最新 [2024年10月28日] リアルEMC D-ISM-FN-23試験問題集解答
D-ISM-FN-23問題集を使って一日でDCA-ISM試験合格（最新の191解答)
質問 # 83
What is an impact of a Denial of Service (DoS) attack?
- A. Compromises user accounts and data to malicious insiders
- B. Prevents legitimate users from accessing IT resources or service
- C. Duplicates user credentials to compromise data security
- D. Hijacks privileges to compromise data security
正解：B
解説：
A Denial of Service (DoS) attack is an attempt to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet. DoS attacks typically flood a network with excessive requests, overwhelming the network and preventing legitimate users from accessing IT resources or services. This type of attack does not compromise user accounts, hijack privileges, or duplicate user credentials, but it does effectively deny service to legitimate users.
References:
* Dell EMC Information Storage and Management V5 documentation.
* Dell Certification Overview
質問 # 84
What is a key function of the orchestration layer in a modern data center architecture?
- A. Allows automated arrangement, coordination, and management of resource provisioning
- B. Interacts directly with physical components across layers to begin provisioning
- C. Enables automatic updates of offerings listed in the service catalog with pre-defined workflows
- D. Provides a unified view to manage the resources across the data centers
正解：A
解説：
The orchestration layer in a modern data center architecture is responsible for the automated arrangement, coordination, and management of resource provisioning. It uses predefined workflows to ensure that resources are provisioned and managed efficiently, allowing for automated updates and management across the data center.
References:
* Dell EMC Information Storage and Management V5 documentation.
* Dell Certification Overview
質問 # 85
What method does FCIP use to transport Fibre Channel SAN data?
- A. FCIP encapsulates and tunnels FC SAN data over IP networks.
- B. FCIP splits LAN and FC SAN data and tunnels FC SAN data over Ethernet networks.
- C. FCIP encapsulates and tunnels FC SAN data over Ethernet networks.
- D. FCIP separates LAN and FC SAN data and tunnels FC SAN data over IP networks.
正解：A
解説：
FCIP (Fibre Channel over IP) encapsulates Fibre Channel frames into IP packets, allowing them to be transported over IP networks. This tunneling technique enables the extension of Fibre Channel SANs over long distances using existing IP infrastructure, facilitating connectivity between geographically dispersed SANs.References:
* Dell EMC Information Storage and Management V5, Module on SAN and FCIP
質問 # 86
An Ethernet switch has eight ports and all ports must be operational for 24 hours; from Monday through Friday. However, a failure of Port 5 occurs as follows:
Tuesday = 6 AM to 7 AM Thursday = 5 PM to 9 PM Friday = 8 AM to 9 AM
What is the MTBF of Port 5?
- A. 40 hours
- B. 30 hours
- C. 32 hours
- D. 38 hours
正解：A
質問 # 87
What method does FCIP use to transport Fibre Channel SAN data?
- A. FCIP encapsulates and tunnels FC SAN data over IP networks.
- B. FCIP splits LAN and FC SAN data and tunnels FC SAN data over Ethernet networks.
- C. FCIP encapsulates and tunnels FC SAN data over Ethernet networks.
- D. FCIP separates LAN and FC SAN data and tunnels FC SAN data over IP networks.
正解：A
質問 # 88
What is a benefit of using an existing IP-based network infrastructure for storage connectivity?
- A. Provide the ability to extend the network over long distances
- B. Ensure lossless transmission of FC traffic over Ethernet
- C. Provide a dedicated network for storage
- D. Ensure security by allowing only localized data movement
正解：A
質問 # 89
What type of network connectivity is illustrated in the image below?
- A. Compute to storage connectivity
- B. Data center to data center connectivity
- C. Storage to hybrid cloud connectivity
- D. Compute to hybrid cloud connectivity
正解：A
解説：
The image illustrates a typical network connectivity setup where clients are connected to servers via an Ethernet switch, and the servers are connected to storage systems through an iSCSI target and an FC switch.
This setup is representative of compute to storage connectivity, where the servers (compute) access storage resources.
References:
* Dell EMC Information Storage and Management V5 course material, Module on Networked Storage - SAN.
質問 # 90
Refer to the Exhibit:
What type of data protection is represented?
- A. Backup
- B. Archiving
- C. Migration
- D. Deduplication
正解：A
質問 # 91
What is the function of a control plane in the SDDC?
- A. Performs processing and Input output operations
- B. Performs financial operations used to calculate CAPEX
- C. Performs administrative operations and for communicating messages
- D. Performs resource provisioning and provides the programming logic and policies
正解：D
質問 # 92
Why is it important for organizations lo deploy business continuity solutions in their data center environment?
- A. Reduce the cost of protecting data within and outside data centers
- B. Employ compliance requirements for data protection
- C. Avoid security risks that destroy the business data
- D. Eliminate the time required for maintenance of IT resources in the data center
正解：B
解説：
Organizations deploy business continuity solutions to ensure the continuous availability and integrity of business-critical data and applications. Business continuity solutions help meet compliance requirements for data protection, ensuring that data is consistently backed up, secure, and recoverable in case of disasters or system failures. These solutions are essential for maintaining operational resilience and regulatory compliance.
