NCTI FINAL EXAM: PROGRESSION
FIELD TECH 3- 4 TEST EXAM| LATEST
UPDATE 2023 / 2024| Verified Answers
Progression: Field Tech III - IV Conventional
500Q/A
The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - 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). 1 / 4
Which device evaluates and acts upon a packet's Internet protocol (IP) address? - ANSWER 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? - 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 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? - ANSWER The Data Link Layer. 2 / 4
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 Transport Layer.Which Dynamic Host Configuration Protocol (DHCP) network address allocation mechanism assigns a host a temporary IP address? - ANSWER Dynamic Which two choices are examples of trivial file transfer protocol (TFTP) use?(Choose two.) - ANSWER Download router upgrades. And Software upgrades to IP telephones. 3 / 4
How does the Domain Name System (DNS) resolve fully qualified domain names (FQDN) to IP addresses? - ANSWER 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? - ANSWER File transfer protocol (FTP).Which statement best describes Internet Message Access Protocol (IMAP)? - ANSWER 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? - ANSWER Domain Name System (DNS).Which protocol allows clients to locate and download IP addressing and configuration information on an automatically renewable (lease) basis? - ANSWER Dynamic Host Configuration Protocol (DHCP).
- / 4