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Network+ Chapter 5
Key Terms
| Question | Answer |
|---|---|
| A physical layer standard for networks that specifies baseband transmission, twisted pair media, and 10-Mbps throughput. | 10Base-T |
| A Physical layer standard for achieving 10-Gbps data transmission over single-mode, fiber-optic cable. | 10GBase-ER |
| A variation of the 10GBase-ER standard that is specially encoded to operate over SONET WAN links. | 10GBase-EW |
| A Physical layer standard for achieving 10-Gbps data transmission over single-mode, fiber-optic cable using wavelengths of 1310 nanometers. | 10GBase-LR |
| A variation of the 10GBase-LR standard that is specially encoded to operate over SONET WAN links. | 10GBase-LW |
| A guideline for 10-Mbps Ethernet networks stating that between two communicating nodes, the network cannot contain more than five network segments connected by four repeating devices, and no more than three of the segments may be populated. | 5-4-3 rule |
| A network's method of controlling how nodes access the communications channel. | Access Method |
| A topology in which each workstation participates in transmitting data over the network. | Active topology |
| Logically grouped network nodes that can communicate directly via broadcast transmissions. | broadcast domain |
| The single cable connecting all devices. | bus |
| A topology in which a single cable connects all nodes on a network without intervening connectivity devices. | Bus topology |
| A network access method specified for use by IEEE 802.3 (Ethernet) networks. Each node waits its turn before transmitting data to avoid interfering with other nodes' transmissions. | CSMA/CD (Carrier Sense Multiple Access with Collision Detection) |
| A group of connectivity devices linked together in a serial fashion. | Daisy chain |
| The length of time data takes to travel from one point on the segment to another point. | data propagation delay |
| A type of backbone in which a number of connectivity devices (usually hubs) are connected to a series of central connectivity devices, such as hubs, switches, or routers, in a hierarchy. | distributed backbone |
| A type of Ethernet network that is capable of 100-Mbps throughput. 100Base-T and 100Base-FX are examples | Fast Ethernet |
| The capability for a component or system to continue functioning despite damage or malfunction. | fault tolerance |
| A physical topology that combines characteristics of more than one simple physical topology. | hybrid topology |
| 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. | jamming |
| A characteristic of network transmission that reflects the way in which data is tansmitted between nodes. | logical topology |
| A type of switching in which a connection is established between two devices in the connection path; one device transfers data to the second device, then breaks the connection. | message switching |
| A type of switching that enables any one of several layer 2 protocols to carry multiple types of layer 3 protocols. A benefit is the ability to use packet-switched technologies over traditionally circuit-switched networks. | MPLS (multiprotocol label switching) |
Created by:
annewlouis
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