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CompTIA N10-009 Exam Syllabus Topics:

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

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CompTIA Network+ Certification Exam Sample Questions (Q40-Q45):

NEW QUESTION # 40
Which of the following is a cost-effective advantage of a split-tunnel VPN?

Answer: D


NEW QUESTION # 41
Which of the following services runs on port 636?

Answer: D

Explanation:
LDAP over SSL (LDAPS) uses port 636 to provide secure, encrypted authentication for directory services.
Breakdown of Options:
A: SMTP (Simple Mail Transfer Protocol) - Uses port 25, not 636.
B: Syslog - Uses port 514 (UDP), not 636.
C: TFTP (Trivial File Transfer Protocol) - Uses port 69 (UDP), not 636.
D: LDAPS (Lightweight Directory Access Protocol Secure) - # Correct answer. Uses port 636 for secure directory authentication.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.1: Compare and contrast network protocols.
RFC 4511: Lightweight Directory Access Protocol (LDAP)


NEW QUESTION # 42
A network administrator needs to add 255 useable IP addresses to the network. A /24 is currently in use. Which of the following prefixes would fulfill this need?

Answer: B

Explanation:
A /23 subnet provides 512 total addresses, of which 510 are usable (subtracting 2 for network and broadcast addresses). This would satisfy the need for 255 additional addresses.


NEW QUESTION # 43
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 # 44
Which of the following is a cost-effective advantage of a split-tunnel VPN?

Answer: D

Explanation:
A split-tunnel VPN allows certain traffic (e.g., cloud-based services) to bypass the VPN and go directly to the Internet. This reduces the amount of traffic that needs to traverse the company's VPN and Internet connection, conserving bandwidth and reducing costs. It also means that not all traffic is subject to the same level of inspection or filtering, which can improve performance for cloud-based services.


NEW QUESTION # 45
......

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