400-007 Exam Questions
454 real 400-007 exam questions with expert-verified answers and explanations. Page 2 of 10.
- Question #51Designing Security
Your network operations team is deploying Access Control Lists (ACLs) across your Internet gateways. They wish to place an ACL inbound on the Internet gateway interface facing the...
ACLNATinside local addressInternet gateway - Question #52Designing Network Infrastructure
You are designing a network for a branch office. In order to improve convergence time, you are required to use the BFD feature. Which four routing protocols can you use to facilita...
BFDrouting protocol supportconvergenceIS-IS EIGRP BGP - Question #53Designing Network Infrastructure
A senior network designer suggests that you should improve network convergence times by reducing BGP timers between your CE router and the PE router of the service provider. Which...
BGP timersCE-PE designconvergence tuningservice provider agreement - Question #54Designing Security
You were tasked to enhance the security of a network with these characteristics: - A pool of servers is accessed by numerous data centers and remote sites - The servers are accesse...
uRPF loose modeasymmetric routingfirewall clusteranti-spoofing - Question #55Designing Network Infrastructure
A network architect must redesign a service provider edge, where multiservice and multitenant PEs are currently present. Which design feature should be minimized in the new design...
fate sharingservice provider edgereliabilitymultiservice PE - Question #56Designing Network Services
You are designing a network running both IPv4 and IPv6 to deploy QoS. Which consideration is correct about the QoS for IPv4 and IPv6?
QoSIPv4 IPv6 dual-stackLLQunified QoS policy - Question #57Designing Security
A company plans to use BFD between its routers to detect a connectivity problem inside the switched network. An IPS is transparently installed between the switches. Which packets s...
BFD echo modeIPS transparencyloopback packetspacket filtering - Question #58Designing Network Infrastructure
A Tier-3 Service Provider is evolving into a Tier-2 Service Provider due to the amount of Enterprise business it is receiving. The network engineers are re-evaluating their IP/MPLS...
MPLS L3VPNRoute Distinguisheroverlapping IP addressingVRF design - Question #59Designing Network Infrastructure
Which three Cisco products are used in conjunction with Red Hat to provide an NFVi solution? (Choose three.)
NFViRed Hat OpenStackCisco UCSCisco Nexus - Question #60Designing Network Infrastructure
What are two key design principles when using a hierarchical core-distribution-access network model? (Choose two )
hierarchical network designcore-distribution-accessfault isolationcampus design - Question #61Designing Network Services
A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platfor...
Policy Based RoutingVRF selectionmanaged CEservice provider - Question #62Designing Network Services
An MPLS service provider is offering a standard EoMPLS-based VPLS service to CustomerA providing Layer 2 connectivity between a central site and approximately 100 remote sites. Cus...
VPLSmulticast scalabilityIGMP snoopingEoMPLS - Question #63Designing Management and Operations
What best describes the difference between Automation and Orchestration?
automationorchestrationnetwork management - Question #64Designing Network Infrastructure
A customer asks you to perform a high level review of their upcoming WAN refresh for remote sites. The review is specially focused on their retail store operations consisting of 50...
IS-ISWAN designmultipoint IPsec VPNrouting protocol selection - Question #65Designing Network Infrastructure
As part of a new network design documentation, you are required to explain the reason for choosing cisco FabricPath for Layer 2 loop avoidance. Which two elements help Cisco Fabric...
FabricPathLayer 2 loop avoidanceRPF checkTTL - Question #66Designing Network Infrastructure
Which design benefit of PortF ast is true?
PortFastSpanning Tree Protocoltopology changeaccess layer - Question #67Designing Security
You are a network designer and you must ensure that the network you design is secure. How do you plan to prevent infected devices on your network from sourcing random DDoS attacks...
uRPF strict modeIP spoofingDDoS mitigationsource address validation - Question #68Designing Network Infrastructure
Which protocol does an SD-Access wireless Access Point use for its fabric data plane?
SD-AccessVXLANfabric data planewireless AP - Question #69Designing Network Infrastructure
Refer to the exhibit. AJI links are P2P Layer 3. A high availability application is synchronizing data between host A and host B. To increase chance of delivery the same data is se...
EIGRP feasible successorshigh availabilityfast convergencedual-homed hosts - Question #70Designing Management and Operations
Which encoding format does cisco ios XE software support for NETCONF?
NETCONFXML encodingIOS XEnetwork automation - Question #71Designing Network Infrastructure
Which two design solutions ensure sub 50 msec of the convergence time after a link failure in the network? (Choose two)
Ti-LFAMPLS-FRRsub-50ms convergencefast reroute - Question #72Designing Network Infrastructure
You want to split an Ethernet domain in two. Which parameter must be unique in this design to keep the two domains separated?
VLAN IDEthernet domain separationLayer 2 segmentation - Question #73Designing Network Infrastructure
Refer to the exhibit. A new high availability DB sever cluster is installed in the network. These two servers require high bandwidth and low latency Layer 2 connectivity for databa...
