[Free] Download New Updated (February 2016) Cisco 352-001 Practice Tests 61-70

By | February 12, 2016

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QUESTION 61

A company wants to connect two data center sites using a hub-and-spoke design with 2000 remote sites. One design consideration is the requirement to transfer MPLS packets over the public Internet. In addition, one router at each site should be used, and the MPLS packets must be encapsulated inside IP packets because the public Internet cannot transfer native MPLS packets. Which feature can be used to simplify the network design?

 

A.

GET VPN can be used to encrypt the MPLS packets with IPsec.

B.

DMVPN can be used to build up GRE tunnels dynamically with MPLS encapsulation inside.

C.

L2TPv3 can be used to encapsulate the MPLS packets.

D.

Site-to-site IPsec without GRE can be used to encapsulate the MPLS packets.

E.

PPPoE can be used to encapsulate the MPLS packets.

 

Correct Answer: B

 

 

QUESTION 62

You are a network designer and are responsible for ensuring that the network you design is secure. How do you plan to prevent infected devices on your network from sourcing random DDoS attacks using forged source addresses?

 

A.

ACL-based forwarding

B.

ACL filtering by destination

C.

Unicast RPF loose mode

D.

Unicast RPF strict mode

 

Correct Answer: D


 

 

QUESTION 63

You have been tasked to create a Layer 2 network design that uses vPC to provide resiliency and avoid loops. vPC removes Layer 2 loops while providing redundancy through which mechanism?

 

A.

dual-active detection

B.

address synchronization

C.

strict forwarding rules

D.

Bridge Assurance

 

Correct Answer: C

 

 

QUESTION 64

Service provider XYZ plans to provide dedicated Internet access and MPLS L3VPN services to business customers. XYZ has these design specifications:

 

clip_image002MP-BGP running on the core MPLS P routers with external Internet routes.

clip_image002[1]The core network will include 16 Point of Presence IP POPs throughout the Asia-Pacific region.

clip_image002[2]An additional nine non-P routers will use EBGP peering with multiple providers for Internet traffic.

clip_image002[3]An additional 50 PE routers will provide end customers with dedicated Internet access and L3VPN services throughout the Asia-Pacific region.

 

In what two ways can the MP-BGP be removed from the MPLS P core routers and still provide dedicated Internet access and MPLS L3VPN services? (Choose two.)

 

A.

Disable BGP from the MPLS core P routers and have the MPLS core P routers run OSPF and LDP.

B.

Enable separate BGP control plane routers using a route reflector server concept that will be fully meshed with peer route reflector servers and have clients as MPLS PE routers and EBGP peering routers.

C.

Enable all EBGP routers as route reflector servers and MPLS PE routers as their clients.

D.

It is not possible to disable BGP from the MPLS core P routers without impacting the dedicated Internet access and MPLS L3VPN services.

 

Correct Answer: BC

 

 

QUESTION 65

Refer to the exhibit. An enterprise is migrating its single-area OSPF network from a Frame Relay WAN service to an MPLS L3VPN service. Frame Relay will remain in only a few sites that require increased resiliency via two different WAN connections. Which feature could be used in the MPLS VPN service provider network to support the design requirement by ensuring that during normal operation, intersite traffic will only use the MPLS VPN service and not the old Frame Relay service?

 

clip_image004

A.

virtual links

B.

sham links

C.

multiple stub areas

D.

super backbone

 

Correct Answer: B

 

 

QUESTION 66

During a network design review, it is recommended that the network with a single large area should be broken up into a backbone and multiple nonbackbone areas. There are differing opinions on how many ABRs are needed for each area for redundancy. What would be the impact of having additional ABRs per area?

 

A.

There is no impact to increasing the number of ABRs.

B.

The SPF calculations are more complex.

C.

The number of externals and network summaries are increased.

D.

The size of the FIB is increased.

 

Correct Answer: C

 

 

QUESTION 67

Network designers plan to interconnect two geographically separated data centers using an Ethernet-over-MPLS pseudowire. Within that design, the link between the sites is stable, there are no apparent loops in the topology, and the root bridges for the respective VLANs are stable and unchanging. What additional aspect of the design should be adjusted to mitigate the chance of connectivity issues to the peer data center when the connection takes place?

 

A.

Enable 802.1d on one data center, and 802.1w on the other.

B.

Ensure that the spanning tree diameter for one or more VLANs is not too large.

C.

Enable UDLD on the link between the data centers.

D.

Enable root guard on the link between the data centers.

 

Correct Answer: B

 

 

QUESTION 68

A company is planning to connect its 30 sites with a VPLS WAN backbone. A router at each site should establish neighborships with all other routers using the OSPF routing protocol. Which three points must be considered regarding DR and BDR when different router platforms are used? (Choose three.)

 

A.

It is a best practice that the routers with the most powerful hardware should take the role of the DR and BDR.

B.

If the IP OSPF priority is the same for all routers, the highest loopback IP address and router ID will decide which routers will take the DR and BDR role during the selection process.

C.

To select the DR and BDR, the IP OSPF priority must be set to a higher value than the default value at the DR and BDR during the selection process.

D.

To select the DR and BDR, the IP OSPF priority must be set to a lower value than the default value at the DR and BDR during the selection process.

E.

The role for the DR and BDR will be selected when a new OSPF router comes up.

F.

To force two routers to become a DR and a BDR, the IP OSPF priority can be set to zero at all other OSPF routers.

 

Correct Answer: ABF

 

 

QUESTION 69

A network designer is working with a company to improve convergence at the Layer 2 control plane and decides to use LACP. Which of these components does LACP use to create the system ID?

 

A.

LACP system priority and switch MAC address

B.

LACP port priority and switch MAC address

C.

LACP port priority and port number

D.

LACP system priority and port number

 

Correct Answer: A

 

 

QUESTION 70

When designing a network, which two security features should be added to the design to protect hosts from potential IPv6 neighbor discovery denial of service attacks at the access layer? (Choose two.)

 

A.

SEND

B.

RA Guard

C.

IKEv2

D.

IPsec

E.

DMVPNv6

 

Correct Answer: AB

 

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