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CompTIA N10-009 Exam Syllabus Topics:
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CompTIA Network+ Certification Exam Sample Questions (Q28-Q33):
NEW QUESTION # 28
A technician is planning an equipement installation into a rack in a data center that practices hot aisle/cold aise ventilation. Which of the following directions should the equipement exhaust face when installed in the rack?
- A. Rear
- B. Sides
- C. Top
- D. Front
Answer: A
Explanation:
In a data center that practices hot aisle/cold aisle ventilation, equipment should be installed so that the exhaust faces the rear of the rack. This setup ensures that hot air is expelled into the hot aisle, maintaining proper airflow and cooling efficiency.
Hot Aisle/Cold Aisle Configuration: Equipment intake should face the cold aisle where cool air is supplied, and exhaust should face the hot aisle where hot air is expelled.
Cooling Efficiency: Proper orientation of equipment helps maintain an efficient cooling environment by segregating hot and cold air, preventing overheating and improving energy efficiency.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Discusses data center design principles, including hot aisle/cold aisle configurations.
Cisco Data Center Design Guide: Provides best practices for data center layout and equipment installation.
Network+ Certification All-in-One Exam Guide: Covers data center environmental controls and ventilation strategies.
NEW QUESTION # 29
A network architect needs to create a wireless field network to provide reliable service to public safety vehicles. Which of the following types of networks is the best solution?
- A. Ad hoc
- B. Mesh
- C. Point-to-point
- D. Infrastructure
Answer: B
Explanation:
A mesh network is the best solution for providing reliable wireless service to public safety vehicles. In a mesh network, each node (vehicle) can connect to multiple other nodes, providing multiple paths for data to travel. This enhances reliability and redundancy, ensuring continuous connectivity even if one or more nodes fail. Mesh networks are highly resilient and are well-suited for dynamic and mobile environments such as public safety operations.
Reference: CompTIA Network+ study materials.
NEW QUESTION # 30
Which of the following is the most closely associated with segmenting compute resources within a single cloud account?
- A. VPC
- B. laaS
- C. Hybrid cloud
- D. Network security group
Answer: A
Explanation:
A Virtual Private Cloud (VPC) is most closely associated with segmenting compute resources within a single cloud account. A VPC allows you to define a virtual network that closely resembles a traditional network, complete with subnets, route tables, and gateways. This segmentation enables the isolation of different parts of a network within a cloud environment, ensuring security and efficient resource management. VPCs are a key component in many cloud infrastructures, providing the flexibility to manage and control network settings and resources.
Reference: CompTIA Network+ Certification Exam Objectives - Cloud Models section.
NEW QUESTION # 31
Which of the following routing protocols uses an autonomous system number?
- A. OSPF
- B. BGP
- C. EIGRP
- D. IS-IS
Answer: B
Explanation:
BGP (Border Gateway Protocol) uses an Autonomous System (AS) number for its operations. An AS is a collection of IP networks and routers under the control of a single organization that presents a common routing policy to the Internet. BGP is used to exchange routing information between different ASes on the Internet, making it the only protocol among the listed options that uses an AS number.
Reference: CompTIA Network+ study materials and RFC 4271.
NEW QUESTION # 32
Which of the following attacks would most likely cause duplicate IP addresses in a network?
- A. Denial-of-service
- B. Social engineering
- C. Rogue DHCP server
- D. DNS poisoning
Answer: C
Explanation: