1. A portable information terminal comprising: task setting means for setting one or more tasks each representing process contents of transmission or reception of data; connection means for searching for an access point and performing a connection to the searched access point; task execution parameter obtaining means for, before the one or more tasks are executed via the access point connected by the connection means, obtaining an execution control parameter, for at least one of the one or more tasks, which indicates at least one of an execution instruction, whether or not to execute the task, and an execution priority, in accordance with an access point identifier which indicates the access point; and task execution means for performing transmission or reception of data via the access point by executing at least one of the one or more tasks on the basis of the execution control parameter.