Answer:
A. CSR
Explanation:
CSR, (certificate signing request also known as certification request, CR) are messages sent by an applicant to a certificate authority to acquire a digital identification certificate or renew an already existing one. It contains information of the client or applicant like domain name, public key etc.
Keyescrow, CRLD and OCSP are not recommended or required for renewing digital certificate as they commands or settings for shortcuts and commands.
Answer:
Hello your question lacks the required options here are the options
A)This response means the port he is scanning is open.
B)The RST/ACK response means the port Fred is scanning is disabled.
C)This means the port he is scanning is half open.
D) This means that the port he is scanning on the host is closed
answer : This means that the port he is scanning on the host is closed ( D )
Explanation:
When you scan a network to ensure it is secure enough by sending a TCP probe to a host with a FIN flag and you receive a RST/ACK response it means that The port that is been scanned on the host is closed
A TCP scanning/probe involves sending a number of packets to each port that is scanned. when you Compare TCP scanning methods to other methods of scans, a TCP Connect scan is typically slow and methodical.
Answer:
IPSec
Explanation:
IPSec is an acronym for Internet Protocol Security. It is a standardized protocol used in determining the cryptographic and authenticated packets across the Internet Protocol networks.
It can be utilized to establish access control, confidentiality, data origin authentication, connectionless integrity, rejection of replayed packets, and limited traffic flow confidentiality.
