What is the function of a Firewall in client-server network security for E-Commerce?
A network firewall operates at perimeter boundaries to monitor, filter, and block unauthorized IP access or illicit traffic to e-commerce application servers.
NSFNET (National Science Foundation Network) played a pivotal role in Internet history as:
NSFNET (1985-1995) was a high-speed backbone funded by the National Science Foundation that bridged early ARPANET technology into the modern global Internet infrastructure.
The non-profit organization responsible for broad Internet governance, education, and policy development founded in 1992 is:
The Internet Society (ISOC) provides leadership in Internet standards, education, access, and policy, acting as organizational parent to the IETF.
In E-Commerce document security, asymmetric cryptography utilizes:
Asymmetric (Public Key) cryptography uses mathematically linked key pairs: the public key encrypts data/verifies signatures, while the private key decrypts data/creates signatures.
What is the primary function of a Digital Signature in electronic mail and document security?
Digital signatures use private keys to hash-sign documents, guaranteeing origin authenticity, message integrity (detecting alterations), and legal non-repudiation.