CompTIA N10-009 Test Testking, Exam N10-009 Assessment

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CompTIA N10-009 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Security14%- Security technologies
  • 1. PKI and encryption
  • 2. Firewalls and segmentation
- Authentication and authorization
  • 1. MFA and SSO
  • 2. RADIUS and TACACS+
- Compliance and risk
  • 1. Risk and vulnerability concepts
  • 2. Compliance standards
Topic 2: Network Operations19%- Monitoring and management
  • 1. SNMP and packet capture
  • 2. Performance monitoring
- Network services
  • 1. VPN and remote access
  • 2. DNS and DHCP
- Documentation and diagrams
  • 1. Asset inventory management
  • 2. Logical and physical diagrams
- Disaster recovery
  • 1. Business continuity concepts
  • 2. Recovery metrics and backup sites
Topic 3: Network Troubleshooting24%- Troubleshooting methodology
  • 1. Problem identification
  • 2. Testing and verification
- Common network issues
  • 1. Wireless connectivity problems
  • 2. Routing and switching issues
- Performance troubleshooting
  • 1. Bandwidth bottlenecks
  • 2. Latency and packet loss
Topic 4: Network Implementation20%- Switching technologies
  • 1. VLAN configuration
  • 2. Spanning Tree Protocol
- Wireless technologies
  • 1. Wireless standards and security
  • 2. Access point configuration
- Routing technologies
  • 1. Static and dynamic routing
  • 2. NAT and routing protocols
- Physical installations
  • 1. Power and environmental considerations
  • 2. Cable management and installation
Topic 5: Networking Concepts23%- Network addressing and protocols
  • 1. IPv4 and IPv6 addressing
  • 2. Common ports and protocols
- Cloud and virtualization
  • 1. Virtual networking concepts
  • 2. Cloud deployment models
- OSI model concepts
  • 1. OSI layers and functions
  • 2. Network devices and appliances
- Network media and topologies
  • 1. Network topologies and architectures
  • 2. Wireless and wired transmission media

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CompTIA Network+ Certification Exam Sample Questions (Q39-Q44):

NEW QUESTION # 39
A network engineer needs to virtualize network services, including a router at a remote branch location. Which of the following solutions meets the requirements?

Answer: D

Explanation:
Network Functions Virtualization (NFV): NFV is a technology that virtualizes network services like routing, firewalls, and load balancers. It allows these services to run on virtual machines rather than requiring dedicated hardware. This is ideal for remote branch locations where deploying physical devices is costly and complex.
VRF (B): Virtual Routing and Forwarding is used for segmenting routing tables but does not virtualize services.
VLAN (C): Virtual Local Area Networks help segregate broadcast domains but are unrelated to virtualizing network functions.
VPC (D): Virtual Private Cloud is used for cloud computing but does not pertain to virtualizing network services.
Reference:


NEW QUESTION # 40
Users are unable to access files on their department share located on file server 2.
The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identify any issues, and configure the appropriate solution.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.





Answer:

Explanation:
See the solution in Explanation.
Explanation:
To validate routing between networks hosting Workstation A and File Server 2, follow these steps:
* Review Routing Tables:
* Check the routing tables of Router A, Router B, and Router C to identify any missing routes.
* Identify Missing Routes:
* Ensure that each router has routes to the networks on which Workstation A and File Server 2 are located.
* Add Static Routes:
* If a route is missing, add a static route to the relevant destination network via the correct interface.
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet3
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.4.0/22 is directly connected, GigabitEthernet2
C 10.0.6.0/24 is directly connected, GigabitEthernet2
L 10.0.6.1/32 is directly connected, GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet3
L 172.16.27.1/32 is directly connected, GigabitEthernet3
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet1
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.0.0/22 is directly connected, GigabitEthernet1
L 10.0.0.1/32 is directly connected, GigabitEthernet1
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.5/32 is directly connected, GigabitEthernet1
* Routing Table:
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
S 10.0.0.0/22 [1/0] via GigabitEthernet1
S 10.0.4.0/22 [1/0] via GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet2
L 172.16.27.2/32 is directly connected, GigabitEthernet2
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.6/32 is directly connected, GigabitEthernet1
* Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router C's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet3
* Install Static Route to 10.0.4.0/22 via 172.16.27.5 (assuming Router C's IP is 172.16.27.5):
Destination Prefix: 10.0.4.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
* Install Static Route to 10.0.6.0/24 via 172.16.27.2 (assuming Router A's IP is 172.16.27.2):
Destination Prefix: 10.0.6.0
Destination Prefix Mask: 255.255.255.0
Interface: GigabitEthernet2
Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router B's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
Summary of Static Routes:
* Router A:
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet3
* Router B:
* ip route 10.0.4.0 255.255.252.0 GigabitEthernet1
* Router C:
* ip route 10.0.6.0 255.255.255.0 GigabitEthernet2
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet1
These configurations ensure that each router knows the correct paths to reach Workstation A and File Server 2, resolving the connectivity issue.


NEW QUESTION # 41
A network engineer is providing basic, public network connectivity to a VPC. Which of the following should the engineer implement?

Answer: A

Explanation:
An internet gateway provides public network connectivity to a VPC by allowing resources inside the VPC to send and receive traffic from the internet.


NEW QUESTION # 42
A network architect of a stock exchange broker is implementing a disaster recovery (DR), high-availability plan. Which of the following approaches would be the best fit?

Answer: B

Explanation:
The correct answer is Active-active because a stock exchange broker requires extremely high availability, minimal downtime, and near-zero data loss. According to CompTIA Network+ (N10-009) objectives under high availability and disaster recovery concepts, an active-active configuration involves multiple systems or sites operating simultaneously and sharing the workload. If one system fails, the other continues processing traffic without service interruption.
This model provides the lowest Recovery Time Objective (RTO) and Recovery Point Objective (RPO), which is critical in financial trading environments where even seconds of downtime can result in major financial loss. Active-active architectures also support load balancing, redundancy, and continuous synchronization between systems.
A warm site (Option A) contains preconfigured hardware but may require data restoration and configuration before becoming fully operational, resulting in some downtime. A full mesh (Option C) is a network topology design and does not specifically address disaster recovery at the service level. In-band (Option D) refers to management traffic sharing the production network and is unrelated to DR strategy.
Therefore, an active-active approach is the most suitable solution for mission-critical financial operations.


NEW QUESTION # 43
Which of the following fiber connectors is round with a bayonet twist-lock mechanism and is considered older but still used in some fiber installations?

Answer: D

Explanation:
The ST (Straight Tip) fiber connector is round with a bayonet twist-lock mechanism. It is older but still used in some fiber installations.
* B. BNC is a coaxial connector.
* C. SC (Subscriber Connector) is a square push-pull fiber connector.
* D. LC (Lucent Connector) is a small form-factor fiber connector.
References (CompTIA Network+ N10-009):
* Domain: Networking Concepts - Fiber connectors (ST, SC, LC).


NEW QUESTION # 44
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