warning: mysql-community-server-5.7.35-1.el7.x86_64.rpm: Header V3 DSA/SHA256 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
  libaio.so.1()(64bit) is needed by mysql-community-server-5.7.35-1.el7.x86_64
  libaio.so.1(LIBAIO_0.1)(64bit) is needed by mysql-community-server-5.7.35-1.el7.x86_64
  libaio.so.1(LIBAIO_0.4)(64bit) is needed by mysql-community-server-5.7.35-1.el7.x86_64
  net-tools is needed by mysql-community-server-5.7.35-1.el7.x86_64

如上错误，安装如下

yum install libaio
yum install perl
yum install net-tools