Final Exam: Progression: Field Tech III - IV Final Exam With Complete Solution

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? -Answer 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)? -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 layer All 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 On the file transfer protocol (FTP) server, what manages client requests for file retrieval or transmission? -Answer A daemon