I believe the answer is C) Model.
Answer:
• Network intruders can access all computers on a network.
• Networks are costly to set up.
Explanation:
A network can be defined as a connection between the internet and the computer. A network is a means by which information or data are transmitted from one computer to another.
We have various types of networks and some of them are:
a) Local Area Network (LAN)
b) Wireless Local Area Network (WLAN)
c) Wide Area Network (WAN)
d) Campus Area Network (CAN)
e) Metropolitan Area Network (MAN)
f) Personal Area Network (PAN) e.t.c
The disadvantages of network are:
a) Network intruders such as computer hackers can easily access all computers on a network.
b) Networks are costly to set up.
It is of outermost importance that a network used by a computer is secured using security such as encryption in other to prevent data loss , hackers and exposure of information that are sensitive to computer users.
Answer:
Option A.
Explanation:
Only option A satisfies the definition of push statements. So it is only the correct option.
Answer:
Letterpress printing was the normal form of printing text from its invention by Johannes Gutenberg in the mid-15th century to the 19th century and remained in wide use for books and other uses until the second half of the 20th century.