[Offer] 400-007 CCDE written 3.1 pass 2 weeks ago

[lakatoswinet]

I have passed the CCDE 3.1 two weeks ago.

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[lakatoswinet]

I will share some new questions soon.

 

One of the key components in  an SDN-controlled network is the ability to have a piece of software that can 
manipulate the devices in the network and also provide the intelligent and predictable behavior that is expected. 
Which component provides this feature?

- SDN over applications
- SDN via overlays
- SDN via device APIs
- SDN via controller APIs
 

[Shadowmaster]

Thanks a lot for your share!! 

Did you check if all answers are correct ?

 

[lakatoswinet]

No. I am lazy. 🙂

 

More questions:

 

Which are two major design parameters when designing the architecture of workload service placement in a hybrid cloud model? (choose two)

- cloud enviroment type
- placement mode
- deployment model
- elasticy of hosting cloud zones
- heterogeneity of hosting cloud zones

When organizations initially start consuming public cloud services, they often use VPNs over the internet to connect their on-premises 
applications to the public cloud infrastucture. In which two cases are other connectivitods a better fits? (choose two)

- Latency sensitive multimedia streaming
- desktop-as-a-service using VDI
- migration to transit gateway
- high availability
- cost sensitive business applications

Direct cloud connectivity provides secure, high-performance, and end-to-end connectivity needed to run critical 

- consistent and guaranteed SLA-backend performance to the closest peering point
- end-to-end connectivity SLA with deterministic latency and performance
- avoids network contention and unpredictable routing changes
- end-to-end visibility and management of the entire enterprice network

While positive feedback loops generally don't last long enough to bring down a network completly, then long enough to disrupt traffic flows or to cause the networkto converge more slowly then it should
What are two examples of cases where a positive feedback loop can be long-lived and devasting to the control plane?

- when input traffic volumes on an interfaces causes the interface queue to overflow
- the rate at which the information carried in the various control plane protocols changes
- modifying the flow of traffic through the network by steering traffic based on QoS attributes
during redistribution of reachablity information between multiple control planes

Management is often overlooked during the design of a network because it is considered an operational issue rather than a design issue. A hierachical disrupted arrangment can be used whereby disrupted NMSs 
send data to sophisticated centralized NMSs using a manager-of-managers architecture. What is an advantage of a disrupted management system?

- simplified tracking of management devices and assets
- easier to contain the amount of data that is collectedand stored
- more sophisticated and globally controlled security mechanism
- reduced amount of network management data flows accross the network

What are two advantages of the Agile project management methodology? (choose two)

- brief but detailed feedback loops
- well-detailed and reliable budget estimates
- extensive documentation
- tight and rigid model
- creation of shippable enhancements

Risk is a major determining factor in whether a company chooses to go with a public cloud, a private or a hybrid of both. What are two factors that impact the deceison on which cloud service model to use? (choose two)

- legacy architectures
- cross-cloud redundancy
- regulation
- organization skills
- data ownership

Two companies need to implement an extranet overlay network solution by using a VPN tunnel over the internet to use each other's HTTP REST APIs. The solution must only provide data integrity because 
data confidentality will be covered at the application leyer. The existing firewall
devices will be used as VPN endpoints for the tunnel, but they have limited available resources.
Which type of VPN tunnel must be deployed for the extranet service?

- ipsec esp
- ipsec ah
- gre tunnel
- greoIPsec

The API of an SDN controller named CTL-A uses the HTTP POST method and the same URL for all resources. The JSON body of each messages used to get information for specific resources and operations.
The API of a SDN controller named CTL-B uses HTTP CRUD methods and a uniform interface with different URLs for each resource
Which API type is used by each SDN controller?

- CTL-B uses a RESTful API and CTL-A has an HTTP-base API
- CTL-A uses a RESTful API and CTL-B has an HTTP-bsed API
- CTL-A and CTL-B have a RESTful API
- CTL-A and CTL-B have a non-RESTful API

Virtualisation pose a special challanges for NAC because virtual servers can move aroung a data center, and the VLAN can change as servers move. What is an option that can be used to improve security in this condition?

- application-based security
- in-band traffic control
- traffic encription
- role-based control

 

[Lechu]

On 5/23/2025 at 7:38 PM, lakatoswinet said:

I have passed the CCDE 3.1 two weeks ago.

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Did you pass from this dump ?

[lakatoswinet]

yes, but you have to give correct answers, without any mistake. If you will use the 10 new questions, you will pass, i think.

[Shadowmaster]

Thanks mate! I'll give it a try next month. I'll let you know if it's still valid.

