Most up-to-date Cisco 400-201 braindumps

Q1. Which two flexible service mapping features that are used on the ES40 line card can classify traffic into different service instances, in order to consume fewer VLANs? (Choose two.) 

A. CoS 

B. DSCP 

C. IP precedence 

D. MPLS experimental bit 

E. ToS 

F. EtherType 

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Q2. A Server Provider is seeing an increasing amount of attacks against its customers. For which kind of attack would an engineer want to design a Backscatter Traceback solution? 

A. Rogue DNS/DHCP Servers 

B. IP Spoofing 

C. Ping of Death 

D. Distributed Denial of Service 

E. Network Attack TCP/UDP Scan 

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Q3. Due to recent acquisitions, a company’s MPLS infrastructure is growing very quickly. Concerns arise about labeling each and every IP address on the P router. Which command would significantly reduce the label allocations without compromising LDP functionalities? 

A. ip prefix-list List1 deny prefix/prefix_length 

! 

mpls ldp label 

allocate global prefix-list List1 

B. mpls ldp label 

allocate global host-routes 

C. access-list 1 permit subnet wildcard 

mpls ldp neighbor neighbor_ip labels accept 3 

D. mpls ldp password required for 10 

access-list 10 permit host_ip_1 

access-list 10 permit host_ip_2 

access-list 10 permit host_ip_n 

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Q4. In a multi-VRF scenario using OSPF as PE-CE routing protocol, which Cisco IOS command allows the CE to accepts routes from PE inside of each VRF? 

A. router ospf <process id> vrf<vrf name> capability vrf-lite 

B. router ospf<process id> vrf<vrf name> domain-id <value> 

C. router ospf <process id> domain-id <value> 

D. router ospf <process id> capability vrf-lite 

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Q5. Refer to the exhibit. 

What is the status of the L2 tunnel between PE1. PE2. and the Layer 2 switches? 

A. The Layer 2 tunnel is up, and SW1 becomes the root bridge for VLAN 10. 

B. The Layer 2 tunnel is down, due to the ACL that is applied on the PE2 interface. 

C. The Layer 2 tunnel is up, but no BPDUs are exchanged unless an extra configuration is applied. 

D. The Layer 2 tunnel is down, due to the MTU mismatch between SW1 and SW2. 

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Q6. What is NETCONF? 

A. It is a standard for installing, manipulating and deleting configuration of network devices. 

B. it is a Cisco proprietary solution to help remove the time, cost and manual steps involved in network element configuration. 

C. It is data modeling language, to help remove the time, cost and manual steps involved in network element configuration. 

D. It is a new recommendation which writes device specific CLI scripts while keeping flexibility in a vendor dependence environment. 

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Q7. A Service Provider is designing control policies at the customer edge of the network, in order to prevent usage that exceeds the contracted terms. A new client that is contracted for only 2 Gbps is connecting to the Service Provider edge with a 10 Gbps interface. Which two QoS strategies meet the design goal? (Choose two.) 

A. On the service Provider edge, enable traffic shaping on the customer port. 

B. On the customer edge device, enable traffic shaping on the interface that is connected to the Service Provider. 

C. On the customer edge device, enable policing on the interface that is connected to the Service Provider. 

D. On the service Provider edge, enable policing on the customer port. 

E. On the service Provider edge, enable WRED on the customer port. 

F. On the customer edge, enable WRED on the interface that is connected to the Service Provider. 

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Q8. The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real-time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.) 

A. Apply MLP link fragmentation and interleaving to the interface. 

B. Apply LLQ with both voice traffic and video traffic in the same priority queue. 

C. Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF. 

D. Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41. 

E. Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved. 

F. Apply LLQ with video traffic that is dedicated in the priority queue. 

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Q9. Two Tier 2 Service Providers are using a Tier 1 Service Provider for transport. MPLS is required between the Tier 2 Service Providers for label switching. In this CSC solution, which label stack is correct? 

A. original IP packet, MPLS CSC transport label, MPLS VPN label, and MPLS Tier 2 transport label 

B. original IP packet, MPLS Tier 2 transport label, MPLS VPN label, and MPLS CSC transport label 

C. original IP packet, MPLS VPN label, MPLS Tier 2 transport label, and MPLS CSC transport label 

D. original IP packet, MPLS Tier 2 transport label, MPLS CSC transport label, and MPLS VPN label 

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Q10. An engineer must implement E-Line services for a service provider network. Which two services apply in this situation? (Choose two.) 

A. EVPL 

B. E-Tree 

C. E-LAN 

D. EVC 

E. EPL 

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