CompTIA Network + N10-008 Questions and Answers 2024

Layer 1 - Physical layer - Correct Answer signaling, cabling, connectors (Cable, NIC, Hub) Layer 2 - Data Link - Correct Answer the switching layer (frames, MAC addresses, EUI-48, EUI-64, switches) Layer 3 - Network - Correct Answer the routing layer (IP addresses, routers, packets) Layer 4 - Transport - Correct Answer the "post office" layer (TCP segments, UDP datagrams), ports Layer 5 - Session - Correct Answer communication between devices (control protocols, tunneling protocols) Layer 6 - Presentation - Correct Answer encoding and encryption (SSL/TLS) Layer 7 - Application - Correct Answer the layer we see - Google Mail, Twitter, Facebook Star Topology - Correct Answer all devices are connected to a central device Ring Topology - Correct Answer all nodes are connected to another in a closed loop Bus Topology - Correct Answer all nodes share a common line Mesh Topology - Correct Answer every node is connected to every other node Network Attached Storage (NAS) - Correct Answer a network-connected computer dedicated to providing file-based data storage services to other network devices, used in homes and small to medium sized businesses Storage Area Network (SAN) - Correct Answer A dedicated network storage facility that provides access to data storage over a high-speed network, used in professional and enterprise environments Network Function Virtualization (NFV) - Correct Answer replace physical network devices with virtual versions TIA/EIA 568A - Correct Answer green-white green, orange-white blue, blue-white orange, brown-white brown