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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking Concepts | 23% | - OSI model concepts
|
| Topic 2: Network Implementation | 20% | - Wireless technologies
|
| Topic 3: Network Troubleshooting | 24% | - Performance troubleshooting
|
| Topic 4: Network Security | 14% | - Authentication and authorization
|
| Topic 5: Network Operations | 19% | - Monitoring and management
|
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NEW QUESTION # 333
A technician is plugging an Ethernet cable into a switch to bring a new device online, but the device is not showing an active network connection. Previously, another technician turned off unused switchports as part of device hardening. Which of the following describes the port status?
Answer: D
Explanation:
The correct answer is D. Administratively down . The question states that another technician had already turned off unused switchports as part of hardening. When a port is intentionally disabled by configuration, its status is described as administratively down . In other words, the switchport is not broken and has not failed on its own; it has simply been shut down by an administrator.
This is a common security practice. Unused ports are often disabled so unauthorized devices cannot be plugged in and gain access to the network. If a legitimate device later needs that port, the administrator must re-enable it before the link can come up.
The other answer choices do not line up as well with the scenario. Error disabled usually points to a protective shutdown caused by a violation or fault, such as port security or BPDU guard. Idle is not the standard description for a manually shut switchport in this context. Suspended can appear with certain switch features, but it is not the normal label for a port deliberately turned off as part of hardening.
The phrase "turned off unused switchports" is the key detail. That clearly indicates a manual administrative shutdown, so administratively down is the best answer.
NEW QUESTION # 334
Which of the following would most likely be utilized to implement encryption in transit when using HTTPS?
Answer: C
Explanation:
TLS (Transport Layer Security)is the protocol that providesencryption in transit for HTTPS. It ensures data is encrypted between the client (browser) and the web server, protecting it from interception or tampering.
* A. SSHis used for secure terminal access, not HTTPS.
* C. SCADArefers to control systems, not encryption protocols.
* D. RADIUSis an authentication protocol, not for encrypting HTTPS traffic.
#Reference:
CompTIA Network+ N10-009 Official Objectives: 4.2 - Identify common security threats and vulnerabilities.
CompTIA Network+ N10-009 Official Objectives: 4.6 - Explain authentication and access controls.
NEW QUESTION # 335
A client with a 2.4GHz wireless network has stated that the entire office is experiencing intermittent issues with laptops after the WAP was moved. Which of the following is the most likely reason for these issues?
Answer: C
Explanation:
Microwaves are known to interfere with the 2.4GHz frequency, which is the same frequency used by many wireless networks. This can cause signal degradation and intermittent connectivity issues, especially if the WAP is placed near such devices.
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NEW QUESTION # 336
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: D
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 References:
* 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 # 337
What is the correct second factor in multi-factor authentication (MFA)?
Answer: C
Explanation:
MFA (Multi-Factor Authentication) requires factors from different categories:
* Something you know # Password, PIN
* Something you have # Smart card, hardware (hard) token
* Something you are # Biometric
The correct second factor is a hard token.
* A. PIN = something you know (same factor as password).
* B. Favorite color = knowledge-based, same factor as password.
* D. Mother's maiden name = weak knowledge-based, same factor as password.
References (CompTIA Network+ N10-009):
* Domain: Network Security - Authentication methods, MFA categories.
NEW QUESTION # 338
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