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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Cloud concepts and connectivity options, and Common networking ports.
Topic 2
  • Selection and configuration of wireless devices.
Topic 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.
Topic 4
  • Networking Concepts: For network administrators and IT support professionals, this domain covers
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.

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CompTIA Network+ Certification Exam Sample Questions (Q188-Q193):

NEW QUESTION # 188
A public library wants to implement a solution in which users need to connect to the wireless network and then authenticate via HTTPS with provided credentials. Which of the following technologies fulfills this requirement?

Answer: D

Explanation:
The correct choice is B. Captive portal . This is the common setup used in places like libraries, hotels, airports, and cafes. A user first joins the wireless network, opens a browser, and is redirected to a web page where they must log in, accept terms, or enter provided credentials. Since the question specifically mentions authentication through HTTPS , that matches the behavior of a captive portal very closely.
The other options do not line up with the scenario. WPA3 is a wireless encryption and authentication standard, but it is not the same as a browser-based login page after connection. Single sign-on and SAML are identity and federation technologies used to simplify authentication across applications or services, not to provide the typical guest Wi-Fi web login experience.
The important clue is the sequence described in the question: first connect to Wi-Fi, then authenticate through a web page. That is exactly how a captive portal works. In many public-access wireless environments, the portal sits between the client and normal internet access until the user successfully authenticates or accepts the usage policy. For Network+ exam purposes, browser-based guest wireless authentication is most directly associated with a captive portal .


NEW QUESTION # 189
A network administrator is implementing security zones for each department. Which of the following should the administrator use to accomplish this task?

Answer: A

Explanation:
* Understanding ACLs:
* Access Control Lists (ACLs):A set of rules used to control network traffic and restrict access to network resources by filtering packets based on IP addresses, protocols, or ports.
* Implementing Security Zones:
* Defining Zones:ACLs can be used to create security zones by applying specific rules to different departments, ensuring that only authorized traffic is allowed between these zones.
* Control Traffic:ACLs control inbound and outbound traffic at network boundaries, enforcing security policies and preventing unauthorized access.
* Comparison with Other Options:
* Port Security:Limits the number of devices that can connect to a switch port, preventing MAC address flooding attacks, but not used for defining security zones.
* Content Filtering:Blocks or allows access to specific content based on predefined policies, typically used for web filtering rather than network segmentation.
* NAC (Network Access Control):Controls access to the network based on the security posture of devices but does not define security zones.
* Implementation Steps:
* Define ACL rules based on the requirements of each department.
* Apply these rules to the appropriate network interfaces or firewall policies to segment the network into security zones.
References:
* CompTIA Network+ study materials on network security and access control methods.


NEW QUESTION # 190
After a recent security awareness phishing campaign, the cybersecurity team discovers that additional security measures need to be set up when users access potentially malicious websites. Which of the following security measures will best address this concern?

Answer: A

Explanation:
DNS filtering blocks access to known malicious websites by comparing domain requests against a list of allowed or blocked URLs. It is an effective defense against phishing and other web-based attacks.
From Andrew Ramdayal's guide:
"URL filtering restricts access to specific websites or web content by comparing URLs against a predefined list of allowed or blocked sites...commonly used to prevent users from accessing malicious sites."


NEW QUESTION # 191
Which of the following network cables involves bounding light off of protective cladding?

Answer: A

Explanation:
Multimode fiber optic cables involve the transmission of light signals that bounce off the core's cladding as they travel down the fiber. This characteristic differentiates it from single-mode fiber, where the light travels directly down the fiber without reflecting off the cladding.
Here are some detailed points about multimode fiber cables:
* Construction: Multimode fibers have a larger core diameter, typically 50 or 62.5 microns, compared to single-mode fibers, which have a core diameter of about 9 microns.
* Light Propagation: The larger core of multimode fiber allows multiple light modes to propagate. These modes travel at different angles, leading to reflections off the core-cladding boundary.
* Distance and Bandwidth: Due to modal dispersion, where different light modes arrive at the receiver at different times, multimode fibers are suited for shorter distance applications compared to single-mode fibers. Typical distances are up to 550 meters for 10 Gbps Ethernet using OM4 multimode fiber.
* Applications: Multimode fibers are commonly used in LANs (Local Area Networks), data centers, and for shorter distance data transmission due to their cost-effectiveness and ease of installation.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide, which covers fiber optic technologies, including the differences between multimode and single-mode fibers.
* Cisco Networking Academy: Provides training materials and reference guides on the properties of different fiber optic cables.
* Fiber Optic Association (FOA): A professional society dedicated to fiber optics, offering extensive information and certification on fiber optic technologies.
Multimode fibers are specifically designed for short-range communication with higher data rates and are typically used in environments like data centers, where high bandwidth over shorter distances is crucial. The reflections off the cladding, inherent to multimode fiber, facilitate this high-capacity communication.


NEW QUESTION # 192
A network administrator is planning to host a company application in the cloud, making the application available for all internal and third-party users. Which of the following concepts describes this arrangement?

Answer: A

Explanation:
Multitenancy is a cloud computing architecture where a single instance of software serves multiple customers or tenants. Each tenant's data is isolated and remains invisible to other tenants. Hosting a company application in the cloud to be available for both internal and third- party users fits this concept, as it allows shared resources and infrastructure while maintaining data separation and security.


NEW QUESTION # 193
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