Pick all that apply. write a script thatcreates a user-defined database role name paymententry in the ap database. give update permission to the new role for the invoices table. give update and insert permission for the invoicelineitems. give select permission for all user tables. a grant insert, update on invoicelineitems to paymententry; b grant update on invoices to paymententry; c grant read on invoices to paymententry; d grant crud on invoices to paymententry; e alter role db_datareader add member paymententry; f create role paymententry;

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.