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| Section | Weight | Objectives |
|---|---|---|
| Network Security | 14% | - Threats, vulnerabilities, and mitigation - Security concepts and frameworks - Segmentation and traffic protection - Network hardening and secure configuration - Authentication and access control |
| Networking Fundamentals | 23% | - Ports, protocols, and services - Network topologies and types - IP addressing and subnetting - OSI and TCP/IP models - Network devices and cabling |
| Network Troubleshooting | 24% | - Performance and latency problems - Connectivity issues - Tools and command-line utilities - Wireless and security troubleshooting - Troubleshooting methodology |
| Network Implementations | 20% | - Physical network installation - Network services configuration - Switching technologies and configurations - Routing concepts and protocols - Wireless standards and deployment |
| Network Operations | 19% | - Performance management and optimization - Network monitoring and documentation - High availability and redundancy - Business continuity and disaster recovery - Infrastructure automation basics |
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NEW QUESTION # 563
After providing a username and password, a user must input a passcode from a phone application. Which of the following authentication technologies is used in this example?
Answer: D
Explanation:
This is an example of Multi-Factor Authentication (MFA) because it requires:
Something you know (username/password)
Something you have (a phone-generated passcode)
Breakdown of Options:
A: SSO (Single Sign-On) - Allows one login for multiple services, but does not add a second authentication factor.
B: LDAP (Lightweight Directory Access Protocol) - Used for directory authentication, not MFA.
C: MFA (Multi-Factor Authentication) - # Correct answer. Uses multiple authentication factors for better security.
D: SAML (Security Assertion Markup Language) - Used for federated identity management, not multi-factor authentication.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.5: Implement authentication and authorization methods.
NEW QUESTION # 564
What technology allows multiple private IP addresses to share a single public IP when accessing the internet?
Answer: A
Explanation:
NAT (Network Address Translation) allows multiple private IP addresses to share a single public IP when accessing the internet. This conserves public IPs and provides basic security by hiding internal addresses.
* B. BGP is a routing protocol.
* C. OSPF is a link-state IGP.
* D. FHRP provides redundant gateways, not IP sharing.
References (CompTIA Network+ N10-009):
* Domain: Networking Concepts - NAT, PAT, private-to-public IP mapping.
NEW QUESTION # 565
A network administrator is responding to a request to configure a new IP phone. Which of the following should the network administrator do to allow data and voice traffic to be properly prioritized?
Answer: D
Explanation:
To ensure voice and data traffic are properly prioritized for an IP phone, the administrator should modify (configure) QoS. In Network+ (N10-009), QoS is the primary mechanism used to prioritize latency-sensitive traffic such as VoIP. By classifying and marking voice frames/packets (often using DSCP/CoS values) and applying priority queuing, the network ensures voice traffic experiences minimal delay and jitter even when links are congested. This is essential for call quality because voice is highly sensitive to variation in delivery time and packet loss.
802.1Q tagging is important for VLAN separation (and many IP phone deployments use a voice VLAN), but VLAN tagging alone does not guarantee prioritization; it separates traffic, while QoS provides preferential treatment. Full duplex can reduce collisions on Ethernet links, but it does not implement traffic prioritization policies. Changing the native VLAN is a trunking/security configuration detail and not the correct action to prioritize voice versus data. In practice, networks often use both a voice VLAN (802.1Q) and QoS, but for the explicit requirement of prioritization, QoS is the correct answer.
NEW QUESTION # 566
A university is implementing a new campus wireless network. A network administrator needs to configure the network to support a large number of devices and high-bandwidth demands from students.
Which of the following wireless technologies should the administrator consider for this scenario?
Answer: B
Explanation:
Wi-Fi 6E is the best choice for high-density environments, as it provides higher speeds, more capacity, and lower latency.
NEW QUESTION # 567
A systems administrator is looking for operating system information, running services, and network ports that are available on a server. Which of the following software tools should the administrator use to accomplish this task?
Answer: A
Explanation:
Nmap performs active scanning of a target system to identify open ports, running services, and operating system details, providing a comprehensive view of the server.
NEW QUESTION # 568
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