1) There are the following statements that are given below, which of them are correct about DNS in computer networks?
- A DNS is a server which is used to convert web address or a URL into the corresponding IP address
- A DNS is used to send or upload a data file to the server
- A DNS is used to download the data file from the server
- A DNS server is used to save data files into computer memory
Correct answer: 1
A DNS is a server which is used to convert web address or a URL into the corresponding IP address
Explanation:
In the given statements, 1st statement is correct about DNS.
2) What is the command is used to get an IP address from a URL in the windows operating system?
- netstate
- getipaddress
- nslookup
- nsipaddress
Correct answer: 3
nslookup
Explanation:
The nslookup command is used to get an IP address from a URL in the windows operating system.
3) There are the following options that are given below, which of them are correct types of computer networks?
- WAN
- LAN
- MAN
- All of the above
Correct answer: 4
All of the above
Explanation:
The all given options are the correct types of a computer network.
4) Which of the following is not a type of computer network?
- LAN
- MAN
- PAN
- None of the above
Correct answer: 1
None of the above
Explanation:
The all given options are the correct types of a computer network.