http://bucarotechelp.com/networking/basics/89022501.asp Sniffer is another word for network analyzer. Network intruders use sniffing to capture confidential information, and the terms sniffing and eavesdropping are often associated with this practice. Thu, 06 Oct 2011 14:17:00 GMT http://bucarotechelp.com/networking/basics/89022601.asp This book provides complete information and step-by-step Instructions for analyzing protocols and network traffic on Windows, Unix or Mac OS X networks. First, readers will learn about the types of sniffers available today and see the benefits of using Ethereal. Wed, 05 Oct 2011 18:56:40 GMT http://bucarotechelp.com/networking/basics/89041201.asp Having trouble connecting your devices together and to the Internet, or printing from any computer? With Cisco Network Magic Pro, you can avoid lengthy, tech support phone calls, hard to navigate online forums and expensive on-site consultants. It provides do-it-yourself tools for setting up, managing and securing your network. Fri, 19 Aug 2011 16:11:31 GMT http://bucarotechelp.com/networking/basics/89041302.asp This book is a straight to the point description of networks, what they do, how they operate, and how to manage them. The book is largely free of jargon and arcane, obscure terminology. The author does a good job of laying out the essentials in an easy to understand format. Thu, 18 Aug 2011 21:51:46 GMT http://bucarotechelp.com/networking/basics/90032301.asp With the plethora of desktop and mobile devices in your home or office connectivity between everything and to the Internet is vital for maximum productivity and entertainment. This guide walks through the various standards, the devices that support flexible connectivity options and how you can use them for maximum benefit. Tue, 7 Sep 2010 19:21:57 GMT http://bucarotechelp.com/networking/basics/90072801.asp In this easy-to-use DVD, top network consultant David L. Prowse walks you through every skill and concept you’ll need to master to pass the new CompTIA Network+ Exam (N10-004/JK0-016). This DVD contains more than seven hours videos designed to build and test your knowledge of networking technologies. Mon, 3 May 2010 16:08:41 GMT http://bucarotechelp.com/networking/basics/91071001.asp In order to become a network engineer, you must have the necessary skills as well as a love of computers. As with any other career, you need to follow certain steps to accomplish your goal. These are the top five requirements needed to become a network engineer. Thu, 21 May 2009 15:10:02 GMT http://bucarotechelp.com/networking/basics/91112201.asp Unlike tower servers, offices that use rack servers which traditionally come in 1U, 2U, 3U, 4U or 6U are installed in racks. The numbers that give names to the rack mounted servers precisely indicate the number of Us they occupy in the racks. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/91112302.asp Hit the ground running with the street-smart training you'll find in this practical book. Using a "year in the life" approach, it gives you an inside look at network administration, with key information organized around the actual day-to-day tasks, scenarios, and challenges you'll face in the field. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/93100204.asp A Proxy Server is a piece of software that works at the Application layer of the OSI model to increase the security of a network. A proxy server acts as an intermediary between the internal network and external networks. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/93110101.asp DSL or xDSL is a group of technologies that provide digital data transfer over the telephone network. DSL technology was originally begun as a part of the Integrated Services Digital Network (ISDN). The typical transfer speeds of DSL services range from 128 kilobits per second to 24,000 kbit/s. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/93110201.asp You see advertisements for Bluetooth enabled cell phones, PDAs, and laptops, and all sorts of different devices taking advantage of this wireless standard. But, what is it? Bluetooth technology is nothing new, but in many respects it still seems to be more of a buzz word rather than a well understood, commonly accepted technology. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/94023001.asp From your Network+ exam studies, you know that switches forward broadcasts, and that sounds great, but that's not always a good thing. A switch can have anywhere from 12 ports to 80 or more, and by default all hosts connected to that switch are going to be in the same broadcast domain. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/94023002.asp Part of passing the Network+ exam is mastering the many different protocols and services you're introduced to in your studies, and that's especially hard when two protocols do much the same thing! That's the case with RARP and DHCP, so let's take a close look at these two protocols and why we use them in the first place. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/94092801.asp Here in one place is everything you need to know about wireless networking your PC. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/94092802.asp Creating a customized home Wi-Fi network is a great weekend project that you can accomplish with some patience and the proper tools. Before you dive into the wireless world, make sure you know what lies ahead of you. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/95091703.asp CompTIA certification is an advantage because it provides proof to employers that you have the competence required to perform the job. It can help you acquire employment in fact many employers require CompTIA certification. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/97060530.asp Many small to medium sized organizations are wrestling with Windows server and paying excessive licensing fees when they don't need to. Sure, a server provides centralized security administration, but is it really more efficient? Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/97092030.asp A basic network consists of two or more computers connected to each other by cable. Computers that are connected to the network can send messages or email back and forth, and can share data, applications, and peripherals. Sun, 2 Nov 2008 16:48:59 GMT http://bucarotechelp.com/networking/basics/97102920.asp Have you ever wondered what happens when you enter, or click on, a web address in your browser? How does your computer connect to the Web site you requested? Part of what makes that happen is the Internet's Domain Name Service (DNS). Sun, 2 Nov 2008 16:48:59 GMT