Most Recent CompTIA N10-008 Exam Dumps

A VLAN mismatch is the most likely reason why an IP phone does not receive the necessary DHCP options for registration. A VLAN mismatch occurs when a device is connected to a switch port that belongs to a different VLAN than the device's intended VLAN. This can cause communication problems or prevent access to network resources. For example, if an IP phone is connected to a switch port that belongs to the data VLAN instead of the voice VLAN, it may not receive the DHCP options that contain information such as the TFTP server address, the NTP server address, or the default gateway address for the voice VLAN. These DHCP options are essential for the IP phone to register with the VoIP system and function properly. Reference: https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/13979-dhcp-option-150-00.html

The antenna type affects the signal strength and coverage of a WAP. Different types of antennas have different radiation patterns and gain, which determine how far and wide the signal can reach. If the user experiences a weak signal in one direction but a strong signal in the opposite direction, it could mean that the antenna type is not suitable for the desired coverage area. The technician should consider changing the antenna type to one that has a more balanced or directional radiation pattern. Reference: https://community.cisco.com/t5/wireless-small-business/wap200-poor-signal-strength/td-p/1565796

The firewall logs are the best source of information to determine whether an internal server was accessed by hosts on the internet, as they record all the traffic that passes through the firewall, including the source and destination IP addresses, ports, protocols, and actions taken by the firewall rules.

The server's syslog is a file that records events and messages related to the server's operation, such as system errors, warnings, or notifications. It may not contain information about the network traffic to and from the server, especially if the server was shut down during the investigation.

The NetFlow statistics are a network protocol that collects and analyzes data about the network traffic flows, such as the volume, type, and direction of the traffic. It can provide useful information about the network performance and utilization, but it may not show the details of the individual packets or the firewall actions.

The audit logs on the core switch are a record of the configuration changes and commands executed on the switch, such as adding, deleting, or modifying VLANs, ports, or routing protocols. They can help troubleshoot or verify the switch's operation, but they may not show the network traffic to and from the server.

CompTIA Network+ N10-008 Study Guide, Chapter 7: Network Security, Section 7.2: Network Security Devices and Technologies, p. 372-373

Professor Messer's CompTIA N10-008 Network+ Course Notes, Section 5.1: Network Monitoring Tools, p. 51

Professor Messer's CompTIA N10-008 Network+ Training Course, Video 5.1: Network Monitoring Tools, 12:28-14:02

No more patches or bug fixes are available indefinitely.This indicates that a computer has reached end-of-support, which means that the manufacturer or vendor of the hardware or software no longer provides technical assistance, updates, or security fixes for the product12.This can expose the computer to potential security risks and compatibility issues with newer technologies

The term 'CVE' stands for Common Vulnerabilities and Exposures. It is a reference method used for publicly known security vulnerabilities. When a vendor issues a security advisory about vulnerabilities in their products, they often include CVE identifiers. These advisories help users understand the specific issues and apply necessary resolutions or patches. Unlike the other options, CVE specifically relates to the identification and cataloging of known vulnerabilities, making it the correct choice in the context of a vendor sending out a security advisory listing issues and their resolutions.