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| Section | Weight | Objectives |
|---|---|---|
| Network Troubleshooting | 24% | - Troubleshooting methodology
|
| Network Operations | 19% | - Documentation and diagrams
|
| Network Security | 14% | - Authentication and authorization
|
| Network Implementation | 20% | - Wireless technologies
|
| Networking Concepts | 23% | - Cloud and virtualization
|
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531. Frage
Which of the following most likely determines the size of a rack for installation? (Choose two).
Antwort: A,C
Begründung:
Understanding Rack Size Determination:
The size of a rack for installation is determined by the dimensions of the equipment to be housed in it, primarily focusing on the depth and height of the devices.
Switch Depth:
Depth of Equipment: The depth of network switches and other rack-mounted devices directly influences the depth of the rack. If the equipment is deeper, a deeper rack is required to accommodate it.
Industry Standards: Most racks come in standard depths, but it is essential to match the depth of the rack to the deepest piece of equipment to ensure proper fit and airflow.
Server Height:
Height of Equipment: The height of servers and other devices is measured in rack units (U), where 1U equals 1.75 inches. The total height of all equipment determines the overall height requirement of the rack.
Rack Units: A rack's height is typically described in terms of the number of rack units it can accommodate, such as 42U, 48U, etc.
532. Frage
SIMULATION
A network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the PCs are not connecting to the network, while others appear to be working as intended.
INSTRUCTIONS
Troubleshoot all the network components.
Review the cable test results first, then diagnose by clicking on the appropriate PC, server, and Layer 2 switch.
Identify any components with a problem and recommend a solution to correct each problem.
If at any time you would like to bring back
the initial state of the simulation, please
click the Reset All button.
Antwort:
Begründung:
See the answer and solution below
533. Frage
You are tasked with verifying the following requirements are met in order to ensure network security.
Requirements:
Datacenter
Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic Building A Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide devices to support 5 additional different office users Add an additional mobile user Replace the Telnet server with a more secure solution Screened subnet Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a server to handle external 80/443 traffic Provide a server to handle port 20/21 traffic INSTRUCTIONS Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.
Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Antwort:
Begründung:
See explanation below.
Explanation:
Screened Subnet devices - Web server, FTP server
Building A devices - SSH server top left, workstations on all 5 on the right, laptop on bottom left DataCenter devices - DNS server.
A screenshot of a computer AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
534. Frage
A few employees report issues with sessions disconnecting frequently, buffering repeatedly, and performing poorly. Given the following information:
* Employees are in a multitenant office building.
* The Wi-Fi uses 2.4GHz.
* Wireless signals from users range between -50 to -65dBm.
* WPA2 is used.
Which of the following is the most likely cause of the issues?
Antwort: A
Begründung:
The correct answer is A. Channel overlap . The signal strength numbers given, -50 to -65 dBm , are generally strong enough for normal client connectivity, so this does not point to weak coverage. The bigger clue is that the environment is a multitenant office building and the wireless network is using 2.4 GHz .
That band is well known for congestion and overlapping channels, especially where many nearby businesses or tenants have their own access points.
In the 2.4 GHz range, there are only a few non-overlapping channels commonly used. When many APs operate close together on overlapping channels, clients can experience interference, retransmissions, poor throughput, buffering, and connection instability. Those symptoms fit the scenario very well.
The other options are less convincing. Insufficient wireless coverage does not line up with the reported signal levels. AP antenna type could matter in some designs, but there is nothing in the question pointing to a directional or placement issue. WPA2 is not the cause of the performance symptoms here; while it is older than WPA3, it does not normally create repeated buffering and disconnections in this way.
This is really a wireless interference question, and in a crowded 2.4 GHz building, channel overlap is the most likely reason.
535. Frage
Users on the network are experiencing slow throughput. A technician wants to increase throughput without changing any switch hardware. Which of the following solutions should the technician implement?
Antwort: B
Begründung:
Link aggregation combines multiple physical links into one logical connection, increasing available throughput without replacing switch hardware.
536. Frage
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N10-009 Fragen Und Antworten: https://www.echtefrage.top/N10-009-deutsch-pruefungen.html
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