SECURITY FOUNDATIONS D481 OA EXAM 2
2026 CONTROLS MODULE SOLVED ITEMS
AND RESPONSE KEY
◉ a. Physical. Answer: Which of the following layers deals with the
serial transfer of data?
a. Physical
b. Data Link
c. Network
d. Session
◉ c. Network. Answer: You need to install a router on your
company's network that will allow access to the internet. What layer
of OSI does this device reside on?
a. Physical
b. Data Link
c. Network
d. Transport
◉ d. Layer 4 (Transport). Answer: You run a netstat -an command in
the command prompt and notice many connections being made that
say TCP in the left-most column. What layer of the OSI is TCP
referring to?
,a. Layer 1 (Physical)
b. Layer 2 (Data Link)
c. Layer 3 (Network)
d. Layer 4 (Transport)
◉ b. Data Link. Answer: You suspect a problem with your
computer's network adapter and it's ability to send the correct
frames of data that correspond with the network architecture used
by the rest of your computers. What layer should you attempt use as
a troubleshooting starting point?
a. Physical
b. Data Link
c. Network
d. Transport
◉ a. Physical. Answer: A standard such as 100BASE-T refers to which
OSI layer?
a. Physical
b. Data Link
c. Network
d. Transport
,◉ c. HTTP. Answer: Almost all of your users connect to Web sites
with Internet Explorer. They usually type domain names such as
www.microsoft.com. What protocol is initiated by default when they
press enter after typing the domain name?
a. FTP
b. HTTPS
c. HTTP
d. HTP
◉ b. ipconfig /all. Answer: You need to find out the MAC address of
your director's computer. He has given you permission to access his
computer. You access the command prompt. What command should
you type to see the computer's MAC address?
a. ipconfig
b. ipconfig /all
c. arp
d. netstat -an
◉ c. arp -a. Answer: You need to find out the MAC addresses of all
the computers that a particular user's computer has connected to in
the recent past. What command should you use to accomplish this?
a. ping 127.0.0.1
b. netstat -a
c. arp -a
, d. arp -s
◉ a. Protocol Analyzer
d. Wireshark. Answer: You have been instructed to capture and
analyze packets on a server. What tools will allow you to do this?
(Select two answers)
a. Protocol Analyzer
b. Command Prompt
c. netstat -an
d. Wireshark
◉ ICMP. Answer: The manager of IT asks you to ping his laptop to
see whether your computer can find it on the network. In this
scenario, the __________ protocol is being implemented.
◉ Layer 3. Answer: A __________ switch is one that uses logical
addressing to determine data paths.
◉ Registered. Answer: Ports 1024-49,151 are ports used by vendors
for proprietary applications. They are known as __________ ports.
◉ 21. Answer: Port _____ is used by the File Transfer Protocol.
2026 CONTROLS MODULE SOLVED ITEMS
AND RESPONSE KEY
◉ a. Physical. Answer: Which of the following layers deals with the
serial transfer of data?
a. Physical
b. Data Link
c. Network
d. Session
◉ c. Network. Answer: You need to install a router on your
company's network that will allow access to the internet. What layer
of OSI does this device reside on?
a. Physical
b. Data Link
c. Network
d. Transport
◉ d. Layer 4 (Transport). Answer: You run a netstat -an command in
the command prompt and notice many connections being made that
say TCP in the left-most column. What layer of the OSI is TCP
referring to?
,a. Layer 1 (Physical)
b. Layer 2 (Data Link)
c. Layer 3 (Network)
d. Layer 4 (Transport)
◉ b. Data Link. Answer: You suspect a problem with your
computer's network adapter and it's ability to send the correct
frames of data that correspond with the network architecture used
by the rest of your computers. What layer should you attempt use as
a troubleshooting starting point?
a. Physical
b. Data Link
c. Network
d. Transport
◉ a. Physical. Answer: A standard such as 100BASE-T refers to which
OSI layer?
a. Physical
b. Data Link
c. Network
d. Transport
,◉ c. HTTP. Answer: Almost all of your users connect to Web sites
with Internet Explorer. They usually type domain names such as
www.microsoft.com. What protocol is initiated by default when they
press enter after typing the domain name?
a. FTP
b. HTTPS
c. HTTP
d. HTP
◉ b. ipconfig /all. Answer: You need to find out the MAC address of
your director's computer. He has given you permission to access his
computer. You access the command prompt. What command should
you type to see the computer's MAC address?
a. ipconfig
b. ipconfig /all
c. arp
d. netstat -an
◉ c. arp -a. Answer: You need to find out the MAC addresses of all
the computers that a particular user's computer has connected to in
the recent past. What command should you use to accomplish this?
a. ping 127.0.0.1
b. netstat -a
c. arp -a
, d. arp -s
◉ a. Protocol Analyzer
d. Wireshark. Answer: You have been instructed to capture and
analyze packets on a server. What tools will allow you to do this?
(Select two answers)
a. Protocol Analyzer
b. Command Prompt
c. netstat -an
d. Wireshark
◉ ICMP. Answer: The manager of IT asks you to ping his laptop to
see whether your computer can find it on the network. In this
scenario, the __________ protocol is being implemented.
◉ Layer 3. Answer: A __________ switch is one that uses logical
addressing to determine data paths.
◉ Registered. Answer: Ports 1024-49,151 are ports used by vendors
for proprietary applications. They are known as __________ ports.
◉ 21. Answer: Port _____ is used by the File Transfer Protocol.
