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NEW QUESTION # 312
A detective is investigating an identity theft case in which the target had an RFID-protected payment card issued and compromised in the same day. The only place the target claims to have used the card was at a local convenience store. The detective notices a video camera at the store is placed in such a way that customers' credentials can be seen when they pay. Which of the following best explains this social engineering technique?
Answer: A
Explanation:
Shoulder surfing is a social engineering attack where attackers observe someone's private information by looking over their shoulder or using tools like cameras to capture input.
From Andrew Ramdayal's guide:
"Shoulder surfing is the act of watching someone enter confidential information, such as PINs or passwords, often using direct line-of-sight or surveillance equipment."
NEW QUESTION # 313
A company's office has publicly accessible meeting rooms equipped with network ports. A recent audit revealed that visitors were able to access the corporate network by plugging personal laptops into open network ports. Which of the following should the company implement to prevent this in the future?
Answer: D
NEW QUESTION # 314
After installing a new wireless access point, an engineer tests the device and sees that it is not performing at the rated speeds. Which of the following should the engineer do to troubleshoot the issue? (Select two.)
Answer: B,E
Explanation:
Troubleshooting poor performance of a newly installed access point involves multiple steps. Checking for network bottlenecks and ensuring the device firmware is up to date are crucial first steps. The document confirms:"Network bottlenecks can severely limit the performance of even the fastest wireless access points, so it's essential to verify that no other devices are causing a slowdown. In addition, keeping firmware updated ensures optimal performance and security."
NEW QUESTION # 315
Computer A cannot reach Computer B in the following network:
Computer A: 172.16.2.10/16
Computer B: 172.16.4.10/16
Switch A:
Gi0/1 access VLAN 1, status up/up
Gi0/9 access VLAN 8, status up/up
Gi0/10 access VLAN 5, status administratively down
Switch B:
Gi0/1 access VLAN 1, status up/up
Gi0/9 access VLAN 8, status up/up
Gi0/10 access VLAN 5, status administratively down
Which of the following will resolve the issue?
Answer: D
Explanation:
The correct solution is to establish a trunk connection between Switch A and Switch B. Computer A and Computer B are both connected to access VLAN 1 on their local switches. However, the inter-switch link appears to be configured as an access port in VLAN 8. Because the link between the switches is not carrying VLAN 1 traffic, devices in VLAN 1 on separate switches cannot communicate across that connection.
The CompTIA Network+ N10-009 objectives include VLANs, switching, trunking, access ports, and troubleshooting Layer 2 connectivity. Access ports carry traffic for a single VLAN. Trunk ports carry traffic for multiple VLANs between switches, usually using tagging such as IEEE 802.1Q. To allow VLAN 1 devices on both switches to communicate, the inter-switch connection must carry VLAN 1 traffic. A trunk would allow VLAN 1 and other required VLANs to pass between the switches.
Link aggregation is not the issue, and Gi0/10 is administratively down. Spanning Tree Protocol prevents loops but does not fix missing VLAN transport. Changing both hosts to a /24 would not solve the VLAN separation problem and could make IP reachability worse. Therefore, trunking is required.
NEW QUESTION # 316
A network administrator wants users to be able to authenticate to the corporate network using a port-based authentication framework when accessing both wired and wireless devices. Which of the following is the best security feature to accomplish this task?
Answer: D
Explanation:
802.1X is a port-based network access control (PNAC) protocol that provides an authentication mechanism to devices wishing to connect to a LAN or WLAN. It is widely used for secure network access, ensuring that only authenticated devices can access the network, whether they are connecting via wired or wireless means. 802.1X works in conjunction with an authentication server, such as RADIUS, to validate the credentials of devices trying to connect.Reference: CompTIA Network+ study materials.
NEW QUESTION # 317
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