10 Questions
What are the major components in a simple computer network as illustrated in the content?
Computers
Routers are devices used to route packets of data through the same network.
False
What is the method of slicing digital messages into parcels, sending packets along different communication paths, and then reassembling packets at the destination?
Packet switching
_______ govern the transmission of information between two points.
Protocols
Match the following with their descriptions:
Hypertext Transfer Protocol (HTTP) = Communications standard used for transferring web pages TCP/IP = Common worldwide standard that is basis for internet HTML = Formats documents for display on web URLs = Addresses of web pages
What is the purpose of Web 3.0?
To add meaning to the existing web and make searching more relevant to users.
Which wireless technology links up to 8 devices in a 10-meter area?
Bluetooth
Wi-Fi is used for wireless LAN and wireless internet access.
True
Radio frequency identification (RFID) uses tiny tags with embedded __________ containing data about an item and location, and antenna.
microchips
Match the following wireless technologies with their descriptions:
Bluetooth = Links up to 8 devices in a 10-meter area Wi-Fi = Used for wireless LAN and wireless internet access RFID = Uses tiny tags with embedded microchips for item and location data
Study Notes
Telecommunications, the Internet, and Wireless Technology
Components of a Simple Computer Network
- A computer network consists of two or more connected computers
- Major components:
- Client computer
- Server computer
- Network interface cards (NICs)
- Connection medium (e.g., cable or wireless)
- Network operating system
- Hub or switch
- Router (device used to route packets of data through different networks)
Key Networking Technologies
- Client/Server Computing:
- Distributed computing model
- Clients linked through network, controlled by network server computer
- Server sets rules of communication for network and provides every client with an address
- Packet Switching:
- Method of slicing digital messages into packets, sending packets along different communication paths, and reassembling packets at destination
- More efficient use of network's communications capacity
- TCP/IP (Transmission Control Protocol/Internet Protocol):
- Common worldwide standard that is basis for internet
- Enables connectivity between computers
The Internet
- A global network of interconnected computers and servers
- Allows for communication, information sharing, and e-business
- Key technologies:
- HTML (Hypertext Markup Language): formats documents for display on web
- HTTP (Hypertext Transfer Protocol): communications standard used for transferring web pages
- URLs (Uniform Resource Locators): addresses of web pages
- Web servers: software for locating and managing web pages
Wireless Networking and Internet Access
- Wireless computer networks and internet access:
- Bluetooth (802.15): links up to 8 devices in 10-meter area
- Wi-Fi (802.11): set of standards for wireless LAN and wireless internet access
- Radio Frequency Identification (RFID):
- Uses tiny tags with embedded microchips and antennas to transmit data
- Common uses: automated toll-collection, tracking goods in supply chain
- Requires special hardware and software
Wireless Sensor Networks
- Valuable for business due to ability to track and monitor goods, equipment, and environments
- Enables real-time monitoring and automation of business processes
Quiz on telecommunications, the internet, and wireless technology, covering principal components of telecommunications networks and key networking technologies.
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