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When a BGP route reflector receives an IBGP update from a non-client IBGP peer, the route reflector will then forward the IBGP updates to which other router(s)?

When a BGP route reflector receives an IBGP update from a non-client IBGP peer, the route reflector will then forward the IBGP updates to which other router(s)? A. To the

Which two BGP mechanisms are used to prevent routing loops when using a design with redundant route reflectors?

Which two BGP mechanisms are used to prevent routing loops when using a design with redundant route reflectors? (Choose two.) A. Cluster-list B. AS-Path C. Originator ID D. Community E.

Which two statements correctly describe the BGP ttl-security feature?

Which two statements correctly describe the BGP ttl-security feature? (Choose two.) A. This feature protects the BGP processes from CPU utilization-based attacks from EBGP neighbors which can be multiple hops

In Cisco IOS-XR, the maximum-prefix command, to control the number of prefixes that can be installed from a BGP neighbor, is configured under which configuration mode?

In Cisco IOS-XR, the maximum-prefix command, to control the number of prefixes that can be installed from a BGP neighbor, is configured under which configuration mode? A. RP/0/RSP0/CPU0:P2(config-bgp)# B. RP/0/RSP0/CPU0:P2(config-bgp-af)#

In Cisco IOS-XR, the ttl-security command is configured under which configuration mode?

In Cisco IOS-XR, the ttl-security command is configured under which configuration mode? A. RP/0/RSP0/CPU0:P2(config)# B. RP/0/RSP0/CPU0:P2(config-bgp)# C. RP/0/RSP0/CPU0:P2(config-bgp-nbr)# D. RP/0/RSP0/CPU0:P2(config-bgp-af)# E. RP/0/RSP0/CPU0:P2(config-bgp-nbr-af)# Correct Answer: C

Which three methods can be used to reduce the full-mesh IBGP requirement in a service provider core network?

Which three methods can be used to reduce the full-mesh IBGP requirement in a service provider core network? (Choose three.) A. Implement route reflectors B. Enable multi-protocol BGP sessions between

Which type of BGP session behaves like an EBGP session during session establishment but behaves like an IBGP session when propagating routing updates where the local preference, multi-exit discriminator, and next-hop attributes are not changed?

Which type of BGP session behaves like an EBGP session during session establishment but behaves like an IBGP session when propagating routing updates where the local preference, multi-exit discriminator, and

Which BGP process can be distributed into multiple instances?

On Cisco IOS-XR, which BGP process can be distributed into multiple instances? A. BGP process manager B. BGP RIB process C. BGP speaker process D. BGP scanner process E. BGP

Which two statements correctly describe the RPF check when a multicast packet arrives at a router?

Which two statements correctly describe the RPF check when a multicast packet arrives at a router? (Choose two.) A. The router looks up the source address in the unicast routing

When enabling interdomain multicast routing, which two statements are correct?

When enabling interdomain multicast routing, which two statements are correct? (Choose two.) A. Multiprotocol BGP is used instead of PIM SM to build the intradomain and interdomain multicast distribution trees

The 224.192.16.1 multicast IP address maps to which multicast MAC address?

The 224.192.16.1 multicast IP address maps to which multicast MAC address? A. 01-00-5E-C0-10-01 B. 01-00-5E-40-10-01 C. 01-00-5E-00-10-01 D. 01-00-5E-C0-16-01 Correct Answer: B

Which multicast process(es) on the router?

The following Cisco IOS-XR configuration command will globally enable which multicast process(es) on the router? RP/0/RP0/CPU0:router(config)# multicast-routing A. IGMP only B. PIM only C. IGMP and MLD only D. PIM

Which three statements are correct regarding PIM-SM?

Which three statements are correct regarding PIM-SM? (Choose three.) A. There are three ways to configure the RP: Static RP, Auto-RP, or BSR B. PIM-SM only uses the RP rooted

Which of the following is a feature added in IGMPv3?

Which of the following is a feature added in IGMPv3? A. Support for source filtering B. Support for Host Membership Report and a Leave Group message C. Uses a new

Which types of multicast distribution tree can PIM-SM use?

Which types of multicast distribution tree can PIM-SM use? A. Only shared tree rooted at the source B. Only shared tree rooted at the RP C. Only shortest path tree

Which multicast routing protocol is most optimal for supporting many-to-many multicast applications?

Which multicast routing protocol is most optimal for supporting many-to-many multicast applications? A. PIM-SM B. PIM-BIDIR C. MP-BGP D. DVMRP E. MSDP Correct Answer: B

Which statement is correct regarding using the TTL threshold to define the delivery boundaries of multicast traffic?

Which statement is correct regarding using the TTL threshold to define the delivery boundaries of multicast traffic? A. If a packet TTL is less than the specified TTL threshold, the

Which statement is correct regarding MP-BGP?

Which statement is correct regarding MP-BGP? A. MP-BGP can indicate whether an advertised prefix (NLRI) is to be used for unicast routing, multicast RPF checks or for both using different

When implementing interdomain multicast routing, which mechanism can be used to advertise multicast sources in one domain to the other domains, allowing the RPs to build interdomain multicast distribution trees?

When implementing interdomain multicast routing, which mechanism can be used to advertise multicast sources in one domain to the other domains, allowing the RPs to build interdomain multicast distribution trees?

Which two statements regarding Auto RP operations and implementations are correct?

