terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Physical topology | physical layout of a network
🗑
|
||||
| Logical topology | a characteristic of network transmission that reflects the way in which data is transmitted between nodes
🗑
|
||||
| Star physical topology | every node on the network is connected thru a central device
🗑
|
||||
| Bus topology physical | single cable connects all devices on a network with no intervening connectivity device
🗑
|
||||
| ring topology physical | each node is connected to the two nearest nodes so that the entire network forms a circle..
🗑
|
||||
| bus logical topology | information is transferred from one workstation directly to another workstation with nothing in between to re route the data
🗑
|
||||
| ring logical topology | data is transmitted unidirectionally.accepts packets and forwards them to the next workstation
🗑
|
||||
| star wired ring topology | uses the physical layout of the star and the token passing transmission method
🗑
|
||||
| repeaters | suited to only bus topology
🗑
|
||||
| serial backbone | backcone that has two or more internetworking devices connected to each other by a single cable in a daisy chain
🗑
|
||||
| distributed backbone | a number of connectivity devices are connected to a series of central connectivity devices
🗑
|
||||
| collapsed backbone | backbone that uses a router or switch as the single central connection point for multiple networks
🗑
|
||||
| parrallel backbone | backbone that consists of more than one connection from the central router or switch to each network segment.
🗑
|
||||
| circuit switching | a connection is established between two network nodes before they begin transmitting data
🗑
|
||||
| message switching | connection is established between two conection paths.one device sends data to the second device then breaks the connection
🗑
|
||||
| packet switching | data is broken into packets before it is transported
🗑
|
||||
| multiprotocol label switching | create end to end paths that act like circuit switching.use packet switching technology over circuit switched networks.
🗑
|
||||
| CSMA/CD | before a node begins to send data it checks the medium.if it detects no activity it sends the data.if it detetcts activity, it waits until there is none
🗑
|
||||
| 10 Base T | maximum segment length of 100 meters and relies on star topology.
🗑
|
||||
| 100 Base T | fast ethernet.maximum segment length of 100 meters.use star topology.100 Mbps throughput.
🗑
|
||||
| 1000 Base T | physical layer standard used for reaching 1 Gbps over UTP.uses all four pairs of Cat 5 cable to receive and transmit signals.uses a different data encoding scheme.
🗑
|
||||
| 10G Base T | uses Cat 6 or 7.10 Gbps data transmission over twisted cable.
🗑
|
||||
| 100 Base FX | specifies baseband transmission,multimode fiber cabling and 100 Mbps throughput.maximum segment length of 2000 meters.
🗑
|
||||
| 1000 Base LX | run on single or multimode fiber.specifies 1 Gbps transmission over fiber optic cable.use one repeaters between segments.
🗑
|
||||
| 1000 Base SX | specifies 1 Gbps transmission over fiber optic cable using baseband transmission.runs on multimode fiber.maximum segment length is 550 meters.
🗑
|
||||
| 10G Base SR | standard for acheiving 10 Gbps data transmission over multimode fiber.maximum segment length is 300 meters, depending on the fiber core diameter and model bandwith used
🗑
|
||||
| 10G Base SW | standard for acheiving 10 Gbps data transmission over multimode fiber.maximum segment length is 300 meters, depending on the fiber core diameter and model bandwith used.encoded for SONET WAN links
🗑
|
||||
| 10G Base LR | specifies a star topology and segment length up to 10 kilometers.standard for acheiving 10 Gbps data transmission over single mode fiber optic cable.
🗑
|
||||
| 10G Base LW | specifies a star topology and segment length up to 10 kilometers.standard for acheiving 10 Gbps data transmission over single mode fiber optic cable.encoded to operate over SONET WAN links.
🗑
|
||||
| 10G Base ER | specifies a star topology. Standard for scheiving 10 Gbps data transmission over single mode fiber optic cable.segment lengths up to 40 kilometers.
🗑
|
||||
| 10G Base EW | specifies a star topology. Standard for scheiving 10 Gbps data transmission over single mode fiber optic cable.segment lengths up to 40 kilometers.encoded to operate over SONET WAN links
🗑
|
||||
| Ethernet - II (DIX) | contains a 2 byte type field to identify the uppeer layer protocol contained in the frame.
🗑
|
||||
| PoE | delivering current to devices using ethernet connection cables
🗑
|
||||
| PSE | devices that supplies power to end nodes
🗑
|
||||
| Repeaters | device used to regenerate a signal
🗑
|
||||
| Hubs | connectivity device that retransmits incoming data signals to its multiple ports
🗑
|
||||
| Gateways | combination of hardware and software to connect two dissimiar networks.perform connectivity,session management and data translation.
🗑
|
||||
| Router | determine the best path between nodes based on traffic congestion.uses logical addressing information to ditect data between networks or segments.
