N10-009 Books PDF & Exam N10-009 Details

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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Selection and configuration of wireless devices.
Topic 2	Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 3	Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 4	Cloud concepts and connectivity options, and Common networking ports.
Topic 5	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.

CompTIA Network+ Certification Exam Sample Questions (Q138-Q143):

NEW QUESTION # 138
A network engineer is completing a wireless installation in a new building. A requirement is that all clients be able to automatically connect to the fastest supported network. Which of the following best supports this requirement?

A. Adding a captive portal
B. Configuring MAC filtering
C. Enabling band steering
D. Disabling the 5GHz SSID

Answer: C

Explanation:
Band Steering: This technology encourages capable devices to use the faster and less congested 5 GHz band. It ensures clients automatically connect to the most optimal frequency, enhancing speed and performance.
Disabling the 5GHz SSID (B): Prevents access to the fastest network, defeating the purpose.
Adding a captive portal (C): Captive portals control access but do not affect network speed.
Configuring MAC filtering (D): Restricts access but does not influence network selection.

NEW QUESTION # 139
After a recent power outage, users are reporting performance issues accessing the application servers.
Wireless users are also reporting intermittent Internet issues.
INSTRUCTIONS
Click on each tab at the top of the screen. Select a widget to view information, then use the drop-down menus to answer the associated questions. If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Answer:

Explanation:
See the answer and solution below.
Explanation:
Network Health:
WAN 2 appears to have a lower average latency and loss percentage, which would make it the preferred WAN station for VoIP traffic. VoIP traffic requires low latency and packet loss to ensure good voice quality and reliability. WAN 1 seems to have higher RAM and processor usage, which could also affect the performance of VoIP traffic.
Here's the summary of the key metrics for WAN 1 and WAN 2 from the image provided:
* WAN 1:
* Uplink Speed: 10G
* Total Usage: 26.969GB Up / 1.748GB Down
* Average Throughput: 353MBps Up / 23.42MBps Down
* Loss: 2.51%
* Average Latency: 24ms
* Jitter: 9.5ms
* WAN 2:
* Uplink Speed: 1G
* Total Usage: 930GB Up / 138GB Down
* Average Throughput: 12.21MBps Up / 1.82MBps Down
* Loss: 0.01%
* Average Latency: 11ms
* Jitter: 3.9ms
For VoIP traffic, low latency and jitter are particularly important to ensure voice quality. While WAN 1 has higher bandwidth and throughput, it also has higher latency and jitter compared to WAN 2. However, WAN 2 has much lower loss, lower latency, and lower jitter, which are more favorable for VoIP traffic that is sensitive to delays and variation in packet arrival times.
Given this information, WAN 2 would generally be preferred for VoIP traffic due to its lower latency, lower jitter, and significantly lower loss percentage, despite its lower bandwidth compared to WAN 1. The high bandwidth of WAN 1 may be more suitable for other types of traffic that are less sensitive to latency and jitter, such as bulk data transfers.

Device Monitoring:
the device that is experiencing connectivity issues is the APP Server or Router 1, which has a status of Down
. This means that the server is not responding to network requests or sending any data. You may want to check the physical connection, power supply, and configuration of the APP Server to troubleshoot the problem.

NEW QUESTION # 140
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?

A. Neighbor adjacency
B. Administrative distance
C. Link state flooding
D. Hop count

Answer: B

Explanation:
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, 192.168.1.0/24 is the destination network.
10.0.0.1 is the next-hop IP address for the primary route with an AD of 1.
10.0.0.2 is the next-hop IP address for the backup route with an AD of 10.
Verification:
After configuration, use the show ip route command 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.
Reference:
CompTIA Network+ guide explains the concept of administrative distance and its use in static routing configuration (see page Ref 9fasic Configuration Commands).

NEW QUESTION # 141
Which of the following allows a user toconnect to an isolated deviceon astand-alone network?

A. Jump box
B. Clientless VPN
C. API gateway
D. Secure Shell (SSH)

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
Ajump boxis ahardened systemthat providessecure accessto isolated or sensitive devices on a separate network.
Breakdown of Options:
* A. Jump box-#Correct answer.Acts as amiddle point for secure remote access.
* B. API gateway- Used formanaging API calls,not remote access to isolated devices.
* C. Secure Shell (SSH)- Requiresdirect connectivity, whichmay not be availablefor anisolated device
.
* D. Clientless VPN-Allows web-based VPN access, but doesnot guarantee access to isolated devices.

NEW QUESTION # 142
A research facility is expecting to see an exponential increase in global network traffic in the near future. The offices are equipped with 2.5Gbps fiber connections from the ISP, but the facility is currently only utilizing
1Gbps connections. Which of the following would need to be configured in order to use the ISP's connection speed?

A. Network address translation
B. Link aggregation
C. Port duplex
D. 802.1Q tagging

Answer: B

Explanation:
* Understanding Link Aggregation:
* Definition: Link aggregation combines multiple network connections into a single logical link to increase bandwidth and provide redundancy.
* Usage in High-Bandwidth Scenarios:
* Combining Links: By aggregating multiple 1Gbps connections, the facility can utilize the full 2.5 Gbps bandwidth provided by the ISP.
* Benefits: Enhanced throughput, load balancing, and redundancy, ensuring better utilization of available bandwidth.
* Comparison with Other Options:
* 802.1Q Tagging: Used for VLAN tagging, which does not affect the physical bandwidth utilization.
* Network Address Translation (NAT): Used for IP address translation, not related to link speed or bandwidth aggregation.
* Port Duplex: Refers to the mode of communication (full or half duplex) on a port, not the aggregation of bandwidth.
* Implementation:
* Configure link aggregation (often referred to as LACP - Link Aggregation Control Protocol) on network devices to combine multiple physical links into one logical link.

NEW QUESTION # 143
......

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N10-009 Books PDF & Exam N10-009 Details

Exam N10-009 Details & Sample N10-009 Questions Answers

CompTIA N10-009 Exam Syllabus Topics:

CompTIA Network+ Certification Exam Sample Questions (Q138-Q143):

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