[Free] 2017(Nov) Dumps4cert Testinsides Cisco 400-201 Dumps with VCE and PDF Download 71-80

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CCIE Service Provider Written Exam (V 4.1)

Question No: 71

A service provider offers four classes of service for MPLS VPN customer with the following IPP/EXP values

  1. voice=5

  2. video=4

  3. priority-data =3

  4. best-effort data=0

    The service provider also supports multicast VPN services in the priority data and best- effort classes. Multicast VPN is implemented as a draft-rosen profile. On a P router, in the MPLS core, the ingress. QoS policy-map must classify all incoming packets, so that different classes of traffic can be properly handled in fabric queues and egress queues. All types of packets in the core network must be covered#39;

    Which ingress classification offers the optimal performance and provides the minimum number of actions that match the service provider QoS requirements?

    A.

    class-map match-any VOICE match mpls experiment topmost 5 class-map match-any VIDEO match mpls experiment topmost 4 class-map match-any CONTROL match mpls experiment topmost 6 class-map match-any PRIORITY match mpls experimental topmost 3

    !

    policy-map INGRESS class VOICE

    set qos-group 5 class VIDEO set qos-group 4

    class CONTROL set qos-group 6 class PRIORITY set qos-group 3 class class-default B.

    class-map match-any VOICE match mpls experiment topmost 5 class-map match-any VIDEO match mpls experiment topmost 4 class-map match-any CONTROL match mpls experiment topmost 6 7

    match ip precedence ipv4 internet network class-map match-any PRIORITY

    match mpls experimental topmost 3

    match ip precedence ipv4 flash

    !

    policy-map INGRESS class VOICE

    set qos-group 5 class VIDEO set qos-group 4

    class CONTROL set qos-group 6 class PRIORITY set qos-group 3 class class-default C.

    class-map match-any VOICE match mpls experiment topmost 5 match ip precedence ipv4 critical class-map match-any VIDEO match mpls experiment topmost 4

    match ip precedence ipv4 flash-override class-map match-any PRIORITY

    match mpls experimental topmost 3 match ip precedence ipv4 flash

    !

    policy-map INGRESS class VOICE

    set qos-group 5 class VIDEO set qos-group 4 class PRIORITY set qos-group 3

    class class-default

    Answer: C

    Question No: 72

    In the MVPN profile 3 ( Rosen GRE with BGP-AS), which information is included inside of the opaque value?

    1. Type 2- Root Address: VPN-ID; 0-n

    2. Type 1-source-PE: Global-ID

    3. RD:S,G

    4. Not applicable for this profile

Answer: D

Question No: 73

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Refer to the exhibit, An engineer is asked to troubleshoot packet drops inside a network which option is true?

  1. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if no congestion is present, no more bandwidth is allocated to HTTP traffic

  2. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth, however, if no congestion is present, more bandwidth is allocated to SMTP traffic

  3. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth. However , if no congestion is present, SMTP traffic above 10% of link bandwidth is dropped

  4. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if congestion is present, less bandwidth is allocated to HTTP traffic

Answer: C

Question No: 74

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Refer to the exhibit Which PW type is negotiated?

  1. Type 1

  2. Type 2

  3. Type 3

  4. Type 4

  5. Type 5

  6. Type 6

Answer: E

Question No: 75

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Refer to the exhibit what is the status of the L2 tunnel between PE1,PE2 and the layer 2

switches ?

  1. The layer 2 tunnel is down due to the ACL is applied on the PE2 interface

  2. The layer 2 tunnel is up and SW1 become the root bridge for VLAN 10

  3. The layer 2 tunnel is down due to the MTU mismatch between SW1 and SW2

  4. The layer 2 tunnel is up but no BPDUs are exchange unless an extra configuration is applied

Answer: B

Question No: 76

A service provider requires that the PE-CE link must be optimized by only compressing the TCP header regards to Business traffic policy neither voice traffic nor other traffic policies must be compressed. Which solution meets these requirements?

  1. header compression using IPHC profiles

  2. enhanced RTP header compression

  3. class-based TCP header compression

  4. RTP header compression over satellite links

Answer: C

Question No: 77

Which RP mechanism uses the TTL value to scope the RP address within the multicast domain?

  1. Auto-RP

  2. Embedded RP

  3. Anycast RP

  4. BSR

Answer: A

Question No: 78

Which description of the main purpose of the LDP targeted Session is true?

  1. To improve the label convergence time for directly connected LSRs by maintaining the session up when the link between LSRs by maintaining the session up when the link between LSRs down

  2. To prevent traffic from being black-holed by building a MPLS forwarding table depending on the IP routing protocol in use

  3. To establish an adjancency before exchanging network information to avoid keepalive messages being dropped during heay network traffic event

  4. To provide the means for LSR to request and release label prefix binding information to peers routers

Answer: A

Question No: 79

Which Cisco IOS XR Virtualization technology provides full isolation between virtualized routing instances for extra control plane resources?

  1. HVR

  2. SVR

  3. SDR

  4. DRP

Answer: C

Question No: 80

What is the port number of an IPsec Encapsulating Security Payload packet? (ESP)

  1. IP protocol 51

  2. UDP port 50

  3. Ip protocol 50

  4. TCP Port 50

  5. UDP port 51

  6. TCP port 51

Answer: C

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