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When creating a network design that routes an IGP over L2VPNs, with which device does the remote CE router form an IGP adjacency?
A. the hub site PE router
B. the hub site CE router
C. the directly connected PE router
D. The IGP will not establish adjacency over the MPLS network.
Correct Answer: B
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?
A. virtual links
B. sham links
C. multiple stub areas
D. super backbone
Correct Answer: B QUESTION 61
Service provider XYZ plans to provide dedicated Internet access and MPLS L3VPN services to business customers. XYZ has these design specifications:
MP-BGP running on the core MPLS P routers with external Internet routes.
The core network will include 16 Point of Presence IP POPs throughout the Asia-Pacific region.
An additional nine non-P routers will use EBGP peering with multiple providers for Internet traffic.
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 62
You have been hired to redesign a network due to issues with congestion. How will a router function if the QoS mechanism of congestion avoidance is integrated into the existing network design?
A. the router handles the overflow of traffic by using FIFO
B. the router handles the possible buildup of congestion by using WRED
C. the router forces inbound and outbound traffic to stay within a defined profile by using rate limiting
D. the router separates packets based on certain characteristics by using NBAR
E. the router marks packets based on certain characteristics by using PBR
Correct Answer: B QUESTION 63
In which two ways is IPv4 and IPv6 traffic handled in a network design that uses QoS deployment options? (Choose two.)
A. IPv6 and IPv4 traffic is treated in the same way by using a single QoS policy that classifies and matches on both protocols.
B. IPv6 traffic is treated differently than IPv4 by using the flow-label field, which is built into the IPv6 packet header.
C. IPv6 traffic does not require QoS because it uses to the flow-label field, which classifies and matches on the IPv6 protocol.
D. IPv6 traffic is treated differently than IPv4 by using two different QoS policies.
E. IPv6 traffic is treated differently than IPv4 because it uses only the DSCP value and not the IP precedence.
Correct Answer: AD
You are the lead network designer hired by Service Provider XYZ to deploy CoS functionality on the core MPLS network (P routers). The goal of the network design is to provide a complete CoS solution to all customers that purchase services such as dedicated internet access, MPLS L3VPN, and L2VPN (pseudowire). Service Provider XYZ has these design requirements:
The network supports four service queues with equal treatment for delay, jitter, and packet loss.
Queues are numbered 0-3, where 0 is the default queue.
Three queues have one treatment.
One queue has either one or two treatments.
How would you design your solution to map the DSCP value properly so that the traffic is assigned to the respective queues in the Service Provider XYZ MPLS core network?
A. Classify traffic according to DSCP value into appropriate P router queues.
B. Map the appropriate DSCP value into the EXP field based on the number of queues in the MPLS P routers.
C. Map the appropriate DSCP value into the EXP field based on the number of queues in the MPLS PE routers.
D. Based on the DSCP value, traffic is mapped automatically into appropriate queues in the MPLS CE routers.
Correct Answer: C 352-001 pdf
As part of a new network design, you are helping the Network Management Team to develop a proactive report to identify places in the network where problems may happen. The network management tool can poll the network devices only via SNMP GET operations. Which two threshold-crossing metrics should you include in this report? (Choose two.)
A. packet loss
B. CPU utilization
C. heat dissipation
D. IP reachability
E. energy consumption
F. link bandwidth utilization
Correct Answer: BF
You are identifying performance management requirements for a VoIP migration. What three key performance indicators would you use to track media quality? (Choose three.)
B. trunk group usage
D. packet loss
E. call processing (call detail records)
F. call processing (performance counters)
Correct Answer: ACD
Your enterprise customer has asked where they should deploy flow monitoring in their network to monitor traffic between branch offices. What is your design recommendation?
A. at the edge of the network so that user traffic will be seen
B. at the central site, because all traffic from the remotes will be seen there.
C. in the core, because all traffic will be seen there
D. in the data center, because all user traffic will be seen there
Correct Answer: B
You are a network designer and have been asked to consult with your server operations team to further enhance the security of the network. The operations team provides you with these details about the network:
A pool of servers is accessed by numerous data centers and remote sites.
The servers are accessed via a cluster of firewalls.
The firewalls are configured properly and are not dropping traffic.
The firewalls occasionally cause asymmetric routing of traffic within the server data center.
Which technology would you recommend to enhance security by limiting traffic that could originate from a hacker compromising a workstation and redirecting flows at the servers?
A. Access control lists to limit sources of traffic that exits the server-facing interface of the firewall cluster
B. Poison certain subnets by adding static routes to Null0 on the server farm core switches.
C. Unicast Reverse Path Forwarding in strict mode
D. Unicast Reverse Path Forwarding in loose mode
Correct Answer: D
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
Correct Answer: C
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