A network administrator needs to securely connect two private office networks over the public internet. Which of the following techniques is BEST suited for this purpose, as it encapsulates private network packets within public network packets to create a secure path?
Hashing
Tunneling
Obfuscation
Segmentation
Tunneling is the correct technique because it encapsulates network packets to create a secure, private connection across an untrusted public network like the internet. This is the fundamental principle behind Virtual Private Networks (VPNs). Hashing is a cryptographic function used to ensure data integrity, not to create a secure communication path. Segmentation is the practice of dividing a network into smaller sub-networks to limit attack surfaces. Obfuscation involves making data difficult to understand but does not provide the structural encapsulation and security of tunneling.
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