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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Network Security: This section of the exam for cybersecurity specialists and network security administrators covers the importance of basic network security concepts, Various types of attacks and their impact on the network, application of network security features, defense techniques, and solutions.\| Network Troubleshooting: For help desk technicians and network support specialists, this section covers troubleshooting methodology, troubleshooting common cabling and physical interface issues, troubleshooting common issues with network services, and use of appropriate tools or protocols to solve networking issues.
Topic 2	Cloud concepts and connectivity options, and Common networking ports.
Topic 3	Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and

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CompTIA Network+ Certification Exam Sample Questions (Q118-Q123):

NEW QUESTION # 118
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?

A. RPO
B. MTBF
C. RTO
D. MTTR

Answer: A

Explanation:
Definition of RPO:
Recovery Point Objective (RPO) is a disaster recovery metric that describes the maximum acceptable amount of data loss measured in time. It indicates the point in time to which data must be recovered to resume normal operations after a disaster.
For example, if the RPO is set to 24 hours, then the business could tolerate losing up to 24 hours' worth of data in the event of a disruption.
Why RPO is Important:
RPO is critical for determining backup frequency and helps businesses decide how often they need to back up their data. A lower RPO means more frequent backups and less potential data loss.
Comparison with Other Metrics:
MTTR (Mean Time to Repair): Refers to the average time required to repair a system or component and return it to normal operation.
RTO (Recovery Time Objective): The maximum acceptable length of time that a computer, system, network, or application can be down after a failure or disaster occurs.
MTBF (Mean Time Between Failures): The predicted elapsed time between inherent failures of a system during operation.
How RPO is Used in Disaster Recovery:
Organizations establish RPOs to ensure that they can recover data within a timeframe that is acceptable to business operations. This involves creating a backup plan that meets the RPO requirements.
Reference:
CompTIA Network+ study materials and certification guides.

NEW QUESTION # 119
A technician is troubleshooting a user's laptop that is unable to connect to a corporate server. The technician thinks the issue pertains to routing. Which of the following commands should the technician use to identify the issue?

A. dig
B. tracert
C. tcpdump
D. arp

Answer: B

Explanation:
The tracert (Traceroute) command is used to determine the path packets take from the source to the destination. It helps in identifying routing issues by showing each hop the packets pass through, along with the time taken for each hop. This command can pinpoint where the connection is failing or experiencing delays, making it an essential tool for troubleshooting routing issues.References: CompTIA Network+ study materials and common network troubleshooting commands.

NEW QUESTION # 120
A network technician replaced an access layer switch and needs to reconfigure it to allow the connected devices to connect to the correct networks.
INSTRUCTIONS
Click on the appropriate port(s) on Switch 1 and Switch 3 to verify or reconfigure the correct settings:
Ensure each device accesses only its
correctly associated network.
Disable all unused switchports.
. Require fault-tolerant connections
between the switches.
. Only make necessary changes to
complete the above requirements.

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
To provide a complete solution for configuring the access layer switches, let's proceed with the following steps:
* Identify the correct VLANs for each device and port.
* Enable necessary ports and disable unused ports.
* Configure fault-tolerant connections between the switches.
Port 1 Configuration (Uplink to Core Switch)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 2 Configuration (Uplink to Core Switch)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 3 Configuration (Server Connection)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN90 (Servers)
Port 4 Configuration (Server Connection)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN90 (Servers)
Port 5 Configuration (Wired Users and WLAN)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150
Port 6 Configuration (Wired Users and WLAN)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150
Port 7 Configuration (Voice and Wired Users)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220
Port 8 Configuration (Voice, Printers, and Wired Users)
* Status: Enabled
* LACP: Enabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220
Port 1 Configuration (Unused)
* Status: Disabled
* LACP: Disabled
Port 2 Configuration (Unused)
* Status: Disabled
* LACP: Disabled
Port 3 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 4 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 5 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 6 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
Port 7 Configuration (Connection to Device)
* Status: Enabled
* LACP: Disabled
* Speed: 1000
* Duplex: Full
* VLAN Configuration: Untagged for VLAN1 (Default)
* Ports 1 and 2 on Switch 1 are configured as trunk ports with VLAN tagging enabled for all necessary VLANs.
* Ports 3 and 4 on Switch 1 are configured for server connections with VLAN 90 untagged.
* Ports 5, 6, 7, and 8 on Switch 1 are configured for devices needing access to multiple VLANs.
* Unused ports on Switch 3 are disabled.
* Ports 3, 4, 5, 6, and 7 on Switch 3 are enabled for default VLAN1.
* Core Switch Ports should be configured as needed for uplinks to Switch 1.
* Ensure LACP is enabled for redundancy on trunk ports between switches.
By following these configurations, each device will access only its correctly associated network, unused switch ports will be disabled, and fault-tolerant connections will be established between the switches.

NEW QUESTION # 121
A network technician needs to install patch cords from the UTP patch panel to the access switch for a newly occupied set of offices. The patch panel is not labeled for easy jack identification. Which of the following tools provides the easiest way to identify the appropriate patch panel port?

A. Cable tester
B. Visual fault locator
C. Toner
D. Laptop

Answer: C

Explanation:
A toner probe, often referred to as a toner and probe kit, is the easiest and most effective tool for identifying individual cables in a bundle, especially in situations where the patch panel is not labeled. The toner sends an audible tone through the cable, and the probe detects the tone at the other end, allowing the technician to quickly identify the correct cable.
* Functionality: The toner generates a tone that travels along the cable. When the probe is placed near the correct cable, it detects the tone and emits a sound.
* Ease of Use: Toner probes are straightforward to use, even in environments with many cables, making them ideal for identifying cables in unlabeled patch panels.
* Efficiency: This method is much faster and more reliable than manual tracing, especially in complex setups.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide: Details tools used for cable identification and troubleshooting.
* Cisco Networking Academy: Provides training on using toner probes and other cable testing tools.
* Network+ Certification All-in-One Exam Guide: Explains the use of different tools for network cable identification and management.

NEW QUESTION # 122
A network engineer is designing a secure communication link between two sites. The entire data stream needs to remain confidential. Which of the following will achieve this goal?

A. GRE
B. ESP
C. AH
D. IKE

Answer: B

Explanation:
* Definition of ESP (Encapsulating Security Payload):
* ESP is a part of the IPsec protocol suite designed to provide confidentiality, integrity, and authenticity of data by encrypting the payload and optional ESP trailer.
* Ensuring Confidentiality:
* Encryption:ESP encrypts the payload, ensuring that the data remains confidential during transmission. Only authorized parties with the correct decryption keys can access the data.
* Modes of Operation:ESP can operate in transport mode (encrypts only the payload) or tunnel mode (encrypts the entire IP packet), both providing strong encryption to secure data between sites.
* Comparison with Other Protocols:
* GRE (Generic Routing Encapsulation):A tunneling protocol that does not provide encryption or security features.
* IKE (Internet Key Exchange):A protocol used to set up a secure, authenticated communications channel, but it does not encrypt the data itself.
* AH (Authentication Header):Provides integrity and authentication for IP packets but does not encrypt the payload.
* Implementation:
* Use ESP as part of an IPsec VPN configuration to encrypt and secure communication between
* two sites. This involves setting up IPsec policies and ensuring both endpoints are configured to use ESP for data encryption.
References:
* CompTIA Network+ study materials on IPsec and secure communication protocols.

NEW QUESTION # 123
......

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