[Free] 2017(Nov) Dumps4cert Testinsides Cisco 400-201 Dumps with VCE and PDF Download 171-180

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CCIE Service Provider Written Exam (V 4.1)

Question No: 171

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Refer to the exhibit. Which command can be issued on R9 so that R12 receives all its internal and external OSPF routes inside the R12 BGP table?

  1. redistribute ospf 1 internal external 1 external 2

  2. redistribute ospf 1 match nssa-external 1 nssa-external 2

  3. redistribute ospf 1 internal nssa-external 1 nssa-external 2

  4. redistribute ospf 1 match internal external 1 external 2

Answer: D

Question No: 172

Why would an engineer use the load rollback command instead of rollback command?

  1. to revert a change a subsequent change is made

  2. to revert changes to admin mode configuration

  3. to revert commits with IDs 10000000005 and 10000000007 simultaneously

  4. to revert changes to RPL objects

Answer: B

Question No: 173

A content provider uses ISP-A and ISP-B for Internet transit service for the purpose of redundancy and load balancing. The content provider has one address range assigned to it. Which two techniques achieve the load balancing and redundancy for inbound traffic? (Choose two)

  1. BGP Local-preference attribute

  2. BGP MED attribute

  3. Use ISP-A for outbound traffic and ISP-B for inbound traffic

  4. BGP AS-prepend technique

  5. Address range split into two more specific prefixes, then advertise one specific prefix per ISP

  6. Aggregate all prefixes received from both ISPs into a less-specific prefix

Answer: D,E

Question No: 174

A service provider engineer enabled the BGP next-hop tracking feature and also tuned the OSPF to increase the network convergence in case of network failures. However , the operator engineer notices that in cases of PE failure, the network convergence is still slow. which configuration must the operator use to remedy this failure scenario?

A.

router bgp 65000 address-family ipv4

bgp nexthop trigger delay 1

!

address-family vpnv4

bgp nexthop trigger delay 1

B.

ip prefix-list PREFIX_32 permit 0.0.0.0/0 ge 32

!

route-map ONLY_32 permit 10

match ip address prefix-list PREFIX_32 match source-protocol ospf

!

router bgp 65000 address-family vpnv4

bgp next-hop route-map ONLY_32

C.

router ospf 1

default-information originate always metric-type 1 timers throttle Isa 1 5 5000

timers throttle spf 1 5 5000

D.

router ospf 1

no default-information originate tiers throttle Isa all 1 5 5000

times throttle spf 1 5 5000

E.

router bgp 65000 address-family ipv4

no bgp next-hop trigger enable bgp additional-paths install

!

address-family vpnv4

no bgp next-hop trigger enable bgp additional-paths install

Answer: A

Question No: 175

Which technology enables operations to move the functionality of networking devices such as routers and firewalls away from proprietary hardware to servers and off-the-shelf commercially available purpose-built hardware?

  1. Network Function Virtualization

  2. Business support systems

  3. Software Defined Networking

  4. Operations support systems

  5. OpenStack

Answer: A

Question No: 176

A service provider is offering VoIP services level agreement to customers. Which configuration provides validation that the service level agreement has been honored?

A.

ipsla 999 udp-jitter 209.165.200.225 1000 codec g729a tag VoIP-SLA ipsla schedule 999 life forever start-time now

B.

ipsla 999 icmp-jitter 209.165.200.225 tag VoIP-SLA ipsla schedule 999 life forerver start-time now

C.

ipsla 99 icmp-jitter 209.165.200.225 tos 160 ipsla schedule 999 life forever start-time now D.

ipsla 999 udp-jitter 209.165.200.225 tos 160 ipsla schedule 99 life forever start-time now E.

ipsla 999 udp-jitter 209.165.200.225 tos 160 ipsla schedule 999 life forever start-time now F.

ipsla 999 udp-jitter 209.165.200.225 1000 codec g729a tos 160 ipsla schedule 99 life forever stat-time now

Answer: F

Question No: 177

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Refer to the exhibit R1 is migrating from ISP 1 to ISP 2. The R1 ISO image does not support the 4-byte AS feature. Which configuration on R1 can establish this EBGP session?

  1. Router bgp 200

    Neighbor 10.10.24.4 local-as-65600

  2. Router bgp 200

    Neighbor 10.10.24.4 remote-as 23456

  3. Router bgp 200

    Neighbor 10.10.24.4 remote-as 65600

  4. Router bgp 200

Neighbor 10.10.24.4 local-as-23456

Answer: B

Question No: 178

A VPLS network consists of provider edge routers that have fully meshed pseudowires, the network runs unicast and multicast traffic, the network recently experienced bandwidth and CPU-related performance issue While monitoring the VPLS and interface statistics an operations engineer notice that the network is experiencing an unusual amount of broadcast and undesired multicast traffic. Which two technique can address these issue?(choose two)

  1. Change the network to run VPWS to mange the broadcast traffic efficiently

  2. Implement MAC withdrawal on each EFP in the VPLS bridge domain

  3. Set a limit on MAC learning in the pseudowire in the VPLS network

  4. Implement Storm Control in the VPLS bridge domain

  5. Implement IGMP snooping in the VPLS network

Answer: D,E

Question No: 179

Which are the two characteristics of 4G/L TE networks? (Choose two)

  1. eNodeB uplinks to the packet core use the lub interface

  2. 4G/LTE networks use centralized MTSO-based handoff between cell towers

  3. The E-UTRAN model forms the basis of 4G/L TE RAN technologies

  4. eNodeBs in the cell towers requires less buit-in intelligence

  5. RNCs in 4G/LTE networks have built-in MPLS support

  6. Using the X2 interface, eNodeBs have direct communication between each other

Answer: D,F

Question No: 180

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Refer to the exhibit. Which statement is correct?

  1. If the labeled packet arrives with the bottom label of 27, the label is replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0

  2. If the labeled packet arrives with the bottom label of 27, all of the labels are replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0 interface

  3. If the labeled packet arrives with the topmost label of 27,the label is replaced with the label 38 and the packet is sent out on the Gigabitethernet 0/0 interface

  4. If the labeled packet arrives with the topmost label of 27, all of the labels are replaced with label 38 and the packet is sent out on the Gigabitethernet 0/0 interface.

  5. If the labeled packet arrives with the topmost label of 38,the label is replaced with label 27 and the packet is sent out on the GigabitEthernet 0/0 interface

  6. If the labeled packet arrives with the topmost label of 38, all labels are replaced with the label 27 and the packet is sent out on the GogabitEthernet 0/0/ interface.

Answer: E

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