Question 4 (1 point)
what does the mystring variable contain after the following code sequence:
string mystring = "hello number "; // note the space at the end of the string
mystring = mystring + mystring. length();
a "hello number 13"
b "13"
c null
d "hello number "

What are listed in the vertical columns across the top of the event editor? a. file names b. conditions c. check marks d. action types

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.

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?