EnsurepassQUESTION 471 The SP core supports PIM-SM for multicast traffic, but one of these routers is not able to see one of its PIM neighbors. What is the most likely cause of this issue?   A. The router is an RP with high priority. B. IGMP snooping is not enabled. C. PIM sparse mode is not enabled on a participating multicast interface. D. PIM protocols are not enabled in global configuration mode. E. Auto-RP is not enabled on this network.   Correct Answer: C   Read more [...]
EnsurepassQUESTION 481 DRAG DROP   Correct Answer:     QUESTION 482 In inter-AS multicast, which two optional nontransitive path attributes were introduced in BGP to carry unicast and multicast routing information for RPF check at the AS borders? (Choose two.)   A. MP_UNREACH_NLRI B. MP_REACH_NLRI C. FWDR_PREF Details D. MP_PERF_NLRI E. ORIGINATOR_ID   Correct Answer: AB     QUESTION 483 Which three options are restrictions for MPLS VPN BGP Local Read more [...]
EnsurepassQUESTION 451 Which three options are functions of the Cisco Service Control Engine? (Choose three.)   A. intelligent inspection and control of IP packets B. application of session-level bandwidth shaping C. provisioning of access aggregation D. per-subscriber bandwidth management E. Implementation of VPN services   Correct Answer: ABD < span lang="EN-US" style="font-family: ; mso-font-kerning: 0pt; mso-no-proof: yes">    QUESTION 452 Refer to the exhibit. Read more [...]
EnsurepassQUESTION 461 DRAG DROP   Correct Answer:                     QUESTION 462 DRAG DROP   Correct Answer:     QUESTION 463 What are three advantages of PPPoA implementation? (Choose three.)   A. NAP and NSP provide secure access to corporate gateways without managing end-to- end PVCs. NAP and NSP use Layer 3 routing, Layer 2 Forwarding, or Layer 2 Tunneling Protocol tunnels. Hence, they can scale their business Read more [...]
EnsurepassQUESTION 441 Refer to the exhibit. XYZ is using the BSR method and PE1 has the configuration shown.     A. Which statement describes why PE1 is unable to receive RP information from XYZ site 2? B. IPv4 MDT address family is not activated between PE1 and PE2. C. Loopback 3 is not enabled with PIM. D. A mismatch exists for update source interface between PE1 and PE2. E. A mismatch exists in MDT data subnet for XYZ VRF between PE1 and PE2.   Correct Answer: Read more [...]
EnsurepassQUESTION 431 In optical transmission systems, chirped lasers are used for the purpose of:   A. Turning the laser to a specific ITU channel B. Keeping the signal wavelength "locked" to a specific technology C. Suppressing FWM and SBS non-linear effects D. None ofthe above   Correct Answer: D     QUESTION 432 Which ITU publication defines the r equirements for communicating data over an optical network?   A. G.706 B. G.707 C. G.708 D. G.709 Read more [...]
EnsurepassQUESTION 421 In MPLS VPN, where must MP-BGP peering be configured?   A. in all CE routers within a VPN community B. in all CE routers across a VPN community C. in all PE routers within a VPN community D. in all PE routers across a VPN community E. in all PE and CE routers within a VPN community F. in all PE and CE routers across a VPN community   Correct Answer: C     QUESTION 422 An engineer is designing a SONET network using Cisco 7600 and the ONS Read more [...]
EnsurepassQUESTION 411 A network engineer is looking for a specific VRF routing table in the PE router of an Service Provider. Which two information points will be listed in the routing table? (Choose two.)   A. routes received from the directly connected CE B. routes received from the other MP-BGP PE peer C. routes received from the other IGP PE peer D. routes received from the same AS E. routes of the global routing table   Correct Answer: AB     QUESTION 412 Read more [...]
EnsurepassQUESTION 391 Which option is the minimum MTU of a link to form a full IS-IS adjacency successfully?   A. 4096 bytes B. 1500 bytes C. 1492 bytes D. 1460 bytes   Correct Answer: C     QUESTION 392 What are the three building blocks of the Cisco VPLS architecture? (Choose three.)   A. L2VPN B. Ethernet Virtual Switch Interface C. VLAN Trunk Protocol D. State Synchronization Protocol E. Label Distribution Protocol F. Resource Reservation Read more [...]
EnsurepassQUESTION 401 DRAG DROP   Correct Answer:     QUESTION 402 A network engineer observes increasing output drops on the serial interface. Which two solutions can be implemented to minimize these drops? (Choose two.)   A. Increase the MTU size on the link. B. Replace the serial cable between the connecting devices. C. Turn on fast switching. D. Increase the output hold queue size. E. Implement priority queuing on slower serial links by configuring priority Read more [...]
EnsurepassQUESTION 381 Which statement about IPv6 security is true?   A. Reconnaissance attacks are easier to do in IPv6 compared to IPv4. B. IPv6 amplification attacks can happen using IPv6 broadcast address. C. RA-guard feature is used to block rogue RAs. D. ICMP policies on firewalls do not need to be changed for IPv6 because ICMP is Layer 3 agnostic.   Correct Answer: C       QUESTION 382 A network engineer wants to deploy a VPLS service within the MPLS Read more [...]