Wheel

Why does DNS use UDP instead of TCP?

DNS requests are very tiny, so they have no problems fitting into the UDP segments. It doesn’t use a time-consuming three-way hand-shake procedure to…

Does VPN block DNS traffic?

A “Full-Tunnel” VPN routes and encrypts all the Internet traffic through the VPN. Consequently, DNS requests are also encrypted and out of the control…

Is it normal to have two DNS servers?

2 DNS addresses is normal; the system will just use the second one if the first one is unavailable (or alternate between the two,…

Can connect to internet but Cannot open Web pages?

If web pages do not open in any Internet browser, your computer may have a virus or malware infection. Some malware and viruses prevent…

Does Linux cache DNS?

On Linux, there is no OS-level DNS caching unless a caching service such as Systemd-Resolved, DNSMasq, or Nscd is installed and running. The process…

How can I tell if I have AHCI?

Click the arrow next to “IDE ATA/ATAPIATA/ATAPIParallel ATA (PATA), originally AT Attachment, also known as ATA or IDE is a standard interface designed for…

Is AHCI same as UEFI?

Although people use BIOS and UEFI interchangeably they are not the same. AHCI is a feature of both BIOS and UEFI, however many older…

How do I know if BIOS is SATA mode?

In the BIOS Utility dialog, select Advanced -> IDE Configuration. The IDE Configuration menu is displayed. In the IDE Configuration menu, select Configure SATA…

Which SATA mode should I use for HDD?

In general, a hard drive performs more slowly in IDE mode. IDE mode provides better compatibility with some older hardware. If you want to…

Can you throw away old hard drives?

But you can’t just throw away a hard drive or drop it off at a recycling center. These drives may contain personal data, and…