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Viewing questions 11-20 out of questions
Questions # 11:

An ISP provides VoIP and internet services to its customers. For security reasons, these services must be transported in different MPLS Layer 3 VPNs over the ISP core network. The customer CEs do not have the ability to segment the services using different VLANs and have only one uplink interface that does not support VLAN tagging. How should you design the network to ensure that VoIP traffic that is received from the CE goes in the VoIP VPN, and that Internet traffic goes into the Internet VPN on the ISP PE devices?

Options:

A.

Use a secondary interface IP address to differentiate between VoIP and Internet traffic

B.

Extend the Layer 3 VPN toward the CE

C.

Enable NBAR on the PE to direct the traffic into the correct VRF

D.

Use a subinterface on the PE for each service, VoIP and Internet, with different subnets

E.

Use policy-based routing to direct traffic into the correct VRF

Questions # 12:

Refer to the exhibit.

Question # 12

As part of your design to monitor reachable services, a route health injector has just been deployed on the network. The route health injector injects /32 host routes into BGP with the next hop of 192.18.0.2, but the /32 routes are not being installed into the RIB or FIB of Router A. Which BGP feature must be deployed to make be deployed to make the design to work?

Options:

A.

BGP community attributes

B.

MP-BGP

C.

BGP AS-Path prepending

D.

eBGP multihop attribute

Questions # 13:

You are designing a new multisite data center network within the same city. You are using the newest routers that run OSPF and DWDM point-to-point interfaces for site-to-site connectivity. Your primary objective is to use the fastest possible method for interface failure detection. Which method achieves this objective?

Options:

A.

UDLD

B.

Interface event dampening

C.

LoS/AIS event faults

D.

Fast-hello timers

Questions # 14:

A service provider is designing a new backbone based on an IGP and MPLS what are two valid reasons for implementing MPLS-TE as well? (Choose two)

Options:

A.

MPLS-TE is required to reroute traffic within less than 1 second in case of a link failure inside the backbone

B.

MPLS-TE can detect and react to neighbor failures faster than IGPs can

C.

MPLS-TE is required to route different MPLS QoS Service classes through different paths

D.

MPLS-TE is required to create backup paths independently from the IGP

E.

MPLS-TE is a prerequisite for implementing RSVP in the backbone

Questions # 15:

Your client is considering acquiring a new IPv6 address block so that all Ethernet interfaces on the network receive addresses based on their burned-in hardware addresses, with support for 600 VLANs. Which action do you recommend?

Options:

A.

Acquire a new /60 IPv6 network and subnet it into /70 networks, one per VLAN

B.

Acquire a new /58 IPv6 network and subnet it into /64 networks, one per VLAN

C.

Acquire a new /60 Ipv6 network and subnet it into /68 networks, one per VLAN

D.

Acquire a new/54 IPv6 network and subnet it into /64 networks , one per VLAN

Questions # 16:

Refer to the Exhibit.

Question # 16

The server is running multiple VLANs on its NIC. Which two Layer 2 features should be applied to the network location identified by a circle? (Choose two)

Options:

A.

UDLD

B.

BPDU guard

C.

BPDU filtering

D.

Port Fast

E.

Loop guard

F.

PortFast trunk

Questions # 17:

You have been asked to design a wireless network solution that will implement context-aware services on an existing network that was initially deployed for data traffic only. Which two design principles would you follow to increase the location accuracy with the least possible impact on the current setup? (Choose two.)

Options:

A.

Use directional antennas to provide better cell separation.

B.

Add access points along the perimeter of the coverage area.

C.

Install additional APs in monitor mode where the co-channel interference would otherwise be affected.

D.

Increase the AP density to create an average inter-access point distance of less than 40 ft.| 12.2meters

E.

Fine tune the access point’s radio configuration to have a higher average transmission power to achieve better coverage.

Questions # 18:

Refer to the exhibit.

Question # 18

This enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides a Layer 3VPN solution and manages the CE routers, but they do not currently multicast. Which solution quickly allows this multicast traffic to go through while allowing for future scalability?

Options:

A.

Enable a GRE tunnel between nodes C1 and C4

B.

Enable a GRE tunnel between nodes CE1 and CE2

C.

Enable a GRE tunnel between nodes C2 and C4

D.

Implement hub and spoke MPLS VPN over DMVPN(also known as 2547oDMVPN) between CE1 and CE2

E.

The service provider must provide a Draft Rosen Solution to enable a GRE tunnel node PE1 and PE2

Questions # 19:

You are designing an optical network. Your goal is to ensure that your design contains the highest degree of resiliency. In which two ways should you leverage a wavelength-switched optical network solution in your network design? (Choose two.)

Options:

A.

a wavelength-switched optical network guarantees restoration based strictly on the shortest path available

B.

a wavelength-switched optical network provides fault tolerance for single failures only

C.

a wavelength-switched optical network takes linear and nonlinear optical impairment calculation into account

D.

a wavelength-switched optical network assigns routing and wavelength information

E.

a wavelength-switched optical network eliminates the need for dispersion compensating units in a network

Questions # 20:

When is it required to leak routes into an IS-IS level 1 area?

Options:

A.

When MPLS L3VPN PE devices are configured in the level 1 areas

B.

When unequal cost load balancing is required between the backbone and nonbackbone areas

C.

When a multicast RP is configured in the nonbackbone area

D.

When equal cost load balancing is required between the backbone and nonbackbone areas

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