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CompTIA N10-009 Sample Questions
Question # 1
A user connects to a corporate VPN via a web browser and is able to use TLS to access the internalfinancial system to input a time card. Which of the following best describes how the VPN is beingused?
A. Clientless B. Client-to-site C. Full tunnel D. Site-to-site
Answer: A
Explanation: The scenario describes a user connecting to a corporate VPN via a web browser using TLS to access
an internal system. This setup is best described as a "clientless" VPN. Clientless VPNs do not require
a VPN client to be installed on the user's device; instead, they rely on a standard web browser to
establish the connection. This method is particularly useful for providing secure, remote access to
applications through a web interface without the need for additional software installations.
Reference: CompTIA Network+ Certification Exam Objectives - Remote Access Methods section.
Question # 2
Which of the following is the most closely associated with segmenting compute resources within asingle cloud account?
A. Network security group B. laaS C. VPC D. Hybrid cloud
Answer: C
Explanation:
A Virtual Private Cloud (VPC) is most closely associated with segmenting compute resources within a
single cloud account. A VPC allows you to define a virtual network that closely resembles a
traditional network, complete with subnets, route tables, and gateways. This segmentation enables
the isolation of different parts of a network within a cloud environment, ensuring security and
efficient resource management. VPCs are a key component in many cloud infrastructures, providing
the flexibility to manage and control network settings and resources.
Which of the following cloud service models most likely requires the greatest up-front expense bythe customer when migrating a data center to the cloud?
A. Infrastructure as a service B. Software as a service C. Platform as a service D. Network as a service
Answer: A
Explanation:
Infrastructure as a Service (IaaS) typically requires the greatest up-front expense by the customer
when migrating a data center to the cloud. IaaS provides virtualized computing resources over the
internet, where customers rent virtual machines, storage, and networks. The customer is responsible
for managing the operating systems, applications, and data. This model often necessitates significant
initial investment in planning, migration, and configuring the infrastructure. In contrast, Software as
a Service (SaaS) and Platform as a Service (PaaS) models usually involve lower up-front costs because
A network administrator is configuring access points for installation in a dense environment where
coverage is often overlapping. Which of the following channel widths should the administrator
choose to help minimize interference in the 2.4GHz spectrum?
A. 11MHz B. 20MHz C. 40MHz D. 80MHz E. 160MHz
Answer: B
Explanation:
In the 2.4GHz spectrum, channels are spaced 5MHz apart but have a bandwidth of 20MHz, resulting
in overlapping channels. To minimize interference, especially in a dense environment where access
point coverage overlaps, a narrower channel width of 20MHz should be used. Using wider channel
widths like 40MHz, 80MHz, or 160MHz in the 2.4GHz band will increase the overlap and
interference. The 20MHz channel width provides a good balance between performance and minimal
SIMULATIONYou have been tasked with implementing an ACL on the router that will:1. Permit the most commonly used secure remote access technologies from the managementnetwork to all other local network segments2. Ensure the user subnet cannot use the most commonly used remote access technologies in theLinux and Windows Server segments.3. Prohibit any traffic that has not been specifically allowed.INSTRUCTIONSUse the drop-downs to complete the ACLIf at any time you would like to bring back the initial state of the simulation, please click the Reset All
Answer: See the answer and solution below.
Question # 7
SIMULATIONAfter a recent power outage, users are reporting performance issues accessing the applicationservers. Wireless users are also reporting intermittent Internet issues.INSTRUCTIONSClick on each tab at the top of the screen. Select a widget to view information, thenuse the drop-down menus to answer the associated questions. If at any time you would like to bringback the initial state of the simulation, please click the Reset All button.
Answer: 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 dat
a. You may want to check the physical connection, power supply, and configuration of the APP Server
to troubleshoot the problem.
Question # 8
A network technician needs to resolve some issues with a customer's SOHO network. Thecustomer reports that some of the PCs are not connecting to the network, while othersappear to be working as intended.INSTRUCTIONSTroubleshoot 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 eachproblem.If at any time you would like to bring backthe initial state of the simulation, pleaseclick the Reset All button.
Answer: See the
answer and solution
below:
Explanation:
Question # 9
SIMULATIONA network technician needs to resolve some issues with a customer's SOHO network.The customer reports that some of the devices are not connecting to the network, while othersappear to work as intended.INSTRUCTIONSTroubleshoot all the network components and review the cable test results by Clicking on eachdevice and cable.Diagnose the appropriate component(s) by identifying any components with a problem andrecommend a solution to correct each problem.Cable Test Results:
Cable 1:
Answer: See the
Explanation for
detailed information
on this simulation.
Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the
understanding)
To troubleshoot all the network components and review the cable test results, you can use the
following steps:
Click on each device and cable to open its information window.
Review the information and identify any problems or errors that may affect the network connectivity
or performance.
Diagnose the appropriate component(s) by identifying any components with a problem and
recommend a solution to correct each problem.
Fill in the remediation form using the drop-down menus provided.
Here is an example of how to fill in the remediation form for PC1:
The component with a problem is PC1.
The problem is Incorrect IP address.
The solution is Change the IP address to 192.168.1.10.
You can use the same steps to fill in the remediation form for other components.
To enter commands in each device, you can use the following steps:
Click on the device to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of the device, including its IP address,
subnet mask, default gateway, and DNS servers.
Enter the command ping <IP address> to test the connectivity and reachability to another device on
the network by sending and receiving echo packets. Replace <IP address> with the IP address of the
destination device, such as 192.168.1.1 for Core Switch 1.
Enter the command tracert <IP address> to trace the route and measure the latency of packets from
the device to another device on the network by sending and receiving packets with increasing TTL
values. Replace <IP address> with the IP address of the destination device, such as 192.168.1.1 for
Core Switch 1.
Here is an example of how to enter commands in PC1:
Click on PC1 to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of PC1. You should see that PC1 has
an incorrect IP address of 192.168.2.10, which belongs to VLAN 2 instead of VLAN 1.
Enter the command ping 192.168.1.1 to test the connectivity to Core Switch 1. You should see that
PC1 is unable to ping Core Switch 1 because they are on different subnets.
Enter the command tracert 192.168.1.1 to trace the route to Core Switch 1. You should see that PC1
is unable to reach Core Switch 1 because there is no route between them.
You can use the same steps to enter commands in other devices, such as PC3, PC4, PC5, and Server
Question # 10
SIMULATION
A network technician was recently onboarded to a company. A manager has
tasked the technician with documenting the network and has provided the technician With partial
information from previous documentation.
Instructions:
Click on each switch to perform a network discovery by entering commands into the terminal. Fill in
the missing information using drop-down menus provided.
Answer: See the
Explanation for
detailed information
on this simulation.
Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the
understanding)
To perform a network discovery by entering commands into the terminal, you can use the following
steps:
Click on each switch to open its terminal window.
Enter the command show ip interface brief to display the IP addresses and statuses of the switch
interfaces.
Enter the command show vlan brief to display the VLAN configurations and assignments of the
switch interfaces.
Enter the command show cdp neighbors to display the information about the neighboring devices
that are connected to the switch.
Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
The IP address of Core Switch 1 is 192.168.1.1.
The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0, VLAN 2: 192.168.2.0, VLAN 3:
192.168.3.0.
The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0 and
GigabitEthernet0.
The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0 and
GigabitEthernet0.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.
