CISSP: Unit 4: Communication and Network Security: Updated Solution

Bastion hosts (Ans- Serve as a gateway between a trusted and untrusted network that gives limited, authorized access to untrusted hosts. Bridges (Ans- Layer 2 devices that filter traffic between segments based on Media Access Control (MAC) addresses. Common application service element (CASE) (Ans- Sublayer that provides services for the application layer and request services from the session layer Concentrators (Ans- Multiplex connected devices into one signal to be transmitted on a network Direct-Sequence Spread Spectrum (DSSS) (Ans- A wireless technology that spreads a transmission over a much larger frequency band, and with corresponding smaller amplitude Decryption (Ans- The process of transforming encrypted data back into its original form, so it can be understood. Fibre Channel over Ethernet (FCoE) (Ans- A lightweight encapsulation protocol and lacks the reliable data transport of the TCP layer File Transfer Protocol (FTP) (Ans- A stateful protocol that requires two communication channels Firewalls