INSY 3303 Exam 2 Review
2026 Exam Questions and
Answers | Already Graded A+
Access Layer - ANSWER ✔✔The layer that provides network access.
Ex. Local Area Network (LAN)
ACK (acknowledgement message) - ANSWER ✔✔the part of the
ARQ algorithm that lets the sender know that the package has been
correctly received without errors.
Address Resolution - ANSWER ✔✔the process of translating the
application layer address (or server name) of the destination into a
, network layer address, and in turn translate that into a data link layer
address
Server Name Resolution - ANSWER ✔✔translation of application
layer addresses into network layer addresses and is done using the
Domain Name Service (DNS) (Ex. Website URL to IP address)
ARP (Address Resolution Protocol) - ANSWER ✔✔A core protocol in
the TCP/IP suite that belongs in the Network layer of the OSI model.
ARP obtains the MAC (physical) address of a host, or node, and then
creates a local database that maps the MAC address to the host's IP
(logical) address.
ARQ (Automatic Repeat reQuest) - ANSWER ✔✔when a receiver
that detects an error simply asks the sender to retransmit the message
until it is received without error.
Asychronous Transmission - ANSWER ✔✔often referred to as start-
stop transmission because the transmitting computer can transmit a
character whenever it is convenient, and the receiving computer will
accept that character.
Baselining - ANSWER ✔✔when designers must review the list of
applications that will use the network and identify the location of each,
and the information is added to the emerging network documentation.
2026 Exam Questions and
Answers | Already Graded A+
Access Layer - ANSWER ✔✔The layer that provides network access.
Ex. Local Area Network (LAN)
ACK (acknowledgement message) - ANSWER ✔✔the part of the
ARQ algorithm that lets the sender know that the package has been
correctly received without errors.
Address Resolution - ANSWER ✔✔the process of translating the
application layer address (or server name) of the destination into a
, network layer address, and in turn translate that into a data link layer
address
Server Name Resolution - ANSWER ✔✔translation of application
layer addresses into network layer addresses and is done using the
Domain Name Service (DNS) (Ex. Website URL to IP address)
ARP (Address Resolution Protocol) - ANSWER ✔✔A core protocol in
the TCP/IP suite that belongs in the Network layer of the OSI model.
ARP obtains the MAC (physical) address of a host, or node, and then
creates a local database that maps the MAC address to the host's IP
(logical) address.
ARQ (Automatic Repeat reQuest) - ANSWER ✔✔when a receiver
that detects an error simply asks the sender to retransmit the message
until it is received without error.
Asychronous Transmission - ANSWER ✔✔often referred to as start-
stop transmission because the transmitting computer can transmit a
character whenever it is convenient, and the receiving computer will
accept that character.
Baselining - ANSWER ✔✔when designers must review the list of
applications that will use the network and identify the location of each,
and the information is added to the emerging network documentation.
