CompTIA Network+ Sample Questions for N10‑009 Certification Exam ( 2026 )

Enhance your exam readiness with these CompTIA Network+ sample questions tailored to the N10‑009 exam objectives. Whether you're using a CompTIA Network+ practice test, practice exam, or reviewing Comptia Network+ exam questions, this resource helps sharpen your skills. Ideal for learners aiming to pass the CompTIA Network+ certification, these questions are designed to mirror real scenarios found in CompTIA Network+ exam practice, ensuring you're fully prepared for test day.

CompTIA Network+ Sample Questions List :

1. Which of the following topologies is designed to fully support applications hosted in on- premises data centers, public or private clouds, and SaaS services?

1. SDWAN

2. PAN

3. MPLS

4. MAN

2. Which of the following can have multiple VLAN interfaces?

1. Load balancer

2. Layer 3 switch

3. Bridge

4. Hub

3. Which of the following records can be used to track the number of changes on a DNS zone?

1. SRV

2. PTR

3. NS

4. SOA

4. A customer needs to distribute Ethernet to multiple computers in an office. The customer would like to use non-proprietary standards. Which of the following blocks does the technician need to install?

1. 110

2. Bix

3. Krone

4. 66

5. Network traffic is being compromised by DNS poisoning every time a company's router is connected to the internet. The network team detects a non-authorized DNS server being assigned to the network clients and remediates the incident by setting a trusted DNS server, but the issue occurs again after internet exposure. Which of the following best practices should be implemented on the router?

1. Disable unneeded network services.

2. Change the device's default password.

3. Activate control plane policing.

4. Disable router advertisement guard.

6. A user calls the help desk to report being unable to reach a file server. The technician logs in to the user's computer and verifies that pings fall to respond back when trying to reach the file server. Which of the following would BEST help the technician verify whether the file server is reachable?

1. traceroute

2. ipconfig

3. nslookup

4. netstat

7. Which of the following issues are present with RIPv2? (Select TWO)

1. Time to converge

2. Route poisoning

3. Scalability

4. Maximum transmission unit

5. Adjacent neighbors

6. Unicast

8. Which of the following is the most accurate NTP time source that is capable of being accessed across a network connection?

1. Stratum 0 device

2. Stratum 16 device

3. Stratum 7 device

4. Stratum 1 device

9. A PC and a network server have no network connectivity, and a help desk technician is attempting to resolve the issue. The technician plans to run a constant ping command from a Windows workstation while testing various possible reasons for the connectivity issue. Which of the following should the technician use?

1. ping —s

2. ping —t

3. ping —w

4. ping -i

10. A network technician has determined the cause of a network disruption. Which of the following is the NEXT step for the technician to perform?

1. Validate the findings in a top-to-bottom approach

2. Duplicate the issue, if possible

3. Document the findings and actions

4. Establish a plan of action to resolve the issue

11. A network administrator installed an additional IDF during a building expansion project. Which of the following documents need to be updated to reflect the change? (Select TWO)

1. BYOD policy

2. Physical network diagram

3. Disaster recovery plan

4. Acceptable use policy

5. Data loss prevention policy

6. Non-disclosure agreement

12. A technician is deploying a new SSID for an industrial control system. The control devices require the network to use encryption that employs TKIP and a symmetrical password to connect. Which of the following should the technician configure to ensure compatibility with the control devices?

1. WPA2-PSK

2. WPA-PSK

3. WPA2-Enterprise

4. WPA-Enterprise

13. An organization has a security requirement that all network connections can be traced back to a user. A network administrator needs to identify a solution to implement on the wireless network. Which of the following is the best solution?

1. Configuring a captive portal for users

2. Requiring the use of PSKs

3. Enforcing wired equivalent protection

4. Implementing enterprise authentication

14. A customer needs six usable IP addresses. Which of the following best meets this requirement?

1. 255.255.255.128

2. 255.255.255.192

3. 255.255.255.224

4. 255.255.255.240

15. Which of the following IP packet header fields is the mechanism for ending loops at Layer 3?

1. Protocol

2. Checksum

3. Type

4. Time-to-live

16. A technician is troubleshooting reports that a networked printer is unavailable. The printer's IP address is configured with a DHCP reservation, but the address cannot be pinged from the print server in the same subnet. Which of the following is MOST likely the cause of me connectivity failure?

