CompTIA N10-009 Valid Test Syllabus, N10-009 Certified Questions

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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Selection and configuration of wireless devices.
Topic 2	OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 3	Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and

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Quiz N10-009 - Latest CompTIA Network+ Certification Exam Valid Test Syllabus

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CompTIA Network+ Certification Exam Sample Questions (Q187-Q192):

NEW QUESTION # 187
Which of the following is used to stage copies of a website closer to geographically dispersed users?

A. SAN
B. CDN
C. SDN
D. VPN

Answer: B

Explanation:
A Content Delivery Network (CDN) caches website content across multiple geographically distributed servers to reduce latency and improve load times for users worldwide.
Breakdown of Options:
A: VPN - Encrypts network connections, does not distribute website content.
B: CDN - # Correct answer. A network of caching servers that delivers web content faster.
C: SAN - Storage Area Network, not related to web content distribution.
D: SDN - Software-defined networking, which controls network flows but does not stage website content.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 1.5: Compare and contrast different networking services.

NEW QUESTION # 188
A network technician receives a ticket from an employee who is working on PC 1 but is unable to connect to the database server. The technician pings the database server from PC 1, but the request times out. After reviewing the utilization of Switch 1 and Switch 2, the technician finds high CPU utilization and sees that the MAC table is continuously changing.
INSTRUCTIONS
Configure Switch 1 and Switch 2 to remediate the employee ' s issue. Then, validate connectivity between PC
1 and the database server.
Switch 1 and Switch 2 are already in configuration mode. Type help to view a list of available commands.

Answer:

Explanation:
See the solution in Explanation below.
Explanation:
Switch 1
spanning-tree vlan 10 root primary
spanning-tree vlan 20 root secondary
Switch 2
spanning-tree vlan 20 root primary
spanning-tree vlan 10 root secondary
This PBQ is pointing to a switching loop / MAC flapping problem. The biggest clues are the high CPU utilization and the fact that the MAC table is continuously changing . That behavior is classic for a Layer 2 loop when redundant links exist between switches and no proper spanning-tree root role has been established.
The available commands shown in the screenshots are limited to spanning-tree vlan , so this is not an interface shutdown question. The fix is to use STP per VLAN and make one switch the preferred root for one VLAN and the other switch the preferred root for the other VLAN. That prevents both uplinks from forwarding in an uncontrolled loop while still giving redundancy.
A clean design is:
* Switch 1 root primary for VLAN 10
* Switch 2 root primary for VLAN 20
* Make each opposite switch root secondary for failover
That stabilizes Layer 2 forwarding, stops MAC address flapping, reduces CPU load, and restores normal connectivity. After applying the STP root settings, the user should be able to ping 192.168.1.31 from PC 1 successfully. If your simulator asks for validation, run the ping again from PC 1 to the database server.

NEW QUESTION # 189
Which of the following focuses on application delivery?

A. PaaS
B. SaaS
C. IaaS
D. DaaS

Answer: B

Explanation:
Platform as a Service (PaaS) focuses on application delivery. It provides a platform for developers to build, deploy, and manage their applications without having to worry about the underlying infrastructure. PaaS providers typically offer a variety of services, such as:
Operating system
Programming languages
Databases
Web servers
Application servers
Storage
Networking
Load balancing
Monitoring
PaaS can be a good option for businesses that want to develop and deploy applications quickly and easily, without having to worry about the underlying infrastructure.

NEW QUESTION # 190
Which of the following network cables involves bounding light off of protective cladding?

A. Single-mode
B. Coaxial
C. Multimode
D. Twinaxial

Answer: C

Explanation:
Multimode fiber optic cables involve the transmission of light signals that bounce off the core's cladding as they travel down the fiber. This characteristic differentiates it from single-mode fiber, where the light travels directly down the fiber without reflecting off the cladding.
Here are some detailed points about multimode fiber cables:
* Construction: Multimode fibers have a larger core diameter, typically 50 or 62.5 microns, compared to single-mode fibers, which have a core diameter of about 9 microns.
* Light Propagation: The larger core of multimode fiber allows multiple light modes to propagate.
These modes travel at different angles, leading to reflections off the core-cladding boundary.
* Distance and Bandwidth: Due to modal dispersion, where different light modes arrive at the receiver at different times, multimode fibers are suited for shorter distance applications compared to single- mode fibers. Typical distances are up to 550 meters for 10 Gbps Ethernet using OM4 multimode fiber.
* Applications: Multimode fibers are commonly used in LANs (Local Area Networks), data centers, and for shorter distance data transmission due to their cost-effectiveness and ease of installation.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide, which covers fiber optic technologies, including the differences between multimode and single-mode fibers.
* Cisco Networking Academy: Provides training materials and reference guides on the properties of different fiber optic cables.
* Fiber Optic Association (FOA): A professional society dedicated to fiber optics, offering extensive information and certification on fiber optic technologies.
Multimode fibers are specifically designed for short-range communication with higher data rates and are typically used in environments like data centers, where high bandwidth over shorter distances is crucial. The reflections off the cladding, inherent to multimode fiber, facilitate this high-capacity communication.

NEW QUESTION # 191
While troubleshooting a VoIP handset connection, a technician's laptop is able to successfully connect to network resources using the same port. The technician needs to identify the port on the switch. Which of the following should the technician use to determine the switch and port?

A. IKE
B. VLAN
C. LLDP
D. netstat

Answer: C

Explanation:
Link Layer Discovery Protocol (LLDP) is a network protocol used for discovering devices and their capabilities on a local area network, primarily at the data link layer (Layer 2). It helps in identifying the connected switch and the specific port to which a device is connected. When troubleshooting a VoIP handset connection, the technician can use LLDP to determine the exact switch and port where the handset is connected. This protocol is widely used in network management to facilitate the discovery of network topology and simplify troubleshooting.

NEW QUESTION # 192
......

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CompTIA N10-009 Valid Test Syllabus, N10-009 Certified Questions

CompTIA N10-009 Exam Syllabus Topics:

Quiz N10-009 - Latest CompTIA Network+ Certification Exam Valid Test Syllabus

CompTIA Network+ Certification Exam Sample Questions (Q187-Q192):

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