Explain the half-duplex transmission mode.
What will be an ideal response?
Half-duplex is a bidirectional transmission mode but it will able to either send or receive data at a time. In this transmission mode, transmitter will send its data and receiver will respond only when transmitter has completed its data transmission. Therefore, both devices are capable to transmit or receive data but only one of them can function as a transmitter and other one function as a receiver at any specific time. Half-duplex uses RS-485 physical standard for communication.
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You are tasked with securing a small network for a client in which the following requirements must be met: • If a user on the private network attempts to send confidential company information to an unauthorized entity, an alert should be triggered. • The private trusted network should not be accessible from the public untrusted network. • If attacks are coming from the external network, the system should detect and prevent malicious activity. • All incoming and outgoing email should be scanned for malware. Which of the following would best meet the requirements of the client?
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