Cisco 400-007 Practice Test - Questions Answers, Page 28
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Refer to the exhibit.
After a network audit a network engineer must optimize the current network convergence time The proposed solution must consider link layer and control plane failures. Which solution meets the requirements?
Configure debounce timers
Increase fast hello timers
Implement BFD
Enable LSP fast flood
Refer to the exhibit.
Company XYZ must design a DMVPN tunnel between the three sites Chicago is going to act as the NHS and the company wants DMVPN to detect peer endpoint failures Which technology should be used m the design?
VPLS
IP SLA
GRE
L2TPv3
Which component of the SDN architecture automatically ensures that application traffic is routed according to policies established by network administrators?
packet forwarding engine
northbound API
southbound API
SDN controller
The major business applications of an enterprise are largely monolithic and hard-coded As part of a major modernization and overhaul of the applications the goal is to move to a modular and containerized application architecture mode At the same time decoupling from the hardware is desired to move to an on-demand provisioning However the CyberOps team mandated that the final architecture must provide the same security levels as an air-gapped data center. Which cloud architecture meets these requirements?
laaS
private cloud
PaaS
hybrid cloud
public cloud
Which issue poses a challenge for security architects who want end-to-end visibility of their networks?
too many overlapping controls
too many disparate solutions and technology silos
an overabundance of manual processes
a network security skills shortage
Refer to the exhibit.
The WAN network of the General Bank of Greece has experienced several outages It takes too long to activate a new branch site The networking department of the bank plans to upgrade the legacy end-of-life WAN network with a new flexible manageable, and scalable in-house solution The number of branches will increase exponentially in the next fiscal year The CTO states that the bank's mam goal is OPEX reduction The network engineering team prepares a table to evaluate the available options Which WAN technology can be used for the solution?
DMVPN over L3VPN
Managed SD-WAN
SD-WAN over L3VPN
SD-WAN over L2VPN
Which two statements describe the functionality of OSPF packet-pacing timers? (Choose two )
The group-pacing timer controls the interval that is used for group and individual LSA refreshment
OSPF flood-pacing timers allow dynamic control of the OSPF transmission queue size
OSPF retransmission-pacing timers allow control of interpacket spaang between consecutive link-state update packets in the OSPF retransmission queue.
OSPF retransmission-pacing timers allow control of packet interleaving between nonconsecutive link-state update packets in the OSPF retransmission queue.
OSPF flood-pacing timers allow control of interpacket spacing between consecutive link-state update packets in the OSPF transmission queue
The SD-WAN architecture is composed of separate orchestration management, control, and data planes Which activity happens at the orchestration plane?
automatic onboarding of the SD-WAN routers into the SD-WAN overlay
decision-making process on where traffic flows
packet forwarding
central configuration and monitoring
The Company XYZ network requires OSPF dead neighbor detection in a subsecond manner However the company network does not support BFD Which other feature can be used to fulfill the design requirement?
STP
fast hello
LFA
DPD
Which three items do you recommend for control plane hardening of an infrastructure device? (Choose three.)
routing protocol authentication
SNMPv3
Control Plane Policing
redundant AAA servers
warning banners
to enable unused services
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