MCQOPTIONS
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				| 1. | 
                                    In crabbing protocol locking | 
                            
| A. | goes down the tree and back up | 
| B. | goes up the tree and back down | 
| C. | goes down the tree and releases | 
| D. | goes up the tree and releases | 
| Answer» B. goes up the tree and back down | |