1. DHCP scope exhaustion

2. DNS failure

3. Incorrect VLAN

4. Incorrect gateway

17. Which of the following documents is MOST likely to be associated with identifying and documenting critical applications?

1. User acceptance testing plan

2. Change management policy

3. Software development life-cycle policy

4. Business continuity plan

18. A security engineer is trying to determine whether an internal server was accessed by hosts on the internet. The internal server was shut down during the investigation Which of the following will the engineer review to determine whether the internal server had an unauthorized access attempt?

1. The NetFlow statistics

2. The firewall logs

3. The audit logs on the core switch

4. The server's syslog

19. Which of the following would be used to adjust resources dynamically for a virtual web server under variable loads?

1. Hybrid deployment

2. Elastic computing

3. Scalable networking

4. Multitenant hosting

20. A network technician wants to find the shortest path from one node to every other node in the network. Which of the following algorithms will provide the FASTEST convergence time?

1. A path-vector algorithm

2. A distance-vector algorithm

3. A link-state algorithm

4. A static algorithm

   
   

   

21. A malicious user is using special software 10 perform an on-path attack. Which of the following best practices should be configured to mitigate this threat?

1. Control plane policing

2. Dynamic ARP inspection

3. Role-based access

4. MAC filtering

22. A customer reports there is no access to resources following the replacement of switches. A technician goes to the site to examine the configuration and discovers redundant links between two switches. Which of the following is the reason the network is not functional?

1. The ARP cache has become corrupt.

2. CSMA/CD protocols have failed.

3. The switches are incompatible models

4. STP is not configured.

23. An engineer recently decided to upgrade the firmware on a router. During the upgrade, the help desk received calls about a network outage, and a critical ticket was opened. The network manager would like to create a policy to prevent this from happening in the future. Which of the following documents should the manager create?

1. incident response

2. Standard operating procedure

3. Change management

4. System life cycle

24. A network technician 13 troubleshooting a specific port on a switch. Which of the following commands should the technician use to see the port configuration?

1. show route

2. show port

3. show Interface

4. show arp

25. A company has multiple offices around the world. The computer rooms in some office locations are too warm Dedicated sensors are in each room, but the process of checking each sensor takes a long time. Which of the following options can the company put In place to automate temperature readings with internal resources?

1. Use SNMP with an existing collector server

2. Hire a programmer to write a script to perform the checks

3. Implement NetFlow.

4. Utilize ping to measure the response.

26. A user reports that a new VoIP phone works properly, but the computer that is connected to the phone cannot access any network resources. Which of the following MOST likely needs to be configured correctly to provide network connectivity to the computer?

1. Port duplex settings

2. MDIX settings

3. ARP settings

4. Port aggregation

5. VLAN tags

27. Which of the following is an advantage of using the cloud as a redundant data center?

1. The initial capital expenses are lower.

2. The process of changing cloud providers is easy.

3. The need for backups is eliminated.

4. Better security for company data is provided.

28. A technician discovered that some information on the local database server was changed during a tile transfer to a remote server. Which of the following should concern the technician the MOST?

1. On-path attack

2. Integrity

3. DDoS

4. Confidentiality

29. Which of the following protocols uses Dijkstra’s algorithm to calculate the LOWEST cost between routers?

1. EIGRP

2. BGP

3. RIP

4. OSPF

30. A network administrator would like to purchase a device that provides access ports to endpoints and has the ability to route between networks. Which of the following would be BEST for the administrator to purchase?

1. A wireless LAN controller

2. A router

3. A Layer 3 switch

4. An IPS

31. To reduce costs and increase mobility, a Chief Technology Officer (CTO) wants to adopt cloud services for the organization and its affiliates. To reduce the impact for users, the CTO wants key services to run from the on-site data center and enterprise services to run in the cloud. Which of the following deployment models is the best choice for the organization?

1. Public

2. Private

3. SaaS

4. Hybrid

32. An online gaming company needs a cloud solution that will allow for more virtual resources to be deployed when tournaments are held. The number of users who access the service increases during tournaments. The company also needs the resources to return to baseline levels once the resources are not needed in order to reduce cost. Which of the following cloud concepts would provide the best solution?

