CompTIA N10-008 Online Practice Questions and Exam Preparation

CompTIA N10-008 Online Questions & Answers

• Question 911:

  While troubleshooting a network, a VoIP systems engineer discovers a significant inconsistency in the amount of time required for data to reach its destination and return. Which of the following terms BEST describes this issue?

  A. Bandwidth
  B. Latency
  C. Jitter
  D. Throughput
  C. Jitter

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  Explanation/Reference:

  Jitter refers to the variation in packet arrival time at the receiving end. It can result in the loss of data packets or poor voice quality in VoIP systems due to the irregular delivery of data. Jitter is a significant concern for real-time applications such as VoIP, video conferencing, and online gaming, as it can cause delays and disruptions in communication.

  Bandwidth (option A) refers to the capacity of a network to transmit data. Latency (option B) is the time delay between the sending of a data packet and the receiving of a response. Throughput (option D) refers to the actual amount of data that is successfully transmitted over a communication channel. While all these factors are important in network performance, the inconsistency described in the scenario points to the issue of jitter.

• Question 912:

  An IT officer is installing a new WAP. Which of the following must the officer change to conned users securely to the WAP?

  A. AES encryption
  B. Channel to the highest frequency within the band
  C. TKIP encryption protocol
  D. Dynamic selection of the frequency
  A. AES encryption

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  Explanation/Reference:

  To connect users securely to the new WAP, the IT officer must change the encryption protocol to AES.

  WAP (Wireless Access Point) provides wireless connectivity to devices in a network. Security is essential for wireless networks as wireless signals can be intercepted by unauthorized parties. Therefore, encryption is required to secure wireless communications. There are two encryption protocols used in wireless networks, which are TKIP (Temporal Key Integrity Protocol) and AES (Advanced Encryption Standard). AES is considered more secure than TKIP and is recommended for use.

  The frequency channel and selection are essential to ensure the performance of the wireless network. The highest frequency within the band is not always the best choice for a particular location, as other factors like interference and congestion can affect performance. Dynamic frequency selection can help in selecting the optimal frequency to use. However, it is not related to securing the wireless network.

• Question 913:

  Which of the following is the MOST effective security control to keep a company's physical perimeter protected against intrusions leveraged by social-engineering techniques?

  A. Employee training
  B. Biometric lockers
  C. Access control vestibule
  D. Motion detection
  A. Employee training

• Question 914:

  Which of the following technologies would allow a technician to install and run multiple guest operating systems on host hardware?

  A. PXE
  B. Clustering
  C. Hypervisor
  D. SAN
  C. Hypervisor

• Question 915:

  A technician is troubleshooting a computer issue for a user who works in a new annex of an office building. The user is reporting slow speeds and intermittent connectivity. The computer is connected via a Cat 6 cable to a distribution switch that is 492ft (150m) away. Which of the following should the technician implement to correct the issue?

  A. Increase the bandwidth allocation to the computer.
  B. Install an access switch in the annex and run fiber to the distribution switch.
  C. Run a Cat 7 cable from the computer to the distribution switch.
  D. Enable the computer to support jumbo frames.
  B. Install an access switch in the annex and run fiber to the distribution switch.

• Question 916:

  An ISP is providing Internet to a retail store and has terminated its point of connection using a standard Cat 6 pin-out. Which of me following terminations should the technician use when running a cable from the ISP's port lo the front desk?

  A. F-type connector
  B. TIA/E1A-56S-B
  C. LC
  D. SC
  B. TIA/E1A-56S-B

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  Explanation/Reference:

  The termination that the technician should use when running a cable from the ISP's port to the front desk is B. TIA/EIA-568-B. This is a standard pin-out for Cat 6 cables that is used for Ethernet and other network physical layers1. It specifies how to arrange the eight wires in an RJ45 connector, which is a common type of connector for network cables.

• Question 917:

  A SOHO with ten Wi-Fi equipped laptops needs a new network installed. Which of the following items would be used to setup the office using a new DSL line? (Select TWO).

  A. Router
  B. Wi-Fi Access point
  C. Cable modem
  D. Ten WiMAX adapters
  E. Ten CAT6 patch cables
  A. Router
  B. Wi-Fi Access point

• Question 918:

  A new office space is being designed. The network switches are up, but no services are running yet. A network engineer plugs in a laptop configured as a DHCP client to a switch. Which of the following IP addresses should be assigned to the laptop?

  A. 10.1.1.1
  B. 169.254.1.128
  C. 172.16.128.128
  D. 192.168.0.1
  B. 169.254.1.128

• Question 919:

  A network requirement calls for the network traffic of a specific department within a campus network to be monitored. The network has users from each department located in multiple buildings. Which of the following should be configured to meet this requirement? (Choose two.)

  A. MDIX
  B. 802.1Q
  C. Jumbo frames
  D. Port mirroring
  E. Flow control
  F. LACP
  B. 802.1Q
  D. Port mirroring

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  Explanation/Reference:

  802.1Q is a standard for VLAN tagging, which allows the network administrator to segment the network traffic of different departments into separate VLANs. This makes it easier to monitor and manage the traffic of each department.

  Port mirroring is a feature that allows the network administrator to copy the traffic from one or more ports to another port for analysis. By configuring port mirroring on the ports connected to the specific department, the network administrator can monitor the traffic of that department in real-time.

• Question 920:

  Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?

  A. Link Aggregation Control Protocol
  B. Dynamic routing
  C. Quality of service
  D. Network load balancer
  E. Static IP addresses
  C. Quality of service

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  Explanation/Reference:

  Qualityof Service (QoS) can be configured for latency-sensitive applications, such as Voice over IP (VoIP).