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Vocabulary List > CompTIA Network+ Vocabulary List > Flashcards

CompTIA Network+ Vocabulary List Flashcards

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1
Q

10Base-T

A

Ethernet standard for 10 Mbps over twisted-pair cabling.

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2
Q

100Base-TX

A

Ethernet standard for 100 Mbps over twisted-pair cabling.

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3
Q

802.1Q

A

VLAN tagging protocol in Ethernet frames.

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4
Q

802.11ac

A

Wi-Fi standard for high-speed wireless networks.

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5
Q

802.11ax

A

Wi-Fi 6 standard for next-generation wireless networks.

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6
Q

ACL (Access Control List)

A

List defining permissions for users and systems.

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7
Q

ADSL (Asymmetric Digital Subscriber Line)

A

DSL variant with different upload and download speeds.

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8
Q

ARP (Address Resolution Protocol)

A

Protocol for mapping IP addresses to MAC addresses.

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9
Q

Asynchronous Transmission

A

Data transmission without synchronization.

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10
Q

Bandwidth

A

Data transfer capacity of a network.

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11
Q

BGP (Border Gateway Protocol)

A

Protocol for exchanging routing information between networks.

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12
Q

Bitrate

A

Number of bits transmitted per second.

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13
Q

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

A

Network protocol to avoid collisions in wireless networks.

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14
Q

Broadcast Domain

A

A network segment where a broadcast packet is forwarded to all devices.

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15
Q

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

A

Network protocol to detect and handle collisions in Ethernet networks.

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16
Q

Data Link Layer

A

Layer 2 of the OSI model, responsible for node-to-node data transfer.

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17
Q

DNS (Domain Name System)

A

System that translates domain names to IP addresses.

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17
Q

DHCP (Dynamic Host Configuration Protocol)

A

Protocol for dynamically assigning IP addresses to devices.

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18
Q

EIGRP (Enhanced Interior Gateway Routing Protocol)

A

Advanced distance-vector routing protocol.

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19
Q

Encapsulation

A

Process of wrapping data with necessary protocol information.

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20
Q

Ethernet Frame

A

Structure for data packets in Ethernet networks.

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21
Q

Firewall

A

Device or software to block unauthorized access to a network.

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22
Q

Full-Duplex

A

Communication where data can be sent and received simultaneously.

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22
Q

Frame Relay

A

WAN protocol for connecting networks.

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23
Q

FTP (File Transfer Protocol)

A

Protocol for transferring files between systems.

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24
Q

Half-Duplex

A

Communication where data can be sent and received, but not simultaneously.

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25
Q

Gateway

A

Device that connects different networks.

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26
Q

Hop

A

Each pass through a router in a network path.

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27
Q

ICMP (Internet Control Message Protocol)

A

Protocol for error messages and operational information.

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28
Q

IGMP (Internet Group Management Protocol)

A

Protocol for managing multicast group memberships.

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29
Q

IPv4

A

Internet Protocol version 4, using 32-bit addresses.

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30
Q

IPv6

A

Internet Protocol version 6, using 128-bit addresses.

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31
Q

ISDN (Integrated Services Digital Network)

A

Circuit-switched telephone network system.

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32
Q

Jitter

A

Variation in packet arrival time.

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33
Q

Latency

A

Time delay in data transmission.

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34
Q

MAC Address

A

Unique identifier for network interfaces.

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35
Q

MIMO (Multiple Input Multiple Output)

A

Wireless technology to increase throughput.

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36
Q

MPLS (Multiprotocol Label Switching)

A

Technique for speeding up network traffic flow.

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37
Q

MTU (Maximum Transmission Unit)

A

Largest size of a packet that can be sent over a network.

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38
Q

NAT (Network Address Translation)

A

Translating private IP addresses to a public IP address.

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39
Q

NetBIOS (Network Basic Input/Output System)

A

API for software communication in a LAN.

40
Q

NIC (Network Interface Card)

A

Hardware that connects a computer to a network.

41
Q

OSPF (Open Shortest Path First)

A

Link-state routing protocol.

42
Q

PDU (Protocol Data Unit)

A

Packet of data at different layers of the OSI model.

43
Q

PoE (Power over Ethernet)

A

Technology to pass electrical power along with data over Ethernet cables.

44
Q

PPP (Point-to-Point Protocol)

A

Protocol for direct communication between two network nodes.

45
Q

QoS (Quality of Service)

A

Techniques to manage network resources and ensure performance.

