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NCTI FINAL EXAM: Final Exam: Progression: Field Tech III - IV Final. £8.59
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NCTI FINAL EXAM: Final Exam: Progression: Field Tech III - IV Final.
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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? It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol...

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  • April 1, 2024
  • 12
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • ncti final exam final exam progression field te

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  • NCTI Field Tech
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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?

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 internal protocol (IP) address?

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?

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 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?

The transport 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 physical layer.

Which of the following protocols allows email clients to download their messages from an email
server?

, Post office protocol version 3 (POP3)

Hypertext transfer protocol (HTTP) is what type of protocol?

Stateless

On the file transfer protocol (FTP) server, what manages client requests for file retrieval or
transmission?

A daemon

What are the primary requirements to connect a transmission control protocol/ internet protocol
(TCP/IP) network?

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?

Store-and-forward

Host names and uniform resource locators (URL) are resolved to internet protocol (IP) addresses by
which of the following?

Domain Name System (DNS)

What happens when the browser application finishes the downloading the files necessary to display a
web page?

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?

Internet Message AccessPprotocol version 4 (IMAP4)

What type of server maintains an access log to assist with troubleshooting and tracking down
malicious users?

File transfer Protocol Server (FTP)

A store and forward email system will not deliver messages until

The host requests the information

What is the binary equivalent of decimal 136?

10001000

Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary.

10101100.01000100.00001010.000000010

Convert the binary internet protocol (IP) address 01110011.11001000.00101100.00000010 to decimal.

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