1
Q
An outdated Wi-Fi standard that transmitted up to 54 Mbps.
A
802.11a
2
Q
A Wi-Fi standard that supports up to 7 Gbps (actual speeds are currently about 1300 Mbps) and uses 5.0 GHz radio frequency and beamforming.
A
802.11ac
Also called Wi-Fi 5
3
Q
A Wi-Fi standard that supports up to eight antennas and beamforming to increase signal strength; uses 5 GHz frequency only.
A
802.11ax
Also called Wi-Fi 6
4
Q
An outdated Wi-Fi standard that transmitted up to 11 Mbps and experienced interference from cordless phones and microwaves.
A
802.11b
5
Q
An outdated Wi-Fi standard that was compatible with and replaced 802.11b.
A
802.11g
6
Q
A Wi-Fi standard that supports up to 600 Mbps, uses 5.0 GHz or 2.4 GHz radio frequency, and supports MIMO.
A
802.11n
Also called Wi-Fi 4
7
Q
The practice of using virtualization to create a virtual environment in memory for an application to virtually install itself.
A
application virtualization
8
Q
In relation to analog communication, the range of frequencies that a communications channel or cable can carry. In general use, the term refers to the volume of data that can be transmitted on a bus or over a cable; bandwidth is stated in bits per second (bps), kilobits per second (Kbps), megabits per second (Mbps), or gigabits per second (Gbps). Also called data throughput or line speed.
A
bandwidth
9
Q
A technique supported by the IEEE 802.11ac Wi-Fi standard; detects the location of connected devices and increases signal strength in that direction.
A
beamforming
10
Q
An outdated network connector used with thin coaxial cable; some are T-shaped and are called T-connectors. One end of the T connects to the NIC, and the two other ends can connect to cables or end a bus formation with a terminator.
A
BNC Connector
11
Q
A networking device that stands between two segments of a network and manages traffic between them.
A
bridge
12
Q
A transmission technique that carries more than one type of transmission on the same medium, such as voice and DSL on a regular telephone line.
A
broadband
13
Q
A broadband technology that uses cable TV lines and is always connected (always up).
A
cable Internet
14
Q
A hand tool used to cut away the plastic jacket or coating around the wires of a network cable.
A
cable stripper
15
Q
A tool used to test a cable to find out if it is good or to iden
A
cable tester
You might damage a cable tester if you connect it to a live circuit, so before you start connecting the cable tester to wall jacks, be sure that you turn off all devices on the network.
16
Q
A rating used for UTP cables and rated for Fast Ethernet; seldom used today.
A
CAT-5
17
Q
A popular rating used for UTP cables and rated for Fast Ethernet and Gigabit Ethernet.
A
CAT-5e
18
Q
A rating used for twisted-pair cables that have less crosstalk than CAT-5e cables. CAT-6 cables might contain a plastic cord down the center that helps to prevent crosstalk, but they are less flexible and more difficult to install than CAT-5e.
A
CAT-6
19
Q
A rating used for twisted-pair cables that are thicker and faster than CAT-6 and rated for 10GBase-T (10-Gigabit Ethernet).
A
CAT-6a
20
Q
A specific radio frequency within a broader frequency range or category.
A
channel
21
Q
A service where server-side virtualization is delegated to a third-party service, and the Internet is used to connect server and client machines.
A
cloud computing
22
Q
A cable that has a single copper wire down the middle and a braided shield around it.
A
coaxial (coax) cable
23
Q
Online resources and services that are shared between multiple organizations but are not available publicly.
A
community cloud
24
Q
A hand tool used to attach a terminator or connector to the end of a cable.
A
crimper
25
A cable used to connect two like devices such as a hub to a hub or a computer to a computer (to make the simplest network of all). The transmit connectors at one end of the cable are wired as the receiving connectors at the other end of the cable and vice versa.
crossover cable
26
Virtualization of different OSs on the same host platform.
cross-platform virtualization
27
A type of cable designed to be buried in the ground without any conduit.
direct burial
28
A telephone line that carries digital data from end to end and is used as a type of broadband Internet access.
