Answer:
Host discovery
Explanation:
Hot discovery is one of the preliminary stages of network reconnaissance, it begins with different IP addresses that belongs to a particular network and adopts various methods to scan and know if a host is at the IP address. Host discovery is also known as ping scan when a sonar analogy is used.
Host discovery helps to scan the particular type of host on one's network.
Answer:
You need to understand all the network typologies and the devices that we use in the Computer networks. You also use the techniques like routing, masking, firewalls, VPN, as well as the network protocol. And recently added is the PKI. And hence you need to make sure that you know all these, and you should also know ipv4 and ipv6. Rest you can consult Tanenbaum for further studies on Computer Network.
Explanation:
Please check the answer.
Doctor or teacher or an engineer
Answer:
B
Explanation:
because you need to exercise and eat or drink less calories
