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CMIS 351 Lesson 8 Networks and Collaboration
Fichas del conjunto (31)
- 1Networks allow you to:-send/receive email
-browse web pages stored across globe
-download audio/video files
-talk to people over phone - 2Collaboration-two or more people work together to achieve common goal
-produces greater results than working alone
-involves coordination and communication - 3Effectiveness of collaboration-communication skills and culture
-communication systems
-content management
-workflow control - 4Computer network-collection of computers that communicate with one another over transmission media
- 5LAN components-switch
-Network Interface Card (NIC)
-Media Access Control (MAC) address
-unshielded twisted pair (UTP) cable
-optical fiber cable
-IEEE 802.3 (Ethernet) Protocol - 6switch-special-purpose computer that receives and transmits data across network
- 7Network Interface Card (NIC)-hardware that connects device's circuitry to network cable
-works together with programs in each device to implement Layers 1 and 2 of TCP/IT - OSI hybrid protocol - 8Media Access Control (MAC) address-permanent address given to each NIC at factory
-enables device to access network via Level-2 protocol
-no two NICs have same MAC address - 9Unshielded twisted pair (UTP) cable-connect computers, printers, switches, and other devices
-four pairs of twisted wire
-RJ-45 connector used to connect UTP cables into NIC devices - 10Optical fiber cable-connect computers, printers, switches, and other devices
-signals are light rays reflected inside glass core
-core surrounded by cladding to contain light signals
-cladding wrapped with outer layer to protect it - 11IEEE 802.3 (Ethernet) Protocol-Ethernet protocol standard
-specifies how messages are to be packaged and processed for transmission over LAN
-operates at Layers 1 and 2 of TCP/IP - OSI architecture - 1210/100/1000 Ethernet-transmission rate of 10, 100, or 1000 Mbps
-communications speeds expressed in bits
-memory sizes expressed in bytes - 13WAN components-router
-Internet Service Provider (ISP)
-Hypertext transfer protocol (HTTP)
-browser - 14router-special purpose computer that moves network traffic from one node on network to another
-implement protocol for WANs - 15Internet Service Provider (ISP)-provides legitimate Internet address
-serves as gateway to Internet
-passes communications back and forth between user and Internet
-pay for Internet
-collect money from customers and pay access fees and other charges on users' behalf - 16-Hypertext transfer protocol (HTTP)-Layer-5 protocol used to process webpages
- 17browser-program that processes HTTP protocol
-receives, displays, and processes HTML documents
-transmits responses - 18Alternatives for WAN-point-to-point lines
-PSDN
-virtual private network - 19Point-to-point lines-span geographically distributed sites
-use lines provided by licensed communications vendors
-expensive to set up and manage - 20Public-switched data network (PSDN)-lease time on public switched data network operated by independent party
-ineffective for inter-company communication - 21Virtual private network (VPN)-secure private connection provides tunnel through internet
-can support inter-company communication
-secure, encrypted communications - 22Firewall-computing device that prevents unauthorized network access
-located between firm's internal and external network
-may be special-purpose computer/program or program on general-purpose computer/router - 23Search engine-tool used to search for info on Internet
- 24Web Search Engine Requirments-way to collect URLS
-method for storing/accessing URLs so they are searcheable - 25Web crawlers-software program that browses web in methodical way
-finds URLs - 26Search engine indexing-organizes info. retrieved by crawlers
- 273-tier architecture of web applications-user tier
-server tier
-database tier - 28Network Layers-Layer 1 (Network Access Layer)
-Layer 2 (Internet Layer)
-Layer 3 (Transport Layer)
-Layer 4 (Application Layer) - 29Layer 1 (Network Access Layer)-transmit data within single network
- 30Layer 2 (Internet Layer) and Layer 3 (Transport Layer)-data transmission across an internet
- 31Layer 4 (Application Layer)-protocols that help different applications interact with each other and person using computer
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- El usuario ha eliminado su información de asignaturas Fichas sobre CMIS 351 Lesson 8 Networks and Collaboration, creado por Usuario eliminado el 31/03/2021.
- Creado por
- Usuario eliminado · mar 2021
- Actualizado
- 31 mar 2021
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- Creado por Adriana Vincelli-Joma · 29 ene 2020
- Copiado por Adriana Vincelli-Joma · 31 mar 2021
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