NCTI FINAL EXAM: Final Exam: Progression: Field Tech III - IV Final
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Module
NCTI Field Tech
Institution
NCTI Field Tech
NCTI FINAL EXAM:
Final Exam: Progression: Field Tech III - IV Final
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...
NCTI FINAL EXAM:
Final Exam: Progression: Field Tech
III - IV Final
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
What are the primary requirements to connect a transmission control protocol/ internet protocol (TCP/IP) network? - ANSWER 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? - ANSWER Store-and-forward
Host names and uniform resource locators (URL) are resolved to internet protocol
(IP) addresses by which of the following? - ANSWER Domain Name System (DNS)
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