2. Network Theory Review for Final Exam ©Richard L. Goldman June 17, 2003 from: Network+ Guide to Networks, Dean

3. © Richard L. Goldman Delmar's Comprehensive Medical Terminology 2 Network LAN MAN CAN WAN Enterprise Server Client Client-Server Peer-to-Peer Baseband Broadband bit Byte OSI OSI Model NIC Repeater Hub MAU Two or more computers connected together Local Area Network Metropolitan Area Network Campus Area Network Wide Area Network Entire network for a company Computer that shares and/or manages network resources Computer that uses network resources Network with centralized management Network with decentralized management Media using single digital signal communication Media using multiple analog signal communication Binary Digit – Single pulse 8 bits Open System Interconnection Theoretical representation of network communication Network Interface Card Regenerates analog or digital signals Multi-port repeater Multistation Access Unit (Token Ring Network)

4. © Richard L. Goldman Delmar's Comprehensive Medical Terminology 3 Bridge Switch Router Brouter Gateway Modem Multiplexer Topology Bus Ring Star Mesh UTP STP PVC Plenum-Rated Noise EMI RFI Crosstalk Controls traffic between two network segments – Level 2 Provides separate collision domains Controls traffic between networks – Level 3 Controls traffic between network segments – Level 2 or 3 Connect dissimilar networks Modulator demodulator Device that combines multiple channels on a single media Layout of a network Topology – computers are teed off of a single line Topology – each computers connects to the next to form a ring Topology – each computer connect to a central device Topology – each router connects to many other routers Unshielded Twisted Pair Shielded Pair Polyvinylchloride – Flammable insulation producing toxic fumes Flame retardant insulation Unwanted electrical signal on a wire Electromagnetic Interference Radio Frequency Interference Noise created by nearby wires

5. © Richard L. Goldman Delmar's Comprehensive Medical Terminology 4 Latency Attenuation DHCP MAC Protocol Suite Stack Routable Connection Oriented Connectionless TCP IP UDP IPX SPX NetBIOS NetBEUI Ethernet Token Ring POP POTS PSTN Delay Loss of signal strength Dynamic Host Configuration Protocol Media Access Control – 12 bit Hex - Block ID, Device ID Set of rules Collection of related protocols, programs, applications Collection of related protocols Protocols that support logical addresses use for internetworking Assures delivery of all packets Missing packets are disregarded Transmission Control Protocol Internet Protocol User Datagram Protocol Internet Packet eXchange Sequence Packet eXchange Network Basic Input Output System Network BIOS Enhanced User Interface Common LAN technology that uses CSMA/CD LAN technology that uses token passing to avoid collisions Point of Presence Plain Old Telephone System Public Switched Telephone Network

6. © Richard L. Goldman Delmar's Comprehensive Medical Terminology 5 PPP PPTP Download Upload Downstream Upstream Asymmetric Asynchronous DSL ADSL ISDN BRI PRI T1 T1C T3 FDDI ATM SONET X.25 Frame Relay IEEE Asset Management Specialization Point to Point Protocol Point to Point Tunneling Protocol Copy a file to your computer Send a file to another computer Traffic flowing from provider to customer Traffic flowing from customer to provider Not symmetric Not synchronous Digital Subscriber Line Asynchronous Digital Subscriber Line Integrated Services Digital Network Basic Rate ISDN (2 Bearer @ 64Kbps + 1 Data @ 16Kbps) Primary Rate ISDN (23B+D) 1.544 Mbps (64 Channels @ 64Kbps) Equivalent to Two T1s 45 Mbps (Equivalent to 28 T1s) Fiber Distributed Data Interface Asynchronous Transfer Mode Synchronous Optical Network Analog packet switched technology (56Kbps) Digital packet switched technology (1.544Mbps) Institute of Electrical and Electronic Engineers Collecting and storing data on hardware and software Better to have broad base of knowledge than narrow specialization