Chapters 5 & 6
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| operate in the physical layer | repeater
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| cant interpret the data they retransmit | repeater
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| cant direct data to their destination | repeater
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| only one input and output port | repeater
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| allows you to extend a network cheaply | repeater
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| repeater with more then one outpout port | hub
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| operate at the physical layer | hub
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| accepts signals from a transmitting node and sends them out to all connected nodes in a broadcast manner | hub
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| allows the hub to connect to another hub | uplink port
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| all devices connected share the same amount of bandwith and collision domain | hub
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| do nothing but repeat signals | passive hubs
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| have many functions and can be managed anywhere on the network | intelligent or managed hubs
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| regenerate a signal over an entire network | repeaters
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| devices that connect two networks | bridges
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| analyze incoming frames and make decisions about where to send them based on the frames MAC address | bridges
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| operate at the data link layer | bridge
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| move data more rapidly than traditional routers because they are protocol independent | bridge
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| to translate between two segments it reads the frames destination MAC address and decides to filter it or send it forward | bridge
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| it reads the MAC address and searches its database and decides if the address is is on its segement or a different segment | bridge
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| connectivity devices that subdivides a network into smaller logical pieces or segments | switches
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| interpret MAC address information | switches
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| can turn a shared channel into several channels | switch
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| each on the switch acts like a bridge | port
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| each device connected to a can turn a shared channel into sevreal channels | switch
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| reads a frames header/MAC address and decides where to forward the data before it receives the entire packet | cut thru mode
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| best suited to small workgroupd where speed is important | cut thru mode
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| reads the entire data frame into memory and checks it for accuracy before sending the data | store and forward mode
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| bettter suited for larger LAN environments because there are less data errors | store and forward mode
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| logical seperate networks within networks by grouping a number of ports into a broadcast domain | VLAN
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| combination of ports that make up a Layer 2 segment | broadcast domain or subnet
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| seperating groups of users who need special security or network functions | reason for using a VLAN
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| isolating connections with heay or unpredictable traffic patterns | reason for using a VLAN
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| identifying groups of devices whose data should be given priority handling | reason for using a VLAN
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| functions in the data link layer | spanning tree protocol
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| calculates paths to avoid traffic loops and blocks links that would create loops | stp
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| a glorified bridge | switch
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| only one port and one bridge can can forward frames from the root bridge to the destination bridge | stp
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| provides the basis for all subsequent calculations | root bridge
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| switches operate in Layer of the OSI model | 2
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| routers operate in Layer | 3
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| hubs operate in Layer | 1
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| a switch capable of interpreting layer 3 data | layer 3 or routing switch
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| switches that operate anywhere between layers 4 and layer 7 | content or application switches
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| multiport connectivity device that directs data between nodes on a network | router
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| receives an incoming packet ,reads the logical addresing information and determines which network to deliver it to | routers
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| operates at the network layer | router
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| must be configured to recognize a certain network layer protocol before they can transmit data using that protocol | router
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| can determine the shortest fastest path between two nodes | router
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| connect dissimiliar networks determine the best path for data from point A to B | router
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| reroute traffic if one path is not working provide high network fault tolerance | router
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| directs data between nodes on a Lan that is operated by a single organization | interior router
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| direct data between an employees workstation and his supervisors workstation down the hall | exterior router
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| connect a business using a LAN operated by a single organization to a WAN | border or gateway router
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| automatically calcualtes the best path between two nodes and stores the info in a table | dynamic routing
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| programmed to use specific paths between two nodes | static routing
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| used only to connect data about current network status and help decide the best path | routing protocols
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| time it takes for a router to recognize the best path in the event of a change | convergence time
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| distaance vector link state hybrid of the two | three types of routing protocols
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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.
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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.
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