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| Section | Weight | Objectives |
|---|---|---|
| Networking Fundamentals | 23% | - Network devices and cabling - Ports, protocols, and services - OSI and TCP/IP models - IP addressing and subnetting - Network topologies and types |
| Network Security | 14% | - Authentication and access control - Network hardening and secure configuration - Segmentation and traffic protection - Threats, vulnerabilities, and mitigation - Security concepts and frameworks |
| Network Troubleshooting | 24% | - Troubleshooting methodology - Connectivity issues - Performance and latency problems - Tools and command-line utilities - Wireless and security troubleshooting |
| Network Implementations | 20% | - Network services configuration - Physical network installation - Wireless standards and deployment - Switching technologies and configurations - Routing concepts and protocols |
| Network Operations | 19% | - Network monitoring and documentation - Business continuity and disaster recovery - Infrastructure automation basics - Performance management and optimization - High availability and redundancy |
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NEW QUESTION # 356
Users at a satellite office are experiencing issues when using videoconferencing. Which of the following should a technician focus on first to rectify these issues?
Answer: D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Quality of Service (QoS) ensures video conferencing receives priority bandwidth to prevent latency, jitter, and packet loss.
* QoS settings prioritize real-time traffic, ensuring smooth performance.
? Reference: CompTIA Network+ (N10-009) Official Study Guide - Section: Network Performance Optimization
NEW QUESTION # 357
If a user is redirected to the wrong hostname, which DNS record should be modified to ensure that the alias points to the correct domain name?
Answer: B
Explanation:
A CNAME (Canonical Name) record maps an alias to the correct fully qualified domain name (FQDN). If a user is redirected to the wrong hostname, correcting or updating the CNAME ensures the alias points to the proper domain.
* B. PTR record maps IP to hostname (reverse DNS), not forward website resolution.
* C. NTP relates to time sync, irrelevant to DNS resolution.
* D. TXT record stores metadata like SPF or DKIM info, not used for hostname aliasing.
References (CompTIA Network+ N10-009):
* Domain: Network Standards, Protocols, and Implementations - DNS record types (A, AAAA, CNAME, PTR, TXT).
NEW QUESTION # 358
Which of the following is a reason to decide on the approach when troubleshooting an incident?
Answer: D
Explanation:
Deciding on the troubleshooting approach helps the technician choose the most efficient method based on scope, urgency, available tools, and resources, reducing unnecessary effort while isolating the issue effectively.
NEW QUESTION # 359
Which of the following panels would be best to facilitate a central termination point for all network cables on the floor of a company building?
Answer: D
Explanation:
Reference: CompTIA Network+ Certification Exam Objectives - Network Installation section.
NEW QUESTION # 360
Which of the following steps in the troubleshooting methodology includes checking logs for recent changes?
Answer: D
Explanation:
Checking logs for recent changes is part of the "Identify the problem" step in the CompTIA troubleshooting methodology. This step involves gathering information, including reviewing logs and documentation, to understand what might have changed or caused the issue. This preliminary analysis is critical for forming an accurate theory about the problem.
Reference: CompTIA Network+ Certification Exam Objectives - Troubleshooting section.
NEW QUESTION # 361
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