CCNA Interviewfragen und Antworten
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Frage 26. What is the significance of the 802.1Q standard in networking?
802.1Q is a standard for VLAN tagging in Ethernet networks, allowing the identification of VLAN membership within Ethernet frames.
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Frage 27. Explain the purpose of the TCP three-way handshake.
The TCP three-way handshake is used to establish a reliable connection between two devices. It involves SYN, SYN-ACK, and ACK messages.
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Frage 28. What is the difference between a collision domain and a broadcast domain?
A collision domain is a network segment where collisions can occur, typically in Ethernet networks. A broadcast domain is a logical division of a network, where broadcasts are confined.
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Frage 29. What is STP (Spanning Tree Protocol) and why is it important?
STP prevents loops in Ethernet networks by blocking redundant paths. It ensures a loop-free topology and rapid convergence in case of link failures.
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Frage 30. Explain the purpose of the DHCP (Dynamic Host Configuration Protocol).
DHCP dynamically assigns IP addresses to devices on a network, simplifying network configuration and management.
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Am hilfreichsten laut Nutzern:
- What is the purpose of ARP (Address Resolution Protocol)?
- Explain the purpose of the DHCP (Dynamic Host Configuration Protocol).
- What is the role of a router in a network?
- What is the purpose of the subnet mask in networking?
- What is the difference between static routing and dynamic routing?