N10-008 practice questions 41–50

1. Question 41 · 871 in bank

   A network switch was installed to provide connectivity to cameras monitoring wildlife in a remote location. The organization is concerned that intruders could potentially leverage unattended equipment in the remote location to connect rogue devices and gain access to the organization's resources. Which of the following techniques would BEST address the concern?

   • AConfigure port security using MAC filtering.
   • BManually register the cameras on the switch address table.
   • CActivate PoE+ on the active switchports.
   • DDisable Neighbor Discovery Protocol on the switch.

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   Answer: A

   Explanation

   A. Configure port security using MAC filtering would be the BEST technique to address the concern. Port security can be used to restrict access to an interface by limiting the MAC addresses that are allowed to send packets through the port. By configuring port security with MAC filtering, only the authorized MAC addresses of the cameras will be allowed to send packets through the switch ports, preventing rogue devices from connecting to the organization's resources.

   Source: Adapted from community discussion — StellarSteve

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2. Question 42 · 871 in bank

   A technician is documenting an application that is installed on a server and needs to verify all existing web and database connections to the server. Which of the following tools should the technician use to accomplish this task?

   • Atracert
   • Bipconfig
   • Cnetstat
   • Dnslookup

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   Answer: C

   Explanation

   Hey Jamber, I do believe that it is the following "to verify all existing web and database connections to the server" after tying the command on a server at work it made sense to me. I hope your studies have been beneficial to you and if you took your exam already hoped you passed :) .

   Source: Adapted from community discussion — fouserd

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3. Question 43 · 871 in bank

   A technician is assisting a user who cannot access network resources when the workstation is connected to a VoIP phone. The technician identifies the phone as faulty and replaces it. According to troubleshooting methodology, which of the following should the technician do NEXT?

   • AImplement the solution.
   • BTest the theory.
   • CDuplicate the issue.
   • DDocument the findings.
   • EVerify functionality.

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   Answer: E

   Explanation

   The correct answer is E. Verify functionality. According to troubleshooting methodology, after identifying the faulty VoIP phone and replacing it, the technician should verify that the issue has been resolved by testing the workstation's access to network resources. This step is known as "Verifying Full System Functionality" or "Verifying the solution has been properly implemented" and it is the next step after implementing the solution.

   Source: Adapted from community discussion — JakeCharles

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4. Question 44 · 871 in bank

   Which of the following OSI model layers contains IP headers?

   • APresentation
   • BApplication
   • CData link
   • DNetwork
   • ETransport

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   Answer: D

   Explanation

   The correct answer is D. Network The OSI model is a conceptual framework that helps to understand how different protocols and technologies work together to enable communication between devices. In this model, the Network layer is responsible for routing and addressing, which includes the use of IP (Internet Protocol) headers. IP headers contain information about the source and destination of a packet, as well as other parameters used for routing and fragmentation.

   Source: Adapted from community discussion — JakeCharles

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5. Question 45 · 871 in bank

   A small office is running WiFi 4 APs, and neighboring offices do not want to increase the throughput to associated devices. Which of the following is the MOST cost-efficient way for the office to increase network performance?

   • AAdd another AP.
   • BDisable the 2.4GHz radios.
   • CEnable channel bonding.
   • DUpgrade to WiFi 5.

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   Answer: B

   Explanation

   They do not want to increase the throughput to associated devices. So no channel bonding. Most COST effective solution is to disable 2.4ghz and use 5.0. Wifi is 802.11n which used 2.4 and 5.0. This has no cost to this solution.

   Source: Adapted from community discussion — [Removed]

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6. Question 46 · 871 in bank

   A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?

   • AIP route table
   • BVLAN tag
   • CMAC table
   • DQoS tag

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   Answer: C

   Explanation

   A MAC table (Media Access Control table) is a table that maps MAC addresses to switch ports. When a packet is received by a switch, it examines the source MAC address and adds an entry to the MAC table that maps the MAC address to the port on which the packet was received. By reviewing the MAC table, the technician can determine which switch port is associated with the device's physical network address.

   Source: Adapted from community discussion — rah555

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7. Question 47 · 871 in bank

   A network technician is troubleshooting an application issue. The technician is able to recreate the issue in a virtual environment. According to the troubleshooting methodology, which of the following actions will the technician most likely perform NEXT?

   • AGather information from the initial report.
   • BEscalate the issue to a supervisor.
   • CImplement a solution to resolve the issue.
   • DEstablish a theory of probable cause.

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   Answer: D

   Explanation

   According to the troubleshooting methodology, the technician will most likely perform the next step of "Establishing a theory of probable cause" after being able to recreate the issue in a virtual environment.

   Source: Adapted from community discussion — JakeCharles

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8. Question 48 · 871 in bank

   Which of the following types of datacenter architectures will MOST likely be used in a large SDN and can be extended beyond the datacenter?

   • AiSCSI
   • BFCoE
   • CThree-tiered network
   • DSpine and leaf
   • ETop-of-rack switching

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   Answer: D

   Explanation

   General comment, as I don't have Contributer access, but I took this exam yesterday, and it contained maybe two of the questions contained in the first 20 pages on this site. Also, know that the first 5-6 questions were performance-based questions. They took so long to analyze, I skipped most of them, but still passed. I studied from three different sources (here, ExamCram, and a full CompTIA Network+ course at the local college. Good luck, gang. Sorry again for parachuting in, but I hope it helps someone.

   Source: Adapted from community discussion — smarvin

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9. Question 49 · 871 in bank

   A technician is troubleshooting a client's report about poor wireless performance. Using a client monitor, the technician notes the following information:

   

   Which of the following is MOST likely the cause of the issue?

   • AChannel overlap
   • BPoor signal
   • CIncorrect power settings
   • DWrong antenna type

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   Answer: A

   Explanation

   Just a reminder: RSSI stands for Received Signal Strength Indicator. It's a measurement used in wireless networks to quantify the strength of the signal being received by a device, such as a Wi-Fi router, access point, or wireless client (like a laptop, smartphone, or tablet). RSSI is typically expressed in decibels (dBm), which is a logarithmic unit of measurement. A higher RSSI value indicates a stronger signal, while a lower value indicates a weaker signal. The actual RSSI values can vary depending on the hardware and manufacturer, but generally: A high RSSI value (close to 0 dBm) indicates a very strong signal. A low RSSI value (further away from 0 dBm) indicates a weaker signal.

   Source: Adapted from community discussion — TheFivePips

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10. Question 50 · 871 in bank

    A network technician reviews an entry on the syslog server and discovers the following message from a switch: SPANNING-TREE Port 1/1 BLOCKED - Which of the following describes the issue?

    • AA loop was discovered, and the impact was mitigated.
    • BAn incorrectly pinned cable was disconnected.
    • CThe link-local address on the port is incorrect.
    • DThe port was shut down, and it needs to be reactivated.

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    Answer: A

    Explanation

    A. A loop was discovered, and the impact was mitigated. The message "SPANNING-TREE Port 1/1 BLOCKED" indicates that a loop was discovered on port 1/1 and the spanning-tree protocol (STP) blocked the port to prevent the loop from causing a broadcast storm. The "BLOCKED" status is a normal part of the STP process, and it is used to prevent loops in the network. This is the most likely cause of the issue.

    Source: Adapted from community discussion — JakeCharles

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N10-008 practice, question 41. 871 questions available.