CompTIA N10-008 Online Practice Questions and Exam Preparation

CompTIA N10-008 Online Questions & Answers

• Question 531:

  Which of the following disaster recovery metrics describes the average length of time a piece of equipment can be expected to operate normally?

  A. RPO
  B. RTO
  C. MTTR
  D. MTBF
  D. MTBF

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  Explanation/Reference:

  MTBF is the disaster recovery metric that describes the average length of time a piece of equipment can be expected to operate normally. MTBF stands for mean time between failures, which is a measure of the reliability and availability of a device or system. MTBF is calculated by dividing the total operating time by the number of failures that occurred during that time. MTBF indicates how often a device or system fails and how long it can run without interruption. A higher MTBF means a lower failure rate and a longer operational life span.

• Question 532:

  Which of the following use cases would justify the deployment of an mGRE hub-and-spoke topology?

  A. An Increase In network security using encryption and packet encapsulation
  B. A network expansion caused by an increase in the number of branch locations to the headquarters
  C. A mandatory requirement to increase the deployment of an SOWAN network
  D. An Improvement In network efficiency by increasing the useful packet payload
  C. A mandatory requirement to increase the deployment of an SOWAN network

• Question 533:

  Classification using labels according to information sensitivity and impact in case of unauthorized access or leakage is a mandatory component of:

  A. an acceptable use policy
  B. a memorandum of understanding
  C. data loss prevention
  D. a non-disclosure agreement
  C. data loss prevention

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  Explanation/Reference:

  Data loss prevention (DLP) is a set of tools and processes that aim to prevent unauthorized access or leakage of sensitive information. One of the components of DLP is data classification, which involves labeling data according to its information sensitivity and impact in case of unauthorized disclosure. Data classification helps to identify and protect the most critical and confidential data and apply appropriate security controls and policies. References: Network+ Study Guide Objective 5.1: Explain the importance of policies, processes and procedures for IT governance. Subobjective: Data loss prevention.

• Question 534:

  An IT technician installs five old switches in a network. In addition to the low port rates on these switches, they also have improper network configurations. After three hours, the network becomes overwhelmed by continuous traffic and eventually shuts down. Which of the following is causing the issue?

  A. Broadcast storm
  B. Collisions
  C. IP settings
  D. Routing loops
  A. Broadcast storm

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  Explanation/Reference:

  A broadcast storm is a situation where a network is flooded with broadcast packets, which are sent to all devices on the network. This can consume bandwidth, cause congestion, and degrade performance. A broadcast storm can be caused by improper network configurations, such as loops or misconfigured switches. In this scenario, the old switches may have created loops or failed to filter broadcast packets, resulting in a broadcast storm that overwhelmed the network. References: CompTIA Network+ Certification Exam Objectives Version 7.0 (N10-007), Objective 2.4: Given a scenario, use appropriate software tools to troubleshoot connectivity issues.

• Question 535:

  A junior network engineer is trying to change the native network ID to a non-default value that can then be applied consistently throughout the network environment. Which of the following issues is the engineer attempting to prevent?

  A. DDoS
  B. ARP spoofing
  C. VLAN hopping
  D. Rogue DHCP
  C. VLAN hopping

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  Explanation/Reference:

  VLAN hopping is a security vulnerability that can occur in situations where a switch incorrectly forwards traffic between different VLANs that should be isolated from each other. One common method attackers use to exploit VLAN hopping is by sending frames with 802.1Q tags (VLAN tags) that belong to different VLANs, causing the switch to incorrectly forward the traffic between VLANs.

• Question 536:

  A user reports having intermittent connectivity issues to the company network. The network configuration for the user reveals the following:

  IP address: 192.168.1.10

  Subnet mask: 255.255.255.0 Default gateway: 192.168.1.254

  The network switch shows the following ARP table: Which of the following is the most likely cause of the user's connection issues?

  

  A. A port with incorrect VLAN assigned
  B. A switch with spanning tree conflict
  C. Another PC with manually configured IP
  D. A router with overlapping route tables
  C. Another PC with manually configured IP

• Question 537:

  A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?

  A. OTDR
  B. Tone generator
  C. Fusion splicer
  D. Cable tester
  E. PoE injector
  A. OTDR

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  Explanation/Reference:

  An OTDR (Optical Time Domain Reflectometer) works by emitting a short pulse of light into the fiber and then measuring the backscattered light as a function of time. By analyzing the backscattered light, the OTDR can determine the location and characteristics of events, such as bends, breaks, or splices, along the fiber.

• Question 538:

  A network is secured and is only accessible via TLS and IPSec VPNs. Which of the following would need to be present to allow a user to access network resources on a laptop without logging in to the VPN application?

  A. Site-to-site
  B. Secure Shell
  C. In-band management
  D. Remote desktop connection
  A. Site-to-site

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  Explanation/Reference:

  A site-to-site VPN is a type of VPN that connects two or more networks over the Internet using a secure tunnel. A site-to-site VPN allows users to access network resources on a laptop without logging in to the VPN application, as long as the laptop is connected to one of the networks in the VPN. A site-to-site VPN is transparent to the users and does not require any additional software or configuration on the client devices. References: Network+ Study Guide Objective 3.4: Explain the purposes and use cases for VPNs.

• Question 539:

  A sales team at a company uses a SaaS solution primarily for videoconferencing and a CRM application that connects to a database server in the corporate data center. Which of the following VPN solutions would allow secure, remote access for sales staff to the CRM application without impacting videoconferencing traffic?

  A. Clientless
  B. Site-to-site
  C. Split tunnel
  D. Full tunnel
  C. Split tunnel

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  Explanation/Reference:

  The best VPN solution for the sales team would be a split tunneling VPN. This type of VPN allows you to route specific traffic through the VPN tunnel, while sending other traffic directly over the internet.

  In this case, the sales team would route the CRM traffic through the VPN tunnel to ensure that it is secure. However, they would not route the videoconferencing traffic through the VPN tunnel, as this could impact the performance of their video calls.

  Here are some of the benefits of using a split tunneling VPN:

  Security: Split tunneling VPNs can help to improve the security of your network by routing sensitive traffic through the VPN tunnel. Performance: Split tunneling VPNs can help to improve the performance of your network by sending nonsensitive traffic directly over the internet.

  Flexibility: Split tunneling VPNs give you more flexibility in how you route your traffic.

• Question 540:

  Users at an office site notice the wireless network is unavailable for a short period after a brownout. Which of the following technologies is MOST cost effective to sustain network equipment during a brief power event?

  A. UPS
  B. Dual power supplies
  C. Generator
  D. Redundant circuits
  A. UPS

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  Explanation/Reference: