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NETW-106 (CompTIA Network + N10-005) > Lesson 7: LAN Technologies > Flashcards

Lesson 7: LAN Technologies Flashcards

1
Q

A network composed of only independent wireless computers in which each device participates in forwarding packets.

A

Ad Hoc Wireless Network

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2
Q

Means that a cable can only carry one signal one way at one time.

A

Baseband

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3
Q

The basic unit of information storage; a single binary digit that is either 0 or 1. The term ___s is also used to describe the encapsulation component when data reaches the Physical layer of the OSI Model.

A

Bit

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4
Q

A technique used to increase network throughput by using two or more network interface cards (NICs), channels, or connections-instead of just one to push data through.

A

Bonding

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5
Q

A type of communications technology that can carry multiple signals simultaneously. See baseband.

A

Broadband

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6
Q

A method of communication in which one computer sends packets to all available computers on the network. See multicast and unicast.

A

Broadcast

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7
Q

A type of communications network that uses broadcast transmissions to send data across a local network. Ethernet uses this type of networking.

A

Broadcast Networking

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8
Q

A contention-based access method used by Ethernet to access wireless networks.

A

Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)

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9
Q

The primary contention-based access method that Ethernet uses to access wired networks.

A

Carrier Sense Multiple Access with Collision Detection (CSMA/CD)

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10
Q

A specific sub range of radio frequencies that has been set aside within the larger 2.4 GHz range.

A

Channel

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11
Q

A data transmission technique that uses two or more channels, instead of just one, to push data through a connection at a higher transfer rate.

A

Channel Bonding

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12
Q

An event in which two different data frames from two different computers interfere with each other because they were released onto the network at the same time.

A

Collision

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13
Q

The physical section of a network where the various devices connected to it run the risk of having their signals collide with each other because all the devices present use a shared media.

A

Collision Domain

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14
Q

A method of accessing a network in which the different nodes on the network segment compete to see which node can send out its packet first. (Or, in other words, a contest between nodes to see which one can access the network first. I wonder if there’s a ribbon. I have no clue what the hell this means, so maybe I’ll read this section of the book)

A

Contention-Based Access Method

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15
Q

How far data has to travel to get from one point on a network to another.

A

Distance

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16
Q

A process that allows either the header or the entire data packet to be encoded using a predetermined algorithm in such a way that if an eavesdropper on the network can intercept the data as it’s transmitted, he still can’t understand it without knowing how to decode it.

A

Encryption

17
Q

One of the oldest and the most widely used LAN technologies in use today that defines numerous wiring and frame header standards.

A

Ethernet

18
Q

A revision of Ethernet_802.3 in which an identifier number is included to enable the frame header to work with the Data Link layer of the OSI Model. (WTF)

A

Ethernet_802.2

19
Q

A version of Ethernet, developed by Novell, that doesn’t include a Layer 2 Data Link identifier. As a result, it can work only with Novell’s IPX packets. See Novell Ethernet. (WTF)

A

Ethernet_802 .3

20
Q

A method of combining the bandwidth from two or more Ethernet links, to push data through a connection at a higher rate.

A

Ethernet Bonding

21
Q

The most widely used Ethernet frame type that can be used directly by the Internet Protocol (IP).

A

Ethernet DIX/Ethernet II

22
Q

revision of the Ethernet_802.2 Logical Link Control standard that allows a larger number of protocols to run on the network.

A

Ethernet SNAP (Subnetwork Access Protocol)

23
Q

A data transmission speed of billions of bits per second.

A

Gigabits Per Second (gbps)

24
Q

A type of wireless network that uses a wireless access point (WAP) to control access and is often connected to a larger wired network.

A

Infrastructure Wireless Network

25
Q

A data transmission speed of thousands of bits per second.

A

Kilobits Per Second (kbps)

26
Q

A bonding method in which multiple network cables and ports are used to increase link speed.

A

Link Aggregation

27
Q

A technology in which only a pre-programmed MAC address is allowed access to a specific wireless access point (WAP).

A

MAC Address Filtering

28
Q

A data transmission speed of millions of bits per second.

A

Megabits Per Second (mbps)

29
Q

A form of bonding which makes it possible to bind two or more ports together on certain switches to allow for fault tolerance or greater throughput between switches or between a switch and a router. Also known as port bonding. (WHAT?!)

A

Multilink Trunking (MLT)

30
Q

A bonding technique that provides network redundancy.

A

Network Fault Tolerance (NFT)

31
Q

Another name for the Ethernet_802.3 frame type, which can run only with Novell’s IPX packets. (WTF is a Novell Packet)

A

Novell Ethernet

32
Q

A form of bonding which makes it possible to bind two or more ports together on certain switches to allow for fault tolerance or greater throughput between switches or between a switch and a router. Also known as Multilink Trunking (MLT). (WTF)

A

Port Bonding

33
Q

A bonding technology that protects data stored at the file system level by providing redundancy across network nodes much like RAID does across hard disk.

A

Redundant Array of Independent Nodes (RAIN)

34
Q

The network name for a particular wireless access point (WAP).

A

Service Set Identifier (SSID)

35
Q

A special category of small LANs used for home offices or small business offices that only contains a small number of networked devices that are well-integrated with the other network devices in the home or office in which it is set up.

A

Small Office Home Office (SOHO)

36
Q

The measure of how much data can move through a network in a given amount of rime.

A

Speed

37
Q

A standardized multiplexing protocol used to transfer multiple digital bit streams, also called channels, over fiber-optic cables.

A

Synchronous Optical Network (SONET)

38
Q

A data transmission speed of trillions of bits per second.

A

Terabits Per Second (tbps)

NETW-106 (CompTIA Network + N10-005) (12 decks)

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