QUESTION 161
The first step to a resilient network is to have a clear strategy for how to achieve it and consider that simplicity, modularity, and security play important roles. What is critically important to understand thoroughly while you build a resilient IP network?

A. choice of the device speed to build the network
B. high-performance feature of the hardware
C. factors affecting the performance of the network
D. device speed impacting data plane protocols

Correct Answer: D

QUESTION 162
A network operations team has a project to develop a network automation solution. The team organizes the project into a series of iterations that break down the large, complex project into smaller, manageable tasks. The team structures its quick daily meetings around three questions.
1. What did I work on yesterday?
2. What am I working on today?
3. Which issues are blocking me?

Which project management methodology is the team using?

A. Scrum
B. Lean
C. Waterfall
D. Kanban

Correct Answer: A

QUESTION 163
Which two factors must be considered while calculating the RTO? (Choose two.)

A. cost of lost data and operations
B. maximum tolerable amount of data loss that the organization can sustain
C. how often backups are taken and how quickly these can be restored
D. importance and priority of individual systems
E. steps needed to mitigate or recover from a disaster

Correct Answer: DE

QUESTION 164
Encryption strategies must be applied at every level of the service mesh. These strategies include the encryption of OS and software code at the web server or “bare metal” levels, as well as data in transmission, remote storage, and backend processes to build secure hybrid cloud models on vendor-agnostic hardware. At the application layer, which two systems enable better code testing in advance of deployment that can be isolated in sandboxes and automated in production to ensure that bugs are not introduced that might result in web security flaws? (Choose two.)

A. CI/CD processes
B. hypervisor virtualization
C. multi-tenant environments
D. containerization
E. version control

Correct Answer: AE

QUESTION 165
Two routers R1 and R2 are directly connected through an Ethernet link. Both routers are running OSPF. OSPF has been registered with BFD and BFD is running in asynchronous mode with the echo function enabled. Which two actions occur that are related to the echo function? (Choose two.)

A. BFD sessions at either end actively participate in the forwarding of echo packets.
B. BFD control packets are sent at a slower pace because the echo function is enabled.
C. Only BFD control packets are sent from forwarding engines along the Layer 2 path to perform detection.
D. BFD control packets are sent at a higher pace because the echo function is enabled.
E. BFD echo packets are sent from forwarding engines along the Layer 2 path to perform detection.

Correct Answer: BE

QUESTION 166
A centralized control plane generally means one or more controllers gather the reachability and topology information from each switching device and calculate some part of the forwarding information at some place. How can a centralized control plane be defined or described?

A. set of algorithms implemented on all devices
B. ability to detect and react to changes remotely at each device
C. set of processes running in a virtual or physical machine
D. protocol running on each device

Correct Answer: C

QUESTION 167
An engineer must redesign the QoS strategy for Company XYZ The current network is experiencing many dropped packets due to oversubscription of the guaranteed bandwidth allocated by the sevice provider. Company XYZ wants a design with a QoS strategy that controls the trffic flow leaving the Edge router to minimize packet drops. Which QoS technique can be recommended as a solution?

A. policing
B. rate-limiting
C. traffic shaping
D. LLQ

Correct Answer: C

QUESTION 168
The primary drivers to migrate to an SD network are cost reductions, increased flexibility, higher security, and improved user experience. During the migration, what gradually increases to manage the migration and avoid potential problems?

A. higher performance on access
B. software control
C. device health-checks
D. telemetry flows

Correct Answer: D

QUESTION 169
The security department at a bank is evaluating its data governance policy. A security officer requests that processes be developed to define who within the bank has authority and control over data assets and how the data assets can be used. The security officer also states that the policy must encompass the users, processes, and technologies needed to manage and protect the data assets. What are two goals of the new data governance policy? (Choose two.)

A. Establish internal rules for data use.
B. Decrease the size of the data.
C. Enforce data encryption at rest and in transit.
D. Increase the value of the data.
E. Support network segmentation.

