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N10-009 Exam Dumps - CompTIA Network+ Questions and Answers

Question # 34

Which of the following is the best use case of a site-to-site VPN?

Options:

A.

Securing access across an untrusted network

B.

Encrypting data at rest

C.

Filtering traffic between two internal subnets

D.

Hosting public-facing applications that contain company resources

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Question # 35

A network administrator installs wireless access points (APs) inside an industrial warehouse. A wireless survey shows a large amount of electromagnetic interference. Which of the following cable types should the administrator use to connect the APs to the switch?

Options:

A.

UTP

B.

STP

C.

Multimode

D.

Single-mode

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Question # 36

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?

Options:

A.

Standard ACL

B.

MAC filtering

C.

802.1X

D.

SSO

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Question # 37

A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools wold help identify which ports are open on the remote file server?

Options:

A.

Dig

B.

Nmap

C.

Tracert

D.

nslookup

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Question # 38

Users are experiencing significant lag while connecting to a cloud-based application during peak hours. An examination of the network reveals that the bandwidth is being heavily utilized. Further analysis shows that only a few users are using the application at any given time. Which of the following is the most cost-effective solution for this issue?

Options:

A.

Limit the number of users who can access the application.

B.

Lease a Direct Connect connection to the cloud service provider.

C.

Implement QoS to prioritize application traffic.

D.

Use a CDN to service the application.

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Question # 39

Which of the following is the next step to take after successfully testing a root cause theory?

Options:

A.

Determine resolution steps.

B.

Duplicate the problem in a lab.

C.

Present the theory for approval.

D.

Implement the solution to the problem.

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Question # 40

A security engineer is trying to connect cameras to a 12-port PoE switch, but only eight cameras turn on. Which of the following should the engineer check first?

Options:

A.

Ethernet cable type

B.

Voltage

C.

Transceiver compatibility

D.

DHCP addressing

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Question # 41

A network administrator suspects users are being sent to malware sites that are posing as legitimate sites. The network administrator investigates and discovers that user workstations are configured with incorrect DNS IP addresses. Which of the following should the network administrator implement to prevent this from happening again?

Options:

A.

Dynamic ARP inspection

B.

Access control lists

C.

DHCP snooping

D.

Port security

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Question # 42

A network technician replaced an access layer switch and needs to reconfigure it to allow the connected devices to connect to the correct networks.

INSTRUCTIONS

Click on the appropriate port(s) on Switch 1 and Switch 3 to verify or reconfigure the

correct settings:

· Ensure each device accesses only its

correctly associated network.

· Disable all unused switchports.

. Require fault-tolerant connections

between the switches.

. Only make necessary changes to

complete the above requirements.

Options:

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Question # 43

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?

Options:

A.

Mesh

B.

Ad hoc

C.

Point-to-point

D.

Infrastructure

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Question # 44

A network engineer connects a business to a new ISP. A simple ping test to 8.8.8.8 is successful. However, users complain of extreme slowness to any website and periods of no connectivity. Which of the following is the most likely cause?

Options:

A.

Incorrect default gateway

B.

VLAN mismatch

C.

Subnet mask configuration

D.

Duplicate ISP IP address

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Question # 45

A network administrator needs to assign IP addresses to a newly installed network. They choose 192.168.1.0/24 as their network address and need to create three subnets with 30 hosts on each subnet. Which of the following is a valid subnet mask that will meet the requirements?

Options:

A.

255.255.255.128

B.

255.255.255.192

C.

255.255.255.224

D.

255.255.255.240

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Question # 46

A network engineer needs to virtualize network services, including a router at a remote branch location. Which of the following solutions meets the requirements?

Options:

A.

NFV

B.

VRF

C.

VLAN

D.

VPC

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Question # 47

Which of the following protocol ports should be used to securely transfer a file?

Options:

A.

22

B.

69

C.

80

D.

3389

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Question # 48

A network administrator installs new cabling to connect new computers and access points. After deploying the equipment, the administrator notices a few of the devices are not connecting properly. The administrator moves the devices to a different port, but it does not resolve the issue. Which of the following should the administrator verify next?

Options:

A.

Power budget

B.

Device requirements

C.

Port status

D.

Cable termination

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Exam Code: N10-009
Exam Name: CompTIA Network+ Certification Exam
Last Update: Mar 4, 2026
Questions: 507
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