Download Latest 4A0-D01 Dumps Questions 2026 for Preparation ■ ■ Enjoy 20% OFF on All Exams – Use Code: 2025 Boost Your Success with Updated & Verified Exam Dumps from CertSpots.com https://www.certspots.com/exam/4a0-d01/ © 2026 CertSpots.com – All Rights Reserved 1 / 8 Exam : 4A0-D01 Title : Version : V8.02 Nokia Data Center Fabric Fundamentals 2 / 8 1.Which command is used to configure a sub-interface with VLAN tagging in SR Linux? A. set interface-vlan B. set interface C. set interface-subinterface D. configure interface-subinterface Answer: A Explanation: The command "set interface-vlan" is used to configure a sub-interface with VLAN tagging in SR Linux. 2.What is the benefit of using sub-interfaces in network configuration? A. Reduced network complexity B. Greater network security C. Increased network performance D. Enhanced flexibility and scalability Answer: D Explanation: Using sub-interfaces in network configuration provides enhanced flexibility and scalability by allowing for logical divisions within a physical interface. 3.How does the Nokia Fabric Services System contribute to network efficiency and reliability? A. By limiting network scalability B. By increasing network latency C. By decreasing security measures D. By reducing network complexity Answer: D Explanation: The Nokia Fabric Services System contributes to network efficiency and reliability by reducing network complexity. 4.How can administrators access and analyze log data in SR Linux? A. Through a web-based dashboard B. Through SNMP traps C. Through email notifications D. Through the CLI Answer: D Explanation: Administrators can access and analyze log data in SR Linux through the Command Line Interface (CLI). 5.Which of the following is a benefit of using logging and monitoring tools in SR Linux? A. All of the above B. Better troubleshooting capabilities C. Improved network performance D. Increased network security Answer: A 3 / 8 Explanation: Using logging and monitoring tools in SR Linux provides benefits such as increased network security, improved network performance, and better troubleshooting capabilities. 6.What is the purpose of an IP-VRF network instance in a data center fabric? A. To provide Quality of Service for specific IP addresses B. To encrypt IP traffic for added security C. To improve network performance for specific IP services D. To isolate traffic at Layer 3 based on IP addresses Answer: D Explanation: An IP-VRF network instance is used to isolate and separate traffic at Layer 3 based on IP addresses. 7.What is a key benefit of configuring VXLAN-Based EVPN Overlay Networks in a data center environment? A. Faster network speeds B. Improved scalability C. Enhanced backup capabilities D. Increased security Answer: B Explanation: Improved scalability is a key benefit of configuring VXLAN-Based EVPN Overlay Networks in a data center environment. 8.What is the purpose of using monitoring and logging tools in SR Linux? A. To slow down network performance B. To automate network configuration C. To troubleshoot network issues and optimize performance D. To enhance network security Answer: C Explanation: The purpose of using monitoring and logging tools in SR Linux is to troubleshoot network issues, track performance, and optimize network functionality. 9.In BGP, what is the term used for the autonomous system to which a BGP router belongs? A. Route table B. ACL (Access Control List) C. ASN (Autonomous System Number) D. IP address Answer: C Explanation: ASN (Autonomous System Number) is the term used for the autonomous system to which a BGP router belongs. 4 / 8 10.What is the purpose of using gNMI to configure an SR Linux router? A. To monitor network traffic B. To configure network interfaces C. To update the routing table D. To push and pull configuration data programmatically Answer: D Explanation: gNMI (gRPC Network Management Interface) is used to push and pull configuration data programmatically for the SR Linux router. 11.Which command can be used to verify BGP neighbor relationships and routing information on a router? A. show bgp summary B. display bgp neighbor C. show ip bgp neighbors D. list neighbors bgp Answer: A Explanation: The 'show bgp summary' command can be used to verify BGP neighbor relationships and routing information on a router. 12.What role does the Fabric Manager play in the SR Linux architecture? A. Handling routing protocol innovations B. Monitoring and managing system health C. Managing the SDN fabric and orchestrating services D. Configuring network interfaces Answer: C Explanation: The Fabric Manager in the SR Linux architecture is responsible for managing the SDN fabric and orchestrating services. 13.What are some key features of the Nokia Fabric Services System that support the designing and deploying of a data center fabric? A. Network automation and analytics tools B. Advanced data encryption techniques C. Physical network hardening methods D. Virtual server migration capabilities Answer: A Explanation: The Nokia Fabric Services System provides network automation and analytics tools that aid in the designing and deploying of data center fabrics. 14.In what ways can you customize the user permissions and access levels in the SR Linux CLI? A. By customizing the login process with additional security measures 5 / 8 B. By setting restrictions on certain command usage C. By implementing role-based access control for different user roles D. By creating user groups with specific permissions Answer: C Explanation: Customizing user permissions and access levels in the SR Linux CLI can be done through implementing role-based access control for different user roles. 15.Which interface uses gRPC protocol to transfer configuration and operational data between network elements? A. gNMI B. SSH C. Telnet D. JSON/RPC Answer: A Explanation: The gNMI interface uses gRPC protocol to transfer configuration and operational data between network elements. 