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New N10-009 Test Question & Official N10-009 Practice Test

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New N10-009 Test Question & Official N10-009 Practice Test

Posted at yesterday 18:37      View：1 | Replies：0        Print      Only Author   [Copy Link] 1#
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CompTIA N10-009 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 2
  • Selection and configuration of wireless devices.
Topic 3
  • 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.

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CompTIA Network+ Certification Exam Sample Questions (Q165-Q170):NEW QUESTION # 165
Which of the following ports creates a secure connection to a directory service?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Answer: A
Explanation:
LDAP (Lightweight Directory Access Protocol) uses port 389 for standard connections and port 636 for LDAP over SSL (LDAPS), which secures directory service communication.
Breakdown of Options:
A: 22 - SSH port, not used for directory services.
B: 389 - Used for LDAP, but not encrypted.
C: 445 - Used for SMB file sharing, not LDAP.
D: 636 - Correct answer. LDAPS (LDAP over SSL/TLS) secures directory authentication.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.1: Compare and contrast network protocols.
RFC 4511: Lightweight Directory Access Protocol (LDAP)

NEW QUESTION # 166
Which of the following offers the ability to manage access at the cloud VM instance?
  • A. Internet gateway
  • B. Security group
  • C. Direct Connect
  • D. Network ACL
Answer: B
Explanation:
Security groups in cloud environments act as virtual firewalls for VM instances, controlling inbound and outbound traffic based on specified rules.
From Andrew Ramdayal's guide:
"Network security groups are used to control inbound and outbound traffic to cloud resources within a VPC. They act as a virtual firewall for associated instances..."

NEW QUESTION # 167
Which of the following routing protocols uses an autonomous system number?
  • A. EIGRP
  • B. OSPF
  • C. BGP
  • D. IS-IS
Answer: C
Explanation:
BGP (Border Gateway Protocol) uses an Autonomous System (AS) number for its operations. An AS is a collection of IP networks and routers under the control of a single organization that presents a common routing policy to the Internet. BGP is used to exchange routing information between different ASes on the Internet, making it the only protocol among the listed options that uses an AS number.
Reference: CompTIA Network+ study materials and RFC 4271.

NEW QUESTION # 168
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 # 169
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?
  • A. MTTR
  • B. RTO
  • C. RPO
  • D. MTBF
Answer: C
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.

NEW QUESTION # 170
......
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