What commands would you use to release and renew a DHCP address in a macOS and Linux system?
What will be an ideal response?
In macOS, use the ifconfig command to release and renew a DHCP address. Here's the syntax to release: sudo ifconfig eth0 down and here's the syntax to renew: sudo ifconfig eth0 up.
Linux can use the deprecated ifconfig command with the same syntax as above, but a better tool is dhclient. Here's the syntax to release, followed by the syntax to renew:
sudo dhclient -r
sudo dhclient
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Which of the following statements about Swing GUI components is false?
a. Swing components are less portable but more flexible than the original Java GUI components from package java.awt. b. Most Swing components are written completely in Java. c. Swing components allow the user to specify a uniform look-and-feel across all platforms. d. Swing components allow the user to change the look-and-feel while the program is running.
Which views of the character are the most important ones to use as references for modeling?
A. Front, side, back B. Front, top, back C. Front, side, top, bottom, and back D. Front only
To distinguish a method in the parent class from a method with the same name in a subclass, prefix the method name with self.
Answer the following statement true (T) or false (F)
This chapter has not covered the Bluetooth wireless interface. Investigate the properties of this bus. Indicate where it fits into the world of computer interfaces and its relative merits with respect to wired buses such as USB and wireless busses such as WiFi.
What will be an ideal response?