Which of the following commands can be used to generate an RSA key pair for use with an SSH server on a Linux system?Select one:a.ssh-keygen -t rsab.ssh-keygen -t ecdsac.ssh-keygen -t ed25519d.ssh-keygen -t dsa

Write a Bash script that creates an RSA key pair.Requirements:Name of the created private key must be schoolNumber of bits in the created key to be created 4096The created key must be protected by the passphrase bettyExample:sylvain@ubuntu$ ls1-create_ssh_key_pairsylvain@ubuntu$ ./1-create_ssh_key_pairGenerating public/private rsa key pair.Your identification has been saved in school.Your public key has been saved in school.pub.The key fingerprint is:5d:a8:c1:f5:98:b6:e5:c0:9b:ee:02:c4:d4:01:f3:ba vagrant@ubuntuThe key's randomart image is:+--[ RSA 4096]----+| oo... || .+.o = || o + B + || o. = O || .. S = . || .. . || E. . || .. || .. |+-----------------+sylvain@ubuntu$ ls1-create_ssh_key_pair school school.pubsylvain@ubuntu$

Which of the following commands can be used to copy an SSH public key to a remote server, allowing the owner of the corresponding private key to log in without a password?Question 13Answera.ssh-copy-id user@remote_hostb.ssh user@remote_host "echo $(cat ~/.ssh/id_rsa.pub) >> ~/.ssh/authorized_keys"c.scp ~/.ssh/id_rsa.pub user@remote_host:~/.ssh/authorized_keysd.echo "$(cat ~/.ssh/id_rsa.pub)" | ssh user@remote_host "cat >> ~/.ssh/authorized_keys"

Which of the following commands can be used to verify the authenticity of an SSH public key, ensuring that it belongs to the expected user?Select one:a.ssh-keygen -lf ~/.ssh/authorized_keysb.ssh-keyscan user@remote_hostc.ssh-keygen -lf ~/.ssh/id_rsa.pubd.ssh-keygen -lf ~/.ssh/known_hosts

Which of the following commands can be used to verify the authenticity of an SSH public key, ensuring that it belongs to the expected user?Question 5Answera.ssh-keygen -lf ~/.ssh/id_rsa.pubb.ssh-keyscan user@remote_hostc.ssh-keygen -lf ~/.ssh/known_hostsd.ssh-keygen -lf ~/.ssh/authorized_keys

Which of the following commands can be used to remove an SSH key from the ~/.ssh/authorized_keys file on a remote server, revoking access to the corresponding user?Question 3Answera.ssh-keygen -R user@remote_hostb.grep -v "ssh-.*user@remote_host" ~/.ssh/authorized_keys > ~/.ssh/authorized_keys.tmpc.ssh-keygen -f "~/.ssh/known_hosts" -R user@remote_hostd.sed -i '/^ssh-.*user@remote_host$/d' ~/.ssh/authorized_keys