CompTIA N10-008 Online Practice Questions and Exam Preparation

CompTIA N10-008 Online Questions & Answers

• Question 191:

  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?

  A. IP route table
  B. VLAN tag
  C. MAC table
  D. QoS tag
  C. MAC table

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  Explanation/Reference:

  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.

• Question 192:

  Which of the following routing protocols uses attributes to select the best path?

  A. EIGRP
  B. BGP
  C. OSPF
  D. RIP
  B. BGP

• Question 193:

  A company wants to add a local redundant data center to its network in case of failure at its primary location. Which of the following would give the LEAST amount of redundancy for the company's network?

  A. Cold site
  B. Hot site
  C. Cloud site
  D. Warm site
  A. Cold site

• Question 194:

  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?

  A. Add another AP.
  B. Disable the 2.4GHz radios.
  C. Enable channel bonding.
  D. Upgrade to WiFi 5.
  C. Enable channel bonding.

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  Explanation/Reference:

  Enabling channel bonding can be the cheapest way for the office to increase network performance. This approach combines two adjacent channels, effectively doubling the bandwidth available for devices. Upgrading to WiFi 5 or adding another AP might result in higher costs, and disabling the 2.4GHz radios would limit the number of devices that could connect to the network.

• Question 195:

  Which of the following BEST describes the difference between layer 2 switching and layer 2 routing?

  A. Switching moves packets between hosts on different subnets, and routing moves packets between hosts on the same subnet.
  B. Routing moves packets between hosts on different subnets, and switching moves packets between hosts on the same subnet.
  C. Both routing and switching move packets between hosts on the same subnet, but routing does so at a faster pace.
  D. Both routing and switching move packets between hosts on different subnets, but switching does so at a faster pace.
  B. Routing moves packets between hosts on different subnets, and switching moves packets between hosts on the same subnet.

• Question 196:

  A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools would help identify which ports are open on the remote file server?

  A. dig
  B. nmap
  C. tracert
  D. nslookup
  B. nmap

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  Explanation/Reference:

  Nmap (Network Mapper) is a powerful network scanning and reconnaissance tool used to discover hosts and services on a network. It can be used to determine what ports are open and what services are running on those ports on the remote file server. This would help in identifying any accessible services or potential issues with specific ports that might be causing the loss of access.

• Question 197:

  Which of the following is the best action to take before sending a network router to be recycled as electronic waste?

  A. Turn on port security.
  B. Shred the switch hard drive.
  C. Back up and erase the configuration.
  D. Remove the company asset ID tag.
  C. Back up and erase the configuration.

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  Explanation/Reference:

  Before disposing of a network router, it is important to back up and erase the configuration to prevent unauthorized access to sensitive data and network settings. A network router may contain information such as passwords, IP addresses, firewall rules, VPN settings, and other network parameters that could be exploited by hackers or malicious users. By backing up the configuration, you can preserve the network settings for future reference or reuse. By erasing the configuration, you can wipe out the data and restore the router to its factory default state.

• Question 198:

  A network administrator plans to install network connectivity at a new remote office location. The administrator is concerned about how to troubleshoot network connectivity issues and reconfigure the remote router. The technician should use:_____

  A. an SD card with a backup configuration
  B. a TFTP server on the main network for backup configurations
  C. a modem using POTS.
  D. a second Ethernet interface for remote access.
  C. a modem using POTS.

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  Explanation/Reference:

• Question 199:

  A virtual machine has the following configuration:

  IPv4 address: 169.254.10.10 Subnet mask: 255.255.0.0

  The virtual machine can reach colocated systems but cannot reach external addresses on the internet. Which of the following is most likely the root cause?

  A. The subnet mask is incorrect.
  B. The DHCP server is offline.
  C. The IP address is an RFC1918 private address.
  D. The DNS server is unreachable.
  B. The DHCP server is offline.

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  Explanation/Reference:

  The IP address 169.254.10.10 is an APIPA (Automatic Private IP Addressing) address, which is assigned by the operating system when a DHCP server is not available or reachable. APIPA addresses are in the range of 169.254.0.0/16, and they allow the device to communicate with other devices on the same local network, but not with external networks or the internet. Therefore, the most likely root cause of the virtual machine's connectivity issue is that the DHCP server is offline or malfunctioning, and the virtual machine cannot obtain a valid IP address from it.

• Question 200:

  Users report that a database server responds slowly or drops connections to other servers at random during busy times. A technician notices the database and servers are connected to an access switch in the office. Which of the following should the technician do to improve the performance of the database server?

  A. Use different ports on the access switch.
  B. Implement LACP on the connection to the database server.
  C. Move the cable connection for users to the same switch as the database server.
  D. Move the server connection from the access switch to the core switch.
  D. Move the server connection from the access switch to the core switch.