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CompTIA N10-008 Sample Questions
Question # 1
A company has multiple offices around the world. The computer rooms in some office locations are too warm
Dedicated sensors are in each room, but the process of checking each sensor takes a long time. Which of the
following options can the company put In place to automate temperature readings with internal resources?
A. Implement NetFlow. B. Hire a programmer to write a script to perform the checks C. Utilize ping to measure the response. D. Use SNMP with an existing collector server
Answer: D Explanation SNMP (Simple Network Management Protocol) is a protocol that allows network devices to communicate
with a management server. By using SNMP, the company can set up an SNMP agent on each sensor, which
will report its temperature readings to an existing collector server. This will enable the company to monitor the
temperatures of all their sensors in real-time without the need for manual checks. Additionally, SNMP's
scalability means that even if the company adds more rooms or sensors, the existing system can be easily
expanded to accommodate them.
Question # 2
A network administrator is adding a new switch to the network. Which of the following network hardening
techniques would be BEST to use once the switch is in production?
A. Disable unneeded ports B. Disable SSH service C. Disable MAC filtering D. Disable port security
Answer: A
Question # 3
A technician is configuring a static IP address on a new device in a newly created subnet. The work order
specifies the following requirements:. The IP address should use the highest address available in the subnet.. The default gateway needs to be set to 172.28.85.94.. The subnet mask needs to be 255.255.255.224.Which of the following addresses should the engineer apply to the device?
A. 172.28.85.93 B. 172.28.85.95 C. 172.28.85.254 D. 172.28.85.255
A network technician 13 troubleshooting a specific port on a switch. Which of the following commands should
the technician use to see the port configuration?
A. show route B. show Interface C. show arp D. show port
Answer: B Explanation To see the configuration of a specific port on a switch, the network technician should use the "show interface"
command. This command provides detailed information about the interface, including the current
configuration, status, and statistics for the interface.
Question # 5
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 network. VNC can enable staff members to work remotely by accessing their 2
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 gateway is a method that allows remote access and control of a computer’s desktop from
another device over a network using the Remote Desktop Protocol (RDP). Remote desktop gateway can also
enable staff members to work remotely by accessing their office computers from their home computers or
mobile devices. However, remote desktop gateway 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. Remote desktop
gateway 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.
Virtual LANs (VLANs) are methods that create logical subdivisions of a physical network based on criteria
such as function, department, or security level. VLANs can improve network performance, security, and
management by reducing broadcast domains, isolating traffic, and enforcing policies. However, VLANs do not
secure all traffic between a branch office and its data center, as they only work at the data link layer and do not
encrypt the network layer. VLANs also do not provide a zero-touch experience for staff members, as they need
to configure settings on their network devices to join or leave a VLAN.
Question # 6
A company, which is located in a coastal town, retrofitted an office building for a new data center. The
underground fiber optics were brought in and connected to the switches in the basement network MDF. A
server data center was built on the fifth floor with the two rooms vertically connected by fiber optics. Which of
the following types of environmental sensors is MOST needed?
A. Temperature sensor in the network MDF B. Water sensor in the network MDF C. Temperature sensor in the data center D. Water sensor in the data center
Answer: B Explanation
A water sensor is a type of environmental sensor that detects the presence of water or moisture in an area. A
water sensor is most needed in a network main distribution frame (MDF) that is located in a basement near
underground fiber-optic cables. A network MDF is a central point where all the network connections converge
and where network equipment such as switches and routers are located. If water leaks into the basement and
damages the fiber-optic cables or the network equipment, it can cause network outages, performance
degradation, or data loss. A water sensor can alert the network administrator of any water intrusion and help
prevent or minimize the damage. References:
https://www.comptia.org/training/books/network-n10-008-study-guide (page 446)
Question # 7
In which of the following components do routing protocols belong in a software-defined network?
A. Infrastructure layer B. Control layer C. Application layer D. Management plane
Answer: B Explanation A software-defined network (SDN) is a network architecture that decouples the control plane from the data
plane and centralizes the network intelligence in a software controller. The control plane is the part of the
network that makes decisions about how to route traffic, while the data plane is the part of the network that
forwards traffic based on the control plane’s instructions. The control layer is the layer in an SDN that contains
the controller and the routing protocols that communicate with the network devices. The control layer is
responsible for managing and configuring the network devices and providing them with the necessary
information to forward traffic. References:
https://www.comptia.org/training/books/network-n10-008-study-guide (page 378)
Question # 8
A network security engineer locates an unapproved wireless bridge connected to the corporate LAN that is
broadcasting a hidden SSID, providing unauthenticated access to internal resources. Which of the following
types of attacks BEST describes this finding?
