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Achieving success in the Juniper JN0-481 certification exam opens doors to lucrative job opportunities and career advancements. The Data Center, Specialist (JNCIS-DC) (JN0-481) credential is highly valuable in today's industry. However, many candidates face the frustration of exam failure and wasted time and resources by relying on outdated Juniper JN0-481 Practice Questions. To save both time and money, it is crucial to prepare with the most up-to-date and reliable JN0-481 exam questions.
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Which statement about Juniper Apstra role-based access control is correct?
A. The user role can create roles.
B. The administrator role is the only predefined role.
C. The administrator role can see all permissions.
D. The viewer role is predefined and can be deleted.
Answer: C
Explanation:
Juniper Apstra role-based access control (RBAC) is a feature that allows you to specify access permissions for different users based on their roles. RBAC servers are remote network servers that authenticate and authorize network access based on roles assigned to individual users within an enterprise. Juniper Apstra has four predefined user roles: administrator, device_ztp, user, and viewer. The administrator role is the most powerful role, and it can see all permissions and perform all actions in the Apstra software application. The administrator role can also create, clone, edit, and delete user roles, except for the four predefined user roles, which cannot be modified. Therefore, the statement that the administrator role can see all permissions is correct.
NEW QUESTION # 54
In the EVPN-VXLAN data center fabric bridged overlay architecture shown in the exhibit, the servers are connected to Lead and Leat6 using the same virtual network identifier (VNI). Which two statements are correct in this scenario? (Choose two.)
A. The underlay must be provisioned with PIMv2.
B. The underlay must use IRB interfaces.
C. The underlay EBGP peering's must be established between leaf and spine devices.
D. Loopback IPv4 addresses must be advertised into the EBGP underlay from leaf and spine devices.
Answer: C,D
Explanation:
In the EVPN-VXLAN data center fabric bridged overlay architecture shown in the exhibit, the servers are connected to Leaf1 and Leaf6 using the same virtual network identifier (VNI). This means that the servers belong to the same Layer 2 domain and can communicate with each other using VXLAN tunnels across the fabric. The underlay network provides the IP connectivity between the leaf and spine devices, and it uses EBGP as the routing protocol. Therefore, the following two statements are correct in this scenario:
Loopback IPv4 addresses must be advertised into the EBGP underlay from leaf and spine devices. This is because the loopback addresses are used as the source and destination IP addresses for the VXLAN tunnels, and they must be reachable by all the devices in the fabric.
The loopback addresses are also used as the router IDs and the BGP peer addresses for the EBGP sessions.
The underlay EBGP peering's must be established between leaf and spine devices. This is because the EBGP sessions are used to exchange the underlay routing information and the EVPN routes for the overlay network. The EBGP sessions are established using the loopback addresses of the devices, and they follow a spine-and-leaf topology, where each leaf device peers with all the spine devices, and each spine device peers with all the leaf devices.
NEW QUESTION # 55
Referring to the exhibit, what needs to change in the IP fabric to make it a valid IP fabric?
A. The connection between the two spine nodes must be increased to 40 Gbps.
B. The IP fabric connections must be increased to a speed greater than 10 Gbps.
C. The connection between the two spine nodes must be removed.
D. The IP fabric must consist of only one device model throughout the fabric.
Answer: C
Explanation:
To make the IP fabric a valid IP fabric, the connection between the two spine nodes must be removed. This is because an IP fabric is a network topology that uses a spine-leaf architecture, where the spine devices are only connected to the leaf devices, and the leaf devices are only connected to the spine devices. This creates a non-blocking, high-performance, and scalable network that supports Layer 3 routing protocols such as BGP or OSPF. The connection between the two spine nodes in the exhibit violates the spine-leaf design principle and introduces unnecessary complexity and potential loops in the network.
NEW QUESTION # 56
In the Juniper Apstra design phase, which object dictates port count, port speed, and how the ports would be used?
A. logical devices
B. rack type
C. network devices
D. interface map
Answer: D
Explanation:
Interface maps are objects that map interfaces between logical devices and physical hardware devices in the Juniper Apstra design phase. They dictate port count, port speed, and how the ports would be used for achieving the intended network configuration rendering. Interface maps also allow you to select device ports, transformations, and interfaces, provision breakout ports, and disable unused ports.
NEW QUESTION # 57
In the Juniper Apstra Ul, which three resources are assigned under the Resources menu?
(Choose three.)
A. logical device pools
B. VTEP pools
C. IP address pools
D. ASN pools
E. VNI pools
Answer: C,D,E
Explanation:
In the Juniper Apstra UI, the Resources menu allows you to create and manage global and local resources that are used for various elements of the network design and configuration. The Resources menu includes the following three types of resources that can be assigned to the network devices and virtual networks:
ASN pools: These are pools of autonomous system numbers (ASNs) that are used for the underlay routing protocol (EBGP) between the leaf and spine devices. You can create ASN pools with either 2-byte or 4-byte ASNs, and assign them to the logical devices in the blueprint. VNI pools: These are pools of virtual network identifiers (VNIs) that are used for the overlay network (VXLAN) between the end hosts. You can create VNI pools with a range of VNIs, and assign them to the virtual networks in the blueprint.
IP address pools: These are pools of IPv4 or IPv6 addresses that are used for various purposes in the network, such as the loopback addresses for the devices, the IP prefixes for the virtual networks, the host IP addresses for the end hosts, and the gateway IP addresses for the IRB interfaces. You can create IP address pools with a range of IP addresses, and assign them to the logical devices and virtual networks in the blueprint.
The following two types of resources are not assigned under the Resources menu:
VTEP pools: These are not resources that can be created or assigned by the user. VTEPs are VXLAN tunnel endpoints that are automatically generated by the Apstra server based on the loopback IP addresses of the devices. VTEPs are used as the source and destination IP addresses for the VXLAN tunnels in the overlay network.
Logical device pools: These are not resources that can be created or assigned by the user.
Logical device pools are groups of logical devices that share the same role, interface map, and resource assignments in the blueprint. Logical device pools are used to simplify the network design and configuration by applying the same settings to multiple devices.
NEW QUESTION # 58
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