A Review Of Best Quality 400-007 Question

NEW QUESTION 1
Refer to the exhibit. OSPF is running as the IGP to provide reachability to all AS100 networks. R3 and R4 are the current ABRs at the boundary of OSPF Area0 and Areal. Now BGP must be deployed within AS 100 because it will be receiving. Internet routes from its eBGP peers (the service provider) connected to R1 and R2.
What is an optimal solution for this deployment to configure BGP relationships and redistribute BGP learned routes into OSPF?

• A. R5 should be configured as a route reflector for R1, R2, R3 and R4. BGP routes must beredistributed at R1 and R2 into OSPF.
• B. Configuration should be set up with R1 and R2, and R3 in one sub AS, with and R4 in another,and redistribution at R1 and R2.
• C. A full mesh should be deployed between all the routers with mutual redistribution to take place atR1 and R2.
• D. R1, R2, R3 and R4 must be set up with a neighbor relationship with R5 only must not be a routereflector.

Answer: C

NEW QUESTION 2
According to the CIA triad principles for network security design, which principle should be priority for a Zero Trust network?

• A. requirement for data-in-motion encryption and 2FA authentication
• B. requirement for data-at-rest encryption foe user identification within the VPN terminationhardware
• C. categorization of systems, data, and enterprise BYOD assets that are connected to networkzones based on individual privacy needs
• D. ensuring that authorized users have high-availability system access from defined zones todefined systems or zones

Answer: A

NEW QUESTION 3
The Company XYZ network is experiencing attacks against their router.
Which type of Control Plane Protection must be used on the router to protect all control plane IP traffic that is destined directly for one of the router interfaces?

• A. Control Plane Protection host subinterface
• B. Control Plane Protection main interface
• C. Control Plane Protection transit subinterface
• D. Control Plane Protection CEF-exception subinterface

Answer: A

NEW QUESTION 4
Which BGP feature provides fast convergence?

• A. BGP PIC |
• B. BGP-EVPN
• C. BGP FlowSpec
• D. BGP-LS

Answer: A

NEW QUESTION 5
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)

• A. Use two phantom RP addresses
• B. Manipulate the administration distance of the unicast routes to the two RPs
• C. Manipulate the multicast routing table by creating static mroutes to the two RPs
• D. Advertise the two RP addresses in the routing protocol
• E. Use anycast RP based on MSDP peering between the two RPs
• F. Control routing to the two RPs through a longest match prefix

Answer: AF

NEW QUESTION 6
Which three elements help network designers to construct secure systems that protect information and resources (such as devices, communication, and data) from unauthorized access, modification, inspection, or destruction? (Choose three.)

• A. confidential
• B. serviceability
• C. reliability
• D. availability
• E. integrity
• F. scalability

Answer: ADE

NEW QUESTION 7
What best describes the difference between Automation and Orchestration?

• A. Automation refers to an automatic process for completing a single task and Orchestration refersto assembling and coordinating a set of tasks and conditions.
• B. Automation describes a hands-off configuration process while Orchestration refers to sets ofautomation tasks that require the network administrator to coordinate
• C. Automation refers to an automatic process for completing multiple tasks with conditions andOrchestration refers to executing tasks in parallel.
• D. Automation refers to scripting languages (Pytho
• E. Ansible etc.) and Orchestration refers tocommercial products that control configuration deployment

Answer: A

NEW QUESTION 8
Company XYZ is in the process of identifying which transport mechanism(s) to use as their WAN technology.
Their main two requirements are.
- a technology that could offer DPI, SLA, secure tunnels, privacy, QoS, scalability, reliability, and ease of management
- a technology that is cost-effective
Which WAN technology(ies) should be included in the design of company XYZ?

• A. Software-defined WAN should be the preferred choice because it complements both technologies, covers all the required features, and it is the most cost-effective solution.
• B. Internet should be the preferred option because it is cost effective and supports BFD, IP SL
• C. andIPsec for secure transport over the public Internet.
• D. Both technologies should be use
• E. Each should be used to back up the other one; where theprimary links are MPLS, the internet should be used as a backup link with IPsec (and vice versa).
• F. MPLS meets all these requirements and it is more reliable than using the Interne
• G. It is widelyused with defined best practices and an industry standard.

Answer: A

NEW QUESTION 9
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?

• A. asynchronous replication over dual data centers via DWDM
• B. synchronous replication over geographically dispersed dual data centers via MPLS
• C. synchronous replication over dual data centers via Metro Ethernet
• D. asynchronous replication over geographically dispersed dual data centers via CWDM

Answer: C

NEW QUESTION 10
Which two application requirements are mandatory tor traffic to receive proper treatment when placed in the priority queue? (Choose two.)

• A. small transactions (HTTP-like behavior)
• B. WRED drop treatment
• C. tolerance to packet loss
• D. intolerance to jitter
• E. TCP-based application

Answer: AD

NEW QUESTION 11
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 database replication.
Which solution supports these requirements?

• A. Add two new links between SW1 and SW2 configured as LACP trunk with STP
• B. Add secondary links to REP segments 1 and 2
• C. Add two new links between SW1 and SW2 configured as REP segment 3
• D. Add two new links between SW1 and SW2 configured as REP segments 1 and 2 respectively

Answer: C

NEW QUESTION 12
Refer to the diagram. Which solution must be used to send traffic from the foreign wireless LAN controller to the anchor wireless LAN controller?

• A. Send packets from the foreign controller to the anchor controller via Layer 3 MPLS VPN or VRFLite
• B. Send packets without encapsulation to the anchor controller over the routed network.
• C. Encapsulate packets into an EoIP tunnel and send them to the anchor controller.
• D. Send packets from the foreign controller to the anchor controller via IPinIP or IPsec tunnel.

Answer: C

NEW QUESTION 13
A network design includes a long signaling delay in notifying the Layer 3 control plane that an interface has failed.
Which two of these actions would reduce that delay? (Choose two.)

• A. Increase network stability.
• B. Reduce the time for the network to reconverge.
• C. Increase the notification of interface flaps.
• D. Enable lower data link layer recovery systems to have an opportunity to restore the interface

Answer: BD

NEW QUESTION 14
Which two control plane policer designs must be considered to achieve high availability? (Choose
two.)

• A. Control plane policers are enforced in hardware to protect the software path, but they arehardware platform dependent in terms of classification ability.
• B. Control plane policers are really needed only on externally facing devices.
• C. Control plane policers can cause the network management systems to create false alarms.
• D. Control plane policers must be processed before a forwarding decision is made.
• E. Control plane policers require that adequate protocols overhead are factored in to allow protocolconvergence.

Answer: AD

NEW QUESTION 15
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 sent twice from host A on two different NICs toward the two NICs on host B.
Which solution must be deployed in the network to ensure that any failure in the network does not trigger data loss on host B?

• A. EIGRP with feasible successors
• B. BFD
• C. IP Fast Reroute
• D. Static routes

Answer: C

NEW QUESTION 16
Which design benefit of PortF ast is true?

• A. PortFast does not generate a spanning tree topology change hen a station on a port is connectedor disconnected
• B. PortFast disables spanning tree on the port, which puts the port into the forwarding stateimmediately after it is connected
• C. PortFast allows small, unmanaged switches to be plugged into ports of access switches withoutrisking switch loops
• D. PortFast detects one-way communications on the physical port, which prevents switch loops
• E. PortFast prevents switch loops that are caused by a unidirectional point to point link condition onRapid PVST+ and MST
• F. PortFast prevents switched traffic from traversing suboptimal paths on the network

Answer: A

NEW QUESTION 17
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