Answer:
Hardware.
Explanation:
John is operating with Internal Computer Professionals, an organization committed to assisting sector owners to overcome MIS technology problems. John's duties include maintaining and repairing motherboards, wires, and parts of inner devices including DVDs and hard disks. Although John's appointed for hardware fixation.
'<span>All methods should be declared private</span>' is not true for classes. One should be able to change the properties of objects, and to do this safely and in a controlled manner, some public methods are declared. Some private methods can also be declared for more potentially sensitive operations for being called from within the class.
Answer:
router.
Explanation:
Router is the main connection for a house network to the Internet, the firewall function is combined to the router. Every house network must have a firewall to protect their privacy.
The router provides the hardware firewall while the windows provides the software firewall.So the answer to this question is router.