1. An organisation that maintains a gateway to the internet and rent access to customers on a per use of subscription basis is called INTERNET SERVICE PROVIDER [ISP]. Internet service providers are of various forms, it can be commercially or privately owned, it can also be owned by a community. The internet access provided by ISP can be inform of cable, DSL or dial up. ISP provide other services such as website building and virtual hosting.
2. Internet protocol [IP] refers to a set of rules that guide the format of data sent over the internet, it is the method by which data is sent over the internet from one computer to another computer. Each computer that is linked to the internet has a unique IP address by which it is identified and distinguished from all other computers on the internet.
Answer:
cell address is the exact location of a particular cell of ms-excle
Explanation:
A1 refers to first row and first column.
A2 refers to second row first column.
i.e.
in 'A1' : 'A' indicate column { A= first column, B= second
column, C= third column. and soon.....}
'1' indicate row { 1 = first row, 2 = second row, 3= third row..... soon .......}
Answer:
The code commented is given below, also the lines that start with # are comments that explains the code.
# Create a function named times_print that receives 2 values x and y
def times_print(x, y):
# Print the formatted string
print("The value of {} times {} is {}".format(x,y,x*y))
# Create the main function
def main():
# Call the funciton times_print 3 times with different values
times_print(2,3)
times_print(4,5)
times_print(5,6)
# Execute the main function
main()
Explanation:
The code was written using Python 3.5, and here I attach the screenshots of the program running:
Answer:
Internal and External Zones
Explanation:
Demilitarized Zone (DMZ) in a network means that, we make sure the security of network at higher level as military make sure the security of their bases or zones.
In this type of network, The network of the internal organization (LAN) needs security from hackers and unauthorized users who are trying to access the resources and information from the network.
This network is divided into two major zones. A DMZ has been placed between two zones along with firewalls enhance the security of LAN Network from the networks on internet. These two zones are named as Internal and External Zone. The firewall between DMZ and External zones monitors the users from external networks on the internet who tries to access organization's network. Internal network monitors the traffic between DMZ and Internal LAN network.
Answer:
An Oracle sequence uses the identity column property to automatically number rows.
Explanation:
An Oracle sequence is a tool that can be used to generate a number sequence. Oracle has the capacity to help you create an auto-number field by using one of its tools called sequence.
A sequence is an object in Oracle that is used to generate a number sequence for input to a table. This is required when you need to generate primary key values by the use of identity columns.
So, Oracle sequence can automatically number rows by the use of identity columns.
