Progression: Field Tech III - IV Conventional Questions and Answers Already Graded A

Progression: Field Tech III - IV Conventional Questions and Answers Already Graded A The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? 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 Internet protocol (IP) address? 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? 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 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? The Data Link 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 Transport Layer. Which Dynamic Host Configuration Protocol (DHCP) network address allocation mechanism assigns a host a temporary IP address? Dynamic Which two choices are examples of trivial file transfer protocol (TFTP) use? (Choose two.) Download router upgrades. And Software upgrades to IP telephones. How does the Domain Name System (DNS) resolve fully qualified domain names (FQDN) to IP addresses? By looking up the names in an address mapping database. Which TCP/IP application allows us to transfer files either within a browser or at the command line? File transfer protocol (FTP). Which statement best describes Internet Message Access Protocol (IMAP)? IMAP allows users to scan email headers and choose email messages to download from the email server. To resolve fully qualified domain names (FQDN) to binary IP addresses, resolvers contact which type of TCP/IP application server? Domain Name System (DNS). Which protocol allows clients to locate and download IP addressing and configuration information on an automatically renewable (lease) basis? Dynamic Host Configuration Protocol (DHCP). Which TCP/IP application allows a network user to remotely log on and manipulate a network device? Telnet. Which three of the following are Dynamic Host Configurati