CompTIA N10-009 Online Practice Questions and Exam Preparation

CompTIA N10-009 Online Questions & Answers

• Question 131:

  An IT manager needs to connect ten sites in a mesh network. Each needs to be secured with reduced provisioning time.

  Which of the following technologies will best meet this requirement?

  A. SD-WAN
  B. VXLAN
  C. VPN
  D. NFV
  A. SD-WAN

• Question 132:

  SIMULATION Users are unable to access files on their department share located on flle_server 2. The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2. INSTRUCTIONS Click on each router to review output, identity any Issues, and configure the appropriate solution

  If at any time you would like to bring back the initial state of trie simulation, please click the reset All button;

  

  A. See the solution below in Explanation.
  B. PlaceHolder
  C. PlaceHolder
  D. PlaceHolder
  A. See the solution below in Explanation.

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  Explanation

  

  

  

• Question 133:

  A Linux server is running a log collector that needs to be hardened. A network administrator executes netstat to find open ports on the server.

  Which of the following ports should be disabled?

  A. 22
  B. 80
  C. 162
  D. 514
  B. 80

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  Explanation

  For a log collector server, the primary needed service is Syslog, which typically uses UDP port 514. Other ports may be open for management (e.g., 22 for SSH ) or SNMP traps ( 162 ) if integrated. However, port 80 (HTTP) should not be open unless required, as it increases attack surface and does not directly serve the log collection purpose. Disabling it hardens the server.

  Option A: 22 (SSH) is needed for secure management.

  Option C: 162 (SNMP trap) may be required for monitoring/log correlation.

  Option D: 514 (Syslog) is essential for log collection.

  References:

  Domain: Network Security -- Hardening servers, disabling unnecessary services and ports.

• Question 134:

  A 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

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  Explanation

  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.

• Question 135:

  A network engineer needs to deploy an access point at a remote office so that it will not communicate back to the wireless LAN controller.

  Which of the following deployment methods must the engineer use to accomplish this task?

  A. Lightweight
  B. Autonomous
  C. Mesh
  D. Ad hoc
  B. Autonomous

• Question 136:

  Users report they cannot reach any websites on the internet. An on-site network engineer is able to duplicate the issue on a different PC. The network engineer then tries to ping a website and receives the following message

  Ping request could not find host www.google.com. Please check the name and try again.

  Which of the following is the next step the engineer should take?

  A. Ping 127.0.0.l to test local hardware.
  B. Test the website from outside the company.
  C. Ping internal name server functionality.
  D. Check internet firewall logs for blocked DNS traffic.
  C. Ping internal name server functionality.

• Question 137:

  Which of the following network traffic types is sent to all nodes on the network?

  A. Unicast
  B. Broadcast
  C. Multicast
  D. Anycast
  B. Broadcast

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  Explanation

  A broadcast message is delivered to all nodes in a broadcast domain (e.g., ARP requests).

  Option A: Unicast is one-to-one.

  Option C: Multicast is one-to-many but only to subscribed members.

  Option D: Anycast is one-to-one-of-many, sending to the nearest node.

  References:

  Domain: Networking Concepts -- Traffic types: unicast, multicast, broadcast, anycast.

• Question 138:

  Which of the following is the greatest advantage of maintaining a cold DR site compared to other DR sites?

  A. Redundancy
  B. Availability
  C. Security
  D. Cost
  D. Cost

• Question 139:

  Which of the following is a documented set of requirements, such as quality, availability, and responsibilities delivered by a vendor?

  A. MOU
  B. EOL
  C. EOS
  D. SLA
  D. SLA

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  Explanation

  The correct answer is SLA (Service Level Agreement) because it is a formal, documented contract between a service provider and a customer that defines expected service standards. According to CompTIA Network+ (N10-009) objectives under network operations and service management concepts, an SLA outlines measurable performance metrics such as uptime percentage, response time, throughput, support availability, escalation procedures, and responsibilities of both parties.

  An SLA ensures accountability and establishes clear expectations for service delivery. For example, a vendor may guarantee 99.99% uptime, define maximum resolution times for incidents, and specify penalties or credits if performance targets are not met. SLAs are critical in cloud services, ISP agreements, managed services, and enterprise vendor contracts.

  An MOU (Memorandum of Understanding) is a non-binding agreement outlining general terms between parties but does not define enforceable service metrics. EOL (End of Life) refers to when a product is no longer sold or supported. EOS (End of Support) indicates when a vendor stops providing updates or assistance for a product.

  Therefore, an SLA is the correct document that defines vendor-delivered service requirements.

• Question 140:

  A network engineer is designing a secure communication link between two sites. The entire data stream needs to remain confidential.

  Which of the following will achieve this goal?

  A. GRE
  B. IKE
  C. ESP
  D. AH
  C. ESP