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CompTIA N10-009 Questions Obtain Exam Results Simply 2025

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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
Topic 2	Network Security: This section of the exam for cybersecurity specialists and network security administrators covers the importance of basic network security concepts, Various types of attacks and their impact on the network, application of network security features, defense techniques, and solutions.\| Network Troubleshooting: For help desk technicians and network support specialists, this section covers troubleshooting methodology, troubleshooting common cabling and physical interface issues, troubleshooting common issues with network services, and use of appropriate tools or protocols to solve networking issues.
Topic 3	OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 4	Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 5	Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 6	Selection and configuration of wireless devices.

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CompTIA Network+ Certification Exam Sample Questions (Q151-Q156):

NEW QUESTION # 151
A network technician replaced an accesslayer switch and needs to reconfigure it toallow the connected devices to connect tothe correct networks.
INSTRUCTIONS
Click on the appropriate port(s) on Switch 1and 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.

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
To provide a complete solution for configuring the access layer switches, let's proceed with the following steps:
* Identify the correct VLANs for each device and port.
* Enable necessary ports and disable unused ports.
* Configure fault-tolerant connections between the switches.
Configuration DetailsSwitch 1Port 1 Configuration (Uplink to Core Switch)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 2 Configuration (Uplink to Core Switch)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 3 Configuration (Server Connection)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN90 (Servers)
Port 4 Configuration (Server Connection)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN90 (Servers)
Port 5 Configuration (Wired Users and WLAN)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150
Port 6 Configuration (Wired Users and WLAN)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150
Port 7 Configuration (Voice and Wired Users)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220
Port 8 Configuration (Voice, Printers, and Wired Users)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220
Switch 3Port 1 Configuration (Unused)
* Status: Disabled
* LACP: Disabled
Port 2 Configuration (Unused)
* Status: Disabled
* LACP: Disabled
Port 3 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 4 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 5 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 6 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 7 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
* Ports 1 and 2 on Switch 1are configured as trunk ports with VLAN tagging enabled for all necessary VLANs.
* Ports 3 and 4 on Switch 1are configured for server connections with VLAN 90 untagged.
* Ports 5, 6, 7, and 8 on Switch 1are configured for devices needing access to multiple VLANs.
* Unused ports on Switch 3are disabled.
* Ports 3, 4, 5, 6, and 7 on Switch 3are enabled for default VLAN1.
* Core Switch Portsshould be configured as needed for uplinks to Switch 1.
* Ensure LACP is enabledfor redundancy on trunk ports between switches.
Summary of ConfigurationsEnsure All Switches and Ports are Configured as per the Requirements:By following these configurations, each device will access only its correctly associated network, unused switch ports will be disabled, and fault-tolerant connections will be established between the switches.

NEW QUESTION # 152
A network administrator is planning to host a company application in the cloud, making the application available for all internal and third-party users. Which of the following concepts describes this arrangement?

A. SaaS
B. NFV
C. VPC
D. Multitenancy

Answer: D

Explanation:
Multitenancy is a cloud computing architecture where a single instance of software serves multiple customers or tenants. Each tenant's data is isolated and remains invisible to other tenants. Hosting a company application in the cloud to be available for both internal and third- party users fits this concept, as it allows shared resources and infrastructure while maintaining data separation and security.

NEW QUESTION # 153
Which of the following technologies are X.509 certificates most commonly associated with?

A. LDAP
B. VLAN tagging
C. PKI
D. MFA

Answer: C

Explanation:
X.509 certificates are most commonly associated with Public Key Infrastructure (PKI). These certificates are used for a variety of security functions, including digital signatures, encryption, and authentication.
* PKI: X.509 certificates are a fundamental component of PKI, used to manage encryption keys and authenticate users and devices.
* Digital Certificates: They are used to establish secure communications over networks, such as SSL/TLS for websites and secure email communication.
* Authentication and Encryption: X.509 certificates provide the means to securely exchange keys and verify identities in various applications, ensuring data integrity and confidentiality.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide: Covers PKI and the role of X.509 certificates in network security.
* Cisco Networking Academy: Provides training on PKI, certificates, and secure communications.
* Network+ Certification All-in-One Exam Guide: Explains PKI, X.509 certificates, and their applications in securing network communications.

NEW QUESTION # 154
An organization wants to ensure that incoming emails were sent from a trusted source. Which of the following DNS records is used to verify the source?

A. AAAA
B. MX
C. TXT
D. CNAME

Answer: C

Explanation:
Explanation: A TXT record can be used to store SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) information, which help verify that an email has been sent from a trusted source.

NEW QUESTION # 155
A network engineer is concerned about VLAN hopping happening on the network. Which of the following should the engineer do to address this concern?

A. Configure private VLANs.
B. Change the default VLAN.
C. Implement ACLs on the VLAN.
D. Enable dynamic ARP inspection.

Answer: D

Explanation:
Dynamic ARP inspection (DAI) is a security feature that can help to prevent VLAN hopping. DAI works by verifying that ARP responses are coming from the devices that they claim to be from. If an attacker sends an ARP response that is not from a legitimate device, DAI will drop the response.

NEW QUESTION # 156
......

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