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California Low Voltage Systems Contractor (C-7) License
Actual Exam Questions And Correct Detailed Answers
(100% Verified Answers) Plus Rationales 2025/2026
|Guaranteed Pass A+ Grade.
NO.1 An administrator notices that after contact with several switches in an MDF they failed due to electrostatic
discharge. Which of the Mowing sensors should the administrator deploy to BEST monitor static electricity
conditions in the MDF?
A. Temperature
B. Humidity
C. Smoke
D. Electrical - ✓✓Answer: B
Explanation:
"Humidity control prevents the buildup of static electricity and reduces the chances of electronic components
becoming vulnerable to damage from electrostatic shock; not only can very low humidity lead to increased static
electricity, but it can also contribute to health problems, such as skin irritation."
NO.2 An ISP configured an internet connection to provide 20Mbps, but actual data rates are
occurring at 10Mbps and causing a significant delay in data transmission. Which of the following
specifications should the ISP check?
A. Throughput
B. Latency
C. Bandwidth
D. Jitter - ✓✓Answer: A
Explanation:
Throughput is the actual amount of data that can be transferred over a network in a given time.
Throughput can be affected by various factors such as congestion, interference, errors, or hardware
limitations. If the throughput is lower than the configured internet connection speed, it can cause a
significant delay
NO.3 SIMULATION
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You have been tasked with setting up a wireless network in an office. The network will consist of 3
Access Points and a single switch. The network must meet the following parameters:
The SSIDs need to be configured as CorpNet with a key of S3cr3t!
The wireless signals should not interfere with each other
The subnet the Access Points and switch are on should only support 30 devices maximum The Access
Points should be configured to only support TKIP clients at a maximum speed INSTRUCTONS Click on
the wireless devices and review their information and adjust the settings of the access points to meet
the given requirements.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All
button. - ✓✓No Image of answer ???/ has to be printed out image
NO.4 A network technician is installing an analog desk phone for a new receptionist After running a
new phone line, the technician now needs to cnmp on a new connector. Which of the following
connectors would MOST likely be used in this case?
A. DB9
B. RJ11
C. RJ45
D. DB25 - ✓✓Answer: B
Explanation:
RJ11 is a type of connector that is commonly used for analog phone lines. RJ11 has four wires and six
positions, but only two or four of them are used. A technician can crimp an RJ11 connector to a new
phone line to install an analog desk phone for a new receptionist. Reference:
https://www.comptia.org/blog/what-is-rj11
NO.5 A network technician recently installed 35 additional workstations. After installation, some
users are unable to access network resources. Many of the original workstations that are
experiencing the network access issue were offline when the new workstations were turned on. Which of the
following is the MOST likely cause of this issue?
A. Incorrect VLAN setting
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B. Insufficient DHCP scope
C. Improper NIC setting
D. Duplicate IP address - ✓✓Answer: B
NO.6 Which of the following provides redundancy on a file server to ensure the server is still
connected to a LAN even in the event of a port failure on a switch?
A. NIC teaming
B. Load balancer
C. RAID array
D. PDUs - ✓✓Answer: A
Explanation:
NIC teaming, also known as network interface card teaming or link aggregation, allows multiple
network interface cards to be grouped together to provide redundancy and increased throughput. In
the event of a port failure on a switch, NIC teaming ensures that the file server remains connected to
the LAN by automatically switching to another network interface card.
NO.7 The lack of a formal process to grant network permissions to different profiles of employees
and contractors is leading to an increasing number of security incidents Non-uniform and overly
permissive network accesses are being granted. Which of the following would be the MOST
appropriate method to improve the security of the environment?
A. Change the default permissions to implicit deny
B. Configure uniform ACLs to employees and NAC for contractors.
C. Deploy an RDP server to centralize the access to the network
D. Implement role-based access control - ✓✓Answer: D
Explanation:
The most appropriate method to improve the security of the environment would be to implement
role-based access control (RBAC). With RBAC, users are granted access to the network based on their
role within the organization. This allows for more granular access control, as different roles may
require different levels of access. Additionally, this ensures that users only have access to the
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resources they need and no more. This helps to reduce the risk of unauthorized access or misuse of
the network.
NO.8 A corporation is looking for a method to secure all traffic between a branch office and its data
center in order to provide a zero-touch experience for all staff members who work there. Which of
the following would BEST meet this requirement?
A. Site-to-site VPN
B. VNC
C. Remote desktop gateway
D. Virtual LANs - ✓✓Answer: A
Explanation:
A site-to-site VPN is a method that creates a secure and encrypted connection between two internet
gateways, such as routers or firewalls, that belong to different networks1. A site-to-site VPN can
secure all traffic between a branch office and its data center by creating a virtual tunnel that protects
the data from interception or tampering. A site-to-site VPN can also provide a zero-touch experience
for all staff members who work there, as they do not need to install any software or configure any
settings on their devices to access the data center resources. They can simply use their local network
as if they were physically connected to the data center network.
VNC (Virtual Network Computing) is a method that allows remote access and control of a computer's
desktop from another device over a network2. VNC can enable staff members to work remotely by
accessing their office computers from their home computers or mobile devices. However, VNC does
not secure all traffic between a branch office and its data center, as it only works at the application
layer and does not encrypt the network layer. VNC also does not provide a zero-touch experience for
staff members, as they need to install software and configure settings on both the host and the client
devices.
Remote desktop
NO.9 A network administrator responds to a support ticket that was submitted by a customer who is
having issues connecting to a website inside of the company network The administrator verities that the
customer could not connect to a website using a URL Which of the following troubleshooting
California Low Voltage Systems Contractor (C-7) License
Actual Exam Questions And Correct Detailed Answers
(100% Verified Answers) Plus Rationales 2025/2026
|Guaranteed Pass A+ Grade.