Correct Answer: AC

QUESTION 170
What is the best approach in a large legacy application migration scenario when the goal is to complete the migration in the shortest possible time?

A. rehosting
B. refactoring
C. rearchitecting
D. replatforming

Correct Answer: A

QUESTION 171
Company XYZ is connecting its sites over a private WAN. The company is planning on implementing multicast routing on the network. The company has a mixture of routers from different vendors. Which technique can be used in the multicast routing design to minimize PIM sparse mode configurations?

A. PIM sparse mode with RP using Auto-RP to announce itself
B. PIM dense mode with RP using Auto-RP to announce itself
C. PIM dense mode with RP using BS to announce itself
D. PIM sparse mode with RP using BS to announce itself

Correct Answer: D

QUESTION 172
Modern switches can make millions of decisions per second about whether to forward an incoming packet, to what set of output ports it should be forwarded, and what header fields in the packet may need to be modified. In which way does an OpenFlow control plane differ from a traditional control plane?

A. It exists on a same hardware device with the forwarding plane.
B. It can program different data plane elements with a standard language.
C. It runs routing algorithms to determine how to program its forwarding table.
D. The controller programs single data plane elements from a single control plane instance.

Correct Answer: B

QUESTION 173
Two companies need to implement an extranet overlay network solution by using a VPN tunnel over the internet to use each other’s HTTP RESTAPIs. The solution must only provide data integrity because data confidentiality will be covered at the application layer. 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?

A. IPsec ESP
B. IPsec AH
C. GRE tunnel
D. GREoIPsec

Correct Answer: B

QUESTION 174
Management is often overlooked during the design of a network because it is considered an operational issue rather than a design issue. A hierarchical distributed arrangement can be used whereby distributed MSs send data to sophisticated centralized NMSs using a manager-of-managers architecture. What is an advantage of a distributed management system?

A. reduced amount of network management data flows across the network
B. simplified tracking of management devices and assets
C. easier to contain the amount of data that is collected and stored
D. more sophisticated and globally controlled security mechanism

Correct Answer: D

QUESTION 175
What are three examples of solution components of the network infrastructure that help enforce security policy compliance on all devices as they seek to access the network and computing resources, thereby limiting damage from emerging security threats such as viruses, worms, and spyware? (Choose three.)

A. endpoint security application
B. management and reporting tools
C. network access devices
D. web filtering devices
E. audit and decision point servers
F. posture agent

Correct Answer: ACF

QUESTION 176
The Agile Manifesto is a document that defines the key values and principles behind the Agile philosophy and helps development teams work more efficiently and sustainably. Each of the four key values is split into two sections: a left-hand side and a right-hand side. In other words, though there is value in the items on the right, we value the items on the left more. What is one of the key values of the Agile Manifesto?

A. following a plan over responding to change
B. comprehensive documentation over working software
C. individuals and interactions over processes and tools
D. contract negotiation over customer collaboration

Correct Answer: C

QUESTION 177
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 set?

A. SDN via device APIs
B. SDN via overlays
C. SDN via controller APIs
D. SDN over applications

Correct Answer: C

QUESTION 178
The internal policy of a private bank mandates that all digital customer data be subject to the laws of the country in which the data is processed. To which concept does this policy relate?

A. data compliance
B. data ownership
C. data localization
D. data sovereignty

Correct Answer: C

QUESTION 179
A consultant needs to evaluate project management methodologies for a new service deployment on the existing network of a customer. The customer wants to be involved in the end-to-end project progress and be provided with frequent updates. The customer also wants the ability to change the requirements if needed, as the project progresses. Which project management methodology should be used?

A. Waterfall
B. three principles
C. Agile
D. phased

Correct Answer: C

QUESTION 180
A network consultant must describe the protocols used to implement overlay networks. What are two protocols that can be used for overlay control-plane functions? (Choose two.)

A. MP-BGP EVPN
B. VXLAN
C. OSPF
D. BIDIR-PIM
E. IS-IS

Correct Answer: AB