Flashcards · IT & Cloud
N10-009 Flashcards
Free flashcards for CompTIA Network+ (N10-009): flip each card to reveal the definition. Built from the CompTIA Network+ (N10-009) glossary as a study aid, these are concept checks, not real exam questions.
1 / 21
Click the card (or press Space) to flip · use Prev/Next to move
All 21 terms
- OSI model
- A seven-layer model describing how networks communicate.
- Protocol
- Agreed rules for how devices exchange data.
- IP address
- A numeric address identifying a device on a network.
- Subnet
- A logical division of an IP network.
- Subnet mask
- Defines the network vs host portion of an IP.
- Default gateway
- The router used to reach other networks.
- DNS
- Resolves names to IP addresses.
- DHCP
- Automatically assigns IP addresses.
- NAT
- Translates private addresses to public ones.
- VLAN
- A logical segment of a switched network.
- Switch
- Forwards frames within a local network.
- Router
- Forwards packets between networks.
- Firewall
- Filters traffic based on rules.
- Latency
- The delay before data transfer begins.
- Bandwidth
- The maximum data rate of a link.
- Throughput
- The actual data rate achieved.
- Topology
- The arrangement of a network (star, mesh, etc.).
- Wireless standard
- Wi-Fi generations (e.g., 802.11ax).
- PoE
- Power over Ethernet - power and data on one cable.
- SNMP
- A protocol for monitoring network devices.
- QoS
- Quality of Service - prioritising certain traffic.