TEKA TEKI SILANG

Jawaban: 

1. Layer  2 forwarding protocol
2. Data Encryption Standard
3. Secure hash algorithmi
4. Advanced Encryption Standard
5. Diffiehellman
6. RSA
7. Generic Routing Encapsulation
8. Layer 2 Tunneling Protocol
9. 3 DES
10. IPSEC
11. PPTD
12. Message Digests