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NEW QUESTION # 260
A new SQL server is identified as allowing FTP access to all users. Which of the following would a systems administrator most likely do to ensure only the required services are allowed?
Answer: D
Explanation:
If a SQL server is allowing FTP access to all users, the most direct and best practice action is to disable unused services/ports on the server itself. Network+ (N10-009) security objectives emphasize host hardening and the principle of least functionality: only required services should be running and listening. If FTP is not required for the SQL server's role, stopping and disabling the FTP service (and closing the associated ports on the host firewall) reduces the attack surface regardless of network firewall rules. This approach ensures the server cannot be reached via FTP even if it is placed on a different network segment or if upstream controls are misconfigured later.
Changing default passwords is important, but it does not address the unnecessary exposure of an unneeded service. Deleting NGFW rules that allow all FTP traffic could help at the perimeter, but it may unintentionally break legitimate FTP usage elsewhere and still doesn't guarantee the server isn't reachable from internal networks. Switch ACLs along SQL traffic paths are indirect and easy to misapply; they also add operational complexity and may not cover all access paths. The best "only required services are allowed" control is to disable the unused service/ports on the server.
NEW QUESTION # 261
Users at a satellite office are experiencing issues when using videoconferencing. Which of the following should a technician focus on first to rectify these issues?
Answer: C
Explanation:
Quality of Service (QoS) ensures video conferencing receives priority bandwidth to prevent latency, jitter, and packet loss.
QoS settings prioritize real-time traffic, ensuring smooth performance.
NEW QUESTION # 262
In an environment with one router, which of the following will allow a network engineer to communicate between VLANs without purchasing additional hardware?
Answer: A
Explanation:
A subinterface is a logical interface created on a single physical router interface that allows routing between VLANs (known as Router-on-a-Stick (ROAS)). This method is commonly used when only one physical router is available, allowing inter-VLAN communication without additional hardware.
*Why not the other options?
*VXLAN (B) - This is used for extending Layer 2 networks over a Layer 3 infrastructure, primarily in data centers. It does not directly enable inter-VLAN communication.
*Layer 3 switch (C) - A Layer 3 switch can route between VLANs, but the scenario states that purchasing additional hardware is not an option.
*VIR (D) - This is not a standard networking term in the context of VLAN communication.
Reference:
CompTIA Network+ (N10-009) Official Guide - Chapter 8: VLANs and Inter-VLAN Routing
NEW QUESTION # 263
A network requirement calls for the network traffic of a specific department within a campus network to be monitored. The network has users from each department located in multiple buildings. Which of the following should be configured to meet this requirement? (Choose two.)
Answer: D,E
Explanation:
802.1Q is a standard for VLAN tagging, which allows the network administrator to segment the network traffic of different departments into separate VLANs. This makes it easier to monitor and manage the traffic of each department.
Port mirroring is a feature that allows the network administrator to copy the traffic from one or more ports to another port for analysis. By configuring port mirroring on the ports connected to the specific department, the network administrator can monitor the traffic of that department in real-time.
NEW QUESTION # 264
A network administrator is in the process of installing 35 PoE security cameras. After the administrator installed and tested the new cables, the administrator installed the cameras. However, a small number of the cameras do not work. Which of the following is the most reason?
Answer: D
Explanation:
When installing multiple Power over Ethernet (PoE) devices like security cameras, it is crucial to ensure that the total power requirement does not exceed the power budget of the PoE switch. Each PoE switch has a maximum power capacity, and exceeding this capacity can cause some devices to fail to receive power.
* PoE Standards: PoE switches conform to standards such as IEEE 802.3af (PoE) and 802.3at (PoE+), each with specific power limits per port and total power capacity.
* Power Calculation: Adding up the power requirements of all connected PoE devices can help determine if the total power budget of the switch is exceeded.
* Symptoms: When the power budget is exceeded, some devices, typically those farthest from the switch or connected last, may not power up or function correctly.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide: Covers PoE standards and troubleshooting power issues.
* Cisco Networking Academy: Discusses PoE technologies, power budgeting, and managing PoE devices.
* Network+ Certification All-in-One Exam Guide: Provides information on PoE setup, including power budget considerations.
NEW QUESTION # 265
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