CompTIA CompTIA Certifications N10-008 Questions & Answers

• Question 571:

  Which of the following must be functioning properly in order for a network administrator to create an accurate timeline during a troubleshooting process?

  A. NTP

  B. IP helper

  C. Syslog

  D. MySQL

  Correct Answer: A

  NTP is responsible for synchronizing the time across devices in a network, and Syslog relies on accurate time stamps to create an accurate timeline. If the NTP service is not functioning correctly, then the time on the devices in the network may be out of sync, and the timestamps in Syslog messages may not be accurate.

  it's important to ensure that the NTP service is functioning correctly when troubleshooting network issues that require an accurate timeline. By ensuring that the time on all devices in the network is in sync, network administrators can create an accurate timeline of events, making it easier to troubleshoot and identify the root cause of problems.

• Question 572:

  A company wants to set up a backup data center that can become active during a disaster. The site needs to contain network equipment and connectivity. Which of the following strategies should the company employ?

  A. Active-active

  B. Warm

  C. Cold

  D. Cloud

  Correct Answer: B

  A warm backup site is a type of backup data center that is partially configured and ready to be brought online in the event of a disaster. It contains network equipment and connectivity, but it may not have all the necessary systems fully configured or running. This allows the company to bring the site online more quickly in the event of a disaster, compared to a cold site, which would need to be fully configured and equipped before it could be used.

  An active-active data center is a type of data center where both primary and secondary sites are actively running and serving traffic. This type of configuration is typically used for high availability and load balancing, rather than for disaster recovery.

• Question 573:

  Which of the following devices have the capability to allow communication between two different subnetworks? (Select TWO).

  A. IDS

  B. Access point

  C. Layer 2 switch

  D. Layer 3 switch

  E. Router

  F. Media converter

  Correct Answer: DE

  The devices that have the capability to allow communication between two different subnetworks are Router and Layer 3 switch.

  Routers and Layer 3 switches operate at the network layer (Layer 3) of the OSI model and can perform IP routing to connect different subnetworks. They can also perform other functions such as packet filtering, network address translation (NAT), and access control.

  IDS (Intrusion Detection System), access points, Layer 2 switches, and media converters operate at lower layers of the OSI model and do not have the same capability as routers and Layer 3 switches to connect different subnetworks.

• Question 574:

  A user in a branch office reports that access to all files has been lost after receiving a new PC. All other users in the branch can access fileshares. The IT engineer who is troubleshooting this incident is able to ping the workstation from the branch router, but the machine cannot ping the router. Which of the following is MOST likely the cause of the incident?

  A. Incorrect subnet mask

  B. Incorrect DNS server

  C. Incorrect IP class

  D. Incorrect TCP port

  Correct Answer: A

• Question 575:

  A technician is monitoring a network interface and notices the device is dropping packets. The cable and interfaces, however, are in working order. Which of the following is MOST likely the cause?

  A. OID duplication

  B. MIB mismatch

  C. CPU usage

  D. Encapsulation errors

  Correct Answer: C

  High CPU usage is the most likely cause of the device dropping packets when the cable and interfaces are in working order. When the CPU becomes overloaded, the device may not be able to process network packets quickly enough, leading to dropped packets.

• Question 576:

  An engineer is gathering data to determine the effectiveness of UPSs in use at remote retail locations. Which of the following statistics can the engineer use to determine the availability of the remote network equipment?

  A. Uptime

  B. NetFlow baseline

  C. SNMP traps

  D. Interface statistics

  Correct Answer: A

  Uptime is a statistic that can be used to determine the availability of the remote network equipment. Uptime is the amount of time that a device or system has been running without experiencing any failures or disruptions. It is commonly expressed as a percentage of total time, such as 99.99% uptime. By measuring the uptime of the network equipment at the remote retail locations, the engineer can determine how reliable and available the equipment is.

• Question 577:

  A network administrator is planning a WLAN for a soccer stadium and was advised to use MU-MIMO to improve connection performance in high-density areas. The project requires compatibility with clients connecting using 2.4GHz or 5GHz frequencies.

  Which of the following would be the BEST wireless standard for this project?

  A. 80211ac

  B. 802.11ax

  C. 802.11g

  D. 80211n

  Correct Answer: B

  802.11a - 5GHZ 802.11b - 2.4GHZ 802.11g - 2.4GHZ 802.11n - 2.4/5GHZ MIMO 802.11ac - 5GHZ MU-MIMO 802.11ax - 2.4/5/6GHZ MU-MIMO

• Question 578:

  Which of the following describes traffic going in and out of a data center from the internet?

  A. Demarcation point

  B. North-South

  C. Fibre Channel

  D. Spine and leaf

  Correct Answer: B

  North-South refers to the external communication of a data center. It is simply the traffic that flows into and out of a data center. The other external systems that communicate with the data center could be any client requesting access to an application.

• Question 579:

  A network is experiencing extreme latency when accessing a particular website. Which of the following commands will BEST help identify the issue?

  A. ipconfig

  B. netstat

  C. tracert

  D. ping

  Correct Answer: C

  "tracert" command is short for "traceroute," the CLI command which determines the route a packet takes to its destination. Knowing which networks a packet travels through is essential in identifying latency when visiting a website.

• Question 580:

  During a client audit, a network analyst is tasked with recommending changes to upgrade the client network and readiness. Afield technician has submitted the following report:

  

  Based on this report, which of the following metrics or sensors would be the BEST recommendation to the client?

  A. Electrical

  B. Humidity

  C. Flooding

  D. Temperature

  Correct Answer: D

  Based on the report, the BEST recommendation to the client would be to monitor temperature.

  The report mentions poor ventilation in the space where the IT closet and storage room are located. This suggests that there may be a risk of overheating, which could have negative impacts on the performance and health of the network equipment. Monitoring temperature can help detect and prevent overheating, which can improve the reliability and lifespan of the equipment.

  While humidity and flooding can also be important to monitor in certain environments, they are not specifically mentioned in the report and may not be as pressing of an issue in this case. Electrical monitoring may be useful for detecting power surges or other electrical issues, but it is not directly related to the issues mentioned in the report.