45
Q

PPPoE (Point-to-Point Protocol over Ethernet)

A

Encapsulating PPP frames inside Ethernet frames.

46
Q

RADIUS (Remote Authentication Dial-In User Service)

A

Protocol for remote user authentication and accounting.

47
Q

Repeater

A

Device to regenerate and amplify signals in a network.

47
Q

RARP (Reverse Address Resolution Protocol)

A

Protocol to map MAC addresses to IP addresses.

48
Q

Router

A

Device to forward data packets between networks.

49
Q

Routing Table

A

Data table in a router storing routes to various network destinations.

50
Q

RS-232

A

Standard for serial communication transmission.

51
Q

SIP (Session Initiation Protocol)

A

Protocol for initiating, maintaining, and terminating real-time sessions.

52
Q

SMTP (Simple Mail Transfer Protocol)

A

Protocol for sending email messages.

53
Q

SNMP (Simple Network Management Protocol)

A

Protocol for network management and monitoring.

54
Q

SSH (Secure Shell)

A

Protocol for secure remote access.

55
Q

SSL/TLS (Secure Sockets Layer/Transport Layer Security)

A

Protocols for securing internet communication.

56
Q

Subnet Mask

A

Mask used to determine the network and host portions of an IP address.

57
Q

Switch

A

Device to connect devices within a network and forward data based on MAC addresses.

58
Q

T1 Line

A

Digital transmission link with a data rate of 1.544 Mbps.

59
Q

TCP (Transmission Control Protocol)

A

Connection-oriented protocol for reliable communication.

59
Q

Traceroute

A

Network diagnostic tool to trace the path packets take.

60
Q

Telnet

A

Protocol for remote login to another computer.

61
Q

UDP (User Datagram Protocol)

A

Connectionless protocol for fast but unreliable communication.

62
Q

VLAN (Virtual Local Area Network)

A

Subdividing a physical network into multiple logical networks.

63
Q

VoIP (Voice over Internet Protocol)

A

Technology for voice communication over IP networks.

64
Q

VPN (Virtual Private Network)

A

Secure private network over a public network.

65
Q

WAN (Wide Area Network)

A

Network covering a large geographic area.

66
Q

WAP (Wireless Access Point)

A

Device that allows wireless devices to connect to a wired network.

67
Q

WEP (Wired Equivalent Privacy)

A

Weak security protocol for wireless networks.

68
Q

WPA (Wi-Fi Protected Access)

A

Security protocol for wireless networks.

69
Q

WPA2 (Wi-Fi Protected Access 2)

A

Enhanced security protocol for wireless networks.

70
Q

X.25

A

Standard for packet-switched networks.

71
Q

ARP Cache

A

Storage of IP-to-MAC address mappings.

72
Q

Beacon Frame

A

Management frame in wireless networking.

73
Q

Broadcast Address

A

Address used to send data to all devices in a network.

74
Q

Collision Domain

A

Network segment where data packets can collide.

75
Q

Command-Line Interface (CLI)

A

Interface for interacting with software via text commands.

76
Q

Convergence

A

State when all routing tables are consistent.

77
Q

Default Gateway

A

Router that connects a network to external networks.

78
Q

Demilitarized Zone (DMZ)

A

Network segment exposed to external traffic.

79
Q

Dynamic Routing

A

Automatically adjusting routes based on network changes.

80
Q

Flooding

A

Sending packets to all parts of the network.

81
Q

Gateway

A

Device that connects different types of networks.

82
Q

Goodput

A

Measure of useful transmitted data.

83
Q

IP Address

A

Numerical label for devices in a network.

84
Q

Link Aggregation

A

Combining multiple network connections for redundancy or increased throughput.

85
Q

MTTR (Mean Time to Repair)

A

Average time to repair a failed component.

86
Q

Network Baseline

A

Standard of normal network performance.

87
Q

NMS (Network Management System)

A

System to manage and monitor networks.

88
Q

Overhead

A

Additional data or processing required to manage communications.

89
Q

Packet Filtering

A

Controlling access by analyzing incoming and outgoing packets.

90
Q

Routing Protocol

A

Protocol to determine the best path for data.

91
Q

Session Layer

A

Layer 5 of the OSI model, managing sessions.

92
Q

Spanning Tree Protocol (STP)

A

Protocol to prevent loops in a network.

93
Q

Static Routing

A

Manually configured routes that do not change.

94
Q

Syslog

A

Protocol for logging network messages.

95
Q

Traffic Shaping

A

Controlling the flow of data to ensure quality of service.

Vocabulary List (4 decks)

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