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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam |
| Exam Number: | N10-009 |
| Exam Format: | Multiple-choice, Performance-based questions |
| Exam Duration: | 90 minutes |
| Available Languages: | English, German, Portuguese, Spanish, Japanese |
| Related Certifications: | CompTIA A+ CompTIA Cloud+ CompTIA Server+ CompTIA Security+ |
| Exam Price: | $369 USD |
| Real Exam Qty: | Up to 90 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 720 (scale 100โ900) |
| Recommended Training: | CompTIA Study Materials CompTIA Official Training |
| Exam Registration: | Pearson VUE Exam Scheduling CompTIA Official Registration |
| Sample Questions: | CompTIA N10-009 Sample Questions |
| Exam Way: | Online remote proctored or onsite at authorized Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: CompTIA A+ certification and 9โ12 months of hands-on networking experience |
| Official Syllabus URL: | https://www.comptia.org/en-us/certifications/network/ |
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NEW QUESTION # 173
Which of the following allows for interactive, secure remote management of a network infrastructure device?
Answer: C
Explanation:
SSH (Secure Shell) is a cryptographic network protocol that enables secure remote management and operation of network devices, including routers and switches. SSH encrypts traffic, making it more secure than alternatives like Telnet, which sends data in plaintext. The document states:
"SSH (Secure Shell) is the recommended protocol for secure, interactive remote management of network devices. It provides a secure channel over an unsecured network by encrypting the traffic between the administrator's workstation and the managed device."
NEW QUESTION # 174
Due to concerns around single points of failure, a company decided to add an additional WAN to the network. The company added a second MPLS vendor to the current MPLS WAN and deployed an additional WAN router at each site. Both MPLS providers use OSPF on the WAN network, and EIGRP is run internally. The first site to go live with the new WAN is successful, but when the second site is activated, significant network issues occur. Which of the following is the most likely cause for the WAN instability?
Answer: C
Explanation:
Asymmetrical routing occurs when packets take different paths to and from the destination, leading to instability in network communication. The use of two different MPLS providers with OSPF can lead to this type of routing issue, especially if the paths aren't carefully configured and managed. This can cause unexpected routing behaviors and instability in a dual-WAN setup.
NEW QUESTION # 175
A network administrator needs to set up a network monitoring solution. It must have the following features:
* Ability to define read-only users
* Community strings for authentication
* Availability as free open-source software
* Ability to feed a dashboard
Which of the following should the administrator do to complete this task?
Answer: B
Explanation:
The correct answer is SNMP because Simple Network Management Protocol is commonly used to monitor network devices such as switches, routers, firewalls, servers, and wireless access points. SNMP supports community strings, especially in SNMPv1 and SNMPv2c, which function as basic authentication values. A read-only community string allows monitoring systems to collect device information without allowing configuration changes. This directly matches the requirement for read-only users and community-string-based authentication.
CompTIA Network+ N10-009 includes monitoring, management protocols, and operational tools as part of network operations. SNMP data can be collected by open-source monitoring platforms and displayed in dashboards for visibility into bandwidth usage, interface status, errors, CPU utilization, memory usage, and device availability.
TACACS+ is used for centralized authentication, authorization, and accounting, especially for administrative access to network devices. LLDP is a discovery protocol that helps identify neighboring devices but does not provide full monitoring dashboards. A SIEM collects and correlates security events, but community strings are not a SIEM feature. Therefore, configuring SNMP is the best answer.
NEW QUESTION # 176
Which of the following is a characteristic of the application layer?
Answer: A
Explanation:
* Introduction to OSI Model:
* The OSI model is a conceptual framework used to understand network interactions in seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
* Application Layer:
* The application layer (Layer 7) is the topmost layer in the OSI model. It provides network services directly to end-user applications. This layer facilitates communication between software applications and lower layers of the network protocol stack.
* Reliance on Other Layers:
* The application layer relies on the transport layer (Layer 4) for data transfer across the network.
The transport layer ensures reliable data delivery through protocols like TCP and UDP.
* The network layer (Layer 3) is responsible for routing packets to their destination.
* The data link layer (Layer 2) handles node-to-node data transfer and error detection.
* The physical layer (Layer 1) deals with the physical connection between devices.
* Explanation of the Options:
* A. It relies upon other layers for packet delivery:This is correct. The application layer depends on the lower layers (transport, network, data link, and physical) for the actual delivery of data packets.
* B. It checks independently for packet loss:This is incorrect. Packet loss detection is typically handled by the transport layer (e.g., TCP).
* C. It encrypts data in transit:This is incorrect. Encryption is typically handled by the presentation layer or at the transport layer (e.g., TLS/SSL).
* D. It performs address translation:This is incorrect. Address translation is performed by the network layer (e.g., NAT).
* Conclusion:
* The application layer's primary role is to interface with the end-user applications and ensure that data is correctly presented to the user. It relies on the underlying layers to manage the actual data transport and delivery processes.
References:
* CompTIA Network+ guide covering the OSI model and the specific roles and functions of each layer (see pageRef 10โ How to Use Cisco Packet Tracer).
NEW QUESTION # 177
A network administrator is developing a method of device monitoring with the following requirements:
*Allows for explicit, by user, privilege management
*Includes centralized logging of changes
*Offers widely accessible remote management
*Provides support of service accounts
Which of the following will most closely meet these requirements?
Answer: C
Explanation:
*API (Application Programming Interface) enables secure and granular access control, remote management, and logging, making it ideal for network monitoring.
*SNMP (A) is mainly used for device monitoring but lacks centralized logging and user-based privilege control.
*SIEM (C) is a security monitoring tool focused on log collection, not device management.
*SSO (D) is related to authentication, not monitoring.
#Reference: CompTIA Network+ N10-009 Official Documentation - Network Monitoring & Management Technologies.
NEW QUESTION # 178
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