Practice Quizzes
Test your networking knowledge with real exam-style questions. Each quiz picks 20 random questions.
CCNA
Cisco Certified Network Associate — routing, switching, wireless, security, and automation fundamentals.
CCNP Enterprise
CCNP Enterprise ENCOR 350-401 — advanced routing, switching, SD-Access, automation, and network assurance.
CCNP Security
CCNP Security SCOR 350-701 — firewalls, VPN, ISE, endpoint protection, cloud and content security.
Cisco SD-WAN
Cisco Catalyst SD-WAN — vManage, vSmart, OMP, TLOCs, policies, templates, and operations.
Palo Alto Firewall
Palo Alto Networks PAN-OS — security zones, policies, App-ID, GlobalProtect, Panorama, and HA.
FortiNet / FortiGate
Fortinet NSE4 FortiGate — firewall policies, security profiles, VPN, HA, SD-WAN, and FortiOS administration.
AI & ML Fundamentals
AI and Machine Learning foundations — supervised/unsupervised learning, deep learning, NLP, LLMs, and AIOps.
Network Fundamentals
Networking basics — OSI model, TCP/IP, subnetting, Ethernet, DNS, DHCP, cabling, and wireless fundamentals.
SOC Analyst
Security Operations Center — threat detection, SIEM, incident response, MITRE ATT&CK, and forensics.
NOC Engineer
Network Operations Center — monitoring, troubleshooting, ITIL incident management, and infrastructure operations.
NetDevOps
Network DevOps — Git, CI/CD, Ansible, Terraform, APIs, containers, and automated testing for network engineers.
Prompt Engineering
AI Prompt Engineering — techniques, patterns, RAG, safety, and production deployment of LLM applications.
Subnetting Mastery
Master IPv4 subnetting — binary math, CIDR, VLSM, and real-world addressing scenarios.
TCP/IP Deep Dive
TCP/IP protocol suite — handshakes, flags, windowing, ICMP, ARP, and packet header analysis.
Routing & Switching Essentials
Core routing and switching — OSPF, EIGRP, BGP, VLANs, STP, and inter-VLAN routing.
Network Troubleshooting
Systematic network troubleshooting — OSI approach, common issues, tools, and real-world scenarios.
Firewall & VPN Fundamentals
Firewall concepts, ACLs, NAT, IPsec VPN, SSL VPN, and DMZ architecture.
Linux for Network Engineers
Essential Linux networking — ip, ss, tcpdump, iptables, SSH, systemd, and network troubleshooting.
Cloud Networking
Cloud networking fundamentals — AWS VPC, Azure VNet, security groups, load balancers, and hybrid connectivity.
Network Design & Architecture
Network design principles — campus, data center, WAN, QoS, HA, and capacity planning.
BGP in the Real World
BGP deep dive — eBGP/iBGP, path selection, communities, route reflectors, and troubleshooting.
OSPF Mastery
OSPF deep dive — multi-area, LSA types, DR/BDR, stub areas, and troubleshooting.
Spanning Tree & Layer 2
STP/RSTP/MST — root bridge, port roles, BPDU guard, and loop prevention.
IPv6 Essentials
IPv6 addressing, SLAAC, DHCPv6, NDP, OSPFv3, and transition mechanisms.
MPLS & VPN Technologies
MPLS label switching, L3VPN, PE/CE/P roles, RD vs RT.
Wireless Networking
Wi-Fi standards, WLC, AP modes, roaming, RF fundamentals, and security.
QoS & Traffic Management
DSCP, queuing, shaping, policing, and traffic classification.
NAT Deep Dive
Static NAT, dynamic NAT, PAT, order of operations, and troubleshooting.
ACL Deep Dive
Standard, extended, named ACLs, wildcard masks, and troubleshooting.
DHCP & DNS Protocols
DHCP DORA, relay agents, DNS hierarchy, record types, and troubleshooting.
Checkpoint Firewall
Checkpoint SmartConsole, security layers, ClusterXL, threat prevention, and VPN.
Cisco ISE Deep Dive
ISE node roles, 802.1X flows, RADIUS, posture, profiling, TrustSec.
SIEM & Log Analysis
SIEM architecture, Splunk SPL, ELK stack, QRadar, correlation rules.
Penetration Testing Basics
Recon, scanning, vulnerability assessment, OWASP, and ethical boundaries.
Incident Response & Forensics
NIST IR lifecycle, containment, evidence handling, and forensics.
Cryptography & PKI
Symmetric/asymmetric encryption, hashing, PKI, TLS handshake.
DDoS & Web App Security
DDoS types, WAF, SQL injection, XSS, CSRF, and mitigation.
Zero Trust Security
Zero trust principles, microsegmentation, SASE, ZTNA.
Email & DNS Security
SPF, DKIM, DMARC, phishing detection, DNSSEC, DNS tunneling.
Compliance & Frameworks
ISO 27001, NIST CSF, PCI-DSS, GDPR, SOC 2, and audit readiness.
AWS Networking
AWS VPC, subnets, Transit Gateway, Direct Connect, Route 53, security groups.
Azure Networking
Azure VNet, NSG, Firewall, VPN Gateway, ExpressRoute, Load Balancer.
Kubernetes Networking
Pod networking, Services, Ingress, CNI, Network Policies.
Docker & Containers
Docker architecture, Dockerfile, networking, volumes, security.
Python for Network Engineers
Netmiko, Paramiko, NAPALM, parsing, REST APIs, automation scripts.
Ansible for Networks
Playbooks, inventory, modules, Jinja2 templates, roles, vault.
Terraform Fundamentals
HCL, providers, state, modules, plan/apply, workspaces.
GCP Networking
GCP VPC, firewall rules, Cloud NAT, Load Balancing, Interconnect.
CI/CD for Infrastructure
GitHub Actions, GitLab CI, pipeline stages, config validation, GitOps.
API & REST Fundamentals
REST principles, HTTP methods, status codes, authentication, JSON.
Networking Interview Q&A
Top-asked networking interview questions with scenario-based answers.
Security Interview Q&A
SOC analyst and security engineer interview questions.
Cloud Interview Q&A
AWS/Azure cloud networking interview questions.
DevOps Interview Q&A
CI/CD, containers, IaC, and automation interview questions.
Troubleshooting Scenarios
Real-world "the network is down" scenario-based troubleshooting.
Network Design Scenarios
Design a network for campus, data center, DR, and branch scenarios.
Workplace Communication
Writing incident reports, escalation emails, RCA documents, and presentations.
IT Service Management
ITIL v4, incident/problem/change management, SLA, CMDB.
Career & Certification Path
Certification roadmaps, lab setup, resume tips, and interview strategy.
Salary & Job Market
Market rates, negotiation, contract vs permanent, career growth.