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最有效的N10-009考題資訊 &實用的CompTIA N10-009學習指南：CompTIA Network+ Certification Exam

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>> N10-009考題資訊 <<

N10-009學習指南 - 最新N10-009考古題

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最新的 CompTIA Network+ N10-009 免費考試真題 (Q31-Q36):

問題 #31
Which of the following devices can operate in multiple layers of the OSI model?

• A. Transceiver
• B. Modem
• C. Switch
• D. Hub

答案：C

解題說明：
Understanding Switches:
Layer 2 (Data Link Layer): Traditional switches operate primarily at Layer 2, where they use MAC addresses to forward frames within a local network.
Layer 3 (Network Layer): Layer 3 switches, also known as multilayer switches, can perform routing functions using IP addresses to forward packets between different networks.
Capabilities of Multilayer Switches:
VLANs and Inter-VLAN Routing: Multilayer switches can handle VLAN (Virtual Local Area Network) configurations and perform inter-VLAN routing, enabling communication between different VLANs.
Routing Protocols: They can run routing protocols like OSPF (Open Shortest Path First) and EIGRP (Enhanced Interior Gateway Routing Protocol) to manage traffic between networks.
Comparison with Other Devices:
Hub: Operates only at Layer 1 (Physical Layer) and simply repeats incoming signals to all ports.
Transceiver: Also operates at Layer 1, converting electrical signals to optical signals and vice versa.
Modem: Primarily operates at Layer 1 and Layer 2, modulating and demodulating signals for transmission over different types of media.
Practical Application:
Multilayer switches are commonly used in enterprise networks to optimize performance and manage complex routing and switching requirements within a single device.
Reference:
CompTIA Network+ study materials on network devices and the OSI model.

問題 #32
Which of the following can also provide a security feature when implemented?

• A. FHRP
• B. NAT
• C. BGP
• D. EIGRP

答案：B

問題 #33
Which of the following attacks would most likely cause duplicate IP addresses in a network?

• A. Social engineering
• B. Denial-of-service
• C. Rogue DHCP server
• D. DNS poisoning

答案：C

解題說明：

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