400-007 Online Practice Questions and Answers

What are two examples of business goals to be considered when a network design is built? (Choose two.)

A. standardize resiliency

B. minimize operational costs

C. integrate endpoint posture

D. ensure faster obsolescence

E. reduce complexity

Refer to the table.

A customer investigates connectivity options for a DCI between two production data centers to aid a large-scale migration project. The migration is estimated to take 20 months to complete but might extend an additional 10 months if issues arise. All connectivity options meet the requirements to migrate workloads. Which transport technology provides the best ROI based on cost and flexibility?

A. CWDM over dark fiber

B. MPLS

C. DWDM over dark fiber

D. Metro Ethernet

A banking customer determines that it is operating POS and POI terminals that are noncompliant with PCI DSS requirements, as it is running TLSv1.0. The customer plans to migrate the terminals to TLSv1.2. What are two requirements to complete the migration? (Choose two.)

A. Ensure that strong cryptography is applied for users who have administrative access through networks

B. Apply strong cryptography and security protocols to safeguard sensitive cardholder data.

C. Apply strong encryption for transmission of cardholder data across public networks.

D. Protect all user systems against malware and frequently update antivirus software

E. Maintain a policy that addresses information security for employees and third parties.

Company XYZ has 30 sites running a legacy private WAN architecture that connects to the Internet via multiple high- speed connections The company is now redesigning their network and must comply with these design requirements :

1.

Use a private WAN strategy that allows the sites to connect to each other directly and caters for future expansion.

2.

Use the Internet as the underlay for the private WAN.

3.

Securely transfer the corporate data over the private WAN.

Which two technologies should be Incorporated into the design of this network? (Choose two.)

A. S-VTI

B. IPsec

C. DMVPN

D. GET VPN

E. PPTP

Agile and Waterfall are two popular methods for organizing projects. What describes any Agile network design development process?

A. working design over comprehensive documentation

B. contract negotiation over customer collaboration

C. following a plan over responding to change

D. processes and tools over individuals and interactions over time

A security architect receives reports of these incidents:

1.

An attacker exploits printers and medical devices in the organization to gain control of the network.

2.

An attacker disrupts operations through attacks on networked business infrastructure. What is the next step to address these issues after discovery and classification of devices?

A. Ensure trustworthiness of devices

B. Assess continuous security health monitoring

C. Apply a context-based network access control policy

D. Enforce risk-based and adaptive access policies

SDN is still maturing Throughout the evolution of SDN, which two things will play a key role in enabling a successful deployment and avoiding performance visibility gaps in the infrastructure? (Choose two.)

A. rapid on-demand growth

B. dynamic real-time change

C. falling back to old behaviors

D. peer-to-peer controller infrastructure

E. integration of device context

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 propagation timers

B. OSPF throttling timers

C. OSPF delay timers

D. OSPF flooding timers

A business wants to centralize services via VDI technology and to replace remote WAN desktop PCs with thin client-type machines to reduce operating costs.

Which consideration supports the new business requirement?

A. VDI servers should be contained centrally within a DMZ

B. The thin client traffic should be placed in a WAN QoS priority queue

C. VDI servers should be contained within dedicated VLANs in each branch location

D. The WAN should offer low latency and be resized

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 Layer 3 SVIs. clear ARP caches on all hosts being migrated and then configure the legacy VRRP address onto new VXLAN core switches

B. Increase VRRP priorities on new infrastructure over legacy VRRP values, then shut down legacy SVIs

C. Shut down legacy infrastructure to allow VXLAN gateways to become active

D. Shut down legacy Layer 3 SVIs and activate new preconfigured Layer 3 SVIs on VXLAN