CompTIA N10-009 Online Practice Questions and Exam Preparation

CompTIA N10-009 Online Questions & Answers

• Question 691:

  Which of the following routing technologies uses an attribute list for path selection?

  A. BGP
  B. RIP
  C. EIGRP
  D. OSPF
  A. BGP

• Question 692:

  Which of the following most likely requires the use of subinterfaces?

  A. A router with only one available LAN port
  B. A firewall performing deep packet inspection
  C. A hub utilizing jumbo frames
  D. A switch using Spanning Tree Protocol
  A. A router with only one available LAN port

• Question 693:

  A customer wants to cache commonly used content to reduce the number of full page downloads from the internet.

  Which of the following should the network administrator recommend?

  A. Proxy server
  B. Load balancer
  C. Open relay
  D. Code repository
  A. Proxy server

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  Explanation

  A proxy server (specifically a caching HTTP/HTTPS proxy) stores frequently accessed web objects and serves them locally to clients, reducing external bandwidth consumption and improving response times.

  Option B: Load balancer distributes traffic across servers but does not inherently cache internet content.

  Option C: Open relay is a misconfigured mail server that permits unauthorized relaying--this is a security issue, not a caching solution.

  Option D: Code repository (e.g., for source control) isn't related to web content caching.

  References:

  Domain: Network Standards, Protocols, and Implementations -- Application-layer services (HTTP/HTTPS), proxies and caching behavior, performance optimization.

• Question 694:

  A network engineer runs ipconfig and notices that the default gateway is 0.0.0.0.

  Which of the following address types is in use?

  A. APIPA
  B. Multicast
  C. Class C
  D. Experimental
  A. APIPA

• Question 695:

  A company wants to implement a disaster recovery site for non-critical applications, which can tolerate a short period of downtime.

  Which of the following types of sites should the company implement to achieve this goal?

  A. Hot
  B. Cold
  C. warm
  D. Passive
  C. warm

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  Explanation

  The type of site that the company should implement for non-critical applications that can tolerate a short period of downtime is a warm site. A warm site is a disaster recovery site that has some pre-installed equipment and software, but not as much as a hot site, which is fully operational and ready to take over the primary site's functions in case of a disaster. A warm site requires some time and effort to activate and synchronize with the primary site, but not as much as a cold site, which has no equipment or software installed and requires a lot of configuration and testing. A passive site is not a common term for a disaster recovery site, but it could refer to a site that only receives backups from the primary site and does not actively participate in the network operations.

• Question 696:

  A network administrator configures a new network discovery tool and is concerned that it might disrupt business operations.

  Which of the following scan types should the administrator configure?

  A. Authenticated
  B. Ad hoc
  C. Unauthenticated
  D. Scheduled
  D. Scheduled

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  Explanation

  If the administrator is concerned a new discovery tool could disrupt operations, the safest option is to configure scheduled scans. Network+ (N10-009) operations guidance emphasizes minimizing impact by running potentially noisy tasks (discovery, vulnerability checks, inventory scans) during defined maintenance windows or off-peak hours. A scheduled scan allows controlled timing, predictable load, and easier coordination with change management, monitoring, and support teams. This reduces the risk of saturating links, overwhelming devices with queries, or triggering alerts during business-critical periods. Ad hoc scanning is on-demand and may occur at any time, which increases the chance of disruption if run during peak usage. Authenticated versus unauthenticated describes whether the scanner uses credentials to log into systems for deeper visibility; that choice affects depth and accuracy, but it doesn't directly address when scanning occurs to reduce business impact. An authenticated scan can still be disruptive if run at the wrong time, and an unauthenticated scan can still generate significant traffic. Since the key concern is operational disruption, controlling scan timing via scheduled scans is the best mitigation.

• Question 697:

  A network engineer wants to measure actual throughput between two systems.

  Which tool should be used?

  A. Ping
  B. Netstat
  C. iPerf
  D. Traceroute
  C. iPerf

• Question 698:

  A network administrator needs to:

  Assign fixed IP addresses to IoT devices Avoid manual configuration Allow devices to move between ports

  Which solution should be used?

  A. Static IP
  B. DHCP reservation
  C. DHCP exclusion
  D. Private VLAN
  B. DHCP reservation

• Question 699:

  A company is implementing a wireless solution in a high-density environment.

  Which of the following 802.11 standards is used when a company is concerned about device saturation and converage?

  A. 802.11ac
  B. 802.11ax
  C. 802.11g
  D. 802.11n
  B. 802.11ax

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  Explanation

  802.11ax, also known as Wi-Fi 6, is designed for high-density environments and improves device saturation and coverage compared to previous standards. 802.11ac: While it offers high throughput, it is not optimized for high-density environments as effectively as 802.11ax. 802.11ax (Wi-Fi 6): Introduces features like OFDMA, MU-MIMO, and BSS Coloring, which enhance performance in crowded environments, reduce latency, and increase the number of devices that can be connected simultaneously. 802.11g and 802.11n: Older standards that do not offer the same level of efficiency or support for high device density as 802.11ax.

  References:

  CompTIA Network+ N10-007 Official Certification Guide: Covers the 802.11 standards and their capabilities.

  Cisco Networking Academy: Provides training on Wi-Fi technologies and best practices for high-density deployments.

  Network+ Certification All-in-One Exam Guide: Discusses the various 802.11 standards and their applications in different environments.

• Question 700:

  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

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  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.

  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.