Answer:
Data science is an interdisciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from noisy, structured and unstructured data, and apply knowledge and actionable insights from data across a broad range of application domains.
Answer:
DHCP (Dynamic Host Configuration Protocol)
Explanation:
DHCP is a network protocol that allows network administrators to automatically configure communication information for a network device. The DHCP will, among other things;
i. provide and assign IP addresses to network devices
ii. assign default gateways, DNS information and subnet mask to network devices.
These will reduce the tasks of the network administrator and also provide reliable configuration by reducing errors that are associated with manual configuration of these communication information.
Answer:
upload; download
Explanation:
FTP (File Transfer Protocol) is an internet protocol used to upload and download a file to a server, there are some programs help us to transfer this data to a server, in some cases, we're going to need these programs to upload website files to the server like images or videos, or some websites where do you need a user and passwords to upload file by FTP
Answer:
A and C
Explanation:
Option A:
In IPv6 there is a rule to reduce an IPv6 address when there are two or more consecutive segments of zeros just one time. This rule says that you can change the consecutive zeros for “::”
Here is an example
How to reduce the following IPv6 address?
ff02:0000:0000:0000:0000:0000:0000:d500
Ans: ff02::d500
Example 2:
2001:ed02:0000:0000:cf14:0000:0000:de95
Incorrect Answer -> 2001:ed02::cf14::de95
Since the rule says that you can apply “::” just one time, you need to do it for a per of zero segments, so the correct answer is:
Correct Answer -> 2001:ed02::cf14:0:0:de95
Or
2001:ed02:0:0:cf14::de95
Option C:
Since in IPv6 there are 
available addresses which means 340.282.366.920.938.463.463.374.607.431.768.211.456 (too many addresses), there is no need of NAT solution, so each device can have its own IP address by the same interface to have access through the internet if needed. If not, you can block the access through internet by the firewall.
