That is a corqet tool it is used for fixing tires
The correct answer is B. Primary DNS Server.
DNS records are type of data that is equivalent to IP address where the website or domain is located. DNS records are normally stored in DNS server in a raw or flat file. A host, using port number 53 will send a DNS request to the server. If the computer has stored it's data or record in it's database, it will automatically reply to the requesting host. Example: You typed in www.website.com, if you have a matching DNS record in your server, using an IP address, your server will reply and display the website.
Answer:
PCIe
Explanation:
If we're talking about video slot the PCI is the most commonly installed in a laptop, but in this case, we have the PCIE or PCI-Express, this was the most common video slot in 2007 and is confused for the PCI-X.
We can increase the bandwidth with this video slot, this slot PCI-X could be 32 times faster than PCI 2.1, with PCIE 1.1 we can transport 250mb/s in each direction.
The answer is Database assuming those are the answer choices
