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NEW QUESTION # 263
A network engineer is designing an internal network that needs to support both IPv4 and IPv6 routing. Which of the following routing protocols is capable of supporting both IPv4 and IPv6?
Answer: C
Explanation:
EIGRP (Enhanced Interior Gateway Routing Protocol) is capable of supporting both IPv4 and IPv6 routing. It is an advanced distance-vector routing protocol that provides fast convergence, scalability, and efficient network utilization.
NEW QUESTION # 264
As part of an attack, a threat actor purposefully overflows the content-addressable memory (CAM) table on a switch. Which of the following types of attacks is this scenario an example of?
Answer: A
Explanation:
* Definition of MAC Flooding:
* MAC flooding is an attack where a malicious actor sends numerous fake MAC addresses to a switch, overwhelming its CAM table. The CAM table stores MAC addresses and their associated ports for efficient traffic forwarding.
* Impact of MAC Flooding:
* CAM Table Overflow: When the CAM table is full, the switch cannot learn new MAC addresses and is forced to broadcast traffic to all ports, leading to a degraded network performance and potential data interception.
* Switch Behavior: The switch operates in a fail-open mode, treating the network as a hub, which can be exploited for eavesdropping on traffic.
* Comparison with Other Attacks:
* ARP Spoofing: Involves sending false ARP (Address Resolution Protocol) messages to associate the attacker's MAC address with the IP address of another device.
* Evil Twin: Involves creating a rogue wireless access point that mimics a legitimate one to intercept data.
* DNS Poisoning: Involves corrupting the DNS cache with false information to redirect traffic to malicious sites.
* Preventive Measures:
* Port Security: Configure port security on switches to limit the number of MAC addresses per port, preventing CAM table overflow.
* Network Segmentation: Use VLANs to segment network traffic and limit the impact of such attacks.
NEW QUESTION # 265
Which of the following connection methods allows a network engineer to automate the configuration deployment for network devices across the environment?
Answer: C
Explanation:
Comprehensive and Detailed Explanation (aligned to N10-009):
APIs (Application Programming Interfaces) allow automation tools and scripts to push configurations to network devices programmatically. Modern network automation platforms rely on APIs to ensure consistency and scalability.
A). RDP is remote desktop for Windows systems, not automation.
B). Telnet is insecure and manual.
C). GUI requires manual configuration, not automation.
References (CompTIA Network+ N10-009):
Domain: Network Operations - Automation, orchestration, APIs in network management.
NEW QUESTION # 266
A network administrator needs to implement a solution to filter access to the internet. Which of the following should the administrator most likely implement?
Answer: B
Explanation:
A proxy server can filter internet access by controlling which websites or services users can reach. It enforces content policies and can provide caching and monitoring.
A . A router directs traffic but doesn't filter internet sites by itself.
B . A cloud gateway could also filter, but the most direct answer is proxy.
D . An IDS detects suspicious activity but doesn't filter browsing access.
Reference (CompTIA Network+ N10-009):
NEW QUESTION # 267
A network administrator needs to add 255 useable IP addresses to the network. A /24 is currently in use.
Which of the following prefixes would fulfill this need?
Answer: D
Explanation:
A /23 subnet provides 512 total addresses, of which 510 are usable (subtracting 2 for network and broadcast addresses). This would satisfy the need for 255 additional addresses.
NEW QUESTION # 268
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