QUESTION 141
Enterprise XYZ wants to implement fast convergence on their network and optimize timers for OSPF. However, they also want to prevent excess flooding of LSAs if there is a constantly flapping link on the network. Which timers can help prevent excess flooding of LSAs for OSPF?

A. OSPF flooding timers
B. OSPF propagation timers
C. OSPF delay timers
D. OSPF throttling timers

Correct Answer: D

QUESTION 142
The Company XYZ network run IPv4 and IPv6 and they want to introduce multicast routing using PIM sparse mode.Which method for specifying the RP can be included in the design to provide flexibility and scalability?

A. embedded RP
B. BSR
C. static RP
D. Auto-RP

Correct Answer: B

QUESTION 143
Company XYZ is designing the IS-IS deployment strategy for their multiarea IS-IS domain. They want IS-IS neighbor relationships to be minimized on each network segment and want to optimize the size of the IS-IS LSDB on each router. Which design can be used to meet these requirements?

A. Design all routers as Level 2 routers. Set the links between the routers as Level 1 with the area
B. Design the network so that the routers connecting to other areas are Level 1/Level2 routers and internal routers are Level 1
C. Design the network so that the routers connecting to other areas are Level 2 routers and internal routers are Level 1
D. Design the network so that all routers are Level 1 routers

Correct Answer: B

QUESTION 144
Company XYZ wants to prevent switch loops caused by unidirectional point-point-link condition on Rapid PVST+ and MST. Which technology can be used in the design to meet this requirement?

A. TRILL
B. STP bridge assurance
C. STP BPDU guard
D. MSTP

Correct Answer: B

QUESTION 145
Company XYZ wants to use the FCAPS ISO standard for network management design. The focus of the design should be to minimize network outages by employing a set of procedures and activities to detect and isolate network issues and the appropriate corrective actions to overcome current issues and prevent them from occurring again. Which layer accomplishes this design requirement?1

A. accounting management
B. security management
C. performance management
D. fault management

Correct Answer: D

QUESTION 146
Data replication is being designed as part of a data protection setup to be run over the network. Which replication strategy is best suited when the primary and secondary systems are physically close to each other?

A. direct replication
B. snapshot replication
C. transactional replication
D. synchronous replication

Correct Answer: D

QUESTION 147
A customer migrates from a traditional Layer 2 data center network into a new SDN-based, spine-and-leaf VXLAN EVPN data center within the same location. The networks are joined to enable host migration at Layer 2. What is the final migration step, after hosts have physically migrated, to have traffic flowing through the new network without changing any host configuration?

A. Shut down legacy infrastructure to allow VXLAN gateways to become active.
B. Increase VRRP priorities on new infrastructure over legacy VRRP values, then shut down legacy SVIs.
C. Shut down legacy Layer 3 SVIs, clear ARP caches on all hosts being migrated, and then configure the legacy VRRP address onto new VXLAN core switches.
D. Shut down legacy Layer 3 SVIs and activate new preconfigured Layer 3 SVIs on VXLAN.

Correct Answer: A

QUESTION 148
A network hacker is trying to interrupt the transport packet on IPSEC. A packet with duplicate sequence numbers is introduced. The customer sends high-priority traffic during this window. Which design parameter should be considered to mitigate this issue?

A. Classify and Mark duplicate sequence packets.
B. Increase QoS shape policy.
C. Enable anti-replay window.
D. Restrict key operations in the IPsec tunnel

Correct Answer: C

QUESTION 149
In a redundant hub and spoke “wheel” design, all spokes are connected to the hub, and spokes are connected to other spokes as well. During failure on one spoke link, the traffic from that site can be sent to a neighboring site for it to be forwarded to the hub site. But during peak hours, a link is overloaded and traffic is re-routed to a neighbor, which subsequently becomes overloaded. This overload results in network traffic oscillation as the load varies at each spoke site. This design provides more redundancy but not more resiliency because the routing protocol must process many alternate paths to determine the lowest cost path. Which two design changes help to improve resilience in this case? (Choose two.)

