Cert N10-009 Exam - Exam N10-009 Revision Plan

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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
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

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Free PDF Quiz CompTIA - N10-009 –Professional Cert Exam

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CompTIA Network+ Certification Exam Sample Questions (Q179-Q184):

NEW QUESTION # 179
A user recently moved a workstation to a different part of the office. The user is able to access the internet and print but is unable to access server resources. Which of the following is the most likely cause of the issue?

Answer: B

Explanation:
If a workstation can access the internet and printers (likely in another VLAN) but not internal servers, the port was likely placed into the wrong VLAN after the move. VLAN assignment controls Layer 2 segmentation, restricting access to resources on different VLANs.
A). A wrong default gateway would prevent internet access.
C). An error-disabled port would block all connectivity.
D). A duplicate IP would cause general network issues, not just missing server access.
References (CompTIA Network+ N10-009):
Domain: Network Troubleshooting - VLAN misconfiguration, connectivity issues.


NEW QUESTION # 180
Users are unable to access files on their department share located on file server 2.
The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identify any issues, and configure the appropriate solution.
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 solution in Explanation.
Explanation:
To validate routing between networks hosting Workstation A and File Server 2, follow these steps:
* Review Routing Tables:
* Check the routing tables of Router A, Router B, and Router C to identify any missing routes.
* Identify Missing Routes:
* Ensure that each router has routes to the networks on which Workstation A and File Server 2 are located.
* Add Static Routes:
* If a route is missing, add a static route to the relevant destination network via the correct interface.
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet3
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.4.0/22 is directly connected, GigabitEthernet2
C 10.0.6.0/24 is directly connected, GigabitEthernet2
L 10.0.6.1/32 is directly connected, GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet3
L 172.16.27.1/32 is directly connected, GigabitEthernet3
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet1
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.0.0/22 is directly connected, GigabitEthernet1
L 10.0.0.1/32 is directly connected, GigabitEthernet1
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.5/32 is directly connected, GigabitEthernet1
* Routing Table:
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
S 10.0.0.0/22 [1/0] via GigabitEthernet1
S 10.0.4.0/22 [1/0] via GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet2
L 172.16.27.2/32 is directly connected, GigabitEthernet2
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.6/32 is directly connected, GigabitEthernet1
* Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router C's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet3
* Install Static Route to 10.0.4.0/22 via 172.16.27.5 (assuming Router C's IP is 172.16.27.5):
Destination Prefix: 10.0.4.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
* Install Static Route to 10.0.6.0/24 via 172.16.27.2 (assuming Router A's IP is 172.16.27.2):
Destination Prefix: 10.0.6.0
Destination Prefix Mask: 255.255.255.0
Interface: GigabitEthernet2
Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router B's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
Summary of Static Routes:
* Router A:
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet3
* Router B:
* ip route 10.0.4.0 255.255.252.0 GigabitEthernet1
* Router C:
* ip route 10.0.6.0 255.255.255.0 GigabitEthernet2
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet1
These configurations ensure that each router knows the correct paths to reach Workstation A and File Server
2, resolving the connectivity issue.


NEW QUESTION # 181
A user is unable to navigate to a website because the provided URL is not resolving to the correct IP address.
Other users are able to navigate to the intended website without issue. Which of the following is most likely causing this issue?

Answer: A

Explanation:
* Role of the Hosts File:
* The hosts file is a local file on a computer that maps hostnames to IP addresses. It can be used to override DNS resolution by providing a static mapping of a hostname to an IP address.
* Common Issues with the Hosts File:
* If an incorrect IP address is mapped to a hostname in the hosts file, it can cause the computer to resolve the hostname to the wrong IP address. This can lead to navigation issues for specific websites while other users, relying on DNS, do not face the same problem.
* Why Other Options are Less Likely:
* Self-signed certificate: Relates to SSL/TLS and would cause a security warning, not a navigation failure.
* Nameserver record: Affects all users, not just one.
* IP helper: Used to forward DHCP requests and is unrelated to DNS resolution issues.
* Troubleshooting Steps:
* Check the hosts file on the affected user's computer (C:WindowsSystem32driversetchosts on Windows or /etc/hosts on Unix/Linux).
* Look for entries that map the problematic hostname to an incorrect IP address and correct or remove them.


NEW QUESTION # 182
A technician is troubleshooting a user's laptop that is unable to connect to a corporate server. The technician thinks the issue pertains to routing. Which of the following commands should the technician use to identify the issue?

Answer: B

Explanation:
The tracert (Traceroute) command is used to determine the path packets take from the source to the destination. It helps in identifying routing issues by showing each hop the packets pass through, along with the time taken for each hop. This command can pinpoint where the connection is failing or experiencing delays, making it an essential tool for troubleshooting routing issues.Reference: CompTIA Network+ study materials and common network troubleshooting commands.


NEW QUESTION # 183
Which of the following types of connectors allows the transmission of network data through a coaxial cable?

Answer: D

Explanation:
The right answer is C. BNC . A BNC connector is associated with coaxial cabling , which has been used for certain networking, video, and radio frequency applications. In networking history, coax with BNC connectors was common in older Ethernet implementations such as 10BASE2.
The other choices point to different media types. SC is a fiber optic connector. MPO is also a fiber connector, usually for high-density fiber connections. RJ11 is commonly used for telephone wiring rather than coaxial network cabling. Since the question specifically asks about transmission through a coaxial cable , BNC is the only match.
This is one of those basic media and connector recognition questions that CompTIA likes to include. The goal is to connect the connector type to the cabling standard it belongs with. When you see coax, the classic connector to remember is BNC . When you see fiber, think of connectors such as SC, LC, ST, or MPO. When you see telephone pairs, RJ11 is the common answer.
So the clean way to solve this one is by matching cable type to connector type. Coaxial cable goes with BNC .


NEW QUESTION # 184
......

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