Actual 352-001 ebook Reviews & Tips

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Q1. A network administrator is in charge of multiple IPsec VPN headend devices that service thousands of remote connectivity, point-to-point, IPsec/GRE tunnels. During a recent power outage, in which it was found that a backup power supply in one of those headend devices was faulty, one of the headend routers suffered a complete shutdown event. When the router was successfully recovered, remote users found intermittent connectivity issues that went away after several hours. Network operations staff accessed the headend devices and found that the recently recovered unit was near 100% CPU for a long period of time. How would you redesign the network VPN headend devices to prevent this from happening again in the future? 

A. Move the tunnels more evenly across the headend devices. 

B. Implement Call Admission Control. 

C. Use the scheduler allocate command to curb CPU usage. 

D. Change the tunnels to DMVPN. 

Answer:


Q2. 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 

Answer:


Q3. You have been asked to establish a design that will allow your company to migrate from a WAN service to a Layer 3 VPN service. In your design, you are keeping some WAN links between critical sites as a backup for this service. You plan to use OSPF as your IGP and BGP for the PE-CE protocol. When the Layer 3 VPN service is available, how will you prevent transit traffic over the backup links? 

A. Redistribute routes at the CE as external type 1. 

B. Redistribute routes at the CE as external type 2. 

C. Use conditional advertisement only when the Layer 3 service is down. 

D. Manually turn off the backdoor link when the Layer 3 service is up. 

Answer:


Q4. Refer to the exhibit. 

Which two options are two characteristics of the single-tier headend architecture for DMVPN designs? (Choose two.) 

A. The mGRE and crypto functions are on the same router. 

B. Each DMVPN cloud has two different headend routers for high availability purposes. 

C. It is used in dual-cloud topologies for spoke-to-spoke connectivity. 

D. It only supports hub-and-spoke connectivity. 

E. Spokes cannot be used as RP in multicast deployments. 

Answer: AC 


Q5. You are designing an IPv4 any source multicast redundancy solution. Which technology ensures the quickest RP convergence? 

A. Auto-RP 

B. Embedded RP 

C. bootstrap router 

D. MSDP anycast RP 

Answer:


Q6. Refer to the exhibit. 

You are designing a spanning-tree network for a small campus. Which two of these options would result in a trouble-free spanning-tree network design? (Choose two.) 

A. Convert all ports to trunk ports, prune off the VLANs that you do not require, and minimize the number of blocking ports. 

B. Introduce Layer 3 VLANs (SVIs) and prune off the VLANs that you do not require. 

C. Convert all the ports to trunk and enable BackboneFast. 

D. Convert all the ports to trunk and enable UplinkFast between all the links. 

Answer: AB 


Q7. A service provider has a Resilient Ethernet Protocol ring running as a metro backbone between its locations in one city. A customer wants to connect one site with one box redundant to theResilient Ethernet Protocol ring at two different service provider locations. How can this be done without producing any Layer 2 loops within the network design? 

A. Spanning tree at the service provider side only must be enabled. 

B. Spanning tree at the customer side only must be enabled. 

C. Flex Links at the service provider side only must be enabled. 

D. Flex Links at the customer side only must be enabled. 

E. EtherChannel at the service provider side and the customer side must be enabled. 

F. Spanning tree at the service provider side and the customer side must be enabled. 

G. Flex Links at the service provider side and the customer side must be enabled. 

Answer:


Q8. You have been tasked with designing a data center interconnect to provide business continuity. You want to encrypt the traffic over the DCI using IEEE 802.1AE MACsec to prevent the deployment of any firewall or IPS. Which two interconnect technologies support MACsec? (Choose two.) 

A. EoMPLS 

B. MPLS Layer 3 VPN 

C. DMVPN 

D. OTV 

E. VPLS 

F. GET VPN 

Answer: AE 


Q9. You work as a network designer for a company that is replacing their Frame Relay WAN with an MPLS VPN service, where the PE-to-CE routing protocol is BGP. The company has 3000 routes in their distribution routers, and they would like to advertise their access routers through the MPLS network. Their service provider, however, only supports 1000 prefixes per VRF. Which two design solutions can be applied to ensure that your access routers will be able to reach all devices in your network? (Choose two.) 

A. Use prefix lists on your distribution routers to control which routes are sent to the MPLS network. 

B. On your distribution routers, configure null routes and aggregate routes for the prefixes in your network. 

C. Configure your distribution routers to send a default route to the MPLS network. 

D. Summarize the routes on the MPLS WAN interfaces of your distribution routers. 

Answer: BC 


Q10. Refer to the exhibit. 

This Layer 2 ring has 10 VLANs with 1000 MAC addresses in each VLAN. Which protocol or mechanism provides the shortest traffic outage if the link marked with "X" fails? 

A. PVRST 

B. REP 

C. MST 

D. G.8031 

E. BFD 

Answer: