DRAG DROP
Drag the components from the left and drop them under the appropriate categories on the right.
Answer: 
Explanation:
DSP delay, Packetization delay, Serialization delay & Dejitter Buffer delay are Fixed
delay types. Queuing and Buffering delay & Network delay are Variable Delay types.
http://www.cisco.com/en/US/tech/tk652/tk698/technologies_white_paper09186a00800a8993.shtml
Fixed Delay
DSP Delay
Serialization Delay
Dejitter Buffer Delay
Processing Delay
Variable Delay
Network Delay
Queuing Delay