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| Section | Weight | Objectives |
|---|---|---|
| Network Security | 14% | - Security technologies
|
| Network Troubleshooting | 24% | - Troubleshooting methodology
|
| Networking Concepts | 23% | - Network addressing and protocols
|
| Network Operations | 19% | - Documentation and diagrams
|
| Network Implementation | 20% | - Switching technologies
|
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NEW QUESTION # 321
Which action should you take to correct a misconfigured alias in DNS?
Answer: A
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 # 322
You have been tasked with implementing an ACL on the router that will:
1. Permit the most commonly used secure remote access technologies from the management network to all other local network segments
2. Ensure the user subnet cannot use the most commonly used remote access technologies in the Linux and Windows Server segments.
3. Prohibit any traffic that has not been specifically allowed.
INSTRUCTIONS
Use the drop-downs to complete the ACL
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
See the answer and solution below.
Explanation:
A screenshot of a computer screen AI-generated content may be incorrect.
NEW QUESTION # 323
An administrator is configuring a switch that will be placed in an area of the office that is accessible to customers. Which of the following is the best way for the administrator to mitigate unknown devices from connecting to the network?
Answer: B
Explanation:
802.1x is a network access control protocol that provides an authentication mechanism to devices trying to connect to a LAN or WLAN. This ensures that only authorized devices can access the network, making it ideal for mitigating the risk of unknown devices connecting to the network, especially in accessible areas.
802.1x Authentication: Requires devices to authenticate using credentials (e.g., username and password, certificates) before gaining network access.
Access Control: Prevents unauthorized devices from connecting to the network, enhancing security in public or semi-public areas.
Implementation: Typically used in conjunction with a RADIUS server to manage authentication requests.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Covers 802.1x and its role in network security.
Cisco Networking Academy: Provides training on implementing 802.1x for secure network access control.
Network+ Certification All-in-One Exam Guide: Explains the benefits and configuration of 802.1x authentication in securing network access.
NEW QUESTION # 324
A network administrator is developing a method of device monitoring with the following requirements:
- Allows for explicit, by user, privilege management
- Includes centralized logging of changes
- Offers widely accessible remote management
- Provides support of service accounts
Which of the following will most closely meet these requirements?
Answer: B
Explanation:
API (Application Programming Interface) enables secure and granular access control, remote management, and logging, making it ideal for network monitoring.
NEW QUESTION # 325
Which of the following types of network architecture typically uses leased lines to provide dedicated, private connections between multiple satellite offices and a head office?
Answer: B
Explanation:
The correct answer is hub-and-spoke. In this design, the head office serves as the hub, and all satellite or branch offices (the spokes) connect directly to the hub using leased lines or VPNs. Communication between spokes typically passes through the hub, which centralizes connectivity and simplifies management.
A). Mesh involves every site connecting to every other site, which is more redundant but costly.
B). Point-to-point describes a single dedicated link between two sites, not a multi-site topology.
D). Star is often used in LAN switching, with all devices connecting to a central switch, but it's not the WAN architecture typically used here.
Hub-and-spoke is a cost-effective WAN design, as fewer circuits are needed compared to full mesh. However, its main disadvantage is reliance on the hub site: if the hub goes down, inter-spoke communication fails.
References (CompTIA Network+ N10-009):
Domain: Networking Concepts - WAN topologies (hub-and-spoke, mesh, point-to-point).
NEW QUESTION # 326
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