GUARANTEED TO PASS 2026
◍ Extranet. Answer: Private network for authorized external users to
share information
◍ Internet Protocol (IP). Answer: Delivers packets across networks
by handling routing decisions
◍ Internet Protocol (IP) Suite. Answer: Another name for the TCP/IP
suite
◍ Internetworking. Answer: Connecting multiple computer networks
◍ Intranet. Answer: Private, internal network
◍ Logical Topology. Answer: Shows how devices connect to a
specific segment of the network
◍ Network Topology. Answer: Map of a network and how devices are
connected
◍ Open Systems Interconnection (OSI) Reference Model. Answer:
Framework of standards for computer system communication
,◍ Packet-switched. Answer: Networks that transmit packets as
individual messages
◍ Physical Topology. Answer: Physical network devices and devices
used to connect
◍ Point-to-point Network. Answer: Network consisting only of
directly connected computers and devices
◍ Transmission Control Protocol (TCP). Answer: Guarantees reliable
data stream between two computers
◍ Transmission Control Protocol/Internet Protocol (TCP/IP)
Reference Model. Answer: Descriptive framework for computer
network protocols
◍ Transmission Control Protocol/Internet Protocol (TCP/IP) Suite.
Answer: Collection that provides support to internet-capable systems
and devices
◍ Data Link Layer. Answer: Second layer of the OSI model, also
called Layer 2
◍ Bridges. Answer: Network devices that interconnect two or more
LANs
,◍ Ethernet. Answer: Wired system for connecting devices in local
area networks
◍ Hub. Answer: Hardware device that connects multiple networking
devices
◍ IEEE 802.3 Standards. Answer: Ethernet standards and protocols
established by IEEE
◍ IEEE 802.3 CSMA/CD Standards. Answer: Standard specifications
for Ethernet
◍ Physical Layer. Answer: First layer of the OSI model, also called
Layer 1
◍ Protocol. Answer: Established set of rules for data transmission
across devices
◍ Redundancy. Answer: Providing alternate means for network to
continue functioning
◍ Repeater. Answer: Device that receives and amplifies a signal
◍ Resilience. Answer: Ability to continue providing acceptable
service despite challenges
, ◍ Structured Wiring System. Answer: Modular cable solution that is
flexible
◍ Switches. Answer: Networking equipment that allows multiple
devices to communicate
◍ Connection-oriented Protocol. Answer: Sets up a connection
between source and destination
◍ Connectionless Protocol. Answer: Treats each connection
individually
◍ Datagram. Answer: Packets transmitted across networks
◍ Internet Assigned Numbers Authority (IANA). Answer:
Organization overseeing IP address allocations
◍ Network Address Translation (NAT). Answer: Maps local private
addresses to public ones
◍ ARPANET. Answer: Computer network developed by the
Department of Defense
◍ Layer 2 Tunneling Protocol (L2TP). Answer: Protocol supporting
virtual private networks (VPNs)