Cisco 400-007 Practice Test - Questions Answers
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An enterprise that runs numerous proprietary applications has major issues with its on-premises server estate hardware, to the point where business-critical functions are compromised. The enterprise accelerates plans to migrate services to the cloud. Which cloud service should be used if the enterprise wants to avoid hardware issues yet have control of its applications and operating system?
SaaS
PaaS
laaS
hybrid cloud
Which two features control multicast traffic in a VLAN environment? (Choose two)
IGMP snooping
MLD snooping
RGMP
PIM snooping
pruning
Company XYZ wants to secure the data plane of their network. Which two technologies can be included in the security design? (Choose two)
DAI
IP Source Guard
BEEP
CPPr
MPP
Company XYZ has a new network based on IPv6. Some of the subnets that they are planning to use will be confidential and need an addressing scheme that confines them to the local campus network.
Which type of IPv6 addresses can be used for these networks in the IPv6 addressing design?
local addresses
private addresses
link-local addresses
unique local addresses
An architect receives a business requirement from a CTO that states the RTO and RPO for a new system should be as close as possible to zero. Which replication method and data center technology should be used?
asynchronous replication over dual data centers via DWDM
synchronous replication over geographically dispersed dual data centers via MPLS
synchronous replication over dual data centers via Metro Ethernet
asynchronous replication over geographically dispersed dual data centers via CWDM
Which two data plane hardening techniques are true? (Choose two)
warning banners
redundant AAA servers
Control Plane Policing
SNMPv3
infrastructure ACLs
disable unused services
routing protocol authentication
You have been asked to design a high-density wireless network for a university campus. Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)
Implement a four-channel design on 2.4 GHz to increase the number of available channels
Choose a high minimum data rate to reduce the duty cycle.
increases the number of SSlDs to load-balance the client traffic.
Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
Company XYZ is redesigning their QoS policy. Some of the applications used by the company are realtime applications. The QoS design must give these applications preference in terms of transmission.
Which QoS strategy can be used to fulfill the requirement?
weighted fair queuing
weighted random early detection
low-latency queuing
first-in first-out
As part of workspace digitization, a large enterprise has migrated all their users to Desktop as a Sen/ice (DaaS), by hosting the backend system in their on-premises data center. Some of the branches have started to experience disconnections to the DaaS at periodic intervals, however, local users in the data center and head office do not experience this behavior. Which technology can be used to mitigate this issue?
tail drop
traffic shaping
WRED
traffic policing
Refer to the exhibit.
The enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides a Layer3 VPN solution and manages the CE routers, but they do not currently support multicast. Which solution quickly allows this multicast traffic to go through while allowing for future scalability?
Enable a GRE tunnel between nodes CE1 and CE2
Enable a GRE tunnel between nodes C2 and C4
Enable a GRE tunnel between nodes C1 and C4
Implement hub and spoke MPLS VPN over DMVPN (also known as 2547o DMVPN) between CE1 and CE2
The service provider must provide a Draft Rosen solution to enable a GRE tunnel between nodes PE1 and PE2
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