Given is the following declaration and assignment. declare r=r(1: [a b c] 4: [d [e [f]]] z: q(g h [10 11 [12 13]])) draw the value as a tree. in the following you have to give an expression composed of dot, width, and label functions that return the desired value. for example, for the value g the expression is r. z.1 and for r it is {label r}. if there is more than one possibility, give at least two expressions.
1. b 2. q 3. 12 4. nil 5. '|' 6. 3 7. h 8. 2

Which syntax error in programming is unlikely to be highlighted by a compiler or an interpreter? a variable name misspelling a missing space a comma in place of a period a missing closing quotation mark

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service

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.