DSL (digital subscriber line)
29
A device that converts a computer’s digital signal to analog before sending it over telephone lines and converts incoming analog data to digital.
DSL modem
30
An Ethernet standard that operates at 100 Mbps and uses twisted-pair cabling up to 100 meters (328 feet); variations of 100BaseT are 100BaseTX and 100BaseFX.
Fast Ethernet
31
As applied to Internet access technologies, a dedicated, leased line that uses fiber-optic cable from the ISP to a residence or place of business.
fiber optic
32
Cable that transmits signals as pulses of light over glass or plastic strands inside protected tubing.
fiber-optic cable
33
A connector found on coaxial cable that is commonly used for cable TV and cable modems.
F-Type Connector
34
A version of Ethernet that supports rates of data transfer up to 1 gigabit per second.
Gigabit Ethernet
35
A term that describes communications in which there is significant delay in the receipt of the data after transmission.
high latency
36
A combination of public, private, and community clouds used by the same organization. For example, a company might store data in a private cloud but use a public cloud email service.
hybrid cloud
37
Software that creates and manages virtual machines on a server or on a local computer. Also called virtual machine manager (VMM).
hypervisor
38
A cloud computing service that provides only hardware, which can include servers, storage devices, and networks. Does not include an installed OS from the provider.
IaaS
| Infrastructure as a Service
39
The network of devices, such as cameras, refrigerators, and locks, that have an IP address and can connect to the local network and are accessible from the Internet.
IoT
| Internet of Things
40
Software that monitors all network traffic and creates alerts when suspicious activity happens; can run on a UTM appliance, router, server, or workstation.
IDS
| intrusion detection system
## Footnote
Compare with intrusion prevention system (IPS).
41
IPS
| intrusion protect system
42
A network bound by routers or other gateway devices that usually covers only a small area, such as one building.
LAN
| local area network
43
A fiber-optic cable connector that can be used with either single-mode or multimode fiber-optic cables and is easily terminated; smaller than an SC connector.
LC Connector
| Lucent connector
44
Operating systems and applications that are no longer supported by the developer.
legacy software
45
A frequency that has been allocated for a specific purpose and is strictly regulated. Compare to unlicensed frequency.
licensed frequency
46
A technology where requests for connection are spread across multiple physical or logical systems. Common in cloud computing to increase availability of systems and data under periods of high activity.
load balancer
47
Wireless networking technology similar to the Wi-Fi connection in your home but utilizing high-powered antennas for longdistance coverage areas.
LRFW
| long-range fixed wireless
48
A type of network that covers a large city or campus.
MAN
| metropolitan area network
49
A switch that has firmware that can be configured to monitor, manage, and prioritize network traffic.
managed switch
50
Service calculations used to charge end customers for use of a service, system, or application.
meter
51
A location created by a mobile device so that other devices or computers can connect by Wi-Fi to the device and to the Internet.
mobile hotspot
52
Measurement of the fluctuations in latency of packets on a network.
network jitter
53
A test access point (TAP) used to monitor network traffic. Commonly used with an IDS/IPS or packet capture application.
network tap
54
A fiber-optic connection that converts fiber optic to copper cabling for connection to customer equipment.
ONT
| optical network terminal
55
A cloud computing service that provides hardware and an operating system and is responsible for updating and maintaining both.
PaaS
| Platform as a Service
56
A small network consisting of personal devices at close range; the devices can include smartphones, PDAs, and notebook computers.
PAN
| personal area network
57
An Ethernet cable used to connect a computer to a switch or other network device. Also called a patch cable.
patch cable
58
A device that provides multiple network ports for cables that converge in one location such as an electrical closet or server room.
patch panel
59
The area between floors of a building.
plenum
60
A device that adds power to an Ethernet cable so the cable can provide power to a device.