A. Rogue access point Most Voted B. Evil twin C. ARP spoofing D. VLAN hopping
Answer: A Explanation
A rogue access point is an illegitimate access point plugged into a network to create a bypass from outside into
the legitimate network. By contrast, an evil twin is a copy of a legitimate access point.
Question # 9
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 resources they need and no more. This
helps to reduce the risk of unauthorized access or misuse of the network. References and further information
can be found in the CompTIA Network+ Study Manual, Chapter 8, Access Control. RBAC is a method of restricting network access based on the roles of individual users within the organization.
With RBAC, users are granted access only to the resources they need to perform their specific job functions.
This approach reduces the risk of unauthorized access, provides greater visibility into user activity, and
simplifies network management. Changing the default permissions to implicit deny may improve security, but it could also cause issues for
legitimate users who require access to specific resources. Configuring uniform ACLs and NAC for contractors
is a step in the right direction, but it may not be enough to address the overall lack of a formal process for
granting network permissions. Deploying an RDP server to centralize access to the network is not a viable
solution, as it would not address the root cause of the security incidents. Therefore, the most appropriate option is to implement role-based access control. Reference: CompTIA
Network+ Study Guide, Fourth Edition, Chapter 7, section 7.4.
Question # 10
During the troubleshooting of an E1 line, the point-to-point link on the core router was accidentally unplugged
and left unconnected for several hours. However, the network management team was not notified. Which of
the following could have been configured to allow early detection and possible resolution of the issue?
A. Traps B. MIB C. OID D. Baselines
Answer: A Explanation
Traps are unsolicited messages sent by network devices to a network management system (NMS) when an
event or a change in status occurs. Traps can help notify the network management team of any issues or
problems on the network, such as a link failure or a device reboot. Traps can also trigger actions or alerts on
the NMS, such as sending an email or logging the event. MIB stands for Management Information Base and is
a database of information that can be accessed and managed by an NMS using SNMP (Simple Network
Management Protocol). OID stands for Object Identifier and is a unique name that identifies a specific variable
in the MIB. Baselines are measurements of normal network performance and behavior that can be used for
comparison and analysis.
References: CompTIA Network+ Certification Exam Objectives Version 7.0 (N10-007), Objective 2.5: Given
a scenario, use remote access methods.
Question # 11
A coffee shop owner hired a network consultant to provide recommendations for installing a new wireless
network. The coffee shop customers expect high speeds even when the network is congested. Which of the
following standards should the consultant recommend?
A. 802.11ac B. 802.11ax C. 802.11g D. 802.11n
Answer: B Explanation
802.11ax is the latest and most advanced wireless standard, providing higher speeds, lower latency, and more
capacity than previous standards. It also supports OFDMA, which allows multiple devices to share a channel
and reduce congestion. The other options are older standards that have lower bandwidth, range, and efficiency
than 802.11ax. Therefore, 802.11ax is the best option for the coffee shop owner who wants to provide high
speeds even when the network is congested.
Question # 12
An engineer is using a tool to run an ICMP sweep of a network to find devices that are online. When
reviewing the results, the engineer notices a number of workstations that are currently verified as being online
are not listed in the report.The tool was configured to scan using the following information:Network address: 172.28.16.0
CIDR: /22The engineer collected the following information from the client workstation:
IP address: 172.28.17.206
Subnet mask: 255.255.252.0
Which of the following MOST likely explains why the tool is failing to detect some workstations?
A. The scanned network range is incorrect. B. The subnet mask on the client is misconfigured. C. The workstation has a firewall enabled. D. The tool is unable to scan remote networks.
Answer: C Explanation A firewall is a device or software that filters and controls the incoming and outgoing network traffic based on
predefined rules. A firewall can block ICMP packets, which are used for ping and other diagnostic tools. If the
workstation has a firewall enabled, it may not respond to the ICMP sweep and appear as offline. The engineer
should check the firewall settings on the workstation and allow ICMP traffic if needed.
References: Network+ Study Guide Objective 4.1: Given a scenario, use the appropriate tool.
Question # 13
A consultant is working with two international companies. The companies will be sharing cloud resources for
a project. Which of the following documents would provide an agreement on how to utilize the resources?
A. MOU B. NDA C. AUP D. SLA
Answer: A Explanation
A memorandum of understanding (MOU) is a document that describes an agreement between two or more
parties on how to utilize shared resources for a project. An MOU is not legally binding, but it outlines the
expectations and responsibilities of each party involved in the collaboration. An MOU can be used when two
international companies want to share cloud resources for a project without creating a formal contract.