[labnet]

On 5/24/2025 at 6:38 AM, lakatoswinet said:

No. I am lazy. 🙂

 

More questions:

 

Which are two major design parameters when designing the architecture of workload service placement in a hybrid cloud model? (choose two)

- cloud enviroment type
- placement mode
- deployment model
- elasticy of hosting cloud zones
- heterogeneity of hosting cloud zones

When organizations initially start consuming public cloud services, they often use VPNs over the internet to connect their on-premises 
applications to the public cloud infrastucture. In which two cases are other connectivitods a better fits? (choose two)

- Latency sensitive multimedia streaming
- desktop-as-a-service using VDI
- migration to transit gateway
- high availability
- cost sensitive business applications

Direct cloud connectivity provides secure, high-performance, and end-to-end connectivity needed to run critical 

- consistent and guaranteed SLA-backend performance to the closest peering point
- end-to-end connectivity SLA with deterministic latency and performance
- avoids network contention and unpredictable routing changes
- end-to-end visibility and management of the entire enterprice network

While positive feedback loops generally don't last long enough to bring down a network completly, then long enough to disrupt traffic flows or to cause the networkto converge more slowly then it should
What are two examples of cases where a positive feedback loop can be long-lived and devasting to the control plane?

- when input traffic volumes on an interfaces causes the interface queue to overflow
- the rate at which the information carried in the various control plane protocols changes
- modifying the flow of traffic through the network by steering traffic based on QoS attributes
during redistribution of reachablity information between multiple control planes

Management is often overlooked during the design of a network because it is considered an operational issue rather than a design issue. A hierachical disrupted arrangment can be used whereby disrupted NMSs 
send data to sophisticated centralized NMSs using a manager-of-managers architecture. What is an advantage of a disrupted management system?

- simplified tracking of management devices and assets
- easier to contain the amount of data that is collectedand stored
- more sophisticated and globally controlled security mechanism
- reduced amount of network management data flows accross the network

What are two advantages of the Agile project management methodology? (choose two)

- brief but detailed feedback loops
- well-detailed and reliable budget estimates
- extensive documentation
- tight and rigid model
- creation of shippable enhancements

Risk is a major determining factor in whether a company chooses to go with a public cloud, a private or a hybrid of both. What are two factors that impact the deceison on which cloud service model to use? (choose two)

- legacy architectures
- cross-cloud redundancy
- regulation
- organization skills
- data ownership

Two companies need to implement an extranet overlay network solution by using a VPN tunnel over the internet to use each other's HTTP REST APIs. The solution must only provide data integrity because 
data confidentality will be covered at the application leyer. The existing firewall
devices will be used as VPN endpoints for the tunnel, but they have limited available resources.
Which type of VPN tunnel must be deployed for the extranet service?

- ipsec esp
- ipsec ah
- gre tunnel
- greoIPsec

The API of an SDN controller named CTL-A uses the HTTP POST method and the same URL for all resources. The JSON body of each messages used to get information for specific resources and operations.
The API of a SDN controller named CTL-B uses HTTP CRUD methods and a uniform interface with different URLs for each resource
Which API type is used by each SDN controller?

- CTL-B uses a RESTful API and CTL-A has an HTTP-base API
- CTL-A uses a RESTful API and CTL-B has an HTTP-bsed API
- CTL-A and CTL-B have a RESTful API
- CTL-A and CTL-B have a non-RESTful API

Virtualisation pose a special challanges for NAC because virtual servers can move aroung a data center, and the VLAN can change as servers move. What is an option that can be used to improve security in this condition?

- application-based security
- in-band traffic control
- traffic encription
- role-based control

 

@lakatoswinet,  thank you so much for the sharing, do you have answers to these new questions?

Edited May 27, 2025 by labnet

[takak]

great

[maihau220719]

thank

[cciebuddy]

Did anyone recently passed exam using the dumps file provided by lakatoswinet ?

[maxdieng]

Hi

 

[maxdieng]

AI infrastructures 

 

[14ITS]

Thanks

[14ITS]

Hi lakatoswinet, I can't download the PDF. Do you know why?

Thanks

[Ausguru]

I  passed this test. a very few questions say 4 to 5 out of this dump. thats out of 100 questions. but I am pretty sure you wont fail from this pdf file. and some answers  from this pdf wrong too.  its not a concen for passing... and those 4 to 5 questions also in this thread...good luck with your exam...

 

 

[casaressearl]

Got the newest 400-007 questions bank from PassLeader with 423q FYI:

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(seems NEW QUESTIONS are available)

Good luck!

[zhuge2003]

On 6/10/2025 at 5:21 PM, casaressearl said:

Got the newest 400-007 questions bank from PassLeader with 423q FYI:

 

Hidden Content

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(seems NEW QUESTIONS are available)

Good luck!

thanks for sharing~~

[Suhamjad]

.

[Dongwan]

I am perparing for written, anyone intrested Group Study or GB PM 

[casanova82]

I am also preparing for CCDE Written, please ping me, we can study and share knowledge!

[sminec]

Thanks a lot for your share!! 

[RobCray]

👍

[Romulus]

I purchased chinese dumps with less questions and passed last week. This dump seems to contain same questions and is valid.

H

[casanova82]

On 7/13/2025 at 4:10 PM, Romulus said:

I purchased chinese dumps with less questions and passed last week. This dump seems to contain same questions and is valid.

H

Cab you please share with us?