Question 5 The transport layer can be considered as an extension to the host-to-host communication services offered by the network layer. This extension results in process-to-process communication and is facillitated via multiplexing and demultiplexing. In this context, briefly describe these two services and how they allow processes running on machines connected by a network to communicate.

Write the command that can be used to answer the following questions. (hint: try each out on the system to check your results.) a. find all files on the system that have the word test" as part of their filename. b. search the path variable for the pathname to the awk command. c. find all files in the /usr directory and subdirectories that are larger than 50 kilobytes in size. d. find all files in the /usr directory and subdirectories that are less than 70 kilobytes in size. e. find all files in the / directory and subdirectories that are symbolic links. f. find all files in the /var directory and subdirectories that were accessed less than 60 minutes ago. g. find all files in the /var directory and subdirectories that were accessed less than six days ago. h. find all files in the /home directory and subdirectories that are empty. i. find all files in the /etc directory and subdirectories that are owned by the group bin."

Select the correct answer. what does it indicate when a website displays https instead of http? a. the website is secure. b. there is no secure sockets layer. c. the secure sockets layer is hidden. d. the website is not secure.

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