Final Exam: Progression: Field Tech III - IV Final Already Passed

Final Exam: Progression: Field Tech III - IV Final The open system interconnection reference model (OSI/R<) Network layer serves which primary function? It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? 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? 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? Decapsulate the packet What network information can be determined from a logical internet protocol (IP) address? The 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)? 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? The transport layer All computers running on the transmission control protocol/internet protocol (TCP/IP) suite have which of the following in common? 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)? The physical layer. Which of the following protocols allows email clients to download their messages from an email server? Post office protocol version 3 (POP3) Hypertext transfer protocol (HTTP) is what type of protocol? Stateless On the file transfer protocol (FTP) server, what manages client requests for file retrieval or transmission? A daemon What are the primary requirements to connect a transmission control protocol/ internet protocol (TCP/IP) network? Unique pairs of network layer and transport layer addresses and use of the TCP/IP protocol suit. What type of delivery method uses an email server between the sender and the receiver of messages? Store-and-forward