1. Scalability

2. Elasticity

3. Multitenancy

4. Hybrid

33. A security team updated a web server to require https:// in the URL. Although the IP address did not change, users report being unable to reach the site. Which of the following should the security team do to allow users to reach the server again?

1. Configure inbound firewall rules to allow traffic to port 443.

2. Configure the router to include the subnet of the server.

3. Configure the server with a default route.

4. Configure the switch port with the correct VLAN.

34.A network architect needs to create a wireless field network to provide reliable service to public safety vehicles. Which of the following types of networks is the best solution?

1. Infrastructure

2. Ad hoc

3. Mesh

4. Point-to-point

35. A company has been added to an unapproved list because of spam. The network administrator confirmed that a workstation was infected by malware. Which of the following processes did the administrator use to identify the root cause?

1. Baseline metrics

2. Network discovery

3. Availability monitoring

4. Traffic analysis

36. A network team is getting reports that air conditioning is out in an IDF. The team would like to determine whether additional network issues are occurring. Which of the following should the network team do?

1. Verify severity levels on the corporate syslog server.

2. Confirm that memory usage on the network devices in the IDF is normal.

3. Access network baseline data for references to an air conditioning issue.

4. Review interface statistics looking for cyclic redundancy errors.

5. Check for SNMP traps from a network device in the IDF.

6. Check for SNMP traps from a network device in the IDF.

37. A network administrator wants to test the throughput of a new metro Ethernet circuit to verify that its performance matches the requirements specified m the SLA. Which of the following would BEST help measure the throughput?

1. Netstat

2. Ping

3. iPerf

4. NetFlow

38. Which of the following describes when an active exploit is used to gain access to a network?

1. Risk assessment

2. Penetration testing

3. Vulnerability testing

4. Posture assessment

5. Baseline testing

39. The lack of a formal process to grant network permissions to different profiles of employees and contractors is leading to an increasing number of security incidents Non-uniform and overly permissive network accesses are being granted. Which of the following would be the MOST appropriate method to improve the security of the environment?

1. Change the default permissions to implicit deny

2. Configure uniform ACLs to employees and NAC for contractors.

3. Deploy an RDP server to centralize the access to the network

4. Implement role-based access control

40. After router and device configurations are applied, internet access is not possible. Which of the following is the most likely cause?

1. The router was configured with an incorrect default gateway.

2. The serial interface was configured with the incorrect subnet mas

3. The Ethernet interface was configured with an incorrect IP address.

4. The router was configured with an incorrect loopback address.

41. Which of the following protocols should be used when Layer 3 availability is of the highest concern?

1. FHRP

2. LDAP

3. DHCP

4. LACP

42. During an annual review of policy documents, a company decided to adjust its recovery time frames. The company agreed that critical applications can be down for no more than six hours, and the acceptable amount of data loss is no more than two hours. Which of the following should be documented as the RPO?

1. Two hours

2. Six hours

3. Eight hours

4. Four hours

43. A network administrator received a report staling a critical vulnerability was detected on an application that is exposed to the internet. Which of the following Is the appropriate NEXT step?

1. Check for the existence of a known exploit in order to assess the risk

2. Immediately shut down the vulnerable application server.

3. Install a network access control agent on the server.

4. Deploy a new server to host the application.

44. A network administrator is setting up a web-based application for a company. The application needs to be continually accessible to all end users. Which of the following would best ensure this need is fulfilled?

1. NIC teaming

2. Snapshots

3. Cold site

4. High availability

45. A PC user who is on a local network reports very slow speeds when accessing files on the network server The user's PC Is connecting, but file downloads are very slow when compared to other users' download speeds The PC's NIC should be capable of Gigabit Ethernet. Which of the following will MOST likely fix the issue?

1. Reseating the NIC inside the PC

2. Releasing and renewing the PC's IP address

3. Replacing the patch cable

4. Flushing the DNS cache

46. An AP uses a 98ft (30m) Cat 6 cable to connect to an access switch. The cable is wired through a duct close to a three-phase motor installation. Anytime the three- phase is turned on, all users connected to the switch experience high latency on the network. Which Of the following is MOST likely the cause Of the issue?

1. Attenuation

2. Open circuit

3. Short circuit

4. Interference

47. A technician is configuring a wireless access point in a public space for guests to use. Which of the following should the technician configure so that only approved connections are allowed?

