Which of the following is not an item that ifconfig reports?
a. All the network devices.
b. All the interfaces.
c. Status of the loopback.
d. All the above are reported.
d. All the above are reported.
Explanation: ifconfig is used to report all the network devices recognized and running on the system. This command lists all the interfaces and the configurations for each interface. The configurations include the IP address, the net mask (subnet mask), the broadcast address, and the gateway. The ifconfig command also reports back on the status of the loopback.
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The operator increases the value of the variable by 1 after the original value is used in the expression in which the variable appears.
a) preincrement b) postincrement c) predecrement d) None of the above.
How do you determine the number of command-line arguments a program has?
a) The numArgs constant contains the number of command-line arguments. b) The first member of the args array is the count of the number of command-line arguments. c) The number of command-line arguments is the length of the args array. d) The number of command-line arguments is one less than the length of the args array. e) The number of command-line arguments is fixed and is 5.