Create a telephone directory file with 3 fields per line: first name, last name, and telephone number, separating the 3 fields by spaces. use a menu-driven interface that allows the used to: 1) enter a number (and you find the name), 2) enter a name (and you find the number), or 3) exit the input loop. both options 1) and 2) should have their own lookup functions. to return to the top of the file at the end of each loop: close and reopen the file; be sure to close the file before you exit.

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.

Ramona enjoys her job because she is able to kids in an after school program. the work value ramona feels strongest about is a. leadership b. risk c. independence d. work with people select the best answer from the choices provided a b c d

3.11.3 quiz: comparing and analyzing function typesquestion 4 of 102 pointswhat can you say about the y-values of the two functions f(x) = 3x2-3 andg(x)=2* - 3?