1. Private VLANs

2. Geofencing

3. Captive portal

4. Secure SNMP

48. Which of the following topologies requires me MOST connections when designing a network?

1. Ring

2. Mesh

3. Star

4. Bus

49. After upgrading to a SOHO router that supports Wi-Fi 6, the user determines throughput has not increased. Which of the following is the MOST likely cause of the issue?

1. The wireless router is using an incorrect antenna type.

2. The user's workstation does not support 802.11 ax.

3. The network is experiencing interference.

4. The encryption protocol is mismatched

50. A divide-and-conquer approach is a troubleshooting method that involves breaking a complex problem into smaller and more manageable parts, and then testing each part to isolate the cause of the problem. In this scenario, the technician is using a divide-and- conquer approach by pinging the default gateway and DNS server of the workstation, which are two possible sources of connectivity issues. By pinging these devices, the technician can determine if the problem is related to the local network or the external network. Which of the following most likely requires the use of subinterfaces?

1. A switch using Spanning Tree Protocol

2. A router with only one available LAN port

3. A hub utilizing jumbo frames

4. A firewall performing deep packet inspection

51. Which of the following connectors and terminations are required to make a Cat 6 cable that connects from a PC to a non-capable MDIX switch? (Select TWO)

1. TIA-568-B - TIA-568-B

2. T1A-568-A - TIA-568-B

3. RJ11

4. RJ45

5. F-type

52. Which of the following can be used to limit the ability of devices to perform only HTTPS connections to an internet update server without exposing the devices to the public internet?

1. Use a host-based network firewall on each device.

2. Deploy an IDS system and place it in line with the traffic.

3. Allow connections only to an internal proxy server.

4. Create a screened network and move the devices to it.

53. A network technician is attempting to increase throughput by configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch. Which of the following is the BEST choice concerning speed and duplex for all interfaces that are participating in the link aggregation?

1. Half duplex and 1GB speed

2. Full duplex and 100MB speed

3. Full duplex and 1GB speed

4. Half duplex and 10OMB speed

54. A user from a remote office is reporting slow file transfers. Which of the following tools will an engineer MOST likely use to get detailed measurement data?

1. Packet capture

2. Internet speed test

3. SIEM log review

4. IPerf

55. A network deployment engineer is deploying a new single-channel 10G optical connection. Which of the following optics should the engineer MOST likely use to satisfy this requirement?

1. SFP+

2. QSFP

3. SFP

4. QSFP+

56. Which of the following is most likely to have the HIGHEST latency while being the most accessible?

1. Satellite

2. 4G

3. Cable

4. DSL

57. A network is secured and is only accessible via TLS and IPSec VPNs. Which of the following would need to be present to allow a user to access network resources on a laptop without logging in to the VPN application?

1. Secure Shell

2. Site-to-site

3. Remote desktop connection

4. In-band management

58. A network administrator received complaints of intermittent network connectivity issues. The administrator investigates and finds that the network design contains potential loop scenarios. Which of the following should the administrator do?

1. Change switch port speed limits.

2. Configure port security.

3. Enable spanning tree.

4. Enforce 802. IQ tagging.

59. A technician is checking network devices to look for opportunities to improve security Which of the following toots would BEST accomplish this task?

1. Nmap

2. Protocol analyzer

3. IP scanner

4. Wi-Fi analyzer

   
   

   

60. An engineer needs to verity the external record tor SMTP traffic. The engineer logged in to the server and entered the nslookup command. Which of the following commands should the engineer send before entering the DNS name?

1. set querytype=Mx

2. is -d company-mail.com

3. set type=A

4. set domain=company.mail.com

61. Which of the following OSI model layers are responsible for handling packets from the sources to the destination and checking for errors? (Select two)

1. Network

2. Presentation

3. Data link

4. Application

5. Physical

6. Session

62. Which of the following can be used to store various types of devices and provide contactless delivery to users?

1. Asset tags

2. Smart lockers

3. Access control vestibules

4. Biometrics

63. A company's management team wants to implement NAC on the wired and wireless networks. Which of the following is an authentication component that must be used in this solution?

