Progression: Field Tech III - IV Conventional Questions And Answers

Progression: Field Tech III - IV Conventional Questions And Answers The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - ANS It uses Layer 3 addresses to create multiple routed networks. The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANS Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANS The datagram loops back inside the host and never leaves the network interface card (NIC). Which device evaluates and acts upon a packet's Internet protocol (IP) address? - ANS Router. The Network Layer must do what to a received frame first, in order to determine the route over which it will forward the datagram to the next network? - ANS Decapsulate the packet. What network information can be determined from a logical Internet protocol (IP) address? - ANS 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)? - ANS The Physical Layer. Which layer of the Open Systems Interconnection reference model (OSI/RM) would you suspect as being the problem when packets are arriving at the server but no information is being returned to the client? - ANS The Data Link Layer. All computers running on the transmission control protocol/Internet protocol (TCP/IP) suite have which of the following in common? - ANS 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)? - ANS The Transport Layer. Which Dynamic Host Configuration Protocol (DHCP) network address allocation mechanism assigns a host a temporary IP address? - ANS Dynamic Which two choices are examples of trivial file transfer protocol (TFTP) use? (Choose two.) - ANS Download router upgrades. And Software upgrades to IP telephones.