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N10-009 Practice Questions

Question # 1
An administrator is configuring a switch that will be placed in an area of the office that is accessible to customers. Which of the following is the best way for the administrator to mitigate unknown devices from connecting to the network?
A. SSE
B. ACL
C. Perimeter network
D. 802.1x


D. 802.1x

Explanation:

802.1x is a network access control protocol that provides an authentication mechanism to devices trying to connect to a LAN or WLAN. This ensures that only authorized devices can access the network, making it ideal for mitigating the risk of unknown devices connecting to the network, especially in accessible areas.

802.1x Authentication: Requires devices to authenticate using credentials (e.g., username and password, certificates) before gaining network access.

Access Control: Prevents unauthorized devices from connecting to the network, enhancing security in public or semi-public areas.

Implementation: Typically used in conjunction with a RADIUS server to manage authentication requests.

Network References:

CompTIA Network+ N10-007 Official Certification Guide: Covers 802.1x and its role in network security.

Cisco Networking Academy: Provides training on implementing 802.1x for secure network access control.

Network+ Certification All-in-One Exam Guide: Explains the benefits and configuration of 802.1x authentication in securing network access.



Question # 2
Which of the following requires network devices to be managed using a different set of IP addresses?
A. Console
B. Split tunnel
C. Jump box
D. Out of band


D. Out of band

Out-of-band (OOB) management refers to using a dedicated management network that is physically separate from the regular data network. This management network uses a different set of IP addresses to ensure that management traffic is isolated from user data traffic, providing a secure way to manage network devices even if the main network is down or compromised. References: CompTIA Network+ study materials.


Question # 3
A network administrator is configuring a wireless network with an ESSID. Which of the following is a user benefit of ESSID compared to SSID?
A. Stronger wireless connection
B. Roaming between access points
C. Advanced security
D. Increased throughput


B. Roaming between access points

Explanation:

An Extended Service Set Identifier (ESSID) allows multiple access points to share the same SSID, enabling seamless roaming for users. This means that users can move between different access points within the same ESSID without losing connection or having to reauthenticate. This provides a better user experience, especially in large environments such as office buildings or campuses.

References:

CompTIA Network+ study materials.



Question # 4
Which of the following panels would be best to facilitate a central termination point for all network cables on the floor of a company building?
A. Patch
B. UPS
C. MDF
D. Rack


A. Patch

Explanation:

[Reference: CompTIA Network+ Certification Exam Objectives - Network Installation section., ]


Question # 5
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. Multitenancy
B. VPC
C. NFV
D. SaaS


A. Multitenancy

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. References: CompTIA Network+ Exam Objectives and official study guides.


Question # 6

Which of the following appliances provides users with an extended footprint that allows connections from multiple devices within a designated WLAN?

A. Router
B. Switch
C. Access point
D. Firewall


C. Access point

An access point (AP) provides users with an extended footprint that allows connections from multiple devices within a designated Wireless Local Area Network (WLAN). Router: Typically used to connect different networks, not specifically for extending wireless coverage.

Switch: Used to connect devices within a wired network, not for providing wireless access. Access Point (AP): Extends wireless network coverage, allowing multiple wireless devices to connect to the network.

Firewall: Primarily used for network security, controlling incoming and outgoing traffic based on security rules, not for providing wireless connectivity.

Network References: CompTIA Network+ N10-007 Official Certification Guide: Explains the roles and functions of network appliances, including access points. Cisco Networking Academy: Provides training on deploying and managing wireless networks with access points. Network+ Certification All-in-One Exam Guide: Covers network devices and their roles in creating and managing networks.


Question # 7
A network administrator performed upgrades on a server and installed a new NIC to improve performance. Following the upgrades, usera are unable to reach the server. Which of the following is the most likely reason.
A. The PoE power budget was exceeded.
B. TX/RX was transposed.
C. A port security violation occured.
D. An incorrect cable type was installed.


D. An incorrect cable type was installed.

Explanation:

When a network administrator installs a new Network Interface Card (NIC) and users are unable to reach the server, one of the common issues is the use of an incorrect cable type. Network cables must match the specifications required by the NIC and the network infrastructure (e.g., Cat5e, Cat6 for Ethernet).

NIC Compatibility:

The new NIC might require a specific type of cable to function properly. Using a cable not rated for the NIC's required speeds or capabilities can result in connectivity issues.

Cable Standards:

Different NICs and network devices might need different cabling standards (straight-through vs. crossover cables, or specific fiber optic types).

Connection Types:

Ensuring that the cable connectors are appropriate for the NIC ports (e.g., RJ45 for Ethernet, LC connectors for fiber optics).

Network References:

CompTIA Network+ N10-007 Official Certification Guide:

Discusses network cabling standards and NIC specifications.

Cisco Networking Academy:

Provides insights into cabling and NIC configurations for optimal network performance.

Network+ Certification All-in-One Exam Guide:

Offers comprehensive details on troubleshooting network connectivity issues, including cabling problems.



Question # 8
technician is troubleshooting a user's laptop that is unable to connect to a corporate server. The technician thinks the issue pertains to routing. Which of the following commands should the technician use to identify the issue?
A. tcpdump
B. dig
C. tracert
D. arp


C. tracert

The tracert (Traceroute) command is used to determine the path packets take from the source to the destination. It helps in identifying routing issues by showing each hop the packets pass through, along with the time taken for each hop. This command can pinpoint where the connection is failing or experiencing delays, making it an essential tool for troubleshooting routing issues.

References: CompTIA Network+ study materials and common network troubleshooting commands.


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CompTIA N10-009 Exam Dumps

Exam Name: CompTIA Network+ Certification Exam
Certification Name: CompTIA Network+

CompTIA N10-009 exam dumps are created by industry top professionals and after that its also verified by expert team. We are providing you updated CompTIA Network+ Certification Exam exam questions answers. We keep updating our CompTIA Network+ practice test according to real exam. So prepare from our latest questions answers and pass your exam.

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