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Questions and Answers
After which step of the switch bootup sequence is the boot loader executed?
Which impact does adding a Layer 2 switch have on a network?
Which characteristic describes cut-through switching?
What is the significant difference between a hub and a Layer 2 LAN switch?
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Which statement is correct about Ethernet switch frame forwarding decisions?
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Which statement is true about the impact of a Layer 2 switch on a network?
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What do switch buffers primarily do in a network?
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Which switch characteristic helps localize traffic and reduce network congestion?
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What component in a switch decreases packet handling time within the device?
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What information is added to the switch table from incoming frames?
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Which switching method verifies the error-free status of an incoming frame before forwarding it?
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In the context of the given text, how many broadcast domains are displayed in the exhibit?
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Study Notes
Switch Bootup Sequence
- The boot loader is executed after the POST execution step.
Impact of Adding a Layer 2 Switch
- Adding a Layer 2 switch increases the size of the broadcast domain.
Characteristics of Cut-Through Switching
- Cut-through switching forwards error-free fragments, resulting in lower latency.
Hub vs Layer 2 LAN Switch
- A hub extends a collision domain, while a Layer 2 LAN switch divides collision domains.
Ethernet Switch Frame Forwarding Decisions
- Frame forwarding decisions are based on MAC address and port mappings in the CAM table.
Effect of Switch Buffers on Network Performance
- Switch buffers store frames received, preventing premature frame discarding during network congestion.
Switch Characteristics to Alleviate Network Congestion
- Keeping traffic local and alleviating network congestion is helped by the switch characteristic of large frame buffers.
Switch Component to Reduce Packet Handling Time
- The ASIC component reduces the amount of packet handling time inside the switch.
Information Added to Switch Table
- Source MAC address and incoming port number are added to the switch table from incoming frames.
Switching Method to Ensure Error-Free Frames
- The store-and-forward switching method ensures that incoming frames are error-free before forwarding.
Broadcast Domains
- The exhibit displays 4 broadcast domains.
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Description
Test your knowledge on switch bootup sequence steps, the impact of adding a Layer 2 switch, and characteristics of cut-through switching. Identify which stage the boot loader is executed, the effects of a Layer 2 switch on a network, and the description of cut-through switching.
