First, rpm is RedHat Package Manager. Compilation is done with gcc, the GNU C Compiler.
To add that kernel to grub2's menu, as root you'd need to run:
grub2-mkconfig > /boot/grub2/grub.cfg #redirection is favored by Red Hat
Check out the man page @ man grub2-mkconfig
Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
They do it because they want people to experience new rides, instead of the same old boring rides they’ve been on several times.
Answer:
ECC RAM
Explanation:
ECC RAM is the most popular Random Access Memory out there that is used by most business servers. Dealing with big data for most huge businesses is crucial. The need to prevent loss of data requires that they purchase ECC RAM. ECC RAM automatically protects the systems from potential errors that occur in memory. Any abrupt changes in temporary data stored in ECC RAM are automatically corrected. This is achieved by an additional memory chip that acts as error detection for the other eight RAM chips.