Exam N10-009 Assessment & Valid N10-009 Test Pdf

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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 2
  • Selection and configuration of wireless devices.
Topic 3
  • 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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Valid CompTIA N10-009 Test Pdf - Latest N10-009 Exam Materials

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CompTIA Network+ Certification Exam Sample Questions (Q496-Q501):

NEW QUESTION # 496
Which of the following devices can operate in multiple layers of the OSI model?

Answer: D

Explanation:
Understanding Switches:
Layer 2 (Data Link Layer): Traditional switches operate primarily at Layer 2, where they use MAC addresses to forward frames within a local network.
Layer 3 (Network Layer): Layer 3 switches, also known as multilayer switches, can perform routing functions using IP addresses to forward packets between different networks.
Capabilities of Multilayer Switches:
VLANs and Inter-VLAN Routing: Multilayer switches can handle VLAN (Virtual Local Area Network) configurations and perform inter-VLAN routing, enabling communication between different VLANs.
Routing Protocols: They can run routing protocols like OSPF (Open Shortest Path First) and EIGRP (Enhanced Interior Gateway Routing Protocol) to manage traffic between networks.


NEW QUESTION # 497
Users are experiencing significant lag while connecting to a cloud-based application during peak hours. An examination of the network reveals that the bandwidth is being heavily utilized. Further analysis shows that only a few users are using the application at any given time. Which of the following is the most cost-effective solution for this issue?

Answer: A

Explanation:
Quality of Service (QoS)is the best cost-effective solution. It prioritizes traffic based on application criticality.
If the bandwidth is limited and only a few users are affected, prioritizing that application traffic can improve performance without needing costly bandwidth upgrades or direct connections.
Reference:Section 1.2 - Networking Appliances, Applications, and Functions - "Quality of Service (QoS)"


NEW QUESTION # 498
Which of the following would be violated if an employee accidentally deleted a customer's data?

Answer: D

Explanation:
Explanation: Availability refers to ensuring that data is accessible when needed. If a customer's data is accidentally deleted, it impacts availability, as the data can no longer be accessed.


NEW QUESTION # 499
Which of the following provides an opportunity for an on-path attack?

Answer: C

Explanation:
An evil twin is a rogue Wi-Fi access point that mimics a legitimate network. Attackers use it to intercept and manipulate traffic, making it an on-path (formerly MITM) attack opportunity.
Breakdown of Options:
A . Phishing - Tries to steal credentials through fake emails/websites but does not intercept network traffic.
B . Dumpster diving - Involves physical security breaches, not network interception.
C . Evil twin - ✅ Correct answer. A rogue Wi-Fi AP impersonates a real network, allowing traffic interception.
D . Tailgating - Involves physical access security, not network interception.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.3: Explain common network security threats.


NEW QUESTION # 500
Which of the following ports is used to transfer data between mail exchange servers?

Answer: B

Explanation:
The correct answer is B. Port 25 . In CompTIA Network+ N10-009, candidates are expected to know common networking protocols, their purposes, and their associated port numbers. SMTP, or Simple Mail Transfer Protocol, uses TCP port 25 and is primarily responsible for sending email messages between mail servers. When one organization's mail server needs to deliver a message to another organization's mail server, SMTP commonly performs that server-to-server transfer using port 25.
The other options are associated with different services. Port 21 is used by FTP for command/control communication during file transfers. Port 53 is used by DNS for name resolution, translating domain names into IP addresses. Port 69 is used by TFTP, a simplified file transfer protocol often associated with lightweight network device file transfers, such as firmware or configuration files.
For Network+ exam purposes, it is important to distinguish SMTP from email retrieval protocols. POP3 uses port 110 , and IMAP uses port 143 for client mail retrieval, while SMTP is used for sending and relaying email. Therefore, the port used to transfer data between mail exchange servers is TCP 25 .


NEW QUESTION # 501
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