Answer:
<em>The </em><em>answer </em><em>is </em><em>(</em><em>A)</em>
Explanation:
Double-click both the worksheet tabs one at a time and then enter the new names.
4go but to create windows you'll need media creation tool don't worry it's free using that you can upgrade the same computer but still you'll need a product key but there's a way to bypass that using kmspico there's tutorials on YouTube so you have to click activate later Hope that helped
Answer: DNSSEC(Domain Name System Security Extensions) is the used for protection of the applications by signing the DNS data records in digital form.The purpose of the DNSSEC is to validate the DNS signatured area.
DNSSEC is used for securing the traffic by providing access to the authorized party only .Cryptography is a useful tool for the securing the network traffic make the traffic of the networks hidden which make it safe from attacks and hacks.Traffic encryption mechanism is used in many field to protect the transmission from theft.The digitally signed transaction can be viewed or decrypted by only authorized by when required and thus manages the traffic.
E.g.- bank uses this technology while transactions take place to make it secure.
Well if your talking about physically you could get some compressed air and blow it out. Or if your talking about performance you could try to re-install the os you have on it or replace the hdd with a ssd or higher performance hard disk for it to run like new. :)