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?

synchronous replication over dual data centers via Metro Ethernet

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)

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.)

Choose a high minimum data rate to reduce the duty cycle.

Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.

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 random early detection

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 C2 and C4

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

An enterprise network has two core routers that connect to 200 distribution routers and uses fullmesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective?

Implement route reflectors on the two core routers

Increase the memory on the core routers

Implement e BGP between the core and distribution routers

Increase the memory on the distribution routers

Increase bandwidth between the core routers

A multicast network is sing Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)

Control routing to the two RPs through a longest match prefix

Manipulate the administration distance of the unicast routes to the two RPs

Manipulate the multicast routing table by creating static mroutes to the two RPs

Advertise the two RP addresses in the routing protocol

Use anycast RP based on MSDP peering between the two RPs

Control routing to the two RPs through a longest match prefix

Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services Is true?

first-hop router registration to the RP

multicast client registration to the RP

multicast source registration to the RP

transport of all IPv6 multicast traffic

How can EIGRP topologies be designed to converge as fast as possible in the event of a point-topoint link failure?

Limit the query domain by use of summarization.

Limit the query domain by use of distribute lists.

Build neighbor adjacencies in a triangulated fashion.

Build neighbor adjacencies in squared fashion.

Limit the query domain by use of summarization.

Limit the query domain by use of default routes.

Which effect of using ingress filtering to prevent spoofed addresses on a network design is true?

It protects the network Infrastructure against spoofed DDoS attacks.

It reduces the effectiveness of DDoS attacks when associated with DSCP remarking to Scavenger.

It protects the network Infrastructure against spoofed DDoS attacks.

It Classifies bogon traffic and remarks it with DSCP bulk.

It filters RFC 1918 IP addresses.

Which relationship between IBGP and the underlying physical topology is true?

iBGP full mesh requirement does not dictate any specific network topology.

iBGP can worn only on a ring network topology with a link-state protocol like OSPF or IS-IS

iBGP full mesh requires an underlying fully meshed network topology.

iBGP does not work on a ring network topology even with an underlying IGP.

Refer to the exhibit. Traffic was equally balanced between Layer 3 links on core switches SW1 and SW2 before an introduction of the new video server in the network. This video server uses multicast to send video streams to hosts and now one of the links between core switches is over utilized Which design solution solves this issue?

Aggregate links Layer 2 link aggregation.

Add more links between core switches.

Aggregate links Layer 2 link aggregation.

Apply a more granular load- balancing method on SW1.

Apply a more granular load-balancing method on SW2.

Filter IGMP joins on an over -utilized link.

How must the queue sizes be designed to ensure that an application functions correctly?

The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.

Each individual device queuing delay in the chain must be less than or equal to the application required delay.

The queuing delay on every device in the chain must be exactly the same to the application required delay.

The default queue sizes are good for any deployment as it compensates the serialization delay.

The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.

Which Interconnectivity method offers the fastest convergence in the event of a unidirectional issue between three Layer 3 switches connected together with routed links in the same rack in a data center?

Fiber Ethernet connectivity with BFD enabled

Copper Ethernet connectivity with BFD enabled

Copper Ethernet connectivity with UDLD enabled

Fiber Ethernet connectivity with BFD enabled

Fiber Ethernet connectivity with UDLD enabled

Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection? (Choose two.)

Replace any electrical links with optical links

Which function is performed at the access layer of the three-layer hierarchical network design model?

QoS classification and marking boundary

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 on the LHR interface indicated*?

It is switched due to a successful RPF check against the routing table

It is dropped due to an unsuccessful RPF check against the multicast source

It is switched give that no RPF check is performed

It is switched due to a successful RPF check against the routing table

It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.

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 acknowledgements during route updates. Which action can be performed to tune the device performance?

Increase the size of the hold queue.

Increase the size of the large buffers.

Decrease the size of the small buffers.

Increase the keepalive timers for each BGP neighbor.

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

small transactions (HTTP-like behavior)

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

The Reported Distance from a successor is lower than the local Feasible Distance.

A feasible successor must be present.

The Reported Distance from a successor is lower than the local Feasible Distance.

The Reported Distance from a successor is higher than the local Feasible Distance.

The feasibility condition does not need to be met.

The Feasible Distance from a successor is lower than the local Reported Distance.

A feasible successor must be present.

Company XYZ has a hub-and-spoke topology over an SP-managed infrastructure. To measure traffic performance metrics, they implemented IP SLA senders on all spoke CE routers and an IP SLA responder on the hub CE router. What must they monitor to have visibility on the potential performance impact due to the constantly increasing number of spoke sites?

CPU and memory usage on the spoke routers

interface buffers on the hub and spoke routers

Which optimal use of interface dampening on a fast convergence network design is true?

when numerous adjacent flaps of very short duration occur

When occasional flaps of long duration occur

when numerous adjacent flaps of very short duration occur

when the router hardware it slower than the carrier delay down detection

when the switch hardware is faster than the debounce timer down detection

Refer to the exhibit. Which impact of using three or more ABRs between the backbone area and area 1 is true?

In a large-scale network LSA replication by all ABRs can cause serious scalability issues

Multiple ABRs reduce the CPU processing on each A6R due to splitting prefix advertisement

In a large-scale network multiple ABRs can create microloops.

Prefixes from the non-backbone area are advertised by one ABR to the backbone

Which two statements describe the hierarchical LAN design model? (Choose two)

It is a well-understood architecture that provides scalability

Changes, upgrades, and new services can be introduced in a controlled and stagged manner

It is a well-understood architecture that provides scalability

It is the best design for modern data centers

It is the most optimal design but is highly complex

It provides a simplified design

Changes, upgrades, and new services can be introduced in a controlled and stagged manner

Which two points must network designers consider when designing a new network design or when evaluating an existing network design to help them understand the high-level design direction with regards to the security aspects? (Choose two)

Consider Business objectives and goals

Consider organization’s security policy standards

Consider Business objectives and goals

Consider organization’s security policy standards

Consider for only multi-site networks

Consider for only new network technologies and components

Which architecture does not require an explicit multicast signaling protocol, such as PIM or P2MP, to signal the multicast state hop-by-hop, but instead uses a link state protocol to advertise the multicast forwarding state?

Bit indexed explicit replication

Binary indexed explicit routing

Binary intermediate enhanced routing

Bit indexed explicit replication

Bi-directional implicit replication

Cisco 400-007 Practice Test 1 - Free Online Exam Prep & Questions

Question 1 / 40

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

Comment (0)

Cisco 400-007 Practice Test 1

Question

Cisco 400-007 Practice Tests

Practice Tests