16.When configuring network interfaces and sub-interfaces, what is the purpose of assigning an IP address to an interface? A. To enable the interface to communicate with other devices on the network B. To assign a unique identifier to the interface C. To disable the interface completely D. To define the speed and duplex of the physical interface Answer: A Explanation: Assigning an IP address to an interface enables the interface to communicate with other devices on the network. 17.What is the purpose of a MAC-VRF network instance in a data center fabric? A. To prioritize specific MAC addresses for network access B. To isolate traffic at Layer 2 based on MAC addresses C. To optimize network performance based on MAC addresses D. To provide encryption for MAC addresses Answer: B Explanation: A MAC-VRF network instance is used to isolate and separate traffic at Layer 2 based on MAC addresses. 18.When configuring a MAC-VRF network instance, what must be unique in each VRF? A. Subnet masks B. IP addresses C. MAC addresses D. VLAN IDs 6 / 8 Answer: C Explanation: When configuring a MAC-VRF network instance, the MAC addresses must be unique in each VRF. 19.What is the purpose of EVPN (Ethernet Virtual Private Network) in VXLAN overlays? A. To enhance security by encrypting data traffic B. To prioritize certain types of network traffic C. To dynamically learn MAC addresses and IP prefixes for efficient routing D. To monitor network performance in real-time Answer: C Explanation: EVPN in VXLAN overlays allows for the dynamic learning of MAC addresses and IP prefixes for efficient routing. 20.In SR Linux, what is the primary difference between a network interface and a sub-interface? A. Sub-interfaces can only be configured with VLAN tagging, while network interfaces cannot B. Network interfaces can only support Layer 2 configurations, while sub-interfaces can support Layer 3 configurations C. Sub-interfaces are virtual interfaces that can be configured on a physical interface D. Network interfaces are used for connecting to the local network, while sub-interfaces are used for connecting to remote networks Answer: C Explanation: The primary difference is that sub-interfaces are virtual interfaces that can be configured on a physical interface to allow for segmentation of traffic. 21.In BGP, which attribute is used to influence the traffic path selection? A. Weight B. AS Path C. MED D. Local Preference Answer: D Explanation: Local Preference is used in BGP to influence the traffic path selection within an autonomous system. 22.What is the purpose of configuring a network interface or sub-interface? A. To establish a physical connection to the network B. To improve network security C. To increase the bandwidth of the network D. To create logical divisions within a physical network interface Answer: D Explanation: Network interfaces and sub-interfaces are configured to create logical divisions within a physical network interface, allowing for better network segmentation and management. 7 / 8 23.Which of the following best describes the function of MAC-VRF network instances? A. They isolate traffic based on Media Access Control (MAC) addresses B. They provide secure access control based on MAC address filtering C. They enhance network performance by prioritizing MAC addresses D. They optimize network pathways for faster data transmission Answer: A Explanation: MAC-VRF network instances are designed to isolate network traffic based on Media Access Control (MAC) addresses. 24.Which protocol is commonly used in VXLAN-based EVPN overlay networks for control plane communication? A. RIP B. BGP C. VLAN D. OSPF Answer: B Explanation: BGP (Border Gateway Protocol) is commonly used in VXLAN-based EVPN overlay networks for control plane communication. 25.Which attribute in BGP is used to influence the path selection process between multiple routes to the same destination? A. Community B. Local Preference C. Weight D. MED (Multi-Exit Discriminator) Answer: B Explanation: Local Preference is used in BGP to influence the path selection process between multiple routes to the same destination. 26.What is the purpose of customizing the SR Linux CLI? A. to match specific user preferences B. to increase security C. to make it easier to use D. to improve functionality Answer: A Explanation: Customizing the SR Linux CLI allows users to tailor the interface to their specific preferences. 27.What is the purpose of the Management Plane in SR Linux architecture? A. Handles data traffic 8 / 8 B. Implements dynamic protocols as plugins C. Processes traffic flows D. Manages overall system operations and configurations Answer: D Explanation: The Management Plane in SR Linux architecture is responsible for managing overall system operations and configurations. 28.How can IP-VRF and MAC-VRF network instances help improve network security in a data center fabric? A. By prioritizing specific applications over others B. By providing encryption for all network traffic C. By isolating and segregating traffic based on IP and MAC addresses D. By automatically blocking suspicious traffic Answer: C Explanation: IP-VRF and MAC-VRF network instances improve network security by isolating and segregating traffic based on IP and MAC addresses. 29.How can you configure an IP-VRF network instance in Nokia's SR Linux? A. By setting up virtual routing tables in the network device B. By assigning VLANs to specific IP-VRF instances C. By enabling IP-VRF through the web interface D. Using the VRF configuration command in the CLI Answer: D Explanation: To configure an IP-VRF network instance in Nokia's SR Linux, you can use the VRF configuration command in the CLI. 30.What are some key characteristics of Nokia's SR Linux and the Nokia Fabric Services System? A. Seamless integration with third-party applications B. Advanced security features C. Simplified network automation capabilities D. Enhanced scalability and performance Answer: D Explanation: Nokia's SR Linux and the Nokia Fabric Services System offer enhanced scalability and performance to meet the demands of modern data center networks.