Ethicalhacking-Exercises in Cisco packet tracer and Kali Linux Implementation of various tools in ethical hacking such as WIRESHARK ,NMAP ,TCPVIEW ,POWERSPY ,BURPSUITE, SQLINJECTION ,PENTEST-RECONNAISSANCE ,CYBERSECURITY,HASHING,DECRYPTION,ENCRYPTION METASPOILT USING NMAP , FIREWALL, INFORMATION GATHERING USING FTP ,SMTP, PAYLOAD AND REVERSE TCP, SOCIAL ENGINEERING TOOL, AUDIT FOR WINDOWS, STANDARD AND EXTENDED ACL