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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Operations | 19% | - Network monitoring and documentation - Performance management and optimization - Infrastructure automation basics - High availability and redundancy - Business continuity and disaster recovery |
| Topic 2: Network Troubleshooting | 24% | - Tools and command-line utilities - Performance and latency problems - Connectivity issues - Troubleshooting methodology - Wireless and security troubleshooting |
| Topic 3: Network Security | 14% | - Threats, vulnerabilities, and mitigation - Segmentation and traffic protection - Authentication and access control - Security concepts and frameworks - Network hardening and secure configuration |
| Topic 4: Networking Fundamentals | 23% | - IP addressing and subnetting - Network devices and cabling - Ports, protocols, and services - OSI and TCP/IP models - Network topologies and types |
| Topic 5: Network Implementations | 20% | - Routing concepts and protocols - Physical network installation - Wireless standards and deployment - Network services configuration - Switching technologies and configurations |
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NEW QUESTION # 114
A network analyst is installing a wireless network in a corporate environment. Employees are required to use their domain identities and credentials to authenticate and connect to the WLAN.
Which of the following actions should the analyst perform on the AP to fulfill the requirements?
Answer: B
Explanation:
WPA3-Enterprise provides strong security and supports authentication using domain identities through a RADIUS server and 802.1X authentication. This is the best choice for a corporate environment requiring user-based authentication.
WPA3-Enterprise Benefits:
- Uses 802.1X with EAP (Extensible Authentication Protocol) to authenticate users via a directory service (e.g., Active Directory).
- Eliminates shared passwords (PSK) for authentication.
- Provides strong encryption and resistance to brute-force attacks.
NEW QUESTION # 115
A company wants to implement data loss prevention by restricting user access to social media platforms and personal cloud storage on workstations. Which of the following types of filtering should the company deploy to achieve these goals?
Answer: B
NEW QUESTION # 116
A network administrator is unable to ping a remote server from a newly connected workstation that has been added to the network. Ping to 127.0.0.1 on the workstation is failing. Which of the following should the administrator perform to diagnose the problem?
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The failure of a ping to 127.0.0.1 (the loopback address) indicates a problem with the workstation's TCP/IP stack or network interface card (NIC). Since 127.0.0.1 is a local address, the issue is not related to the network, router, or DNS. The first step in diagnosing this issue is to verify the NIC interface status to ensure the network adapter is functioning and properly configured.
Why not Verify the network is not congested? Network congestion affects external connectivity, not the loopback address.
Why not Verify the router is not dropping packets? Router issues are irrelevant since the loopback ping fails locally.
Why not Verify that DNS is resolving correctly? DNS resolution is not involved in pinging 127.0.0.1, which uses a direct IP address.
Reference:CompTIA Network+ N10-009 Objective 5.2: Explain the troubleshooting methodology. The CompTIA Network+ Study Guide (e.g., Chapter 13: Network Troubleshooting) emphasizes that a failed loopback ping indicates a local TCP/IP stack or NIC issue, and checking the NIC status is the first diagnostic step.
NEW QUESTION # 117
A network engineer configures an application server so that it automatically adjusts resource allocation as demand changes. This server will host a new application and demand is not predictable. Which of the following concepts does this scenario demonstrate?
Answer: C
Explanation:
Elasticity is the cloud capability to automatically add or remove resources in real time based on demand, which fits an application server that adjusts allocation as load fluctuates unpredictably.
NEW QUESTION # 118
A company ' s Chief Information Security Officer requires that servers and firewalls have accurate time stamps when creating log files so that security analysts can correlate events during incident investigations.
Which of the following should be implemented?
Answer: C
Explanation:
The correct solution is NTP (Network Time Protocol). Accurate timestamps across servers, firewalls, and network devices are critical for correlating logs during incident response. NTP synchronizes device clocks to a trusted time source, ensuring consistency across the network.
A). Syslog centralizes logs but does not synchronize time.
B). SMTP is email transfer, unrelated to time.
D). SNMP monitors devices but does not correct time discrepancies.
By implementing NTP, analysts can ensure that logs from different devices are time-aligned, which is essential for reconstructing attack timelines and detecting anomalies.
References (CompTIA Network+ N10-009):
Domain: Network Operations - Time synchronization, NTP, log correlation.
NEW QUESTION # 119
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