CompTIA N10-009 Exam Dumps

CompTIA N10-009 Sample Question Answers

Question # 1

Several users in an organization report connectivity issues and lag during a video meeting. The network administrator performs a tcpdump and observes increased retransmissions for other non-video applications on the network. Which of the following symptoms describes the users' reported issues?

A. Latency 
B. Packet loss 
C. Bottlenecking 
D. Jitter 

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Question # 2

After extremely high temperatures cause a power outage, the servers automatically shut down, even though the UPSs for the servers still have hours of battery life. Which of the following should a technician recommend?

A. Include backup power for air-conditioning units 
B. Configure door locks to automatically lock during power outages 
C. Increase UPS battery size 
D. Add an IoT-enabled thermostat 

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Question # 3

A user's home mesh wireless network is experiencing latency issues. A technician has: •Performed a speed test. •Rebooted the devices. •Performed a site survey. •Performed a wireless packet capture. The technician reviews the following information: The technician notices in the packet capture that frames were retransmitted. Which of the following is the most likely cause of the user's network issue?

A. The SSIDs should not be the same. 
B. The network has too much overlap. 
C. The devices are incompatible with the mesh network. 
D. The nodes are underpowered.

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Question # 4

Which of the following troubleshooting steps provides a change advisory board with the information needed to make a decision?

A. Identify the problem 
B. Develop a theory of probable cause 
C. Test the theory to determine cause 
D. Establish a plan of action 

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Question # 5

A network technician is working on a PC with a faulty NIC. The host is connected to a switch with secured ports. After testing the connection cables and using a known-good NIC, the host is still unable to connect to the network. Which of the following is causing the connection issue?

A. MAC address of the new card 
B. BPDU guard settings 
C. Link aggregation settings 
D. PoE power budget 

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Question # 6

During a security audit, a consulting firm notices inconsistencies between the documentation and the actual environment. Which of the following can keep a record of who made the changes and what the changes are?

A. Network access control 
B. Configuration monitoring 
C. Zero Trust 
D. Syslog 

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Question # 7

A network administrator needs to add 255 useable IP addresses to the network. A /24 is currently in use. Which of the following prefixes would fulfill this need?

A. /23 
B. /25 
C. /29
 D. /32 

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Question # 8

After installing a new 6E wireless router in a small office, a technician notices that some wireless devices are not able to achieve the rated speeds. Which of the following should the technician check to troubleshoot the issue? (Select two)

A. Client device compatibility 
B. Back-end cabling 
C. Weather phenomena 
D. Voltage source requirements 
E. Interference levels 
F. Processing power 

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Question # 9

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?

A. Traffic analysis 
B. Availability monitoring 
C. Baseline metrics 
D. Network discovery 

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Question # 10

A user tries to visit a website, but instead of the intended site, the page displays vmw.cba.com. Which of the following should be done to reach the correct website?

A. Modify the CNAME record 
B. Update the PTR record 
C. Change the NTP settings 
D. Delete the TXT record 

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