Answer:
The answer of the following question is Encryption.
Explanation:
Encryption is the second layer of the OSI Layer. It helps reduce the maintenance charges and offload complexity.
Encryption has presents in layer 3 and layer 4 which is IPSec in layer 3 and SSL, TSL in layer 4. of OSI Model.
<u>Note</u>- Only the Encryption can protect the data itself
I guess the best answer is Virus.
Virus is a malicious computer program that is designed to create annoying glitches or destroy data.
Answer:
The correct option is communication diagram
Explanation:
The communication diagram represents the change of values for an item by a system.
A communication diagram is an expansion of the diagram of objects showing the objects together with the texts traveling from one to another. Besides the connections between objects, the communication diagram demonstrates the messages that the objects send to one another.
The correct option is a) communication diagram
Answer:
Check your DNS settings
Explanation:
Different errors may occur when setting up your computer to connect to the internet, one of which is described in the question above.
The DNS (Domain Name System) is responsible for redirecting domain names to their physical IP address. Instead of remembering every IP address of sites you visit frequently, domain names are used for easy remembrance, the DNS makes the matching of domain names to IP addresses possible.
To change your DNS setting follow these steps:
- Click settings from your start menu
- Click on Network and Internet
- Look to the bottom of the main page and click on "Network and Sharing Center"
- On the left tab, click "Change adapter settings"
- Right Click on the current network you are using and select properties
- Left-click on the "Internet Protocol Version 4 (TCP/IPv4) and click on properties.
- Check to see if "Obtain DNS server address automatically" is selected, if it is selected,
- Click on the radio button under it "Use the following DNS server address"
- Enter the DNS address you want to use
- Click Ok and close the window.
The problem should be resolved.