Ensurepass

QUESTION 111

What is the definition of the ITIL framework?

 

A.

an ISO framework that establishes a model for network management and contains guidelines for managing objects, the management database, and the application entity

B.

a five-volume framework for service management that covers design, transition, and delivery of service, and from which the ISO 20000 was developed

C.

a series of tools for process improvement that uses statistical methods to reduce defects in processes and manufacturing

D.

a framework for enterprise architecture that provides a comprehensive approach for designing, planning, implementing, and governing an enterprise information architecture

E.

a framework for enterprise IP Address Management (IPAM) based on the IANA trusted IP lease allocation scheme

 

Correct Answer: B

 

 

QUESTION 112

What is a key benefit of a layered network design?

 

A.

cost savings

B.

increased security

C.

increased flexibility

D.

decreased broadcast

 

Correct Answer: C

QUESTION 113

Refer to the exhibit. A new IPv4 multicast-based video-streaming service is being provisioned. During the design-validation tests, you realize that the link between the two buildings is carrying multicast traffic even when there are no receivers connected to the switch in Building B and despite IGMP snooping being enabled on both Layer 2 switches and IGMPv2 runs on the hosts. Which design change will prevent the multicast traffic from being unnecessarily flooded throughout the campus network?

 

clip_image002

 

A.

Enable PIM snooping on both Layer 2 switches.

B.

Enable multicast storm control on the link between Switch 1 and Switch 2.

C.

Use static Layer 2 MAC forwarding entries on Switch 1.

D.

Change the IPv4 multicast group address such that it excludes the usage of link-local MAC addresses.

E.

Ensure that Switch 1 is a
n IGMP querier.

 

Correct Answer: D

 

 

QUESTION 114

Your company plans to implement an Internet gateway router that is performing NAT. This same gateway will be terminating various IPsec tunnels to other remote sites. Which address type is appropriate for the ACL that will govern the sources of traffic entering the tunnel in the inside interface?

 

A.

inside local

B.

inside global

C.

outside local

D.

outside global

 

< b>Correct Answer: B

 

 

QUESTION 115

Refer to the exhibit. Which single design aspect should be configured on the ABRs to reduce the impact of WAN upgrades for spoke routers on the core of the network?

 

clip_image003

 

A.

route summarization

B.

stub area

C.

route filtering

D.

not-so-stubby area

 

Correct Answer: A

 

 

QUESTION 116

Which two aspects are considered when designing a dual hub, dual DMVPN cloud topology? (Choose two.)

 

A.

recommended for high availability

B.

requires all sites to have dual Internet connections

C.

spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly

D.

hub sites must connect to both DMVPN clouds

E.

will only work with single-tier headend architecture

 

Correct Answer: AE

 

QUESTION 117

Company A has grown nationwide in the U.S., and each new remote branch has a Metro Ethernet circuit provisioned back to the data center at the headquarters on the West Coast. The operations team says that it cannot manage hundreds of circuits as the company continues to grow. You review the topology and notice that many of the branches are close to each other in geographical zones. How can you redesign this network to improve manageability and increase scalability?

 

A.

Add an aggregation layer router in each geographical zone.

B.

Add a redundant data center on the East Coast to serve some of the traffic there.

C.

Add a default route in each branch toward the data center on the West Coast.

D.

Use Optimized Edge Routing at the data center.

E.

Build an overlay MPLS network with Layer 3 VPN.

 

Correct Answer: A

 

 

QUESTION 118

Acme Corporation indicates that their network design must support the ability to scale to support a high number of remote sites. Which IGP is considered to scale better for a hub- and-spoke topology?

 

A.

BGP

B.

OSPF

C.

IS-IS

D.

EIGRP

 

Correct Answer: D

 

 

QUESTION 119

A company wants to use an external appliance between its data center and WAN to optimize email and HTTP communications. The traffic flow must pass this appliance in both directions. The appliance is connected with only one interface to a Cisco IOS router and has a single IP address. Which two adjustments can you make to the network design so that the appliance is added into the traffic path? (Choose two.)

 

A.

Configure static routes to route the traffic to the appliance.

B.

Adjust the dynamic routing to route the traffic to the appliance.

C.

Configure NAT to force the traffic to the appliance.

D.

Configure a route map at the data center-side interface to forward the traffic to the appliance IP address.

E.

Configure a route map at the appliance-facing interface to forward the traffic to the appliance IP address.

F.

Configure a route map at the WAN-side interface to forward the traffic to the appliance IP address.

 

Correct Answer: DF

 

 

 

 

 

 

QUESTION 120

A many-to-many enterprise messaging application is using multicast as a transport mechanism. As part of the network design for this application, which multicast address should be used, according to best practices outlined in RFC 2365?

 

A.

224.0.0.60

B.

232.192.0.60

C.

239.128.0.60

D.

239.193.0.60

 

Correct Answer: D

 

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