What Renewal 352-001 Is?

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Q51. What is a key role for the access layer in a hierarchical network design? 

A. The access layer provides a security, QoS, and policy trust boundary. 

B. The access layer provides an aggregation point for services and applications. 

C. The access layer serves as a distribution point for services and applications. 

D. The access layer can be used to aggregate remote users. 


Q52. Refer to the exhibit. 

You are designing a network using the Multiple Spanning Tree Protocol for loop avoidance. VLAN trunking is not allowed due to security requirements. Which option describes how you can design this Layer 2 network while using untagged interfaces between both switches? 

A. Assign VLAN 100 and VLAN 200 to the IST instance. 

B. Assign VLAN 100 and VLAN 200 to instance 1. 

C. Assign VLAN 100 to instance 1 and VLAN 200 to instance 2. 

D. Assign VLAN 100 to the IST instance and VLAN 200 to instance 1. 


Q53. Refer to the exhibit. 

When designing an MPLS-based LAN extension between DC-1 and DC-2, what are three advantages of deploying VSS? (Choose three.) 

A. Layers 2, 3, and 4 flow-based load balancing 

B. native VSS and MEC failover without using scripts 

C. sub-second failover 

D. required to configure VPLS 

E. failover time depends on Cisco IOS EEM and STP convergence 

F. limited VLAN-based VPLS traffic hashing 

Answer: A,B,C 

Q54. You are designing an optical network. Your goal is to ensure that your design contains the highest degree of resiliency. In which two ways will you leverage a wavelength-switched optical network solution in your network design? (Choose two.) 

A. a wavelength-switched optical network assigns routing and wavelength information 

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

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

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

Answer: AB 

Q55. You have been hired by Acme Corporation to evaluate their existing network and determine if the current network design is secure enough to prevent man-in-the-middle attacks. When evaluating the network, which switch security option should you investigate to ensure that authorized ARP responses take place according to known IP-to-MAC address mapping? 

A. ARP rate limiting 

B. DHCP snooping 

C. Dynamic ARP Inspections 

D. IP Source Guard 


Q56. You are identifying performance management requirements for a VoIP migration. What three key performance indicators would you use to track media quality? (Choose three.) 

A. delay 

B. trunk group usage 

C. jitter 

D. packet loss 

E. call processing (call detail records) 

F. call processing (performance counters) 

G. echo 

H. crosstalk 

Answer: ACD 

Q57. You are tasked with implementing a 1000-phone remote access solution, where phones will traverse a WAN edge router. Assuming all of the following features are supported in a hardware-assisted manner, which of the following will have the most detrimental impact on the delay of the packet? 

A. encryption 

B. stateful firewall 

C. MPLS encapsulation 

D. GRE encapsulation 


Q58. Which option is a BFD design consideration? 

A. BFD should not be used with RSVP-TE backup tunnels. 

B. BFD echo mode may reduce convergence time. 

C. BFD does not support sessions over MPLS LSPs. 

D. BFD is supported on indirectly connected peers. 


Q59. A company would like to distribute a virtual machine (VM) hosting cluster between three data centers with the capability to move VMs between sites. The connectivity between data centers is IP only and the new design should use the existing WAN. Which Layer 2 tunneling technology do you recommend? 


B. L2TPv3 


D. AToM 


Q60. What is a key design aspect to be considered when designing an IP network that will be carrying real-time VoIP traffic? 

A. Minimizing total bidirectional end-to-end delay to 0-150 ms 

B. Minimizing total unidirectional end-to-end delay to 150-500 ms 

C. Minimizing total bidirectional end-to-end delay to 0-50 ms 

D. Minimizing total unidirectional end-to-end delay to 0-150 ms