Network+ Home
Network+ PBQ Library
Hands-on Performance-Based Questions for N10-009. Subnetting calculators, topology builders, and firewall ACLs — just like the real exam.
D1: Networking Concepts
OSI Model Layer Matching
Drag protocols and network devices (HTTP, TCP, router, switch) to the correct OSI layer. Tests Layer 1-7 knowledge.
OSI model
Protocol encapsulation
Layer identification
Not attempted
Launch Lab
D1: Networking Concepts
Subnetting & IP Addressing Lab
Calculate subnets, network IDs, masks, first/last usable IPs, and broadcast addresses. Assign departments with VLSM.
CIDR/VLSM
Subnet calculation
IP addressing
Not attempted
Launch Lab
D2: Network Implementation
Network Topology Builder
Drag and drop network devices (router, switch, firewall, AP, server, workstation) into the correct zones.
Topology design
Device placement
Network zones
Not attempted
Launch Lab
D4: Network Security
Firewall ACL Configurator
Build firewall rules with direction, protocol, CIDR sources, ports, and implicit deny-all policy.
ACL rules
CIDR notation
Deny-all policy
Not attempted
Launch Lab