CompTIA N10-009 Exam Dumps

CompTIA Network+ Certification Exam

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Exam Code	N10-009
Exam Name	CompTIA Network+ Certification Exam
Questions	529 Questions Answers With Explanation
Update Date	04, 21, 2026
Price	Was : $90 Today : $50 Was : $108 Today : $60 Was : $126 Today : $70

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Demo Questions

Question # 1

Which of the following internal routing protocols is best characterized as having fast convergence and being loop-free? 

A. BGP 
B. STP 
C. OSPF
D. RIP 

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Question # 2

Which of the following connection methods allows a network engineer to automate configuration deployment for network devices across the environment? 

A. RDP 
B. Telnet 
C. SSH 
D. GUI 

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Question # 3

A network administrator is developing a method of device monitoring with the following requirements: •Allows for explicit, by user, privilege management •Includes centralized logging of changes •Offers widely accessible remote management •Provides support of service accounts Which of the following will most closely meet these requirements? 

A. SNMP 
B. API 
C. SIEM 
D. SSO 

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Question # 4

Which of the following steps in the troubleshooting methodology comes after using a top-totop buttom examination of the OSI model to determine cause?

A. Test in the theory 
B. Establish a plan of action 
C. Verify full system functionality 
D. Identify the problem 

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Question # 5

A support engineer is troubleshooting a network outage that is affecting 3,000 users. The engineer has isolated the issue to the internet firewall. Packet captures confirm that the firewall is blocking the traffic. Which of the following is the next step in troubleshooting?

A. Implement the solution or escalate as necessary 
B. Create a plan of action to resolve the issue and identify potential effects 
C. Establish a theory of probable cause 
D. Document findings, actions, outcomes, and lessons learned throughout the process 

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Question # 6

A company’s Chief Information Security Officer requires that servers and firewalls have accurate timestamps when creating log files so that security analysts can correlate events during incident investigations. Which of the following should be implemented?

A. Syslog server 
B. SMTP
 C. SNMP 
D. NTP 

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Question # 7

A security administrator is creating a new firewall object for a device with IP address 192.168.100.1/25. However, the firewall software only uses dotted decimal notation in configuration fields. Which of the following is the correct subnet mask to use? 

A. 255.255.254.0 
B. 255.255.255.1 
C. 255.255.255.128 
D. 255.255.255.192 

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Question # 8

Which of the following standards enables the use of an enterprise authentication for network access control?

A. 802.1Q 
B. 802.1X 
C. 802.3bt 
D. 802.11h 

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Question # 9

A network administrator receives 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? 

A. Enable spanning tree 
B. Configure port security 
C. Change switchport speed limits 
D. Enforce 802.1Q tagging 

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Question # 10

Which of the following involves an attacker traversing from one part of a network to another part that should be inaccessible? 

A. MAC flooding 
B. DNS poisoning 
C. VLAN hopping 
D. ARP spoofing 

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Question # 11

A company recently experienced outages of one of its critical, customer-facing applications. The root cause was an overutilized network router, but the Chief Technology Officer is concerned that the support staff was unaware of the issue until notified by customers. Which of the following is the best way to address this issue in the future? 

A. Packet capture 
B. SNMP 
C. Syslog collector 
D. SIEM 

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Question # 12

Which of the following most directly secures sensitive information on a network?

A. Data-in-transit encryption 
B. Principle of least privilege 
C. Role-based access controls 
D. Multifactor authentication 

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Question # 13

A Chief Information Officer wants a DR solution that runs only after a failure of the primary site and can be brought online quickly once recent backups are imported. Which of the following DR site solutions meets these requirements?

A. Cold 
B. Warm 
C. Active
 D. Hot 

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Question # 14

Users are reporting issues with mobile phone connectivity after a cellular repeater was recently installed. Users also note that the phones are rapidly losing battery charge. Which of the following should the technician check first to troubleshoot the issue?

A. WPS configuration
 B. Signal strength 
C. Channel frequency 
D. Power budget 

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Question # 15

Which of the following devices functions mainly at the data link layer of the OSI model and is used to connect a fiber-optic cable to a network interface? 

A. SC 
B. DAC 
C. SFP transceiver 
D. Twinaxial cable

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Question # 16

A network administrator is planning to implement device monitoring to enhance network visibility. The security that the solution provides authentication and encryption. Which of the following meets these requirements?

A. SIEM 
B. Syslog 
C. NetFlow 
D. SNMPv3 

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Question # 17

An administrator needs to configure an IoT device with a /21 subnet mask, but the device will only accept dotted decimal notation. Which of the following subnet masks should the administrator use?

A. 255.255.224.0 
B. 255.255.240.0 
C. 255.255.248.0 
D. 255.255.252.0 

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Question # 18

A junior network administrator gets a text message from a number posing as the domain registrar of the firm. The administrator is tricked into providing global administrator credentials. Which of the following attacks is taking place? 

A. DNS poisoning 
B. ARP spoofing 
C. Vishing 
D. Smishing 

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Question # 19

Which of the following is a type of NAC that uses a set of policies to allow or deny access to the network based on the user’s identity?

A. Standard ACL 
B. MAC filtering 
C. 802.1X 
D. SSO 

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Question # 20

Which of the following, in addition to a password, can be asked of a user for MFA?

A. PIN 
B. Favorite color 
C. Hard token 
D. Mother’s maiden name 

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Question # 21

A network technician needs to connect a new user to the company’s Wi-Fi network called SSID: business. When attempting to connect, two networks are listed as possible choices: SSID: business and SSID: myaccess. Which of the following attacks is occurring?

A. On-path 
B. Rogue AP 
C. Evil twin 
D. Tailgating 

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Question # 22

A user recently moved a workstation to a different part of the office. The user is able to access the internet and print but is unable to access server resources. Which of the following is the most likely cause of the issue?

A. Incorrect default gateway 
B. Wrong VLAN assignment 
C. Error-disabled port 
D. Duplicate IP address 

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Question # 23

An attacker gained access to the hosts file on an endpoint and modified it. Now, a user is redirected from the company’s home page to a fraudulent website. Which of the following most likely happened?

A. DNS spoofing 
B. Phishing  
C. VLAN hopping 
D. ARP poisoning 

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Question # 24

Which of the following is used most often when implementing a secure VPN?

A. IPSec 
B. GRE 
C. BGP 
D. SSH 

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Question # 25

Which of the following steps of the troubleshooting methodology would most likely involve comparing current throughput tests to a baseline?

A. Implement the solution 
B. Verify full system functionality 
C. Document findings
D. Test the theory 

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