🗑
|
||||
| Switch | connectivity device used to logically subdivide a network into smaller individual collision domains.interpret MAC address information to determine whether to filter or forward data packets.
🗑
|
||||
| NIC | enables a workstation to connect to the network and communicate with other computers.
🗑
|
||||
| Bridges | use a filtering database to determine which packets to discard and which to forward.reads header information to forward packets according to their MAC addresses.protocol dependent
🗑
|
||||
| Distance Vector | routing protocol that determines the best route for data based on the distance to the destination
🗑
|
||||
| RIP | slower and less secure.does not work in large environments where data may have to travel thru 12 routers or more to reach their destination
🗑
|
||||
| RIPv2 | makes up for some of the overhead and security flaws from the original routing protocol
🗑
|
||||
| BGP | border gateway routing protocol used on border & exterior routers and on Internet backbones.
🗑
|
||||
| Linkstate | routing protocol that enables routers to share information ,can independently map the network and can determine the best path between itself and the destination node.
🗑
|
||||
| OSPF | open shortest path first routing protocol that makes up for some of the limitations of RIP
🗑
|
||||
| IS-IS | intermediate system to intermediate system.designed for use on interior routers.link state routing protocol.
🗑
|
||||
| EIGRP | enhanced interior gateway routing protocol.fast convergence time and low network overhead.easier to configure and less CPU intensive that OSPF.supports multiple protocols and limits unnecessary network traffic.
🗑
|
||||
| DHCP | dynamic host configuration protocol.assigns IP address and eliminates the possibility of duplicate addressing.
🗑
|
||||
| STP | switching protocol.prevents traffic loops by identifying paths that could lead to loops.recalculates data paths.
🗑
|
||||
| RSTP | detects and corrects any network changes
🗑
|
||||
| ARP | obtains the physical address of the host and creates a local database that maps the MAC address to the hosts logical IP address.
🗑
|
||||
| Bridge ID | bridges MAC address and a combination of a 2 byte priority field
🗑
|
||||
| modular router | multiple slots that can hold different interface cards
🗑
|
||||
| PCMCIA | developed and interface for connecting any type of portable device to any computer
🗑
|
||||
| PC Card | standard that specifies a 16 bit interface ruunning at 8 MHz for externally attached devices
🗑
|
||||
| Express Card | standard that allows external devices to connect to portable computers thru a 26 pin interface
🗑
|
||||
| USB | standard external bus used to connect multiple peripherals
🗑
|
||||
| Firewire | peripheral standard.can be used to network pcs in a bus fashion.
🗑
|
||||
| Compact Flash | standard for ultrasmall removable data and input/output device capable of connecting many kinds of external peripherals to workstations
🗑
|
||||
| interior router | directs data between nodes on an autonomous Lan or one owned by a single organization
🗑
|
||||
| IRQ | msg sent to a pc that instructs it to stop what it is doing and pay attention to something else.
🗑
|
||||
| Memory range | hexadecimal number.indicates the area of memory that the NIC and CPU will use for exchanging,buffering data.
🗑
|
||||
| Firmware | hardware and software.hardware is a ROM chip that stores data established at the factory and possibly changed by configuration programs that can write to ROM
🗑
|
||||
| VLANs | a network within a network that is logically defined by grouping its devices switch ports in the same broadcast domain.
🗑
|
||||
| exterior router | operate on the Internet backbone.direct data between nodes external to a given autonomous LAN .
🗑
|
||||
| dynamic routing | automatically calculates the best path between two nodes and stored it in a table
🗑
|
||||
| routing protocols | used to collect data about current network status and help determine the best path
🗑
|
||||
| convergence time | time it takes for a router to recognize the best path if anything changes.
🗑
|
||||
| WAN | network that connects two or more LANs
🗑
|
||||
| bus topology WAN | uses different locations with each one connected to another thru point to point links to transmit and receive data
🗑
|
||||
| ring topology WAN | connects locations rathern then local nodes.relies on redundant rings to carry data.
🗑
|
||||
| star topology WAN | a single site acts as a central connection point for several other points.provides seperate routes for data between any two sites.
🗑
|
||||
| full mesh topology WAN | includs many interconnected sites which means data can travel directly from ints origin to its destination and can quickly br rerouted when necessary.
