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You are asked to scale the available bandwidth within your Clos data center network to support more east-west traffic. In this scenario, what are two ways to accomplish this task? (Choose two.)
In a Clos data center network, scaling the available bandwidth to support more east-west traffic can be effectively achieved by either adding more leaf devices (A) or more spine devices (C). Adding leaf devices increases the total number of endpoints in the network, thereby providing additional paths and bandwidth for east-west traffic. Similarly, adding spine devices increases the interconnectivity within the network, offering more paths for traffic to flow through, which helps in handling higher volumes of east-west traffic. Both approaches work towards enhancing the overall capacity and efficiency of the network. Reference:
Juniper Networks - Understanding Clos Networks
Juniper Networks - Data Center Network Design Considerations
You must advertise reachability between two firewalls with unique IP subnets that terminate security services through your EVPN-VXLAN environment.
In this scenario, which EVPN route type should you enable to accomplish this task?
You are designing an IP fabric underlay network in your data center. You must ensure that your traffic can be forwarded at line rate.
In this scenario, which oversubscription model should be used?
What is an advantage that EVPN has over VPLS when used for DCI?
One of the primary advantages of EVPN (Ethernet VPN) over VPLS (Virtual
Private LAN Service) is the capability of mass MAC withdrawal (A). This feature allows EVPN to quickly remove MAC addresses from the forwarding database when a link or node fails, improving convergence times and network stability. In contrast, VPLS lacks this efficient mechanism for withdrawing MAC addresses en masse, which can lead to slower convergence and potential traffic blackholing in the event of network changes or failures. Reference:
Juniper Networks - EVPN Overview
Understanding EVPN
You want to ensure high availability of the Junos devices in your data center. In this scenario, which three features would accomplish this task? (Choose three.)
B) Virtual Router Redundancy Protocol (VRRP) ensures high availability by allowing multiple routers to work together to provide network resilience.
C) Graceful Routing Engine switchover (GRES) allows for the seamless transition of control plane functions between Routing Engines, ensuring continuous operation of the network.
D) Dual Routing Engines provide a hardware-based high-availability solution, where a backup Routing Engine takes over in case the primary fails, ensuring uninterrupted network service.
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