1. TACACS+

2. 802.1X

3. EAP

4. IPSec

64. A technician is concerned about unauthorized personnel moving assets that are installed in a data center server rack. The technician installs a networked sensor that sends an alert when the server rack door is opened. Which of the following did the technician install?

1. Cipher lock

2. Access control vestibule

3. Asset tags

4. Tamper detection

65. A support agent receives a report that a remote user's wired devices are constantly disconnecting and have slow speeds. Upon inspection, the support agent sees that the user's coaxial modem has a signal power of -97dB Which of the following should the support agent recommend to troubleshoot the issue?

1. Switching the devices to wireless

2. Lowering the network speed

3. Moving the devices closer to the modern

4. Removing any splitters connected to the line

66. A network administrator determines that even when optimal wireless coverage is configured, the network users still report constant disconnections After troubleshooting, the administrator determines that moving from one location to another causes the disconnection Which of the following settings should provide better network stability?

1. RF attenuation ratio

2. Client association timeout

3. EIRP power setting

4. RSSl roaming threshold

67. A network administrator is trying to add network redundancy for the server farm. Which of the following can the network administrator configure to BEST provide this capability?

1. UPS

2. DNS

3. VRRP

4. RPO

68. An engineer is gathering data to determine the effectiveness of UPSs in use at remote retail locations. Which of the following statistics can the engineer use to determine the availability of the remote network equipment?

1. SNMP traps

2. Uptime

3. Interface statistics

4. NetFlow baseline

69. A company wants to mitigate unauthorized physical connectivity after implementing a hybrid work schedule. Which of the following will the company most likely configure?

1. DHCP snooping

2. ARP inspection

3. Intrusion prevention system

4. Port security

70. A network administrator is implementing process changes based on recommendations following a recent penetration test. The testers used a method to gain access to the network that involved exploiting a publicly available and fixed remote code execution vulnerability in the VPN appliance. Which of the following should the administrator do to BEST prevent this from happening again?

1. Implement robust ACLs with explicit deny-all entries.

2. Change default passwords on internet-facing hardware.

3. Create private VLANs for management plane traffic.

4. Routinely upgrade all network equipment firmware.

71. Which of the following would be the MOST cost-effective recovery solution for a company's lower-priority applications?

1. Hot site

2. Cloud site

3. Warm site

4. Cold site

72. Which or the following devices and encapsulations are found at me data link layer? (Select TWO)

1. Packet

2. Switch

3. Router

4. Frame

5. Firewall

6. Session

73. An auditor assessing network best practices was able to connect a rogue switch into a network Jack and get network connectivity. Which of the following controls would BEST address this risk?

1. Ensure port tagging is in place for network interfaces in guest areas

2. Activate port security on the switchports providing end user access.

3. Disable Neighbor Resolution Protocol in the Layer 2 devices.

4. Deactivate Spanning Tree Protocol on network interfaces that are facing public areas.

74. Which of the following network topologies best describes a central device connected to multiple independent devices?

1. Ring

2. Mesh

3. Hub-and-spoke

4. Bus

75. A systems administrator wants to use the least amount of equipment to segment two departments that nave cables terminating in the same room. Which of the following would allow this to occur?

1. A Layer 7 firewall

2. A Layer 3 switch

3. A load balancer

4. The RSSI was not strong enough on the link

5. A proxy server

6. A hub

76. A new office space is being designed. The network switches are up. but no services are running yet A network engineer plugs in a laptop configured as a DHCP client to a switch Which of the following IP addresses should be assigned to the laptop?

1. 172 16 128 128

2. 192 168.0.1

3. 10.1.1.1

4. 169.254.1.128

77. Which of the following ports should be used to securely receive mail that is synchronized across multiple devices?

1. 443

2. 25

3. 110

4. 993

78. A technician is investigating a SAN switch that has a high number of CRC errors. Which of the following is the MOST likely cause of the errors?

1. Bad switch port

2. Mismatched duplex

3. Break in the fiber

4. Memory errors

79. A customer hired a network consultant to install a new wireless network with the following specifications: * 2.4GHz * 11Mbps * 20MHz Which of the following standards best fits these requirements?

1. 802.11ac

2. 802.11g

3. 802.11b

4. 802.11n

80. An organization is interested in purchasing a backup solution that supports the organization's goals. Which of the following concepts would specify the maximum duration that a given service can be down before impacting operations?

