Is this switch good or not ?

Hi a friend ask some feature of the switch -- Cisco ws-c3560-24ps-s 24 Port POE Switch before he buy it for practice.
Here are some feature we want to confirm:

1 does it have layer 3 function ?
2 what does  ps and s stand for in Cisco ws-c3560-24ps-s 24 Port POE Switch ?
3 the POE can support cisco ap ? what is max output voltage for each port ?

Thank you !
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1) It is L3 switch, but specific functions that you actually get depend on licence type
2) Cisco Catalyst 3560-24PS Cisco names convention can vary PS - should be PoE - SFP (-S ???)
3) The Cisco Catalyst 3560 24-port PoE configurations can support 24 simultaneous full-powered PoE ports at 15.4W for maximum powered-device support.
Switch has power supply 449W and for PoE can be used 370W

Source and more details

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eemoonAuthor Commented:
Thank you so much for your fast reply. excellent answer!
1) It is L3 switch, you can upload latest IOS and have all the functions without buying a license. Don't forget to do "ip routing" in the global configuration mode as by default it acts as layer 2 switch.
2) Cisco Catalyst 3560-24PS means 24 port, PoE.
3) 15.4 Watt.
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