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IDT > Networking Notes/Vocabulary > Flashcards

Networking Notes/Vocabulary Flashcards

1
Q

A group of computers connected together in a way that allows information to be exchanged between the computers

A

Computer Network

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2
Q

A piece of a message transmitted over a packet-switching network

A

Packet

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3
Q

A network of computers that are in the same physcial location (within campus/building)

A

Local Area Network (LNA)

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4
Q

A network of computers that are fat apart

A

Wide Area Network (WAN)

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5
Q

Anything that is connected to the network. While a node is a typically a computer, ot can also be something like a printer or CD-ROM tower

A

Node

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6
Q

This is the physcial address of any device – such as the NIC in a computer – on the network. The MAC address, which is made up of 2 equal parts, is 6 bytes long, the first 3 bytes identify the company that made the NIC. The second 3 bytes are the serial number of the NIC itself.

A

Media Access Control (MAC)

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7
Q

An alphanumeric label given to computers and other devices that connect to a network

A

IP Address

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8
Q

Each node is daisy-chained along the same backbone. Information sent from a node travels along the backbone until it reaches its destination node. Each end of a bus network must be terminated with a resistor to keep the signal that is sent by node across the network from bouncing back when it reaches the end of the cable.

A

Bus Topology

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9
Q

Similar to bus but rings have the nodes daisy-chained. The end of the network comes back around to the first node creating a complete circuit.

A

Ring Topology

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10
Q

A special series of bits that travel around a token-ring network

A

Network Token

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11
Q

Each node is connected to a central device called a hub. The hub takes a signal that comes from any node and passes it along to all the other nodes in the network. A hub does not perform any type of siltering or routing of the data. It is simply a junction that joins all the different nodes together.

A

Star Topology

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12
Q

It includes and incorporates the characteristics of bus and star topologies. (Has star-configured workstations and linear bus backbone cable)

A

Tree Topology

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13
Q

A common format for transmitting data between 2 devices

A

Protocal

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14
Q

A decentralized network of client and server peer-to-peer nodes that contribute, and consume network resources and share workloads. The need for a centralized server is therefore eliminated

A

Peer-Peer Architecture

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15
Q

Network architecture where each computer/process is either a client or serve

A

Client/Server Architecture

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16
Q

A netowkr hub is a device that allows multiple computers to communicate with each other over a network. The computers connect through ethernet ports built into the network hub. Typically hubs contain between four adn 12 ethernet ports. these devices are best suited for small local area networks.

A

Hubs

17
Q

Allow messages to between networks rather than within

A

Network Routers

18
Q

Significant part of many networks because they speed things up

A

Switches or Switching Hub

19
Q

Every computer is connected to a network through an NIC (mostly in the form of ethernet card)

A

Network Interface Card

20
Q

Type of cable that consists of 2 independently insulated wires twisted around 1 another. the use of 2 wires twisted together helps to reduce crosstalk and electromagnetic induction. While twisted-pair cable is used by older telephone networks and is the least expensive type of LAN cable, most networks contain some twisted-pair cabling at some point along the network.

A

Twisted-Pair Cable

21
Q

Wire that has a center wire that is surrounded by insulation and a grounded shield of braided wire that reduces electrical/radio frequency interference

A

Coaxial Cable

22
Q

Plastic fibers used to transmit data through light. It consists of a bundle of optical fibers that can send information over long distances at high bandwidth

A

Fiber Optic

23
Q

An adjective that describes any network or device that does not need a wired connection to transmit information or perform tasks. Instead of physical wires, wireless networks and devices use light waves or radio frequencies to function.

A

Wireless Network

24
Q

A cable rack that interconnects and manages telecommunications between itself and any number of IDF’s

A

Main Distribution Fram (MDF)

25
Q

A cable rack that interconnects and manages the telecommunications wiring between an MDF and workstation devices. Cables entering a building run through a centralized MDF, then each individual IDF.

A

Intermediate Distribution Frame (IDF)

26
Q

The capacity of data transfer in a system. Measured by bitrate

A

Bandwidth

27
Q

The # of bits a system can send per second

A

Bitrate

28
Q

The time it takes for a bit to get from sender to receiver

A

Latency

29
Q

Fiber optic have the best

A

Latency (speed of light )

30
Q

300 microseconds/kilometer

A

Average Ethernet speed

31
Q

What are networks connected through

A

Routers

32
Q

Electricity (Ethernet)
Light (fiber optic cables)
Radio (wifi, cell)

A

Ways to connect routers

33
Q

What is being sent?

A

Bits

34
Q

A protocol that defines the layout of an Internet address

A

The Internet protocol (IP)

35
Q

What do the parts mean 93.184.216.34

A

93 - network
184 - sub network
216 - sub sub network
34 - device

36
Q

What holds a lot of stuff and performs many tasks including firewall systems?

A

MDF (day in the life)

IDT (3 decks)

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