Computer Science
4630
Spring 2000
Quiz 5
True/False. Write a clearly legible T to the left of each of the following that is true, and a clearly legible F to the left of each that is false.
Multiple choice. Circle the letter of the best answer to each question.
(a) Routing packets through the network.
(b) Reliable delivery of packets between directly connected machines.
(c) Reliable delivery of large (multi-packet) messages between machines that are not necessarily directly connected.
(d) Dealing with differences among operating system architectures.
(a) Routing packets through the network.
(b) Reliable delivery of packets between directly connected machines.
(c) Reliable delivery of large (multi-packet) messages between machines that are not necessarily directly connected.
(d) Dealing with differences among operating system architectures.
(a) A network operating system hides the existence of many machines from the user, but a distributed operating system makes the existence of many machines visible.
(b) A distributed operating system hides the existence of many machines from the user, but a network operating system makes the existence of many machines visible.
(c) A network operating system uses a local-area network, while a distributed operating system uses a wide-area network.
(d) A distributed operating system uses a local-area network, while a network operating system uses a wide-area network.
(a) The name of a file indicates exactly where the file can be found.
(b) The name of a file does not indicate where the file can be found.
(c) The name of a file does not need to be changed when the location of the file changes.
(d) The name of a file is not adequate for finding the file.
(a) The files that it provides are not stored physically on that server.
(b) The files that it provides are stored physically on that server.
(c) The server keeps track of information about open files on client machines
(d) The server does not keep track of information about open files on client machines.
(a) Temporary inconsistencies among views of a file by different machines can result.
(b) The file system is likely to be corrupted when a computer crashes.
(c) A much higher amount of network traffic results.
(d) Caching makes file migration impossible.
(a) Including the name of the service in each message.
(b) Including the port number of the service in each message.
(c) Including the process id of the service daemon process in each message.
(d) Bypassing the transport layer and making direct use of the network layer.