A. Increase the number of redundant paths considered during the routing convergence calculation.
B. Eliminate links between every spoke.
C. Use two links to each remote site instead of one.
D. Increase unequal-cost parallel paths.
E. Increase routing protocol convergence timers.

Correct Answer: CD

QUESTION 150
Feature-rich networks are complex network models that provide one or more features in addition to the network topology. In attributed networks, attributes are assigned to the nodes to describe the corresponding entities. For example, in a friendship network, the actors can be described by their genre and their age. Which two alternative network models can be used to model interaction over time or to model each attribute by a specific relationship?

A. location-aware network
B. probabilistic network
C. temporal network
D. heterogeneous network
E. information network
F. multilayer network

Correct Answer: CF

QUESTION 151
The General Bank of Greece plans to upgrade its legacy, end-of-life WAN network with a new flexible, manageable, and scalable solution. The main requirements are ZTP support, end-to-end encryption, application awareness, and segmentation. The CTO states that the main goal of the bank is CAPEX reduction. Which WAN technology should be used for the solution?

A. managed SD-WAN
B. SD-branch
C. SD-WAN
D. DMVPN with PfR

Correct Answer: C

QUESTION 152
A large enterprise cloud design team is evaluating different cloud consumption models. What is an example of typical PaaS limitations or concerns that should be considered during service design?

A. runtime issues
B. vendor lock-In
C. lack of control
D. multi-tenant security

Correct Answer: A

QUESTION 153
Which issue poses a challenge for security architects who want end-to-end visibility of their networks?

A. an overabundance of manual processes
B. too many overlapping controls
C. too many disparate solutions and technology silos
D. a network security skills shortage

Correct Answer: C

QUESTION 154
Which aspect of BGP-LS makes it scalable in large network when multiarea topology information must be gathered?

A. transmit flow control
B. open-loop flow control
C. TCP-based flow control
D. hardware flow control

Correct Answer: C

QUESTION 155
A software-defined network can be defined as a network with an API that allows applications to understand and react to the state of the network in near real time. A vendor is building an SDN solution that exposes an API to the RIB and potentially the forwarding engine directly. The solution provides off-box processes with the capability to interact with the routing table in the same way as a distributed routing process. Which SDN framework model does the solution use?

A. hybrid
B. replace
C. augmented
D. distributed

Correct Answer: A

QUESTION 156
Company XYZ is a large US-based online retailer that is preparing for a major sale scheduled for the holiday season. Large volumes of dynamic workloads are expected, which are time sensitive and seasonal. In anticipation of the surge in data, they are re-architecting their workload management. Which two technical considerations for service placement of workloads should be considered? (Choose two.)

A. service level agreement
B. time to market
C. workload elasticity
D. performance
E. business asset control

Correct Answer: CD

QUESTION 157
What is a connection service inside a data center that provides direct connectivity to a cloud provider?

A. Carrier-neutral facility
B. Cloud onRamp
C. Cloud direct connect
D. Cloud gateway

Correct Answer: C

QUESTION 158
Over the years, many solutions have been developed to limit control plane state, which reduces the scope or the speed of control plane information propagation. Which solution removes more specific information about a particular destination as topological distance is covered in the network?

A. layering
B. back-off timers
C. aggregation
D. summarization

Correct Answer: C

QUESTION 159
A large health provider in the EU wants to transition into cloud but they are faced with strong regulatory requirements because much of the data handled contains personally identifiable information. Also, data sovereignty restrictions dictate that the data is not alowed to leave the EU. Which cloud architecture is appropriate in this case?

A. SaaS
B. PaaS
C. private cloud
D. flex cloud

Correct Answer: A

QUESTION 160
What is a country-specific requirement that data is subject to the laws of the country in which it is collected or processed and must remain within its borders?

A. data replication
B. data sovereignty
C. data rationality
D. data inheritance

Correct Answer: B