NCTI FINAL EXAM: PROGRESSION: FIELD TECH III - IV FINAL TEST EXAM 2023 REUPDATED SOLUTION
The open system interconnection reference model (OSI/R<) Network layer serves which primary function?
The address 68.56.189.17 belongs to which internet protocol IP class?
What happens to a datag...
NCTI FINAL EXAM: PROGRESSION:
FIELD TECH III - IV FINAL TEST EXAM
2023 REUPDATED SOLUTION
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. - 115.200.44.2
Which is the result of ANDing the internet protocol (IP) address 23.176.224.18 with the
subnet mask 255.224.0.0? - 23.160.0.0
Which represents the prefix bits for the subnet mask 255.255.0.0 - /16
if we borrow 3 bits from a class C network address, how many usable subnets have we
created? - 8
What isolates an internet protocol (IP) address's network portion from its host portion? -
A network mask
What is the best description if the internet protocol (IP) address prefix? - It is the
shorthand notation for the combined network and subnet mask.
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