350-401 · Question #768
Drag and Drop Question Drag and drop the characteristics from the left onto the switching mechanisms they describe on the right. Answer:
The correct answer is It is referred to as "software switching."; The general-purpose CPU is in charge of packet switching.; It optimizes the switching process to handle larger packet volumes.. The correct arrangement maps characteristics to their respective switching mechanisms: Process switching (software switching) relies on the general-purpose CPU to handle every packet individually, making it the slowest method. CEF (Cisco Express Forwarding) or hardware-based swit
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Correct arrangement
- It is referred to as "software switching."
- The general-purpose CPU is in charge of packet switching.
- It optimizes the switching process to handle larger packet volumes.
Explanation
The correct arrangement maps characteristics to their respective switching mechanisms: Process switching (software switching) relies on the general-purpose CPU to handle every packet individually, making it the slowest method. CEF (Cisco Express Forwarding) or hardware-based switching optimizes the process by using pre-built forwarding tables (FIB and adjacency tables) to handle larger packet volumes at much higher speeds without CPU intervention for each packet. Process switching is aptly called 'software switching' because it depends entirely on the CPU and software logic rather than dedicated hardware ASICs.
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