N10-009 Reliable Test Vce, N10-009 New Braindumps Questions

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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Network Security: This section of the exam for cybersecurity specialists and network security administrators covers the importance of basic network security concepts, Various types of attacks and their impact on the network, application of network security features, defense techniques, and solutions.\| Network Troubleshooting: For help desk technicians and network support specialists, this section covers troubleshooting methodology, troubleshooting common cabling and physical interface issues, troubleshooting common issues with network services, and use of appropriate tools or protocols to solve networking issues.
Topic 2	Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
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
Topic 4	Networking Concepts: For network administrators and IT support professionals, this domain covers

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CompTIA Network+ Certification Exam Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which of the following is a characteristic of the application layer?

A. It relies upon other layers for packet delivery.
OB. It checks independently for packet loss.
B. It encrypts data in transit.
C. It performs address translation.

Answer: A

Explanation:
* Introduction to OSI Model:
* The OSI model is a conceptual framework used to understand network interactions in seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
* Application Layer:
* The application layer (Layer 7) is the topmost layer in the OSI model. It provides network services directly to end-user applications. This layer facilitates communication between software applications and lower layers of the network protocol stack.
* Reliance on Other Layers:
* The application layer relies on the transport layer (Layer 4) for data transfer across the network.
The transport layer ensures reliable data delivery through protocols like TCP and UDP.
* The network layer (Layer 3) is responsible for routing packets to their destination.
* The data link layer (Layer 2) handles node-to-node data transfer and error detection.
* The physical layer (Layer 1) deals with the physical connection between devices.
* Explanation of the Options:
* A. It relies upon other layers for packet delivery:This is correct. The application layer depends on the lower layers (transport, network, data link, and physical) for the actual delivery of data packets.
* B. It checks independently for packet loss:This is incorrect. Packet loss detection is typically handled by the transport layer (e.g., TCP).
* C. It encrypts data in transit:This is incorrect. Encryption is typically handled by the presentation layer or at the transport layer (e.g., TLS/SSL).
* D. It performs address translation:This is incorrect. Address translation is performed by the network layer (e.g., NAT).
* Conclusion:
* The application layer's primary role is to interface with the end-user applications and ensure that data is correctly presented to the user. It relies on the underlying layers to manage the actual data transport and delivery processes.
References:
* CompTIA Network+ guide covering the OSI model and the specific roles and functions of each layer (see pageRef 10†How to Use Cisco Packet Tracer).

NEW QUESTION # 51
A help desk technician receives a report that users cannot access internet URLs. The technician performs ping tests and finds that sites fail when a URL is used but succeed when an IP is used. Which of the following tools should the technician utilize next?

A. tcpdump
B. tracert
C. dig
D. nmap

Answer: C

Explanation:
The issue is clearly related toDNS resolution, as IP-based connections succeed but domain name-based ones fail.
* D. dig(Domain Information Groper) is a DNS lookup tool used to troubleshoot DNS problems by querying name servers directly.
Other tools are less relevant here:
* A. tcpdumpis a packet analyzer and is more advanced for deeper traffic analysis.
* B. tracertis used to trace the route to a destination, not ideal for DNS issues.
* C. nmapis a port scanner and network mapper, not for resolving DNS problems.
#Reference:
CompTIA Network+ N10-009 Official Objectives: 5.1 - Given a scenario, use the appropriate network troubleshooting tools.

NEW QUESTION # 52
Which of the following attacks can cause users who are attempting to access a company website to be directed to an entirely different website?

A. Denial-of-service
B. Social engineering
C. DNS poisoning
D. ARP spoofing

Answer: C

Explanation:
Network segmentation involves dividing a network into smaller segments or subnets. This is particularly important when integrating OT (Operational Technology) devices to ensure that these devices are isolated from other parts of the network. Segmentation helps protect the OT devices from potential threats and minimizes the impact of any security incidents. It also helps manage traffic and improves overall network performance.

NEW QUESTION # 53
Which of the following protocols has a default administrative distance value of 90?

A. BGP
B. OSPF
C. RIP
D. EIGRP

Answer: D

Explanation:
EIGRP (Enhanced Interior Gateway Routing Protocol) has a default administrative distance (AD) value of 90 for internal routes. The administrative distance is used to rate the trustworthiness of routing information received from different routing protocols. EIGRP, developed by Cisco, has an AD of 90, which is lower than that of RIP (120) and OSPF (110), making it more preferred if multiple protocols provide a route to the same destination.

NEW QUESTION # 54
Which of the following network topologies contains a direct connection between every node in the network?

A. Mesh
B. Point-to-point
C. Star
D. Hub-and-spoke

Answer: A

Explanation:
In a mesh topology, every node is directly connected to every other node. This provides high redundancy and reliability, as there are multiple paths for data to travel between nodes. This topology is often used in networks where high availability is crucial.
Reference: CompTIA Network+ study materials.

NEW QUESTION # 55
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N10-009 Reliable Test Vce, N10-009 New Braindumps Questions

CompTIA N10-009 Exam Syllabus Topics:

Realistic CompTIA N10-009 Reliable Test Vce Quiz

CompTIA Network+ Certification Exam Sample Questions (Q50-Q55):

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