🗑
|
||||
| partial mesh WAN topology | only critical WAN sites are directly interconnected
🗑
|
||||
| plain old telephone service | includes the entire telephone system,incudes the wires that enter homes and businesses to the network centers they connect to
🗑
|
||||
| central office | place where phone companies terminate lines and switch calls from different locations
🗑
|
||||
| x.25 | analog packet switching technology designed for long distance data transmission.guarantee data delivery
🗑
|
||||
| frame relay | digital packet switching technology designed for long distance data transmission.no guarantee data delivery
🗑
|
||||
| switched virtual circuits | connections that are established then terminated after the transmission is complete
🗑
|
||||
| permanent virtual circuits | connections that are established before data needs to be terminated and maintained after the transmission is complete
🗑
|
||||
| committed information rate | service provider guarantees a minimum amount of bandwith
🗑
|
||||
| Integrated services digital network | specifies protocols at the physical,data link and transport layers of the OSI model.relies on PSTN for transmission medium.
🗑
|
||||
| Integrated services digital network | protocols handle signaling,framing,connection setup and termination,routing,flow control, error detection and correction
🗑
|
||||
| terminal adapter | converts digital signals into analog signals for use with ISDN phones and other analog devices
🗑
|
||||
| T-carrier | standard that specifies a method of signaling that belongs to the physical layer and uses time division multiplexing over two wire pairs,one for transmitting and one for receiving, to divide a single channel into multiple channels.
🗑
|
||||
| smart jack | terminates T-wire pairs and functions as a monitoring point for the connection.does not interpret data.
🗑
|
||||
| channel service unit | provides termination for the digital signal and ensures connection integrity thru error correction and line monitoring
🗑
|
||||
| data service unit | converts the T carrier frames into frames the LAN can interpret and vice versa
🗑
|
||||
| digital subscriber line | span only limited distances without the help of repeaters.support multiple data and voice channels over a single line.operates over public switched telephone network.
🗑
|
||||
| downstream | data traveling from the carriers switch facility to the customer
🗑
|
||||
| upstream | data traveling from the customer to the carriers switch facility
🗑
|
||||
| asymmetrical | technology that offers more throughput on one direction then the other
🗑
|
||||
| symmetrical | technology that offers equal capacity for data traveling both upstream and downstream
🗑
|
||||
| cable modem | a device that modualtes and demodulates signals for transmission and reception via cable wiring
🗑
|
||||
| asynchronous transfer mode | standard prescribes both network access and signal multiplexing techniques
🗑
|
||||
| asynchronous | a communications method.a node can transmit at any instant and the destination node must accept it.
🗑
|
||||
| synchronous optical network | specifies framing and multiplexing techniques at the physical layer.
🗑
|
||||
| synchronous | means that data being transmitted and received by nodes must conform to a timing scheme.
🗑
|
||||
| synchronous optical network | double ring topology over fiber optic cable
🗑
|
||||
| SONET ring | begins and ends at the telecommunications carrier facility
🗑
|
||||
| optical carrier | data rate of a particular synchronous optical network
🗑
|
||||
| sonet technology | relies on fiber optic cable,expensive to implement,
🗑
|
||||
| remote access service | dial up networking software
🗑
|
||||
| routing and remote access service | enables a computer to accept multiple remote client connections over any type of transmission path
🗑
|
||||
| routing and remote acces service | enables a server to act as a router which determines where to direct incoming packets across the network.
🗑
|
||||
| Serial Line Internet Protocol | protocol that enables a workstation to connect to another computer using a serial connection and carries only IP packets.
🗑
|
||||
| Point to Point protocol | protocol that enables a workstation to connect to another computer using a serial connection
🗑
|
||||
| Point to point protocol | can automatically obtain the IP address as it connects to the server
🗑
|
||||
| Serial Line Internet protocol | must specify the IP address for the client and the server
🗑
|
||||
| virtual network computing | system designed to allow one workstation to remotely manipulate and receive screen updates from another workstation
🗑
|
||||
| open source | software where no one pays licensing fees to use it.
🗑
|
||||
| virtual private networks | are wide area networks that are logically defined over public transmission networks
🗑
|
||||
| virtual private networks | allows access to only authorized users.traffic is isolated from other traffic on the same public lines
🗑
|
||||
| tunneling |
🗑
|
||||
| point to point tunneling protocol |
🗑
|
||||
| Layer 2 tunneling protocol |
🗑
|
||||
| two types of ISDN connections | BRI and PRI
🗑
|
||||
| most common T carrier implementations | T1 and T3
🗑
|
||||
| synchronous optical network advantages | fast data transfer rates,allows simple link additions and removals,high degree of fault tolerance
🗑
|
||||
| data link layer protocols | point to point,serial line internet,
🗑
|
||||
| asynchronous transfer mode | fixed packets,connection oriented,fourty eight bytes of data
🗑
|
||||
| virtual privat enetworks | one way to construct a WAN from existing puiblic transmission systems
🗑
|
||||
| tunneling protocols | point to point and Layer 2
🗑
|
||||
| digital subscriber line | physical layer
🗑
|
||||
| digital subscriber line access multiplexer | aggregates multiple dsl line before connecting them to the Internet or another carrier
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
cgeaski
Popular Computers sets