WGU D315 PRACTICE EXAM QUESTIONS
AND ANSWERS
Which OSI model layer does a router operate? - ANSWER Layer 3 (network)
If the network admin needs to know if a computer is connected to the network
and can respond, which tool should the admin use? - ANSWER Ping
Which device connects two networks, forwarding traffic without analysis for
which the host receives the data? - ANSWER bridge
At which layer of the OSI model does IP address route and source and
destination IP traffic? - ANSWER layer 3
A network admin is configuring an application and needs to be sure that port
4432 is open. Which of the following tools should the admin use? - ANSWER
nmap
TCP is used on IP networks to - ANSWER to ensure the integrity and
reliability of data communications on networks and is a Layer 4 protocol
(t/f) A switch is a layer 1 device and unlike a hub, it creates a direct connection
to devices on the network - ANSWER false
(t/f) Because MAC addressing is a layer 3 protocol, it is wise to choose a router
that can use MAC addresses to transverse the internet - ANSWER false
AND ANSWERS
Which OSI model layer does a router operate? - ANSWER Layer 3 (network)
If the network admin needs to know if a computer is connected to the network
and can respond, which tool should the admin use? - ANSWER Ping
Which device connects two networks, forwarding traffic without analysis for
which the host receives the data? - ANSWER bridge
At which layer of the OSI model does IP address route and source and
destination IP traffic? - ANSWER layer 3
A network admin is configuring an application and needs to be sure that port
4432 is open. Which of the following tools should the admin use? - ANSWER
nmap
TCP is used on IP networks to - ANSWER to ensure the integrity and
reliability of data communications on networks and is a Layer 4 protocol
(t/f) A switch is a layer 1 device and unlike a hub, it creates a direct connection
to devices on the network - ANSWER false
(t/f) Because MAC addressing is a layer 3 protocol, it is wise to choose a router
that can use MAC addresses to transverse the internet - ANSWER false
