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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
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions
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.
Topic 6
  • 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.

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CompTIA Network+ Certification Exam Sample Questions (Q273-Q278):

NEW QUESTION # 273
A network engineer receives a new router to use for WAN connectivity. Which of the following best describes the layer the network engineer should connect the new router to?

Answer: C

Explanation:
Comprehensive and Detailed Explanation (paraphrased, aligned to N10-009):
In a spine-leaf architecture, endpoints (including servers, firewalls, and WAN/edge routers) connect to leaf switches. Leaf switches then uplink to spine switches; spine switches do not have endpoints connected directly to them. Therefore, a WAN router (an external/edge device) should connect to the leaf layer-often specifically to a "border leaf" that handles external connectivity.
Why not B. Core or D. Spine? In spine-leaf, "core" isn't a formal layer, and spines are designed only to interconnect leafs, not to terminate endpoints.
Why not A. Access? "Access" is a term from the traditional three-tier model (access-distribution-core). In modern spine-leaf language, the analogous layer for endpoint attachment is the leaf.
Reference (CompTIA Network+ N10-009):


NEW QUESTION # 274
What type of attack occurs when attackers send fraudulent text messages pretending to be a trusted source, tricking the victim into giving up sensitive credentials?

Answer: B

Explanation:
Smishing (SMS phishing) occurs when attackers send fraudulent text messages pretending to be a trusted source, tricking the victim into giving up sensitive credentials. Since this came via text message, it qualifies as smishing.
* A. DNS poisoning corrupts name resolution.
* B. ARP spoofing manipulates MAC-to-IP mappings.
* C. Vishing is phishing via voice calls, not text.
References (CompTIA Network+ N10-009):
* Domain: Network Security - Social engineering, phishing types (smishing, vishing, spear phishing).


NEW QUESTION # 275
A network administrator installs new cabling to connect new computers and access points. After deploying the equipment, the administrator notices a few of the devices are not connecting properly. The administrator moves the devices to a different port, but it does not resolve the issue. Which of the following should the administrator verify next?

Answer: C

Explanation:
Cable termination issues (e.g., improper crimping, loose connectors) can cause connectivity failures.


NEW QUESTION # 276
A network administrator needs to connect two routers in a point-to-point configuration and conserve IP space. Which of the following subnets should the administrator use?

Answer: C

Explanation:
Using a /30 subnet mask is the most efficient way to conserve IP space for a point-to-point connection between two routers. A /30 subnet provides four IP addresses, two of which can be assigned to the router interfaces, one for the network address, and one for the broadcast address. This makes it ideal for point-to-point links where only two usable IP addresses are needed.
Reference: CompTIA Network+ study materials and subnetting principles.


NEW QUESTION # 277
Several unauthorized APs near the corporate headquarters are broadcasting similar SSIDs.
Which of the following types of attacks is being described?

Answer: D

Explanation:
An evil twin attack involves rogue access points broadcasting a network name identical or similar to a legitimate SSID to trick users into connecting.


NEW QUESTION # 278
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