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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam (N10-009) |
| Exam Number: | N10-009 |
| Exam Format: | Performance-based questions, Multiple-response, Multiple-choice |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Up to 90 |
| Related Certifications: | CompTIA A+ CompTIA Security+ |
| Passing Score: | 720 (on a scale of 100-900) |
| Exam Price: | USD 358 (varies by region) |
| Available Languages: | Spanish, German, Portuguese, English, Thai, Japanese |
| Certificate Validity Period: | 3 years |
| Recommended Training: | CertMaster Learn for Network+ CompTIA Network+ Training (Official) |
| Exam Registration: | Pearson VUE Exam Registration CompTIA Official Certification Page |
| Sample Questions: | CompTIA N10-009 Sample Questions |
| Exam Way: | Online proctored or test center (Pearson VUE) |
| Pre Condition: | No mandatory prerequisites, but CompTIA A+ or equivalent knowledge is recommended |
| Official Syllabus URL: | https://www.comptia.org/certifications/network |
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NEW QUESTION # 298
Which of the following would allow a network administrator to analyze attacks coming from the internet without affecting latency?
Answer: B
Explanation:
An Intrusion Detection System (IDS) monitors and analyzes traffic to detect suspicious activity but does not sit in the traffic path, meaning it doesn't affect latency. In contrast, an IPS is in-line and can introduce delay.
NEW QUESTION # 299
Which of the following is the best way to securely access a network appliance from an external location?
Answer: A
Explanation:
SSH (Secure Shell) is the best and most secure method for accessing a network appliance from an external location, according to the CompTIA Network+ N10-009 objectives related to secure management protocols and network security. SSH provides encrypted remote command-line access, ensuring that authentication credentials, commands, and session data are protected from interception, eavesdropping, and man-in-the- middle attacks.
Telnet is an insecure legacy protocol that transmits all data, including usernames and passwords, in cleartext, making it unsuitable for any external or untrusted network access. RDP is primarily used for graphical remote desktop access to Windows systems and is not commonly used for managing network appliances such as routers, switches, firewalls, or load balancers. Additionally, RDP introduces a larger attack surface if exposed externally. FTPS is a secure file transfer protocol and is designed for transferring files, not for interactive device management or configuration.
The Network+ N10-009 exam emphasizes the use of secure administrative access methods, and SSH is the industry-standard protocol for managing network infrastructure devices. It supports strong encryption, key- based authentication, and secure tunneling, making it ideal for remote administration over untrusted networks such as the internet.
NEW QUESTION # 300
Early in the morning, an administrator installs a new DHCP server. In the afternoon, some users report they are experiencing network outages. Which of the following is the most likely issue?
Answer: B
Explanation:
When a DHCP server is installed and not enough IP addresses are provisioned, users may start experiencing network outages once the available IP addresses are exhausted. DHCP servers assign IP addresses to devices on the network, and if the pool of addresses is too small, new devices or those renewing their lease may fail to obtain an IP address, resulting in network connectivity issues.Reference: CompTIA Network+ study materials.
NEW QUESTION # 301
A network technician sets up a computer on the accounting department floor for a user from the marketing department. The user reports that they cannot access the marketing department's shared drives but can access the internet. Which of the following is the most likely cause of this issue?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The user's inability to access the marketing department's shared drives, despite having internet access, suggests a network segmentation issue. The most likely cause is an incorrect VLAN assignment. The computer is physically located on the accounting department floor, and the switchport is likely configured for the accounting VLAN, not the marketing VLAN. VLANs segment network traffic, and if the computer is in the wrong VLAN, it cannot communicate with the marketing department's resources.
Why not Mismatched switchport duplex? Duplex mismatches cause performance issues (e.g., packet loss) but not specific access denials to shared drives.
Why not Misconfigured gateway settings? Incorrect gateway settings would prevent internet access, which the user has.
Why not SVI is assigned to the wrong IP address? A Switch Virtual Interface (SVI) with an incorrect IP address affects inter-VLAN routing, but this would likely impact multiple users, not just one.
Reference:CompTIA Network+ N10-009 Objective 2.2: Explain the purpose of network segmentation and VLAN configuration. The CompTIA Network+ Study Guide (e.g., Chapter 6: Switching) explains that VLANs isolate traffic, and incorrect VLAN assignments prevent access to resources on other VLANs.
NEW QUESTION # 302
Which of the following IP transmission types encrypts all of the transmitted data?
Answer: A
Explanation:
* Definition of ESP (Encapsulating Security Payload):
* ESP is a part of the IPsec protocol suite used to provide confidentiality, integrity, and authenticity of data. ESP encrypts the payload and optional ESP trailer, providing data confidentiality.
* ESP Functionality:
* ESP can encrypt the entire IP packet, ensuring that the data within the packet is secure from interception or eavesdropping. It also provides options for data integrity and authentication.
* ESP operates in two modes: transport mode (encrypts only the payload of the IP packet) and tunnel mode (encrypts the entire IP packet).
* Comparison with Other Protocols:
* AH (Authentication Header): Provides data integrity and authentication but does not encrypt the payload.
* GRE (Generic Routing Encapsulation): A tunneling protocol that does not provide encryption.
* UDP (User Datagram Protocol) and TCP (Transmission Control Protocol): These are transport layer protocols that do not inherently provide encryption. Encryption must be provided by additional protocols like TLS/SSL.
* Use Cases:
* ESP is widely used in VPNs (Virtual Private Networks) to ensure secure communication over untrusted networks like the internet.
NEW QUESTION # 303
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