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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security | 14% | - Security concepts and frameworks - Authentication and access control - Segmentation and traffic protection - Network hardening and secure configuration - Threats, vulnerabilities, and mitigation |
| Topic 2: Networking Fundamentals | 23% | - IP addressing and subnetting - Ports, protocols, and services - Network topologies and types - OSI and TCP/IP models - Network devices and cabling |
| Topic 3: Network Troubleshooting | 24% | - Performance and latency problems - Wireless and security troubleshooting - Tools and command-line utilities - Troubleshooting methodology - Connectivity issues |
| Topic 4: Network Implementations | 20% | - Wireless standards and deployment - Switching technologies and configurations - Network services configuration - Routing concepts and protocols - Physical network installation |
| Topic 5: 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 # 640
Which of the following objectives does an evil twin achieve?
Answer: B
Explanation:
An evil twin attack is when an attacker sets up a rogue access point (AP) with the same SSID as a legitimate one to trick users into connecting. Once users connect, attackers often present fake login pages or capture unencrypted session data to steal login credentials.
A). DNS poisoning manipulates DNS resolution but is not inherent to evil twin.
C). ARP spoofing is a Layer 2 attack involving MAC/IP mapping manipulation.
D). Denial of service can be a side effect but is not the primary objective of evil twin attacks.
The main purpose of an evil twin is credential theft, enabling further unauthorized access to networks or systems.
References (CompTIA Network+ N10-009):
Domain: Network Security - Wireless attacks, rogue APs, evil twins.
NEW QUESTION # 641
A customer needs six usable IP addresses. Which of the following best meets this requirement?
Answer: C
Explanation:
Reference: CompTIA Network+ Certification Exam Objectives - IP Addressing section.
NEW QUESTION # 642
A network administrator wants to configure a backup route in case the primary route fails. A dynamic routing protocol is not installed on the router. Which of the following routing features should the administrator choose to accomplish this task?
Answer: B
Explanation:
Introduction to Administrative Distance
Administrative distance (AD) is a value used by routers to rank routes from different routing protocols. AD represents the trustworthiness of the source of the route. Lower AD values are more preferred. If a router has multiple routes to a destination from different sources, it will choose the route with the lowest AD.
Static Routes and Backup Routes
When a dynamic routing protocol is not used, static routes can be employed. Static routes are manually configured routes. To ensure a backup route, multiple static routes to the same destination can be configured with different AD values.
Configuring Static Routes with Administrative Distance
The primary route is configured with a lower AD value, making it the preferred route. The backup route is configured with a higher AD value. In the event of the primary route failure, the router will then use the backup route.
Example Configuration:
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ip route 192.168.1.0 255.255.255.0 10.0.0.1 1
ip route 192.168.1.0 255.255.255.0 10.0.0.2 10
In the above example, 192.168.1.0/24 is the destination network.
10.0.0.1 is the next-hop IP address for the primary route with an AD of 1.
10.0.0.2 is the next-hop IP address for the backup route with an AD of 10.
Verification:
After configuration, use the show ip route command to verify that the primary route is in use and the backup route is listed as a candidate for use if the primary route fails.
Reference:
CompTIA Network+ guide explains the concept of administrative distance and its use in static routing configuration (see page Ref 9†Basic Configuration Commands).
NEW QUESTION # 643
A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools wold help identify which ports are open on the remote file server?
Answer: A
Explanation:
Nmap (Network Mapper) is a powerful network scanning tool used to discover hosts and services on a computer network. It can be used to identify which ports are open on a remote server, which can help diagnose access issues to services like a remote file server.
Port Scanning: Nmap can perform comprehensive port scans to determine which ports are open and what services are running on those ports.
Network Discovery: It provides detailed information about the host's operating system, service versions, and network configuration.
Security Audits: Besides troubleshooting, Nmap is also used for security auditing and identifying potential vulnerabilities.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Covers network scanning tools and their uses.
Nmap Documentation: Official documentation provides extensive details on how to use Nmap for port scanning and network diagnostics.
Network+ Certification All-in-One Exam Guide: Discusses various network utilities, including Nmap, and their applications in network troubleshooting.
NEW QUESTION # 644
A network engineer is testing a website to ensure it is compatible with IPv6. After attempting to ping the website by its IPv6 address, the engineer determines that the DNS has not been set up properly. Which of the following should the network engineer complete to resolve this issue?
Answer: B
Explanation:
AAAA records map domain names to IPv6 addresses, enabling proper resolution.
NEW QUESTION # 645
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