PoE injector
61
A switch capable of transmitting power to PoE-capable devices.
PoE-rated switch
62
A condition when an interface or a port on a switch is continually going up and down.
port flapping
63
A feature that might be available on high-end wired network adapters that allows **15.4 watts** of power to be transmitted over Ethernet cable to remote devices.
PoE
| power over Ethernet
## Footnote
Compare to Power over Ethernet plus.
64
A feature that might be available on high-end wired network adapters that allows **25.5 watts** of power to be transmitted over Ethernet cable to remote devices.
PoE+
| power over Ethernet plus
## Footnote
Compare to Power over Ethernet.
65
Services on the Internet that an organization provides on its own servers or that are established virtually for a single organization’s private use.
private cloud
66
Cloud computing services provided over the Internet to the general public. Microsoft 365 and Amazon Web Service’s EC2 and S3 service are examples.
public cloud
67
A physical connection device used to connect wiring to patch panels or an on-site telephone system.
punchdown block
| Also called a 110-block.
68
A hand tool used to punch individual wires from a network cable into their slots on a punchdown block to terminate the cable.
punchdown tool
69
The product used to cover Ethernet cables; it is not safe to be used in a plenum because it gives off toxic fumes when burned.
PVC
| polyvinyl chloride
70
A cloud computing service that is capable of scaling up or down as a customer’s need level changes.
rapid elasticity
71
A networking device that amplifies and retransmits a wireless signal to a wider coverage area and uses a new network name for the rebroadcast.
repeater
72
A cloud computing service that delivers software applications to subscribers through a web interface rather than installing on their local machine. Microsoft 365 is an example.
SaaS
| Software as a Service
73
Specialized network segment used for storage of data and information using a high-speed connection.
SAN
| storage area network
74
An environment in which users and developers can practice or test with data and processes that don’t affect the real data or system where mistakes have little consequence.
sandbox
75
A network connection that connects a ground station with a satellite located in space.
satellite
76
A type of snap-in connector that can be used with either single-mode or multimode fiber-optic cables; not used with the fastest fiber-optic networking.
SC Connector
| subscriber connector
77
A cable that is made of one or more twisted pairs of wires and is surrounded by a metal shield.
STP
| shielded twisted-pair cable
## Footnote
Compare with UTP (unshielded twisted-pair) cable.
78
A small flash memory card that contains all the information a device needs to connect to a GSM or LTE cellular network, including a password and other authentication information needed to access the network, encryption standards used, and the services that a subscription includes.
SIM card
| subscriber identity module
79
A network management concept in which a network-wide software controller makes dynamic and efficient decisions about the configurations and routing of data rather than relying on the networking hardware to do so.
SDN
| software-defined networking
80
A type of connector that can be used with either single-mode or multimode fiber-optic cables. The connector does not support full-duplex transmissions and is not used on the fastest fiber-optic systems.
ST connector
| straight tip
81
An Ethernet cable used to connect a computer to a switch or other network device. Also called a patch cable.
straight-through cable
82
A control system used in industrial environments to control and supervise machines and processes for machinery plants.
SCADA
| supervisory control and data acquisition
83
Standards for wiring twisted-pair network cabling and RJ-45 connectors; in this standard, the green pair of wires is connected to pins 1 and 2, and the orange pair is connected to pins 3 and 6.
T568A
84
Standards for wiring twisted-pair network cabling and RJ-45 connectors; in this standard, the orange pair of wires uses pins 1 and 2, and the green pair is connected to pins 3 and 6.
T568B
85
Experimentation with software application, hardware system configurations, or other technology before implementation to production systems.
test development
86
A two-part kit used to find cables in the walls of a building. The toner connects to one end of the cable and puts out a pulsating tone that the probe can sense.
| May be called by two terms.
* tone generator and probe
* toner probe
87
Cabling, such as a network cable, that uses pairs of wires twisted together to reduce crosstalk.
twisted-pair cabling
88
A computer, security appliance, network appliance, or Internet appliance that stands between the Internet and a private network.
