| A | B |
|---|
| radio waves | Mobile phones use this to transmit voice signals to antennas mounted on towers located in specific geographic areas. |
| cell | Mobile phones are often referred to as “cell phones” because the geographic area in which an individual tower can provide a signal to a phone is called a ____________ |
| GSM | The most common type of cellular telephone network is called a _______ network, an abbreviation of the title “Global System for Mobile Communications”. |
| GPS | the Global Positioning System network uses satellites to transmit signals that cover the globe. |
| Wi-fi | transmitters and receivers located within the smart phone enable the phone to connect to local networks and the Internet. In order to receive and send data on a ______ network, the phone needs to be within the range of the signal from a wireless network access point. |
| Bluetooth | A low-power, shorter range wireless technology that is intended to replace wired connectivity for accessories such as speakers, headphones and microphones. |
| NFC | ___________ stands for Near Field Communications. __________ is a wireless communication technology that enables data to be exchanged by devices that are in very close proximity to each other, usually less than a few centimeters. |
| hosts | are any devices that send and receive messages directly across the network. Also known as a generic name for most end user devices |
| peripherals | are not directly connected to the network, but instead are connected to hosts. |
| intermediate | Networking devices are sometimes referred to as “_______ devices” because they are usually located in the path that messages take between a source host and a destination host. |
| media | describes the cables and wires used in wired networks, along with radio frequency waves used in wireless |
| Ethernet | ____________ is technology commonly used in local area networks. Devices access the _________ LAN using an ____________ Network Interface Card (NIC). |
| IP Address | identifies the host on the network. |
| Subnet Mask | is used to identify the network on which the host is connected. |
| DNS | server is used to translate the domain name to its IP address. |
| static | The IP address entered is referred to as a _________ address and is permanently assigned to that device. |
| dynamic | An IP Address that isn't permanent. It comes from a pool of addresses assigned by the Dynamic Host Configuration Protocol (DHCP) server located within the network. |
| Network Topology | is the arrangement of the elements (links, nodes, etc.) of a communication network. |
| Physical topology | records where each host is located and how it is connected to the network. |
| Logical topology | illustrates the relevant network configuration information. |
| The four main criteria for choosing network media are: | 1) The distance the media can successfully carry a signal 2) The environment in which the media is to be installed 3) The amount of data and the speed at which it must be transmitted 4) The cost of the media and installation |
| Twisted pair | Copper cable / is the most commonly encountered type of network cabling. |
| Coaxial cable | is usually constructed of either copper or aluminum, and is used by cable television companies to provide service. |
| Fiber optic | cables are made of glass or plastic. They have a very high bandwidth, which enables them to carry very large amounts of data. They use light instead of electricity. |
| Default Gateway | identifies the networking device that the host uses to access the Internet or another remote network. |
