FINAL EXAM: PROGRESSION: FIELD TECH III -
IV FINAL QUESTIONS AND ANSWERS 2025
The open system interconnection reference model (OSI/R<) Network layer serves which
primary function? - CORRECT ANSWER- It uses layer 3 addresses to create multiple
routed networks
The address 68.56.189.17 belongs to which internet protocol IP class? - CORRECT
ANSWER- Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -
CORRECT 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? -
CORRECT 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? - CORRECT ANSWER-
Decapsulate the packet
What network information can be determined from a logical internet protocol (IP)
address? - CORRECT 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)? - CORRECT 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? - CORRECT ANSWER- The transport layer
All computers running on the transmission control protocol/internet protocol (TCP/IP)
suite have which of the following in common? - CORRECT 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)? - CORRECT ANSWER- The physical layer.
Which of the following protocols allows email clients to download their messages from
an email server? - CORRECT ANSWER- Post office protocol version 3 (POP3)
, Hypertext transfer protocol (HTTP) is what type of protocol? - CORRECT ANSWER-
Stateless
On the file transfer protocol (FTP) server, what manages client requests for file retrieval
or transmission? - CORRECT ANSWER- A daemon
What are the primary requirements to connect a transmission control protocol/ internet
protocol (TCP/IP) network? - CORRECT 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? - CORRECT ANSWER- Store-and-forward
Host names and uniform resource locators (URL) are resolved to internet protocol (IP)
addresses by which of the following? - CORRECT ANSWER- Domain Name System
(DNS)
What happens when the browser application finishes the downloading the files
necessary to display a web page? - CORRECT ANSWER- 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 ANSWER- Internet Message
AccessPprotocol version 4 (IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - CORRECT ANSWER- File transfer Protocol Server (FTP)
A store and forward email system will not deliver messages until - CORRECT
ANSWER- The host requests the information
What is the binary equivalent of decimal 136? - CORRECT ANSWER- 10001000
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
CORRECT ANSWER- 10101100.01000100.00001010.000000010
Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - CORRECT ANSWER-
115.200.44.2
IV FINAL QUESTIONS AND ANSWERS 2025
The open system interconnection reference model (OSI/R<) Network layer serves which
primary function? - CORRECT ANSWER- It uses layer 3 addresses to create multiple
routed networks
The address 68.56.189.17 belongs to which internet protocol IP class? - CORRECT
ANSWER- Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -
CORRECT 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? -
CORRECT 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? - CORRECT ANSWER-
Decapsulate the packet
What network information can be determined from a logical internet protocol (IP)
address? - CORRECT 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)? - CORRECT 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? - CORRECT ANSWER- The transport layer
All computers running on the transmission control protocol/internet protocol (TCP/IP)
suite have which of the following in common? - CORRECT 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)? - CORRECT ANSWER- The physical layer.
Which of the following protocols allows email clients to download their messages from
an email server? - CORRECT ANSWER- Post office protocol version 3 (POP3)
, Hypertext transfer protocol (HTTP) is what type of protocol? - CORRECT ANSWER-
Stateless
On the file transfer protocol (FTP) server, what manages client requests for file retrieval
or transmission? - CORRECT ANSWER- A daemon
What are the primary requirements to connect a transmission control protocol/ internet
protocol (TCP/IP) network? - CORRECT 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? - CORRECT ANSWER- Store-and-forward
Host names and uniform resource locators (URL) are resolved to internet protocol (IP)
addresses by which of the following? - CORRECT ANSWER- Domain Name System
(DNS)
What happens when the browser application finishes the downloading the files
necessary to display a web page? - CORRECT ANSWER- 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 ANSWER- Internet Message
AccessPprotocol version 4 (IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - CORRECT ANSWER- File transfer Protocol Server (FTP)
A store and forward email system will not deliver messages until - CORRECT
ANSWER- The host requests the information
What is the binary equivalent of decimal 136? - CORRECT ANSWER- 10001000
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
CORRECT ANSWER- 10101100.01000100.00001010.000000010
Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - CORRECT ANSWER-
115.200.44.2