1. MTTR

2. MTBF

3. RPO

4. RTO

   
   

   

81. A Wi-Fi network was originally configured to be able to handle interference from a microwave oven. The microwave oven was recently removed from the office. Now the network administrator wants to optimize the system to maximize the range of the signal. The main sources of signal degradation are the numerous cubicles and wooden walls between the WAP and the intended destination. Which of the following actions should the administrator take?

1. Change the frequency.

2. Implement CDMA.

3. Change from omni to directional.

4. Change the SSID.

FAQs

1. What is CompTIA Network+ certification?

CompTIA Network+ is a vendor-neutral certification that validates foundational networking skills required for IT support and infrastructure roles.

2. Who should take the CompTIA Network+ exam?

IT beginners, help desk technicians, support specialists, and those looking to build a career in networking.

3. Is CompTIA Network+ worth it for IT professionals?

Yes, it’s widely recognized and is often a required credential for entry-level networking roles.

4. What does CompTIA Network+ qualify you to do?

It qualifies you to manage, troubleshoot, configure, and secure networks.

5. What is the difference between CompTIA Network+ and Security+?

Network+ focuses on networking infrastructure, while Security+ emphasizes cybersecurity and risk management.

6. How many questions are on the CompTIA Network+ exam?

The exam includes up to 90 questions.

7. What type of questions are on the CompTIA Network+ test?

Multiple choice, drag-and-drop, and performance-based questions.

8. What is the exam code for CompTIA Network+?

The current exam code is N10-008.

9. How long is the CompTIA Network+ exam?

You have 90 minutes to complete the exam.

10. How hard is the CompTIA Network+ exam?

Moderate difficulty; it requires a good understanding of networking concepts and hands-on practice.

11. How do I prepare for the CompTIA Network+ exam?

Use CertiMaan’s practice exams and official study materials from the CompTIA website.

12. What are the best study resources for CompTIA Network+?

CertiMaan’s dumps and mock exams, plus CompTIA’s official Network+ Study Guide and eLearning content.

13. Are there free CompTIA Network+ practice tests available?

Yes, CertiMaan offers sample questions and CompTIA provides free trial resources.

14. How long should I study for CompTIA Network+?

Study time varies, but 4–6 weeks is recommended with regular practice.

15. Can I pass CompTIA Network+ without experience?

Yes, if you prepare well using CertiMaan and CompTIA-approved training materials.

16. Does CertiMaan provide CompTIA Network+ dumps or practice tests?

Yes, CertiMaan offers verified dumps, timed mock tests, and exam simulations.

17. How much does the CompTIA Network+ exam cost?

The exam costs around $358 USD.

18. Are there any prerequisites for CompTIA Network+ certification?

No prerequisites, but it’s recommended to have CompTIA A+ and 9–12 months of networking experience.

19. How do I register for the CompTIA Network+ exam?

Register via the CompTIA website or through Pearson VUE testing centers.

20. Can I retake the CompTIA Network+ exam if I fail?

Yes, there is no waiting period for the first retake, but subsequent attempts may require a delay.

21. Can I reschedule or cancel my CompTIA Network+ exam?

Yes, via Pearson VUE, but you must do so at least 24 hours before the scheduled time.

22. What is the passing score for CompTIA Network+?

The passing score is 720 on a scale of 100–900.

23. How long is the CompTIA Network+ certification valid?

It is valid for 3 years.

24. How can I renew my CompTIA Network+ certification?

Renew through CompTIA’s Continuing Education (CE) program or by retaking the exam.

25. How is the CompTIA Network+ exam scored?

Scoring is automated and includes weighted scoring of each question.

26. What jobs can I get with CompTIA Network+ certification?

Network administrator, IT technician, help desk technician, and system support specialist.

27. What is the average salary for CompTIA Network+ certified professionals?

On average, certified professionals earn $55,000 to $75,000 per year.

28. Is CompTIA Network+ good for beginners in IT?

Yes, it’s one of the best starting points for those pursuing a networking career.

29. Do employers value the CompTIA Network+ certification?

Yes, it is respected in the industry and often required for entry-level roles.

30. Does CompTIA Network+ help with getting a government job?

Yes, it's compliant with DoD 8570 standards and accepted for federal IT roles.