Ensurepass

QUESTION 71

Voice traffic between two campus enterprise networks is growing. The network designers decide to add a second 10-Mb Metro Ethernet service parallel to their original 10-Mb service in order to provide more bandwidth and diversity. The QoS profile will be the same on the new 10-Mb service due to the voice stability on the first Metro Ethernet link. When the second link is added to the OSPF domain, which traffic design consideration would have the most impact on the voice traffic when both links are active?

 

A.

per-destination IP address basis

B.

per-flow basis

C.

per-packet basis

D.

per-source IP address basis

 

Correct Answer: C

 

 

QUESTION 72< /font>

You are designing a Group Encrypted Transport virtual private network solution for an existing branch network. The existing network has the following characteristics:

 

clip_image00250 remote sites (with an additional 30 remote sites expected over the next 3 years)

clip_image002[1]Connectivity between all sites is via Multiprotocol Label Switching Layer 3 virtual private network service from a single provider

clip_image002[2]Open Shortest Path First is the routing protocol used between provider edge and customer edge routers

clip_image002[3]The customer edge routers will become group members performing the encryption between sites

 

Which additional routing protocol would you use for the overlay routing between the group members?

 

A.

Open Shortest Path First (with a different process ID)

B.

Enhanced Interior Gateway Routing Protocol

C.

No additional protocol is necessary.

D.

External Border Gateway Protocol

E.

Routing Information Protocol Version 2

F.

Next Hop Resolution Protocol

 

Correct Answer: C

 

 

QUESTION 73

You are designing a network that will run EIGRP over a Metro Ethernet service that does not employ a link-loss technology. What will be the impact on convergence if there is a break in the end-to-end Layer 2 connectivity within the service provider network?

 

A.

The routers will immediately lose their adjacencies and converge.

B.

The routing protocol will not converge until the hold timers have expired.

C.

The switch ports connected to the router will go down and the routers will immediately converge.

D.

The VLAN on the switches will go inactive, the ports associated on the switch will go down, and the routers will immediately converge.

 

Correct Answer: B

 

 

QUESTION 74

What are two benefits of following a structured hierarchical and modular design? (Choose two.)

 

A.

Each component can be designed independently for its role.

B.

Each component can be managed independently based on its role.

C.

Each component can be funded by different organizations based on its role.

D.

Each component can support multiple roles based on the requirements.

E.

Each component can provide redundancy for applications and services.

 

Correct Answer: AB

 

 

 

 

QUESTION 75

Refer to the exhibit. In this design, which technology would provide for the best use of resources to provide end-to-end Layer 2 connectivity?

 

clip_image004

 

A.

MSTP

B.

PAgP

C.

Multichassis EtherChannel

D.

LACP

 

Correct Answer: C

 

 

QUESTION 76

Your design plan includes mutual redistribution of two OSPF networks at multiple locations, with connectivity to all locations in both networks. How is this accomplished without creating routing loops?

 

A.

Use route maps on the ASBRs to allow only internal routes to be redistributed.

B.

Use route maps on the ASBRs to allow internal and external routes to be redistributed.

C.

Use route maps on the ASBRs to set tags for redistributed routes.

D.

Use route maps on the ASBRs to filter routes with tags so they are not redistributed.

 

Correct Answer: D

 

 

 

 < /font>

QUESTION 77

A new video multicast application is deployed in the network. The application team wants to use the 239.0.0.1 multicast group to stream the video to users. They want to know if this choice will impact the existing multicast design. What impact will their choice have on the existing multicast design?

 

A.

Because 239.0.0.1 is a private multicast range, a flood of PIM packets that have to be processed by the CPU and hosts will be sent by the routers in the network.

B.

Because 239.0.0.1 is a private multicast range, the rendezvous point has to send out constant group updates that will have to be processed by the CPU and hosts.

C.

The multicast application sends too many packets into the network and the network infrastructure drops packets.

D.

The 239.0.0.1 group address maps to a system MAC address, and all multicast traffic will have to be sent to the CPU and flooded out all ports.

 

Correct Answer: D

 

 

QUESTION 78

You are designing a multisite VPN solution for a customer and you are concerned with the additional overhead of point-to-point tunnels and the associated overlay routing with DMVPN. How does a GDOI-based VPN eliminate the additional tunnel and routing overhead found in DMVPN?

 

A.

The GDOI-based VPN requires overlaying a secondary routing infrastructure through the tunnels.

B.

In a GDOI-based VPN, all group members share a common security association.

C.

The GDOI-based VPN requires the provisioning of a complex connectivity mesh.

D.

The GDOI-based VPN leverages the routing protocol to find its peer for tunnel setup.

 

Correct Answer: B

 

 

QUESTION 79

What are three key design principles when using a classic hierarchical network model? (Choose three.)

 

A.

The core layer controls access to resources for security.

B.

The core layer should be configured with minimal complexity.

C.

The core layer is designed first, followed by the distribution layer and then the access layer.

D.

A hierarchical network design model aids fault isolation.

E.

The core layer provides server access in a small campus.

F.

A hierarchical network design facilitates changes.

 

Correct Answer: BDF

 

 

QUESTION 80

A green data center is being deployed and a design requirement is to be able to readily scale server virtualization. Which IETF standard technology can provide this requirement?

 

A.

Transparent Interconnection of Lots of Links

B.

fabric path

C.

data center bridging

D.

unified fabric

 

Correct Answer: A

 

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