What is the range of techniques covered by remote invocation? Briefly explain each technique.

How does adaptive routing ensure the best route of communication between two points in the network?

Describe how you would configure a firewall to protect the local network at your institution or company. What incoming and outgoing requests should it intercept?

Describe the advantages of the uniformity of Uniform Resource Identifiers $($URIs$)$ and Uniform Resource Locators $($URLs$).$

What were the disadvantages of the original Internet naming scheme, in which all host names and addresses were held in a single central master file.

Provide an example of a distributed computation that would be difficult to implement in MapReduce, giving full reasons for your answer.

Suppose you have a new smartphone and are excited about the range of apps available for it$.$ You read about a really interesting new game that is available for your phone. You do a quick Web search for it and see that a version is available from one of the free marketplaces. When you download and start to install this app, you are asked to approve the access permissions granted to it$.$ You see that it wants permission to "Send SMS messages" and to "Access your address$-$book." Should you be suspicious that a game wants these types of permissions? What threat might the app pose to your smartphone? Should you grant these permissions and proceed to install it$?$ What types of malware might it be$?$