References: https://www.comptia.org/training/books/network-n10-008-study-guide (page 405)
Question # 14
A PC user who is on a local network reports very slow speeds when accessing files on the network server The
user's PC Is connecting, but file downloads are very slow when compared to other users' download speeds The
PC's NIC should be capable of Gigabit Ethernet. Which of the following will MOST likely fix the issue?
A. Releasing and renewing the PC's IP address B. Replacing the patch cable C. Reseating the NIC inside the PC D. Flushing the DNS cache
Answer: B Explanation
A slow download speed can be caused by a faulty patch cable, which is the cable used to connect the user's PC
to the network server. If the patch cable is damaged, the connection will be slower than expected, resulting in
slow download speeds. Replacing the patch cable is the most likely solution to this issue, as it will provide a
new, reliable connection that should allow for faster download speeds.
Question # 15
Which of the following would be BEST suited for use at the access layer in a three-tier architecture system?
A. Router B. Multilayer switch C. Layer 2 switch D. Access point
Answer: C Explanation A layer 2 switch is a device that forwards traffic based on MAC addresses within a single network segment or
VLAN. A layer 2 switch is best suited for use at the access layer in a three-tier architecture system. The access
layer is the layer that connects end devices such as computers, printers, and phones to the network. A layer 2
switch can provide fast and efficient switching for end devices without adding complexity or overhead to the
network. References: https://www.comptia.org/training/books/network-n10-008-study-guide (page 139)
Question # 16
After HVAC failures caused network outages, the support team decides to monitor the temperatures of all the
devices. The network administrator cannot find a command that will display this information. Which of the
following will retrieve the necessary information?
A. SNMP OID values B. NetFlow data export C. Network baseline configurations D. Security information and event management
Answer: A Explanation The network administrator can use the Simple Network Management Protocol (SNMP) to monitor the
temperatures of all the devices. SNMP is a widely-used protocol for managing and monitoring network
devices, such as routers, switches, servers, and other networking equipment. SNMP allows network
administrators to gather information about the performance and status of devices on the network, including
temperature readings. To retrieve the temperature information, the administrator will have to configure SNMP on the devices and
configure SNMP manager software on their computer. Once the SNMP manager software is configured, it will
be able to send SNMP requests to the devices and retrieve information such as temperature, voltage, fan
speeds, etc. Many network devices have built-in SNMP support, and the administrator may also need to install
SNMP agent software on the devices to enable SNMP monitoring. The administrator can also use some specific command or tool like IPMI (Intelligent Platform Management
Interface) or DCIM (Data Center Infrastructure Management) tools for monitoring the temperatures of all the
devices.
Question # 17
Which of the following would be the MOST likely attack used to bypass an access control vestibule?
A. Tailgating B. Phishing C. Evil twin D. Brute-force
Answer: A Explanation
Tailgating is when someone follows an authorized person into a restricted area without having the proper
credentials. This is usually done by pretending to be with the authorized person, or by offering assistance.
Tailgating is a social engineering attack and does not require any technical skill.
Question # 18
An attacker targeting a large company was able to inject malicious A records into internal name resolution
servers. Which of the following attack types was MOST likely used?
A. DNS poisoning B. On-path C. IP spoofing D. Rogue DHCP
Answer: A
Question # 19
Which of the following can be used to validate domain ownership by verifying the presence of pre-agreed
content contained in a DNS record?
A. SOA B. SRV C. AAA D. TXT
Answer: D Explanation "One final usage of the TXT resource record is how some cloud service providers, such as Azure, validate
ownership of custom domains. You are provided with data to include in your TXT record, and once that is
created, the domain is verified and able to be used. The thought is that if you control the DNS, then you own
the domain name."
Question # 20
A company is considering shifting its business to the cloud. The management team is concerned at the availability of the third-party cloud service. Which of the following should the management team consult to determine the promised availability of the cloud provider?
A. Memorandum of understanding B. Business continuity plan C. Disaster recovery plan D. Service-level agreement
Answer: D ExplanationA Service-level agreement (SLA) is a document that outlines the responsibilities of a cloud service provider and the customer. It typically includes the agreed-upon availability of the cloud service provider, the expected uptime for the service, and the cost of any downtime or other service interruptions. Consulting the SLA is the best way for the management team to determine the promised availability of the cloud provider. Reference:CompTIA Cloud+ Study Guide, 6th Edition, page 28.
