Final Exam: Progression: Field Tech 3 - 4
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 received 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 model (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)
What happens when the browser application finishes the downloading the files
necessary to display a web page? - ANSWER The browser server drop the
connections, and the browser maintains the page and its elements in local memory.
Which email protocol enables the messages to be viewed without first downloading
them from the email server? - ANSWER Internet Message Access protocol version 4
(IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - ANSWER File transfer Protocol Server (FTP)
A store and forward email system will not deliver messages until - ANSWER The host
requests the information
What is the binary equivalent of decimal 136? - ANSWER 10001000
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
ANSWER 10101100.01000100.00001010.000000010
Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - ANSWER 115.200.44.2
Which is the result of landing the internet protocol (IP) address 23.176.224.18 with the
subnet mask 255.224.0.0? - ANSWER 23.160.0.0
Which represents the prefix bits for the subnet mask 255.255.0.0 - ANSWER /16
If we borrow 3 bits from a class C network address, how many usable subnets have we
created? - ANSWER 8
What isolates an internet protocol (IP) address's network portion from its host portion? -
ANSWER A network mask
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 received 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 model (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)
What happens when the browser application finishes the downloading the files
necessary to display a web page? - ANSWER The browser server drop the
connections, and the browser maintains the page and its elements in local memory.
Which email protocol enables the messages to be viewed without first downloading
them from the email server? - ANSWER Internet Message Access protocol version 4
(IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - ANSWER File transfer Protocol Server (FTP)
A store and forward email system will not deliver messages until - ANSWER The host
requests the information
What is the binary equivalent of decimal 136? - ANSWER 10001000
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
ANSWER 10101100.01000100.00001010.000000010
Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - ANSWER 115.200.44.2
Which is the result of landing the internet protocol (IP) address 23.176.224.18 with the
subnet mask 255.224.0.0? - ANSWER 23.160.0.0
Which represents the prefix bits for the subnet mask 255.255.0.0 - ANSWER /16
If we borrow 3 bits from a class C network address, how many usable subnets have we
created? - ANSWER 8
What isolates an internet protocol (IP) address's network portion from its host portion? -
ANSWER A network mask
