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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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
  • Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 5
  • Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 6
  • Cloud concepts and connectivity options, and Common networking ports.

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CompTIA Network+ Certification Exam Sample Questions (Q606-Q611):

NEW QUESTION # 606
Which of the following does a hash provide?

Answer: B

Explanation:
The correct answer is Integrity because a hashing algorithm ensures that data has not been altered. According to CompTIA Network+ (N10-009) security objectives, hashing is a cryptographic process that takes input data of any size and produces a fixed-length output known as a hash value or digest. If even a single bit of the original data changes, the resulting hash value will be significantly different.
Hashing is commonly used to verify file integrity, validate message authenticity, and securely store passwords. For example, when downloading software, the vendor may publish a hash value so users can calculate the hash of the downloaded file and confirm it matches, ensuring the file was not tampered with.
Non-repudiation (Option A) typically requires digital signatures that combine hashing with asymmetric encryption to verify the sender's identity. Confidentiality (Option C) is achieved through encryption, which protects data from unauthorized access. Availability (Option D) refers to ensuring systems and data are accessible when needed and is not related to hashing functions.
Therefore, hashing primarily provides data integrity verification.


NEW QUESTION # 607
A technician needs to identify a computer on the network that is reportedly downloading unauthorized content. Which of the following should the technician use?

Answer: A

Explanation:
Packet Capture: This method captures and inspects network traffic to identify unauthorized downloads or malicious behavior. It provides detailed insight into the data being transmitted, making it the best tool for this scenario.
Anomaly alerts (A): Alerts may indicate unusual activity but do not provide detailed traffic analysis.
Port mirroring (B): Port mirroring can redirect traffic for analysis but requires a packet capture tool for deeper inspection.
Performance monitoring (C): Focuses on system performance metrics, not detailed traffic content.
Reference:


NEW QUESTION # 608
A customer calls the help desk to report issues connection to the internet. The customer can reach a local database server. A technician goes to the site and examines the configuration:
Which of the following is causing the user's issue?

Answer: C

Explanation:
The customer can access local resources (a database server), which means local networking is working. However, the inability to reach the internet suggests an issue with the default gateway. If the default gateway is unreachable, packets will not be routed outside the local network.
Breakdown of Options:
A . Incorrect DNS - DNS issues would cause problems resolving domain names, but the user should still be able to access external resources via IP addresses.
B . Unreachable gateway - โœ… Correct answer. If the default gateway is incorrect or unreachable, the device cannot route traffic to the internet.
C . Failed root bridge - STP (Spanning Tree Protocol) failures cause switching issues, but the user can still access local devices, meaning STP is not the problem.
D . Poor upstream routing - Would affect the entire network, not just one user.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 2.3: Explain network routing concepts.


NEW QUESTION # 609
Which of the following is a type of NAC that uses a set of policies to allow or deny access to the network based on the user's identity?

Answer: B

Explanation:
802.1X is a port-based Network Access Control (NAC) method that enforces authentication before allowing access to the network. It uses a RADIUS server for identity verification and policy enforcement, ensuring only authorized users/devices gain access.
A). Standard ACL filters traffic by IP, not identity.
B). MAC filtering controls devices by hardware address but can be spoofed.
D). SSO (Single Sign-On) provides user convenience across services, not network-level access control.
References (CompTIA Network+ N10-009):
Domain: Network Security - NAC, 802.1X authentication, identity-based access.


NEW QUESTION # 610
A company is expanding to another floor in the same building. The network engineer configures a new switch with the same VLANs as the existing stack. When the network engineer connects the new switch to the existing stack, all users lose connectivity. Which of the following is the MOST likely reason?

Answer: A

Explanation:
This describes a Spanning Tree Protocol (STP) loop. If STP isn't correctly configured or a redundant link is added without STP protection, it causes broadcast storms and network outages.


NEW QUESTION # 611
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