CompTIA Network+ Network Troubleshooting Practice Questions
CompTIA Network+ (N10-009) · Domain 5 of 5 · 24% of the exam
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Network Troubleshooting drillA client sees a strong signal but keeps getting disconnected from the AP, and logs show deauthentication events. Which issue fits?
Network Troubleshooting on the Network+ exam
Network Troubleshooting is 24% of Network+ (N10-009), about 22 of 90 questions, the largest Network+ domain.
- Share of the exam
- 24% of N10-009, about 22 of 90 questions
- Our drill
- 10 questions from 46 Network Troubleshooting questions, untimed, a note on every option; one free attempt, unlimited with a pass
What Network Troubleshooting questions test
- The seven-step troubleshooting methodology, including top-to-bottom, bottom-to-top and divide-and-conquer approaches
- Cable issues (wrong type, crosstalk, interference, attenuation, termination, TX/RX transposed), interface counters (CRC, runts, giants, drops), port status, PoE budgets and transceiver mismatches
- STP loops and root bridges, wrong VLANs, ACLs, routing tables and default routes, pool exhaustion, wrong gateway, duplicate addresses, wrong masks
- Congestion, bottlenecks, bandwidth, latency, packet loss, jitter, Wi-Fi interference, coverage, disassociation and roaming
- Protocol analyzers, ping, traceroute, nslookup, tcpdump, dig, netstat, ip/ifconfig/ipconfig, arp, Nmap, LLDP/CDP, speed testers, toners, cable testers, taps, Wi-Fi analyzers, visual fault locators and switch show commands
Sit the full exam under the real clock
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Network Troubleshooting drillHow to study it
- Learn the methodology steps in order; ordering questions are common
- Match each interface counter to its usual cause
- Know which tool works at which layer
Common questions
What are the Network+ troubleshooting steps?
Identify the problem; establish a theory of probable cause; test the theory; establish a plan of action and identify potential effects; implement the solution or escalate; verify full functionality and implement preventive measures; document findings, actions, outcomes and lessons learned.
Which switch commands are on N10-009?
show mac-address-table, show route, show interface, show config, show arp, show vlan and show power.
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Network Troubleshooting drillMore Network+ practice
Sources
We write our own practice questions to help you prepare for the CompTIA A+ and CompTIA Network+ certifications. They are original questions written to CompTIA’s published exam objectives, not real exam questions. Independent practice, not affiliated with or endorsed by CompTIA or Pearson VUE. CompTIA, A+ and Network+ are trademarks of CompTIA, Inc.