1|Page
WGU D315 OBJECTIVE ASSESSMENT NEWEST
2025 ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW!!
What is layer 7 of the osi model? - ANSWER-Application
layer of the osi model that interacts with application programs
that incorporate a communication component such as your
internet browser and email - ANSWER-application
layer of the osi model that is also responsible for logging the
message in, interpreting the request, and determining what
information is needed to support the request - ANSWER-
aPplication
Hypertext Transfer Protocol (HTTP) for web browsing, File
Transfer Protocol (FTP) for transferring files, and Simple Mail
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Transfer Protocol (SMTP) for email transmission are examples
of which osi model layer? - ANSWER-applicatioN
What is step one of the three basic steps in the process of
isolating a network problem? - ANSWER-Is the connection to
the machine down (layer 1)
What is step two of the three basic steps in the process of
isolating a network problem? - ANSWER-Is the network down?
layer 3
What is step three of the three basic steps in the process of
isolating a network problem? - ANSWER-Is a service on a
specific machine down? layer 7
A reply from" response from a ping indicates whate?" -
ANSWER-A connection to the server is up
A request timed out" response from a ping indicates what?" -
ANSWER-the network connection is down
What is the function of the data link layer of the osi model? -
ANSWER-to provide for the flow of data MAC addresses
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What is the function of the network layer? - ANSWER-to
provide routing decisions IP, IPX
What is the function of the transport layer of the osi model? -
ANSWER-to ensure error free packets
What is the function of the session layer of the osi model? -
ANSWER-to establish, manage, and terminate NFS, SQL
sessions
What is the function of the presentation layer of the osi model? -
ANSWER-to ensure protocol conversion, data transactions
ASCII, JPEG
What is function of the application layer of the osi model? -
ANSWER-to support applications HTTP, FTP, and
SMTP(email)
Which networking protocol is used in most modern computer
networks? - ANSWER-Ethernet
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A carrier sense multiple access with collision detection protocol
for local area networks - ANSWER-Ethernet
Must have the capability to detect data collisions (collision
detection) to avoid two or more computers from attempting to
broadcast a message at the same time. - ANSWER-Ethernet
systems
Provide grouping of information for transmission - ANSWER-
packet
What does the header of a packet consist of? - ANSWER-The
preamble, start frame delimiter, destination and source
addresses, and length/type field
Preamble, start frame delimiter, destination mac address, source
address, length/type, data, pad, and frame check sequence. -
ANSWER-The structure of the Ethernet frame
An alternating pattern of 1s and 0s used for synchronization -
ANSWER-The preamble of an Ethernet packet
WGU D315 OBJECTIVE ASSESSMENT NEWEST
2025 ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW!!
What is layer 7 of the osi model? - ANSWER-Application
layer of the osi model that interacts with application programs
that incorporate a communication component such as your
internet browser and email - ANSWER-application
layer of the osi model that is also responsible for logging the
message in, interpreting the request, and determining what
information is needed to support the request - ANSWER-
aPplication
Hypertext Transfer Protocol (HTTP) for web browsing, File
Transfer Protocol (FTP) for transferring files, and Simple Mail
,2|Page
Transfer Protocol (SMTP) for email transmission are examples
of which osi model layer? - ANSWER-applicatioN
What is step one of the three basic steps in the process of
isolating a network problem? - ANSWER-Is the connection to
the machine down (layer 1)
What is step two of the three basic steps in the process of
isolating a network problem? - ANSWER-Is the network down?
layer 3
What is step three of the three basic steps in the process of
isolating a network problem? - ANSWER-Is a service on a
specific machine down? layer 7
A reply from" response from a ping indicates whate?" -
ANSWER-A connection to the server is up
A request timed out" response from a ping indicates what?" -
ANSWER-the network connection is down
What is the function of the data link layer of the osi model? -
ANSWER-to provide for the flow of data MAC addresses
,3|Page
What is the function of the network layer? - ANSWER-to
provide routing decisions IP, IPX
What is the function of the transport layer of the osi model? -
ANSWER-to ensure error free packets
What is the function of the session layer of the osi model? -
ANSWER-to establish, manage, and terminate NFS, SQL
sessions
What is the function of the presentation layer of the osi model? -
ANSWER-to ensure protocol conversion, data transactions
ASCII, JPEG
What is function of the application layer of the osi model? -
ANSWER-to support applications HTTP, FTP, and
SMTP(email)
Which networking protocol is used in most modern computer
networks? - ANSWER-Ethernet
, 4|Page
A carrier sense multiple access with collision detection protocol
for local area networks - ANSWER-Ethernet
Must have the capability to detect data collisions (collision
detection) to avoid two or more computers from attempting to
broadcast a message at the same time. - ANSWER-Ethernet
systems
Provide grouping of information for transmission - ANSWER-
packet
What does the header of a packet consist of? - ANSWER-The
preamble, start frame delimiter, destination and source
addresses, and length/type field
Preamble, start frame delimiter, destination mac address, source
address, length/type, data, pad, and frame check sequence. -
ANSWER-The structure of the Ethernet frame
An alternating pattern of 1s and 0s used for synchronization -
ANSWER-The preamble of an Ethernet packet