References:
* Dell Information Storage and Management V5 course materials, section on business continuity
* Dell EMC documentation on business continuity and compliance
質問 # 93
Match each OSD features with its description.
正解：
解説：
Explanation:
Graphical user interface, application Description automatically generated
質問 # 94
Match the Fibre Channel (FC) layers with their respective features.
正解：
解説：
質問 # 95
An IT organization wants to deploy four FC switches for compute and storage system connectivity. To meet performance requirements, a maximum of one active ISL and redundant ISLs for their compute to storage traffic.
Which FC SAN topology should be recommended?
- A. Full mesh
- B. Partial mesh
- C. Multi-switch
- D. Single switch
正解：C
解説：
multi-switch topology is the best recommendation for your requirements. With this topology, you can have multiple ISLs connecting the switches, allowing for redundancy and improved performance. You can also configure trunking and load balancing policies on the ISLs to ensure sufficient bandwidth and guarantee the order of delivery.
質問 # 96
Which type of zoning does the "X" represent?
- A. WWN zoning
- B. Port zoning
- C. Fabric zoning
- D. Mixed zoning
正解：A
解説：
* WWN Zoning: WWN zoning uses the World Wide Name (WWN) of the devices to control access in a SAN environment.
* Diagram Context: The "X" in the diagram represents the connection managed by WWN zoning,
* ensuring that only authorized devices can communicate through the Fibre Channel switch.
References: Dell ISM V5 Course, Module on Storage Networking and Zoning Techniques.
質問 # 97
What is true about the FCIP?
- A. connects local FC or iSCSI SANs to remote FC or iSCSI SANs
- B. connects local FC SANs to remote FC SANs
- C. connects local iSCSI SANs to remote iSCSI SANs
- D. connects local iSCSI SANs to remote FC SANs
正解：B
解説：
FCIP (Fibre Channel over IP) is used to extend Fibre Channel networks over IP networks. It connects local Fibre Channel SANs to remote Fibre Channel SANs, enabling long-distance connectivity and disaster recovery solutions.
References: Dell EMC ISM V5 Module 7, "Storage Network Connectivity," provides details on FCIP and its use cases.
質問 # 98
Refer to the Exhibit:
Which functions align with each layer of the FC Protocol Stack using the following order: FC-4, FC-2, FC-1, and FC-0?
- A. Mapping interface
Routing and flow control
Encode and decode
Physical - B. Physical
Encode and decode
Common services
Mapping interface - C. Mapping interface
Common services
Encode and decode
Physical - D. Physical
Encode and decode
Routing and flow control
Mapping interface
正解：A
解説：
The Fibre Channel (FC) protocol stack is divided into several layers, each responsible for different functions:
* FC-4: Mapping interface - This layer maps upper layer protocols to the lower FC layers.
* FC-2: Routing and flow control - This layer handles the routing and flow control of data frames.
* FC-1: Encode and decode - This layer is responsible for the encoding and decoding of data to ensure proper transmission over the network.
* FC-0: Physical - This layer handles the physical transmission of data, including the cables, connectors, and signaling.
Therefore, the correct alignment of functions with each layer of the FC Protocol Stack is: C. Mapping interface Routing and flow control Encode and decode Physical References:
* Dell EMC Information Storage and Management V5 documentation.
* Dell Certification Overview
質問 # 99
What is true about an OSD storage system?
- A. Objects contain user data, related metadata, and user defined attributes of data.
- B. Objects are created based on the name and location of the file.
- C. Numerous objects can be stored in a single file system folder of OSD.
- D. One object can be placed inside another object to save storage space.
正解：A
解説：
An Object Storage Device (OSD) system stores data as objects, each of which includes the data itself, metadata describing the data, and user-defined attributes. This structure allows forefficient data management and retrieval, as objects can be easily indexed and accessed based on their metadata and attributes. This differs from traditional file systems where data is organized hierarchically.References: Dell Information Storage and Management V5 documents, ExamTopics.
質問 # 100
An organization is planning to adopt pre integrated systems to deploy compute, network, storage, and management functions as a single engineered solution.
Which approach should the organization adopt?
- A. Service based approach
- B. DIY approach
- C. DCaaS solution
- D. Vendor ready solutions
正解：D
解説：
Pre-integrated systems are vendor-provided solutions that combine compute, network, storage, and management functions as a single engineered solution. This approach is also known as a converged infrastructure or a hyper-converged infrastructure. The vendor provides pre-configured, pre-tested hardware and software components that work together seamlessly. The pre-integrated system reduces the complexity of building and deploying IT infrastructure, while also improving performance, scalability, and reliability. This approach is different from a DIY (do-it-yourself) approach, where an organization builds its infrastructure from individual components, and a DCaaS (Data Center as a Service) approach, where the organization outsources its entire data center to a third-party provider. Reference: Section 1.7 Converged Infrastructure, page 62.
質問 # 101
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