Module 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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| Access Method | show 🗑
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| show | A network access method useed on 802.11 wireless networks. Before a node begins to dend data it checks the medium. If it detects no transmission activity, it waits a brief, random amount of time, and then sends its transmission.
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| Carrier Sence Multiple Access with Collision Detection (CSMA/CD) | show 🗑
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| show | A type of switching in which a connection is established between two network nodes before they begin transmitting data.
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| Message Switching | show 🗑
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| Packet Switching | show 🗑
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| show | A part of CSMA/CD in which, upon detecting a collision, a station issues a special 32-bit sequence to indicate to all nodes on an Ethernet segment that its previously transmitted frame has suffered a collision and should be considered faulty.
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| LAN Emulation (LANE) | show 🗑
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| show | Physical and Logical
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| show | is concerned with the physical layout or pattern
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| show | is concerned with how signals travel from one point to another on the network
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| Identify the three fundamental shapes of physical topologies. | show 🗑
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| How many communication channels does a simple physical bus have? | show 🗑
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| Which is a combination of topologies? | show 🗑
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| show | Star
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| Logical Topologies | show 🗑
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| show | Bus and ring
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| Serial Backbone | show 🗑
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| Distributed Backbone | show 🗑
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| show | oDevices connected to a single connection point oSwitch or router must act as the central device
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| Parallel Backbone | show 🗑
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| Mesh Backbones | show 🗑
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| Switching Methods | show 🗑
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| show | oBandwidth is dedicated as long as the connection is established oMay be many intermediate points along the way from source to destination
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| show | Connections made only between each intermediate point along the way
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| show | oData is broken into packets and sent in smaller units oPackets can arrive at the destination in a different order than transmitted oPackets may have taken a different path during the trip
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| show | oIntegrates Layer 2 information into Layer 3 within a particular network segment oSimplifies and improves IP-packet exchange (Often used in VoIP/Video segments)
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| show | Packet Switching
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| show | •One of the oldest network LAN technologies •Shared medium where collisions and jamming take place
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| Many implementations with a high-level of compatibility | show 🗑
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| show | Carrier Sends Multiple Access / Collision Dectection (CSMA/CD)
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| Above what percentage is the collision rate deemed excessive? | show 🗑
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| show | oDemand priority access method so certain package get thruoNot common implementations of Ethernet oRequire an intelligent hub that can manage traffic
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| show | oSwitched more often than shared due to lower prices of network components oTechnologies are advancing quickly, Gigabit Ethernet now a reality oEthernet technologies are quickly becoming the choice for backbone connections
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| Traditional Ethernet LANs were called | show 🗑
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| Contemporary technologies uses | show 🗑
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| Twisted-pair cabling maximum segment length | show 🗑
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| 10Base-T (802.3) | show 🗑
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| 10Base-T (802.3)uses two of the four wire pairs of | show 🗑
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| show | 5-4-3
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| 10Base-T (802.3)distance limitation with repeaters | show 🗑
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| 100Base-T (802.3u) | show 🗑
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| 100Base-T uses two of the four wire pairs of | show 🗑
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| 100Base-T (802.3u)distance limitation with repeaters | show 🗑
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| Identify the maximum number of allowed 100BASE-T network segments. | show 🗑
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| show | 1000mbps throughput, baseband transmission, twisted-pair cabling
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| show | CAT5 or higher UTP
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| 1000Base-T (802.3ab)follows the rule | show 🗑
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| What is the maximum distance between 1000Base-T nodes using a repeater? | show 🗑
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| 10GBase-T (802.3an) | show 🗑
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| 10GBase-T (802.3an)Uses all four wire pairs of | show 🗑
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| Cooper Based Ethernet Standards | show 🗑
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| show | 100Base-FX, 1000Base-LX, 1000Base-SX
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| show | o100Mbps throughput, Baseband transmission, multimode fiber (min of two strands) oRuns in half or full duplex modes oCoexists with 100Base-T copper-based networks very well
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| show | Fast Ethernet
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| 1000Base-LX (802.3z) (LX – long wavelengths) | show 🗑
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| 1000Base-SX (SX – short wavelengths) | show 🗑
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| show | The higher the modal bandwidth, the longer a multimode fiber can carry a signal reliably
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| show | Ethernet_802.2, Ethernet_802.3, Ethernet_II & Ethernet_SNAP
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| show | Ethernet_II
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| show | oMany common fields oAll frames begin with a preamble (Preamble does not count toward frame size)
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| show | 14-byte header (Destination address(6) + Source address(6) + ethernet type(2)
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| show | Minimum – 64B, Maximum – 1518B
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| What type of address occupies the source field in an Ethernet frame? | show 🗑
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| show | One
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| show | oMethod of supplying power over Ethernet oFully compatible with existing 802.3 installations
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| show | Something far away from the source. A wireless access point at an outdoor theater, a telephone used to receive digitized voice signals an internet gaming station in the center of a mall or a critical router at the core of a networks backbone
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| show | Cat 5 or better copper cable
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| show | 3-2
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| Rule 5-4-3 means | show 🗑
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| show | 8 bytes
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| Destination address frame is | show 🗑
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| show | 6 bytes
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| Ethernet type frame is | show 🗑
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| show | 4 bytes
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| Padding | show 🗑
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