Pass the Cisco CCNP Enterprise 300-420 Questions and answers with CertsForce

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Questions # 71:

Question # 71

Refer to the exhibit. A company specializing in VoD content creation has two offices in a separate multicast domain connected by a WAN link. BGP communication has been established between the offices. Clients are inside the LAN in each office. In AS5373. R2 has been selected as RP. What must the network architect design to deliver VoD content to clients in AS65773?

Options:

A.

MSDP


B.

PIM ASM with Auto-RP


C.

PIM SSM


D.

PIM ASM with BSR


Expert Solution
Questions # 72:

An engineer must design an in-band management solution for a customer with branch sites. The solution must allow remote management of the branch sites using management protocols over an MPLS WAN. Queueing is implemented at the remote sites using these classes:

Question # 72

How must the solution prioritize the management traffic over the WAN?

Options:

A.

Mark the traffic with DSCP CS1 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to CIass3.


B.

Mark the traffic with DSCP CS6 and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2


C.

Mark the traffic with DSCP EF and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2.


D.

Mark the traffic with DSCP CS2 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to Class3


Expert Solution
Questions # 73:

An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service provider. The hand-off from the provider's switch to the customer's router is 1Gbps. Which solution should the engineer include to prevent potential issues with choppy voice traffic?

Options:

A.

Reduce the bandwidth of the connection to the router.


B.

Implement hierarchical QoS with a parent policing policy.


C.

Implement hierarchical QoS with a parent shaping policy.


D.

Add a bandwidth statement to the router interface.


Expert Solution
Questions # 74:

An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?

Options:

A.

RSVP


B.

Diffserv


C.

Best effort


D.

Interserv


Expert Solution
Questions # 75:

A global organization with several branches hired a network architect to design an overlay VPN solution. The branches communicate with each other frequently. The customer expects to add more branches in the future. To meet the customer's security requirements, the architect plans to provide traffic protection using dynamic IPsec tunnels. Which solution should the architect choose?

Options:

A.

DMVPN


B.

EasyVPN


C.

GETVPN


D.

L2TP


Expert Solution
Questions # 76:

A company wants to deploy IPv6 within its existing network infrastructure. All current infrastructure equipment supports IPv6, and the company wants a migration strategy that must not require purchasing additional equipment The plan must keep operational management costs low. support IPv6 multicast, and allow applications to migrate using DNS. Which strategy must the company choose?

Options:

A.

hybrid ISATAP tunnel model


B.

hybrid manual tunnel model


C.

service block model


D.

dual-stack model


Expert Solution
Questions # 77:

How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?

Options:

A.

VLANs are used to segment traffic at Layer 2.


B.

5-tuples and ACLs are used to permit or deny traffic.


C.

SGTs and SGTACLs are used to control access to various resources.


D.

VRFs are used to segment traffic at Layer 3.


Expert Solution
Questions # 78:

An architect is designing a network for an enterprise site. The design must use an active/backup design for the WAN. It must guarantee the SLA for several applications regardless of which connection is used. Which deployment model should the architect choose?

Options:

A.

MPLS WAN from two separate ISPs


B.

hybrid WAN using MPLS VPN and internet VPN from a single ISP


C.

hybrid WAN using MPLS VPN and internet VPN from two separate ISPs


D.

internet WAN from two separate ISPs


Expert Solution
Questions # 79:

Question # 79

Refer to the exhibit. An engineer must connect the IPv6 island to the IPv4-only network to provide IPv6 hosts access to file servers and DNS services in the IPv4 network. Which NAT should the engineer choose?

Options:

A.

stateless NAT66


B.

stateful NAT66


C.

static NAT-PT


D.

dynamic NAT-PT


Expert Solution
Questions # 80:

Question # 80

Refer to the exhibit A customer requires maximum uptime for the data plane between R1 and R3 running OSPF Which solution must the design include for high availability if the routing process on R2 requires maintenance?

Options:

A.

BFD on all routers


B.

nonstop forwarding on R1 and R3


C.

nonstop forwarding on R3 only


D.

graceful restart on all routers


Expert Solution
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