User A is the system administrator of a company, who often takes business trips to Shanghai Each time when he remotely logs on to the Shanghai an alert is reported, prompting "Someone is remotely logging on to the server Please pay attention to your server security" Which of the following methods can be used to quickly and automatically resolve this issue?
Data transfer between Internet devices requires specific specifications, which are called "protocols" Among those, the invention of a certain protocol played a decisive role in the creation of the Internet. By using those protocols, tens of thousands of computers can be connected and communicate with each other What is the following protocol is not defined in OSI 7 layer model?
Alibaba Cloud Security Center can record source IP addresses that remotely access a server, and shield suspicious IP addresses that frequently connect to the server. During routine O&M. which of the following functions can be used to set the IP address that are commonly used by the system administrator'?
Users can detach the Security Center client on Alibaba Cloud ECS instances, and reinstall it later when necessary.
More than one CNAME record is generated for the same domain name when Alibaba Cloud Anti-DDoS Premium Service Instance is purchased for load balancing purpose.