Answer:
a. click on View, then ruler
Explanation:
If you want to add ruler to the document following is the procedure to do it:
Click on View.
Then check the ruler in the group called show.
You will get the ruler in your document.You can also remove it by unchecking the ruler box.
Ruler is used to measure and line up objects.
Hence the answer to this question is option A.
Answer:
subnet mask
Explanation:
A subnetwork or subnet mask is a logical subdivision of an IP network.
To find out your subnet mask, the simlest way around it is to is to run a simple command line in windows.
Simply press the Windows key and “R” at the same time to open the command prompt and type “cmd” followed by “enter.” This will allow you to see your subnet mask.
In IPv4, the subnet mask 255.255. 255.0 is 32 bits and consists of four 8-bit octets. The address: 10.10. 10.0 subnet mask 255.255.255.0 this simply indicated that the subnet mask consists of a range of IP addresses from 10.10.10.0 - 10.10.10.255.
Subnet masks (IPv4) are often involved in identifying the range of IP addresses that make up a subnet, it can also be described as a group of IP addresses on the same network.
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The answer & explanation for this question is given in the attachment below.