1. Introduction to Networking Flashcards
What are the names of computer that send requests to the servers to retrieve information
- Clients
What is the name for every computer on a network? ( 2 )
- Host
- End Device
What are servers?
- Computers that provide information to end devices
- Email Server
Web Server
File Server
What scenario does Pear-to-Pear is recommended for?
- Very Small Networks ( Bluetooth )
- It was decentralized
What are the advantages of using Pear-to-Pear? ( 4 )
- Easy to set up ( no cable / just using some cable )
- Less complex
- Lower cost ( doesn’t need a server )
- Used for single tasks ( transferring files & sharing printers )
What are the disadvantages of using Pear-to-Pear? ( 4 )
- No centralized administration
- Not as secure
- Not scalable
- Slower performance
What are the purpose of Intermediary Network Devices?
- To connect end devices ( computers, receiver ) to server ( sender )
What is end devices?
- Devices where a message originates from or where it is received
- End Devices ( data ) -> Network ( Flow Through ) -> End Device
List out the examples of Intermediary Network Devices ( 5 )
- Switches
- Wireless Access Points
- Routers
- Firewalls
- Cables
What is the role of Intermediary Network Devices in the management of data? ( 3 )
- Regenerate and retransmit data signals
- Maintain information about what pathways exist in the network
- Notify other devices of errors and communication failures
List out the Network Media types and descriptions ( 3 )
- Metal Wires within Cables ( Copper Cable )
- Convert into electrical impulses
- Glass or Plastic Fibers within cables ( fibre-optic cable )
- Convert into light
- Wireless Transmission
- Convert into modulation of specific frequencies of electromagnetic waves
- Communication is carry through a medium which allows a message to travel from source to destination
What is network diagrams often called as?
- Topology Diagrams
What are the important terms we need to learn? ( 3 )
- Network Interface Card ( NIC )
- Physical Port
- Interface
- Note that terms port and interface are used interchangeably
List out end devices ( 6 )
- Desktop Computer
- Laptop Computer
- Printer
- IP Phone
- Wireless Tablet
- TelePresence Endport
What network diagram uses to represent devices within the network?
- Symbols
What is the purpose of physical topology diagrams
- Illustrate the physical location of intemediary device and cable installation
What is the purpose of logical topology diagrams
- Illustrate devices ports, and the addressing scheme of the network
List out the size of networks ( 4 )
- Small Home Network
- SOHO ( Small Office / Home Office )
- Medium to Large Networks
- World Wide Networks
List out the 2 most common types of network
- LAN ( Local Area Network )
- WAN ( Wide Area Network )
How was the network type ( LAN, WAN, MAN ) determined? ( 4 )
- Size of area covered
- Number of users connected
- Number and types of services available
- Area of responsibility
What are the difference between LAN and WAN? ( 3 )
- Area
- Interconnect end deveices in a limited area
- Interconnect LAN over wide geographical areas
- Administration
- By single organization or individual
- By one or more service providers
- Speed
- Provide high-speed bandwidth to internal devices
- Typically provide slower speed between LANs
What is Internet?
- A worldwide collection of interconnected LANs and WANs
LANs are connected to each other using what?
- WAN
WAN may use what for transmissions? ( 3 )
- Copper Wires
- Fiber Optic
- Wireless Transmissions
The internet is not owned by any individual or group, but there are some groups developed to help maintain structure on the internet, list out the group ( 3 )
- IETF (Internet Engineering Task Force)
- ICANN (Internet Corporation for Assigned Names and Numbers )
- IAB (Internet Architecture Board)
What is an intranet?
- A private collection of LANs and WANs internal to an organizations that is meant to be accessible only to the organizations members or others with authorization
What are the difference between intranet, extranet and internet?
- Intranet - company only
- Extranet - suppliers, customers
- Internet - the world
Why does an organization uses extranet?
- To provide secure access to their network for individuals who work for a different organization that need to access to their data on their network