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Title: N10-009 Übungsmaterialien & N10-009 Online Tests [Print This Page]
Author: elizabe506    Time: 17 hour before
Title: N10-009 Übungsmaterialien & N10-009 Online Tests
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CompTIA N10-009 Pr¨¹fungsplan:
ThemaEinzelheiten
Thema 1
  • Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Thema 2
  • 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.
Thema 3
  • Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
Thema 4
  • Selection and configuration of wireless devices.
Thema 5
  • Networking Concepts: For network administrators and IT support professionals, this domain covers

>> N10-009 Übungsmaterialien <<
N10-009 Mit Hilfe von uns können Sie bedeutendes Zertifikat der N10-009 einfach erhalten!Was wissen Sie ¨¹ber die CompTIA N10-009 Zertifizierungspr¨¹fungen? Als eine sehr populäre CompTIA Zertifizierungspr¨¹fung ist diese Pr¨¹fung sehr wichtig. Aber wenn Sie f¨¹r die bessere Vorbereitung der CompTIA N10-009 Pr¨¹fungen die Schulungsunterlagen finden, ist es nicht leicht f¨¹r Sie eine sehr ausgezeichnetes Nachschlagebuch finden. Und Was können Sie machen? Es macht nichts. Wir DeutschPr¨¹fung Ihre W¨¹nsche kennen und Ihre Bed¨¹rfnisse erf¨¹llen bei Angeboten der besten Pr¨¹fungsfragen und Antworten zur CompTIA N10-009 Zertifizierung.
CompTIA Network+ Certification Exam N10-009 Pr¨¹fungsfragen mit Lösungen (Q109-Q114):109. Frage
Which of the following disaster recovery concepts is calculated by dividing the total hours of operation by the total number of units?
Antwort: D
Begr¨¹ndung:
* Introduction to Disaster Recovery Concepts:
* Disaster recovery involves strategies and measures to ensure business continuity and data recovery in the event of a disaster.
* Mean Time Between Failures (MTBF):
* MTBF is a reliability metric used to predict the time between failures of a system during operation. It is calculated by dividing the total operational time by the number of failures.
* Formula:MTBF=Total Operational TimeNumber of Failures        ext{MTBF} = rac{        ext{Total Operational Time}}{        ext{Number of Failures}}MTBF=Number of FailuresTotal Operational Time
* This metric helps in understanding the reliability and expected lifespan of systems and components.
* Example Calculation:
* If a server operates for 1000 hours and experiences 2 failures, the MTBF is:
MTBF=1000 hours2=500 hours        ext{MTBF} = rac{1000         ext{ hours}}{2} = 500         ext{ hours}MTBF=21000 hours=500 hours
* Explanation of the Options:
* A. MTTR (Mean Time to Repair):The average time required to repair a system after a failure.
* B. MTBF (Mean Time Between Failures):The correct answer, representing the average time between failures.
* C. RPO (Recovery Point Objective):The maximum acceptable amount of data loss measured in time.
* D. RTO (Recovery Time Objective):The target time set for the recovery of IT and business activities after a disaster.
* Conclusion:
* MTBF is a crucial metric in disaster recovery and system reliability, helping organizations plan maintenance and predict system performance.
References:
* CompTIA Network+ guide explaining MTBF, MTTR, RPO, and RTO concepts and their calculations (see pageRef 10†How to Use Cisco Packet Tracer).

110. Frage
An organization has a security requirement that all network connections can be traced back to a user. A network administrator needs to identify a solution to implement on the wireless network. Which of the following is the best solution?
Antwort: B
Begr¨¹ndung:
Enterprise authentication (such as WPA2-Enterprise) utilizes unique credentials for each user, typically integrating with an authentication server like RADIUS. This allows for tracking and logging user activity, ensuring that all connections can be traced back to individual users. PSKs (Pre-Shared Keys) are shared among users and do not provide individual accountability. Captive portals can identify users but are less secure than enterprise authentication, and Wired Equivalent Privacy (WEP) is outdated and not recommended for security purposes.
Reference:
CompTIA Network+ materials highlight enterprise authentication methods as the preferred solution for secure and accountable wireless network access.

111. Frage
Which of the following must be implemented to securely connect a company's headquarters with a branch location?
Antwort: B
Begr¨¹ndung:
Site-to-Site VPN: A site-to-site VPN is used to securely connect two networks, such as a company's headquarters and a branch location, over the internet. This type of VPN creates a secure tunnel for data transmission, ensuring confidentiality and integrity.

112. Frage
Which of the following best describe the functions of Layer 2 of the OSI model? (Choose two.)
Antwort: A,E
Begr¨¹ndung:
Layer 2 assigns physical addresses (MAC addresses) to network interface cards (NICs) for devices on a local network. These addresses are used for device-to-device communication within the same network segment.
Layer 2 includes error-detection mechanisms to ensure that data transmitted over the physical medium is free from errors or corruption. This error detection (not correction), ensures data integrity.

113. Frage
A network administrator wants to configure a backup route in case the primary route fails. A dynamic routing protocol is not installed on the router. Which of the following routing features should the administrator choose to accomplish this task?
Antwort: A
Begr¨¹ndung:
* Introduction to Administrative Distance
* Administrative distance (AD) is a value used by routers to rank routes from different routing protocols. AD represents the trustworthiness of the source of the route. Lower AD values are more preferred. If a router has multiple routes to a destination from different sources, it will choose the route with the lowest AD.
* Static Routes and Backup Routes
* When a dynamic routing protocol is not used, static routes can be employed. Static routes are manually configured routes. To ensure a backup route, multiple static routes to the same destination can be configured with different AD values.
* Configuring Static Routes with Administrative Distance
* The primary route is configured with a lower AD value, making it the preferred route. The backup route is configured with a higher AD value. In the event of the primary route failure, the router will then use the backup route.
* Example Configuration:
plaintext
Copy code
ip route 192.168.1.0 255.255.255.0 10.0.0.1 1
ip route 192.168.1.0 255.255.255.0 10.0.0.2 10
* In the above example,192.168.1.0/24is the destination network.
* 10.0.0.1is the next-hop IP address for the primary route with an AD of 1.
* 10.0.0.2is the next-hop IP address for the backup route with an AD of 10.
* Verification:
* After configuration, use theshow ip routecommand to verify that the primary route is in use and the backup route is listed as a candidate for use if the primary route fails.
References:
* CompTIA Network+ guide explains the concept of administrative distance and its use in static routing configuration (see pageRef 9†Basic Configuration Commands).

114. Frage
......
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