REP segmentLayer 2 high availabilityDB replicationlink aggregation - Question #74Designing Network Services
VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?
VPLSPE scalabilityLayer 2 VPNVLAN scale - Question #75Designing Network Infrastructure
Which option is a fate-sharing characteristic in regards to network design?
fate sharingfailure domainnetwork design principleshigh availability - Question #78Designing Network Services
Refer to the exhibit. This enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides...
multicastGRE tunnelLayer 3 VPNmulticast over MPLS - Question #79Designing Network Infrastructure
An enterprise network has two core routers that connect to 200 distribution routers and uses full- mesh IBGP peering between these routers as its routing method. The distribution r...
BGP route reflectorsIBGP full meshBGP scalabilityCPU utilization - Question #80Designing Network Infrastructure
You want to mitigate failures that are caused by STP loops that occur before UDLD detects the failure or that are caused by a device that is no longer sending BPDUs. Which mechanis...
Loop guardUDLDSTP loop preventionunidirectional link - Question #81Designing Network Infrastructure
How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?
OSPF broadcastDR/BDR electionneighbor adjacencynetwork type - Question #82Designing Network Services
An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wi...
wireless LANContext Aware Serviceslocation trackingAP placement - Question #83Designing Network Infrastructure
Which statement about hot-potato routing architecture design is true?
hot-potato routingBGP routing policyinter-AS routingtraffic engineering - Question #84Designing Network Infrastructure
Two enterprise networks must be connected together. Both networks are using the same private IP addresses. The client requests from both sides should be translated using hide NAT (...
NAToverlapping IP addressesdynamic NAT overloadNAT Virtual Interface - Question #85Designing Network Infrastructure
Refer to the exhibit. As part of a redesign project, you must predict multicast behavior. What happens to the multicast traffic received on the shared tree (*,G), if it is received...
multicastPIM-SMRPF checkshared tree - Question #86Designing Management and Operations
A BGP route reflector in the network is taking longer than expected to coverage during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknow...
BGP route reflectorTCP performance tuninghold queuerouter scalability - Question #87Designing Network Services
Which two application requirements are mandatory tor traffic to receive proper treatment when placed in the priority queue? (Choose two.)
QoSpriority queuejitter tolerancetraffic classification - Question #88Designing Network Infrastructure
Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)
EIGRPfeasibility conditionfeasible successorReported Distance - Question #89Designing Network Infrastructure
You are designing a new Ethernet-based metro-area network for an enterprise customer to connect 50 sites within the same city OSPF will be the routing protocol used. The customer i...
Metro EthernetOSPF designIP address conservationhub-and-spoke - Question #90Designing Network Infrastructure
Which two statements about MLD snooping are true? (Choose two)
MLD snoopingIPv6 multicastquerier electionVLAN - Question #91Designing Network Infrastructure
Which two design option are available to dynamically discover the RP in an IPv6 multicast network? (Choose two)
IPv6 multicastRP discoveryBSRembedded RP - Question #92Designing Management and Operations
Company A has a hub-and spoke topology over an SP-managed infrastructure. To measure traffic performance metrics. IP SLA senders on all spoke CE routers and an IP SLA responder on...
IP SLAhub-and-spokeperformance monitoringCPU utilization - Question #93Designing Network Infrastructure
Which two descriptions of CWDM are true? (Choose two)
CWDMoptical networkingWDMpassive optical devices - Question #94Designing Security
SDWAN networks capitalize the usage of broadband Internet links over traditional MPLS links to offer more cost benefits to enterprise customers. However, due to the insecure nature...
SD-WANIPsecNAT traversaloverlay transport - Question #95Designing Network Infrastructure
Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?
hot-potato routingOSPF redistributionexternal metricrouting design - Question #96Gathering and Clarifying Requirements
What are two primary design constraints when a robust infrastructure solution is created? (Choose two.)
design constraintsproject scopecostrequirements gathering - Question #97Designing Network Infrastructure
SD-WAN can be used to provide secure connectivity to remote offices, branch offices, campus networks, data centers, and the cloud over any type of IP-based underlay transport netwo...
SD-WANcentralized orchestrationzero-touch provisioningcontrol plane separation - Question #98Designing Network Infrastructure
An architect designs a multi-controller network architecture with these requirements: - Achieve fast failover to control traffic when controllers fail. - Yield a short distance and...
SDNmulti-controllercontrol path reliabilityfailover design - Question #99Designing Network Infrastructure
Company XYZ is planning to deploy primary and secondary (disaster recovery) data center sites. Each of these sites will have redundant SAN fabrics and data protection is expected b...
data center replicationSANRPO/RTOVSAN design - Question #100Designing Network Services
Which undesired effect of increasing the jitter compensation buffer is true?
jitter bufferQoSvoice qualitytransport delay - Question #101Designing Management and Operations
Which three tools are used for ongoing monitoring and maintenance of a voice and video environment? (Choose three.)
voice monitoringvideo QoSsynthetic probesflow analysis - Question #102Designing Network Infrastructure
Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)
DWDMoptical networkingbandwidth expansionWDM