Answer: A- Public Key Encryption
Explanation: The Public key Encryption is used prevalently on the web, it allows for secure messages to be sent between parties without having to agree on, or share, a secret key. It uses an asymmetric encryption scheme in which the encryption key is made public, but the decryption key is kept private.
The answer is : 2001:DB80:1470::200
A double colon ( :: ) can replace any single, contiguous string of one or more 16-bit segments (hextets) which is consist of all 0s, and it can only be used once per IPv6 address. Therefore,any leading 0s (zeros) in any 16-bit section or hextet can be omitted.
Answer:
backup() {
read dirname;
if [[ whereis . /`$dirname` 2> sterr.exe]]
then
mkdir $dirname
for f in . / *.cpp
do
cp f "path_to_dirname"
echo "file backup complete"
}
backup( )
Explanation:
The bash script above is used to backup C++ source files in a directory to a backup directory which is created if it does not exist, and copy's each .cpp file to backup, then sends a message to declare its completion.
Explanation:
not A or D,
about B and C I'm not sure
Answer:
Operating systems work like translators because they are able to take software and hardware, and put it all together to work in a way that is readable and usable for the consumer.
