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Exam Code: 352-001 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CCDE Written Exam
Certification Provider: Cisco
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2021 Mar 352-001 real exam
Q101. You are designing the QoS features for a large enterprise network that includes DMVPN. When would you need to configure QoS preclassify?
A. when you are marking packets with the DSCP bits
B. when you are marking packets with the TOS bits
C. when your service provider requires the DSCP bits be set
D. when the QoS policy cannot be based on DSCP ToS bits
Answer: D
Q102. While reviewing an existing network design, you are discussing the characteristics of different STP versions. Which protocol minimizes unicast flooding during TCN in a Layer 2 switched network with many VLANs?
A. STP
B. MST
C. PVRSTP
D. PVSTP+
Answer: D
Q103. Which two techniques are used in a network design to slow down the distribution of topology information caused by a rapidly flapping link? (Choose two.)
A. Bidirectional Forwarding Detection
B. IP event dampening
C. link-state incremental SPF
D. link-state partial SPF
E. LSA throttling
F. SPF throttling
Answer: BE
Q104. 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
Q105. In order to meet your service level agreement, your network designer created a design solution that includes interface dampening. In which two ways will interface dampening benefit your overall network design? (Choose two.)
A. Interface dampening uses an exponential backoff algorithm to suppress event reporting to the upper-level protocols.
B. When the interface is dampened, further link events are not reported to the upper protocol modules.
C. When the interface is dampened, further link events are reported to the upper protocol module.
D. Periodic interface flapping that affects the routing system as a whole should have a period shorter than the system convergence time.
Answer: AB
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Q106. A service provider creates a network design that runs MPLS in its WAN backbone using OSPF as the IGP routing protocol. What would be two effects of additionally implementing MPLS-TE? (Choose two.)
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 is required to route different MPLS QoS service classes through different paths.
C. MPLS-TE and OSPF cannot be used together inside one MPLS network.
D. MPLS-TE cannot use OSPF for the traffic path calculation.
E. MPLS-TE is required to create backup paths independently from the IGP.
Answer: B,E
Q107. A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platform using Virtual Routing and Forwarding (VRF) based on IP address ranges or packet length. Which is the most scalable solution to provide this type of VRF Selection process on the CE edge device?
A. Static Routes for Route Leaking
B. Policy Based Routing
C. Multi-Protocol BGP
D. OSPF per VRF Instance
Answer: B
Q108. A company wants a design that would support OSPF through a service provider ATM network. Which two OSPF network types should the designer use to establish OSPF neighborship between OSPF routers through the ATM network? (Choose two.)
A. A broadcast network will always work through ATM networks.
B. A broadcast network will work when the broadcast support is explicitly configured at the ATM network.
C. Explicit neighbor statements are required when a nonbroadcast network is configured.
D. Explicit neighbor statements are required when a point-to-multipoint network is configured.
E. A nonbroadcast network does not require DR selection.
Answer: BC
Q109. A multicast network is using bidirectional PIM. Which two actions, when combined, can achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two.)
A. Use Anycast RP based on MSDP peering between the two RPs.
B. Use a phantom RP address.
C. Advertise routes for the two RPs with the same subnet mask through the unicast routing protocol.
D. Advertise routes for the two RPs with different subnet mask lengths through the unicast routing protocol.
E. Manipulate the administrative distance of the unicast routes to the two RPs.
F. Manipulate the multicast routing table by creating static mroutes to the two RPs.
Answer: BD
Q110. You are designing a large-scale DMVPN network with more than 500 spokes using EIGRP as the IGP protocol. Which design option eliminates potential tunnel down events on the spoke routers due to the holding time expiration?
A. Increase the hold queue on the tunnel interface of the spoke routers.
B. Increase the hold queue on the physical interface of the spoke routers.
C. Increase the hold queue on the physical interface of the hub router.
D. Increase the hold queue on the tunnel interface of the hub router.
E. Apply QoS for pak_priority class.
Answer: D