This device may run a firewall, anti-malware software, spam gateway, identity-based access control lists, intrusion detection or prevention system, endpoint management server and/or VPN to protect the network.
| Considered a next-generation firewall (NGFW)
UTM
| unified threat management
89
A frequency that is not assigned for a particular radio frequency application. Frequency is normally not governed or managed by any governing body.
unlicensed frequency
90
A switch that requires no setup or configuration.
unmanaged switch
| Compare with managed switch.
91
Twisted-pair networking cable commonly used on LANs that is less expensive than STP cable and does not contain shielding to prevent electromagnetic interference.
UTP
| unshielded twisted-pair cable
## Footnote
Compare with STP (shielded twisted-pair) cable.
92
When a hypervisor manages a virtual machine and presents the VM’s desktop to a user. A remote user normally views and manages it via a browser on the local computer.
virtual desktop
93
A presentation of a virtual desktop made to a client computer by a hypervisor on a server in the cloud.
VDI
| virtual desktop infrastructure
94
A subnet of a larger network created to reduce network traffic. Managed switches are commonly used to set these up.
VLAN
| virtual LAN
95
A network adapter created by a hypervisor that is used by a virtual machine and emulates a physical NIC.
virtual NIC
96
A security technique that uses encrypted data packets between a private network and a computer somewhere on the Internet.
VPN
| virtual private network
97
A network or group of networks that span a large geographical area.
WAN
| wide area network
98
Hardware and/or software that monitors a Wi-Fi network to detect devices not authorized to use the network, identify attempts to hack transmissions, or detect performance and security vulnerabilities.
Wi-Fi analyzer
99
Internet service provider that connects customers to the Internet using high-powered wireless antennas.
WISP
| wireless Internet service provider
100
A type of LAN that does not use wires or cables to create connections but instead transmits data over radio or infrared waves.
WLAN
| wireless local area network
101
An open-ended cloud computing service that can provide any combination of functions depending on a customer’s exact needs.
XaaS
| Anything/Everything as a Service
102
# What is the maximam allowable length of
Twisted-Pair Cable
(UTP or STP)
| 10 Mbps, 100 Mbps, 1000 Mbps, 1 Gbps, or 10 Gbps
## Footnote
10BaseT (Ethernet), 100BaseT(Fast Ethernet), 1000BaseT(Gibabit Ethernet, and 10GBaseT (10-Gigabit Ethernet)
100 m or 328 ft.
103
# What is the maximam allowable length of
Fiber-optic Cable using ST, SC, or LC connectors
| 100 Mbps, 1 Gbps
## Footnote
100BaseFL, 100BaseFX, 1000BaseFX or 1000BaseX (fiber optic)
up to 2 km or 6562 ft.
104
# What is the maximam allowable length of
Fiber-optic cables using SC or LC connectors
| 10 Gbps
## Footnote
10GBase ER, 10GBase SR, 10GBaseSW, 10GBase SX
Up to 550 meters
105
A server that provides monitoring of various devices on the network, from computers and laptops to mobile devices like smartphones, tablets, or even barcode readers.
This service can ensure that such devices are kept up to date with current anti-malware requirements, operating system patches, and application updates. The system will restrict the device’s access to the network until that device meets the security requirements, which gives an additional layer of protection to other network resources.
Endpoint management server
ITN 107
flashcards
Decks in class (10)
# Cards
-
01: Taking a Computer Apart and Putting it Back Together112
-
02. All About Motherboards58
-
03. Supporting Processors & Upgrading Memory48
-
04. Power Supplies and Troubleshooting Computer Problems24
-
04. Troubleshooting Hardware Problems21
-
05. Supporting Hard Drives and Other Storage Devices47
-
06. Supporting I/O Devices32
-
07. Network Fundamentals112
-
07. Port Numbers17
-
08. Network Infrastructure and Cloud Computing105
