$q,$ is the central activity during the parsing phase in query processing.

Select one:

a$.$ Partitioning

b$.$ Query validation

c$.$ Query optimization

d$.$ Clustering

Check

is the delay imposed by the amount of time required for a data packet to make a round trip from point $A$ to point $B.$

Select one or more:

a$.$ Replica transparency

b$.$ Network latency

c$.$ Network partitioning

d$.$ Data distribution