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NCTI Final Exam: Progression: Field Tech III - IV Final Exam
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NCTI Final Exam: Progression: Field Tech III - IV Final Exam
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NCTI Final Exam: Progression: FieldTech III - IV Final Exam
The open system interconnection reference model (OSI/R<) Network layer
serves which primary function? Correct Ans - It uses layer 3 addresses
to create multiple routed networks
The address 68.56.189.17 belongs to which internet protocol IP class?
Correct Ans - Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z
address? Correct 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 internal protocol (IP)
address? Correct Ans - 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?
Correct Ans - Decapsulate the packet
What network information can be determined from a logical internet protocol
(IP) address? Correct 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)? Correct Ans - 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? Correct Ans - The
transport layer
All computers running on the transmission control protocol/internet protocol
(TCP/IP) suite have which of the following in common? Correct 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)? Correct Ans - The physical layer.
Which of the following protocols allows email clients to download their
messages from an email server? Correct Ans - Post office protocol
version 3 (POP3)
Hypertext transfer protocol (HTTP) is what type of protocol? Correct Ans
- Stateless
On the file transfer protocol (FTP) server, what manages client requests for
file retrieval or transmission? Correct Ans - A daemon
What are the primary requirements to connect a transmission control
protocol/ internet protocol (TCP/IP) network? Correct Ans - 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? Correct Ans - Store-and-forward
Host names and uniform resource locators (URL) are resolved to internet
protocol (IP) addresses by which of the following? Correct Ans -
Domain Name System (DNS)
What happens when the browser application finishes the downloading the
files necessary to display a web page? Correct Ans - The browser
server drop the connections, and the browser maintains th epage and its
elements in local memory.
Which email protocol enables the messages to be viewed without first
downloading them from the email server? Correct Ans - Internet
Message AccessPprotocol version 4 (IMAP4)
What type of server maintains an access log to assist with troubleshooting and
tracking down malicious users? Correct Ans - File transfer Protocol
Server (FTP)
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