In binary-synchronous protocol, which characters establishes and maintains character synchronization prior to the message block and during transmission?

Which of the following services do TCP connections provide to application layer protocols?

A) Transport services without error recovery B) Delivery through error recovery C) Large data size manageability using segmentation D) Secure Kerberos password encryption on data E) Proxy server authentication

Answer the following statements true (T) or false (F)

1. An individual’s signature is not unique enough to use in biometric applications. 2. Identifiers should be assigned carefully because authenticated identities are the basis for other security services. 3. A smart card contains an entire microprocessor. 4. Keylogging is a form of host attack. 5. In a biometric scheme some physical characteristic of the individual is mapped into a digital representation.