Progression: Field Tech III - IV Final Exam Questions And Answers | Expert Verified | Latest Updated | 2025/2026

Progression: Field Tech III - IV Final Exam Questions And Answers | Expert Verified | Latest Updated | 2025/2026 The open system interconnection reference model (OSI/R<) Network layer serves which primary function? - answer-It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? - answer-Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - answer-The datagram loops back inside the host and never leaves the network interface card (NIC) Which device evaluates and acts upon a packet's internal protocol (IP) address? - answer-Router The network layer must do what to a recieved frame, in order to determine the route over which it will forward the datagram to the next network? - answer-Decapsulate the packet What network information can be determined from a logical internet protocol (IP) address? - answerThe host portion and network portion the physical address of a device is processed by which layer of the open systems interconnection reference model (OSI/RM)? - answer-The data link layer Which layer of the open system interconnection reference modle (OSI/RM) would you suspect as being the problem when packets arriving at the server but no information is being returned to the client? - answer-The transport layerAll computers running on the transmission control protocol/internet protocol (TCP/IP) suite have which of the following in common? - answer-Each computer is assigned its own internet protocol (IP) address A repeater operates at which layer of the open systems interconnection reference model (OSI/RM)? - answer-The physical layer. Which of the following protocols allows email clients to download their messages from an email server? - answer-Post office protocol version 3 (POP3) Hypertext transfer protocol (HTTP) is what type of protocol? - answer-Stateless