PDF N10-008 Study Guide

The switchport is shut down, which means it is administratively disabled and cannot forward traffic. The image shows that the switchport status is “down” and the protocol status is “down”, indicating that there is no physical or logical connection. The cable is plugged in, as shown by the “connected” message under the interface name. The loopback is not set, as shown by the “loopback not set” message under the encapsulation type. The bandwidth configuration is correct, as shown by the “BW 10000 Kbit/sec” message under the MTU size. References: [CompTIA Network+ Certification Exam Objectives], Domain 3.0 Infrastructure, Objective 3.1: Given a scenario, use appropriate networking tools, Subobjective: Command line tools (ping, netstat, tracert, etc.)

• The question asks about the option that is used to provide disaster recovery capabilities to spin up critical devices using internet resources.
• Disaster recovery is the process of restoring normal operations after a disruptive event, such as a natural disaster, a cyberattack, or a power outage. Disaster recovery involves planning, testing, and implementing strategies to minimize downtime and data loss.
• One of the strategies for disaster recovery is to use a cloud site, which is a virtualized environment that can be accessed over the internet. A cloud site can provide on-demand resources, scalability, and flexibility for disaster recovery purposes. A cloud site can also reduce the cost and complexity of maintaining a physical backup site.
• Therefore, the answer is A, a cloud site, as it can provide disaster recovery capabilities to spin up critical devices using internet resources.

References:

• CompTIA Network+ N10-008 Study Guide, Chapter 5: Network Operations, Section 5.3: Disaster Recovery Concepts and Processes, Pages 279-280
• Professor Messer’s CompTIA N10-008 Network+ Course, Video 5.3: Disaster Recovery Concepts and Processes, Part 2
• Network + N10-008 practice exam, Question 978, Answer A, Explanation

A full-tunnel VPN is a type of virtual private network (VPN) that encrypts and routes all the traffic from the remote device to the corporate network, regardless of the destination or protocol. This provides a secure connection for the remote employees to access the corporate resources, as well as inspect and control the internet access through the corporate firewall and proxy servers. A full-tunnel VPN also prevents any leakage of sensitive data or exposure to malicious attacks from the public internet. A full-tunnel VPN is more secure than a split-tunnel VPN, which only encrypts and routes the traffic destined for the corporate network, while allowing the traffic for other destinations to bypass the VPN and use the local internet connection. A site-to-site VPN is a type of VPN that connects two or more networks, such as branch offices or data centers, over the internet. It is not suitable for connecting individual remote employees to the corporate network. SSH stands for Secure Shell, and it is a protocol that allows secure remote login and command execution over an encrypted channel. It is not a type of VPN, and it does not provide controlled internet access. References: CompTIA Network+ N10-008 Cert Guide, Chapter 5, Section 5.3

• NTP stands for Network Time Protocol, and it is a standard protocol for synchronizing the clocks of network devices over the internet12. NTP uses a hierarchical system of time servers, where each server obtains the time from a higher-level server or a reference clock, and provides the time to lower-level servers or clients12.
• NTP settings on a network device determine how the device obtains and maintains the accurate time from an NTP server, such as the server address, the polling interval, the authentication method, and the time zone34. If the NTP settings are incorrect or outdated, the device may have a wrong or inconsistent time stamp on its log messages34.
• To ensure the log message time stamps are correct, the network administrator should change the NTP settings on the network device to match the correct NTP server, time zone, and other parameters34. This will allow the device to synchronize its clock with the NTP server and generate accurate time stamps on its log messages34.
• The other options are not relevant or effective for resolving the issue. Changing the time on the syslog server will not affect the time stamps generated by the network device5. Updating the network device firmware may not address the NTP settings or the time stamp format6. Adjusting the timeout settings on the syslog server will not change the time stamps received from the network device7. Adjusting the SSH settings on the network device will not impact the NTP settings or the log messages8. References:
• 1: CompTIA Network+ N10-008 Certification Study Guide, Chapter 2: Network Protocols and Services, Section 2.3: NTP
• 2: Professor Messer’s CompTIA N10-008 Network+ Course Notes, Page 9: NTP
• 3: Cisco IOS Configuration Fundamentals Command Reference, Release 12.2, Chapter: NTP Commands
• 4: Juniper Networks, Configuring NTP
• 5: Syslog and timestamps - Splunk Documentation7
• 6: Cisco, How to Upgrade the Firmware on a Cisco Device
• 7: Syslog Message from different Time Zone, Timestamp Syslog-ng - Splunk Community6
• 8: Cisco IOS Security Command Reference: Commands S to Z, Release 12.4T, Chapter: SSH Commands
• : CompTIA Network+ N10-008 Certification Study Guide2
• : Professor Messer’s CompTIA Network+ N10-008 Training Course5
• : NTP Commands
• : Configuring NTP
• : How to Upgrade the Firmware on a Cisco Device
• : SSH Commands