A cloud tenant wants to deploy a web application that must scale dynamically based on traffic. The tenant also needs to apply different security policies to different tiers of the application. The cloud provider uses SDN. How does SDN enable this requirement?

By deploying a physical firewall for each tier

By using traditional VLANs to isolate tiers

By allowing the tenant to programmatically define network policies and have the SDN controller enforce them across the virtual network

By requiring the tenant to manually configure each virtual switch

What does SDN programmability allow cloud administrators to do?

Automate network configuration and changes through APIs

Manually configure each switch individually

Eliminate the need for network monitoring

Replace all network hardware with software

A company is planning to migrate its data center to an SDN-based architecture. The current network has many legacy devices that do not support OpenFlow. The migration must be incremental to avoid downtime. The company also wants to maintain centralized visibility and control. Which migration strategy best meets these requirements?

Use a management plane tool to monitor legacy devices and an SDN controller only for new devices

Replace all legacy devices with OpenFlow-capable switches in a single weekend

Deploy SDN in a hybrid mode where the controller manages both OpenFlow and legacy devices through protocol translation

Deploy SDN only in a new segment and leave the legacy network completely separate

A company is deploying SDN to automate network provisioning. The security team is concerned that the SDN controller could be compromised, allowing an attacker to manipulate the entire network. The operations team wants to ensure that the controller can still function if the connection to some switches is lost. Which set of measures best addresses both concerns?

Use a single controller with no authentication to simplify access

Disable all local forwarding on switches to ensure they only follow controller instructions

Deploy the controller on the same network segment as the switches to reduce latency

Implement strong authentication and encryption for controller access, and configure switches to fall back to local forwarding if the controller is unreachable

Juniper NetworksCertified Associate, Cloud

Domain 2Objective 6

SDN Solutions JN0-214 Practice Questions (Page 3)

Part of the Cloud Infrastructure (NFV and SDN) domain, which makes up ~19% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–11 in this domain), expect 1–2 from this objective — we provide 29 practice questions to prepare you well beyond it. (estimate)

29questions here

6free pages

6concepts

Questions 11–15

11application · medium
An SDN controller needs to send a flow rule to a switch that instructs it to forward packets with a specific destination MAC address to a particular port. Which protocol message type is used to accomplish this?
Select an answer first
12application · medium
A cloud tenant wants to deploy a web application that must scale dynamically based on traffic. The tenant also needs to apply different security policies to different tiers of the application. The cloud provider uses SDN. How does SDN enable this requirement?
Select an answer first
13foundation · easy
What does SDN programmability allow cloud administrators to do?
Select an answer first
14expert · hard
A company is planning to migrate its data center to an SDN-based architecture. The current network has many legacy devices that do not support OpenFlow. The migration must be incremental to avoid downtime. The company also wants to maintain centralized visibility and control. Which migration strategy best meets these requirements?
Select an answer first
15expert · hard
A company is deploying SDN to automate network provisioning. The security team is concerned that the SDN controller could be compromised, allowing an attacker to manipulate the entire network. The operations team wants to ensure that the controller can still function if the connection to some switches is lost. Which set of measures best addresses both concerns?
Select an answer first

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SDN Solutions JN0-214 Practice Questions (Page 3)

Questions 11–15

An SDN controller needs to send a flow rule to a switch that instructs it to forward packets with a specific destination MAC address to a particular port. Which protocol message type is used to accomplish this?

A cloud tenant wants to deploy a web application that must scale dynamically based on traffic. The tenant also needs to apply different security policies to different tiers of the application. The cloud provider uses SDN. How does SDN enable this requirement?

What does SDN programmability allow cloud administrators to do?

Keep studying — Cloud Infrastructure (NFV and SDN)