Answer:
The Transport Layer Security (TLS) protocol adds a layer of security on top of the TCP/IP transport protocols. TLS uses both symmetric encryption and public key encryption for securely sending private data, and adds additional security features, such as authentication and message tampering detection
I will rewrite your question and complete it.
A statement describing both the requirements that must be met by a product or process amd the ways in which satisfaction of the requirements will be measured is called a ASTM test.
ASTM tests are given to check the requirements and standards on products or system.
Answer:
LinkedIn has a very smart algorithm, and it has a very strict policy against spammers. Back in 2014, it deleted millions of accounts that were causing spam on LinkedIn.
Spam occurs:
1. When you send bulk of connect requests in a short time
2. When you send irrelevant messages to prospects
3. When you Perform overactivity
4. When you use LinkedIn automation tools
5. When you send spammy and sales-y messages
All these actions cause spam on LinkedIn, and it immediately takes action against you by restricting your account temporarily or permanently.