NO.1 An administrator notices that after contact with several switches in an MDF they failed due to electrostatic
discharge. Which of the Mowing sensors should the administrator deploy to BEST monitor static electricity
conditions in the MDF?
A. Temperature
B. Humidity
C. Smoke
D. Electrical - ✓✓Answer: B
Explanation:
"Humidity control prevents the buildup of static electricity and reduces the chances of electronic components
becoming vulnerable to damage from electrostatic shock; not only can very low humidity lead to increased static
electricity, but it can also contribute to health problems, such as skin irritation."
NO.2 An ISP configured an internet connection to provide 20Mbps, but actual data rates are
occurring at 10Mbps and causing a significant delay in data transmission. Which of the following
specifications should the ISP check?
A. Throughput
B. Latency
C. Bandwidth
D. Jitter - ✓✓Answer: A
Explanation:
Throughput is the actual amount of data that can be transferred over a network in a given time.
Throughput can be affected by various factors such as congestion, interference, errors, or hardware
limitations. If the throughput is lower than the configured internet connection speed, it can cause a
significant delay
NO.3 SIMULATION
, Page |2
You have been tasked with setting up a wireless network in an office. The network will consist of 3
Access Points and a single switch. The network must meet the following parameters:
The SSIDs need to be configured as CorpNet with a key of S3cr3t!
The wireless signals should not interfere with each other
The subnet the Access Points and switch are on should only support 30 devices maximum The Access
Points should be configured to only support TKIP clients at a maximum speed INSTRUCTONS Click on
the wireless devices and review their information and adjust the settings of the access points to meet
the given requirements.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All
button. - ✓✓No Image of answer ???/ has to be printed out image
NO.4 A network technician is installing an analog desk phone for a new receptionist After running a
new phone line, the technician now needs to cnmp on a new connector. Which of the following
connectors would MOST likely be used in this case?
A. DB9
B. RJ11
C. RJ45
D. DB25 - ✓✓Answer: B
Explanation:
RJ11 is a type of connector that is commonly used for analog phone lines. RJ11 has four wires and six
positions, but only two or four of them are used. A technician can crimp an RJ11 connector to a new
phone line to install an analog desk phone for a new receptionist. Reference:
https://www.comptia.org/blog/what-is-rj11
NO.5 A network technician recently installed 35 additional workstations. After installation, some
users are unable to access network resources. Many of the original workstations that are
experiencing the network access issue were offline when the new workstations were turned on. Which of the
following is the MOST likely cause of this issue?
A. Incorrect VLAN setting
, Page |3
B. Insufficient DHCP scope
C. Improper NIC setting
D. Duplicate IP address - ✓✓Answer: B
NO.6 Which of the following provides redundancy on a file server to ensure the server is still
connected to a LAN even in the event of a port failure on a switch?
A. NIC teaming
B. Load balancer
C. RAID array
D. PDUs - ✓✓Answer: A
Explanation:
NIC teaming, also known as network interface card teaming or link aggregation, allows multiple
network interface cards to be grouped together to provide redundancy and increased throughput. In
the event of a port failure on a switch, NIC teaming ensures that the file server remains connected to
the LAN by automatically switching to another network interface card.
NO.7 The lack of a formal process to grant network permissions to different profiles of employees
and contractors is leading to an increasing number of security incidents Non-uniform and overly
permissive network accesses are being granted. Which of the following would be the MOST
appropriate method to improve the security of the environment?
A. Change the default permissions to implicit deny
B. Configure uniform ACLs to employees and NAC for contractors.
C. Deploy an RDP server to centralize the access to the network
D. Implement role-based access control - ✓✓Answer: D
Explanation:
The most appropriate method to improve the security of the environment would be to implement
role-based access control (RBAC). With RBAC, users are granted access to the network based on their
role within the organization. This allows for more granular access control, as different roles may
require different levels of access. Additionally, this ensures that users only have access to the
, Page |4
resources they need and no more. This helps to reduce the risk of unauthorized access or misuse of
the network.
NO.8 A corporation is looking for a method to secure all traffic between a branch office and its data
center in order to provide a zero-touch experience for all staff members who work there. Which of
the following would BEST meet this requirement?
A. Site-to-site VPN
B. VNC
C. Remote desktop gateway
D. Virtual LANs - ✓✓Answer: A
Explanation:
A site-to-site VPN is a method that creates a secure and encrypted connection between two internet
gateways, such as routers or firewalls, that belong to different networks1. A site-to-site VPN can
secure all traffic between a branch office and its data center by creating a virtual tunnel that protects
the data from interception or tampering. A site-to-site VPN can also provide a zero-touch experience
for all staff members who work there, as they do not need to install any software or configure any
settings on their devices to access the data center resources. They can simply use their local network
as if they were physically connected to the data center network.
VNC (Virtual Network Computing) is a method that allows remote access and control of a computer's
desktop from another device over a network2. VNC can enable staff members to work remotely by
accessing their office computers from their home computers or mobile devices. However, VNC does
not secure all traffic between a branch office and its data center, as it only works at the application
layer and does not encrypt the network layer. VNC also does not provide a zero-touch experience for
staff members, as they need to install software and configure settings on both the host and the client
devices.
Remote desktop
NO.9 A network administrator responds to a support ticket that was submitted by a customer who is
having issues connecting to a website inside of the company network The administrator verities that the
customer could not connect to a website using a URL Which of the following troubleshooting
