400-007 Practice Questions

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...

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...

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...

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...

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...

You are designing a network running both IPv4 and IPv6 to deploy QoS. Which consideration is correct about the QoS for IPv4 and IPv6?

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...

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...

Which three Cisco products are used in conjunction with Red Hat to provide an NFVi solution? (Choose three.)

What are two key design principles when using a hierarchical core-distribution-access network model? (Choose two )

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...

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...

What best describes the difference between Automation and Orchestration?

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...

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...

Which design benefit of PortF ast is true?

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...

Which protocol does an SD-Access wireless Access Point use for its fabric data plane?

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...

Which encoding format does cisco ios XE software support for NETCONF?

Which two design solutions ensure sub 50 msec of the convergence time after a link failure in the network? (Choose two)

You want to split an Ethernet domain in two. Which parameter must be unique in this design to keep the two domains separated?

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...

VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?

Which option is a fate-sharing characteristic in regards to network design?

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...

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...

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...

How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?

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...

Which statement about hot-potato routing architecture design is true?

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 (...

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...

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...

Which two application requirements are mandatory tor traffic to receive proper treatment when placed in the priority queue? (Choose two.)

Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)

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...

Which two statements about MLD snooping are true? (Choose two)

Which two design option are available to dynamically discover the RP in an IPv6 multicast network? (Choose two)

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...

Which two descriptions of CWDM are true? (Choose two)

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...

Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?

What are two primary design constraints when a robust infrastructure solution is created? (Choose two.)

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...

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...

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...

Which undesired effect of increasing the jitter compensation buffer is true?

Which three tools are used for ongoing monitoring and maintenance of a voice and video environment? (Choose three.)

Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)