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Vocabulary List > CompTIA Network+ Vocabulary List > Flashcards

CompTIA Network+ Vocabulary List Flashcards

(100 cards)

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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
FTP (File Transfer Protocol)
Protocol for transferring files between systems.
24
Half-Duplex
Communication where data can be sent and received, but not simultaneously.
25
Gateway
Device that connects different networks.
26
Hop
Each pass through a router in a network path.
27
ICMP (Internet Control Message Protocol)
Protocol for error messages and operational information.
28
IGMP (Internet Group Management Protocol)
Protocol for managing multicast group memberships.
29
IPv4
Internet Protocol version 4, using 32-bit addresses.
30
IPv6
Internet Protocol version 6, using 128-bit addresses.
31
ISDN (Integrated Services Digital Network)
Circuit-switched telephone network system.
32
Jitter
Variation in packet arrival time.
33
Latency
Time delay in data transmission.
34
MAC Address
Unique identifier for network interfaces.
35
MIMO (Multiple Input Multiple Output)
Wireless technology to increase throughput.
36
MPLS (Multiprotocol Label Switching)
Technique for speeding up network traffic flow.
37
MTU (Maximum Transmission Unit)
Largest size of a packet that can be sent over a network.
38
NAT (Network Address Translation)
Translating private IP addresses to a public IP address.
39
NetBIOS (Network Basic Input/Output System)
API for software communication in a LAN.
40
NIC (Network Interface Card)
Hardware that connects a computer to a network.
41
OSPF (Open Shortest Path First)
Link-state routing protocol.
42
PDU (Protocol Data Unit)
Packet of data at different layers of the OSI model.
43
PoE (Power over Ethernet)
Technology to pass electrical power along with data over Ethernet cables.
44
PPP (Point-to-Point Protocol)
Protocol for direct communication between two network nodes.
45
QoS (Quality of Service)
Techniques to manage network resources and ensure performance.
45
PPPoE (Point-to-Point Protocol over Ethernet)
Encapsulating PPP frames inside Ethernet frames.
46
RADIUS (Remote Authentication Dial-In User Service)
Protocol for remote user authentication and accounting.
47
Repeater
Device to regenerate and amplify signals in a network.
47
RARP (Reverse Address Resolution Protocol)
Protocol to map MAC addresses to IP addresses.
48
Router
Device to forward data packets between networks.
49
Routing Table
Data table in a router storing routes to various network destinations.
50
RS-232
Standard for serial communication transmission.
51
SIP (Session Initiation Protocol)
Protocol for initiating, maintaining, and terminating real-time sessions.
52
SMTP (Simple Mail Transfer Protocol)
Protocol for sending email messages.
53
SNMP (Simple Network Management Protocol)
Protocol for network management and monitoring.
54
SSH (Secure Shell)
Protocol for secure remote access.
55
SSL/TLS (Secure Sockets Layer/Transport Layer Security)
Protocols for securing internet communication.
56
Subnet Mask
Mask used to determine the network and host portions of an IP address.
57
Switch
Device to connect devices within a network and forward data based on MAC addresses.
58
T1 Line
Digital transmission link with a data rate of 1.544 Mbps.
59
TCP (Transmission Control Protocol)
Connection-oriented protocol for reliable communication.
59
Traceroute
Network diagnostic tool to trace the path packets take.
60
Telnet
Protocol for remote login to another computer.
61
UDP (User Datagram Protocol)
Connectionless protocol for fast but unreliable communication.
62
VLAN (Virtual Local Area Network)
Subdividing a physical network into multiple logical networks.
63
VoIP (Voice over Internet Protocol)
Technology for voice communication over IP networks.
64
VPN (Virtual Private Network)
Secure private network over a public network.
65
WAN (Wide Area Network)
Network covering a large geographic area.
66
WAP (Wireless Access Point)
Device that allows wireless devices to connect to a wired network.
67
WEP (Wired Equivalent Privacy)
Weak security protocol for wireless networks.
68
WPA (Wi-Fi Protected Access)
Security protocol for wireless networks.
69
WPA2 (Wi-Fi Protected Access 2)
Enhanced security protocol for wireless networks.
70
X.25
Standard for packet-switched networks.
71
ARP Cache
Storage of IP-to-MAC address mappings.
72
Beacon Frame
Management frame in wireless networking.
73
Broadcast Address
Address used to send data to all devices in a network.
74
Collision Domain
Network segment where data packets can collide.
75
Command-Line Interface (CLI)
Interface for interacting with software via text commands.
76
Convergence
State when all routing tables are consistent.
77
Default Gateway
Router that connects a network to external networks.
78
Demilitarized Zone (DMZ)
Network segment exposed to external traffic.
79
Dynamic Routing
Automatically adjusting routes based on network changes.
80
Flooding
Sending packets to all parts of the network.
81
Gateway
Device that connects different types of networks.
82
Goodput
Measure of useful transmitted data.
83
IP Address
Numerical label for devices in a network.
84
Link Aggregation
Combining multiple network connections for redundancy or increased throughput.
85
MTTR (Mean Time to Repair)
Average time to repair a failed component.
86
Network Baseline
Standard of normal network performance.
87
NMS (Network Management System)
System to manage and monitor networks.
88
Overhead
Additional data or processing required to manage communications.
89
Packet Filtering
Controlling access by analyzing incoming and outgoing packets.
90
Routing Protocol
Protocol to determine the best path for data.
91
Session Layer
Layer 5 of the OSI model, managing sessions.
92
Spanning Tree Protocol (STP)
Protocol to prevent loops in a network.
93
Static Routing
Manually configured routes that do not change.
94
Syslog
Protocol for logging network messages.
95
Traffic Shaping
Controlling the flow of data to ensure quality of service.

Vocabulary List (4 decks)

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