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>> N10-009 Latest Exam Questions <<
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NEW QUESTION # 87
A network administrator noticesuncommon communication between VMsonephemeral portson the same subnet. The administrator is concerned about thattraffic moving laterallywithin the network. Which of the following describes the type of traffic flow the administrator is analyzing?
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
Whentraffic moves laterally between VMswithin the same network orsubnet, it is known aseast-west traffic
. This contrasts withnorth-south traffic, which refers to communication between internal and external networks.
Breakdown of Options:
* A. East-west-Correct answer.This refers totraffic between internal servers or VMs, which is a common security concern.
* B. Point-to-point- Point-to-point describes adirect connection between two devices, but doesnot specifically define lateral movement.
* C. Horizontal-scaling- This refers toadding more instances or nodesin cloud computing, unrelated to traffic flow.
* D. Hub-and-spoke- This network topology describes acentralized design, not lateral traffic.
NEW QUESTION # 88
What is the most likely cause for a new Access Point (AP) failing to power on when previous APs worked fine?
Answer: A
Explanation:
When deploying multiple Power over Ethernet (PoE) devices, the switch's power budget can be exhausted. If the available wattage on the switch cannot supply the additional AP, it will fail to power on. This is the most likely cause when previous APs worked fine but a new one does not.
* A. Signal strength affects wireless connectivity, not whether the AP powers up.
* B. Duplex mismatch causes poor throughput, not power failure.
* D. CRC errors point to cabling issues but do not prevent booting if no power is available.
References (CompTIA Network+ N10-009):
* Domain: Network Troubleshooting - PoE power budget considerations, device startup issues.
NEW QUESTION # 89
Which of the following must be implemented to securely connect a company's headquarters with a branch location?
Answer: D
Explanation:
Site-to-Site VPN: A site-to-site VPN is used to securely connect two networks, such as a company's headquarters and a branch location, over the internet. This type of VPN creates a secure tunnel for data transmission, ensuring confidentiality and integrity.
Split-tunnel VPN (A): Allows some traffic to bypass the VPN tunnel, which may not secure all communications.
Clientless VPN (B): Used for individual users to access the network without VPN client software.
Full-tunnel VPN (C): Typically used for individual user traffic rather than connecting two networks.
Reference:
NEW QUESTION # 90
Which of the following explains what happens if a packet is lost in transit when using UDP?
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
UDP (User Datagram Protocol) is a connectionless protocol that does not provide built-in mechanisms for error detection, retransmission, or acknowledgments. If a UDP packet is lost in transit, the protocol itself does not handle retransmission. However, some applications using UDP (e.g., TFTP or custom streaming protocols) may implement their own mechanisms to detect packet loss and request retransmission if needed.
Why not A? The data link layer (Layer 2) handles frame-level errors within a single network segment, not end- to-end packet loss across networks.
Why not B? The IP TTL (Time to Live) field prevents routing loops by decrementing with each hop, but IP does not handle retransmission.
Why not C? UDP does not use acknowledgments, so the sender does not expect or receive them.
Reference:CompTIA Network+ N10-009 Objective 1.4: Explain the characteristics of network topologies and protocols. The CompTIA Network+ Study Guide (e.g., Chapter 4: Network Protocols) explains that UDP is a
"fire-and-forget" protocol, and any retransmission logic must be handled by the application layer.
NEW QUESTION # 91
A network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the PCs are not connecting to the network, while others appear to be working as intended.
INSTRUCTIONS
Troubleshoot all the network components.
Review the cable test results first, then diagnose by clicking on the appropriate PC, server, and Layer 2 switch.
Identify any components with a problem and recommend a solution to correct each problem.
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:
NEW QUESTION # 92
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