Which two statements regarding Auto RP operations and implementations are correct? (Choose two.) A. Candidate RPs send RP announcements to the 224.0.1.39 multicast group, and the mapping agents send RP

When configuring PIM operations, what is the effect of setting the SPT threshold to infinity?

When configuring PIM operations, what is the effect of setting the SPT threshold to infinity? A. The multicast source to the RP path will never switch over to the shortest

Which multicast group range is reserved for SSM?

Which multicast group range is reserved for SSM? A. 224.0.0.0/8 B. 225.0.0.0/8 C. 232.0.0.0/8 D. 239.0.0.0/8 Correct Answer: C

Which four statements are correct regarding MSDP configurations and operations?

Which four statements are correct regarding MSDP configurations and operations? (Choose four.) A. The MSDP peers are also typically the RPs in respective routing domains. B. SA messages are flooded

When implementing Anycast RP, the RPs are also required to establish which kind of peering with each other?

When implementing Anycast RP, the RPs are also required to establish which kind of peering with each other? A. BGP B. Multiprotocol BGP C. MSDP D. Bidirectional PIM E. PIM

What must occur before an (S,G) entry can be populated in the multicast routing table?

What must occur before an (S,G) entry can be populated in the multicast routing table? A. The (*,G) entry must have timed out B. The (*,G) entry OIL must be

Which field in the IPv6 header can be used to set the DSCP value?

Which field in the IPv6 header can be used to set the DSCP value? A. Flow Label B. Type of Service C. Traffic Class D. Precedence E. EXP Correct Answer:

Which mechanism is used by an IPv6 multicast receiver to join an IPv6 multicast group?

Which mechanism is used by an IPv6 multicast receiver to join an IPv6 multicast group? A. IGMP report B. IGMP join C. MLD report D. General query E. PIM join

Which of the following can be used by dual-stack service providers supporting IPv4/IPv6 customers with dual-stack hosts using public IPv6 addresses and private IPv4 addresses?

Which of the following can be used by dual-stack service providers supporting IPv4/IPv6 customers with dual-stack hosts using public IPv6 addresses and private IPv4 addresses? A. NAT64 B. 6RD C.

Which IPv6 mechanism occurs between a provider edge router and the customer premises equipment router to allow an ISP to automate the process of assigning a block of IPv6 addresses to a customer for use within the customer network?

Which IPv6 mechanism occurs between a provider edge router and the customer premises equipment router to allow an ISP to automate the process of assigning a block of IPv6 addresses

Which three statements regarding NAT64 operations are correct?

Which three statements regarding NAT64 operations are correct? (Choose three.) A. With stateful NAT64, many IPv6 address can be translated into one IPv4 address, thus IPv4 address conservation is achieved

What is enabled by default on Cisco IOS-XR routers and cannot be disabled?

What is enabled by default on Cisco IOS-XR routers and cannot be disabled? A. SSH server B. Multicast routing C. IPv4 and IPv6 CEF D. IPv6 routing E. CDP F.

The IPv6 2002::/16 prefix is used in which kind of implementations?

The IPv6 2002::/16 prefix is used in which kind of implementations? A. 6 RD B. 6 to 4 C. NAT 64 D. IPv6 Multicast Correct Answer: B

Which additional feature is provided using MLDv2 that is not available in MLDv1?

Which additional feature is provided using MLDv2 that is not available in MLDv1? A. Multicast Address Specific Queries B. Source filtering C. Done messages D. Report messages Correct Answer: B

When implementing high-availability stateful switchover BGP routing, in which situation would Cisco NSR be required?

When implementing high-availability stateful switchover BGP routing, in which situation would Cisco NSR be required? A. On the PE routers connecting to the CE routers which are not NSF aware

Which two features are used to provide high availability multicast?

Which two features are used to provide high availability multicast? (Choose two.) A. BFD B. NSF/SSO C. PIM NSR D. PIM triggered join E. IGMP triggered report F. MSDP Correct

What are three BGP configuration characteristics of a multihomed customer that is connected to multiple service providers?

What are three BGP configuration characteristics of a multihomed customer that is connected to multiple service providers? (Choose three.) A. The multihomed customer can use local preference to influence the

Which two verification steps will be helpful in troubleshooting this problem?

A junior network engineer has just configured a new IBGP peering between two Cisco ASR9K PE routers in the network using the loopback interface of the router, but the IBGP

Which multicast routing protocol supports dense mode, sparse mode and bidirectional mode?

Which multicast routing protocol supports dense mode, sparse mode and bidirectional mode? A. DVMRP B. MOSPF C. PIM D. MP-BGP E. MSDP Correct Answer: C

What will be its corresponding the solicited-node multicast address?

Given the IPv6 address of 2001:0DB8::1:800:200E:88AA, what will be its corresponding the solicited-node multicast address? A. FF01::1:200E:88AA B. FF01::1:FF0E:88AA C. FF01:0DB8::1:800:200E:88AA D. FF02::1:FF0E:88AA E. FF02::1:200E:88AA F. FF02:0DB8::1:800:200E:88AA Correct Answer: D

Which four pieces of information are maintained in the multicast routing table for each (*,G) or (S,G) entry?

With PIM-SM operations, which four pieces of information are maintained in the multicast routing table for each (*,G) or (S,G) entry? (Choose four.) A. RPF Neighbor B. RP Set C.

What is one of the configuration errors within an AS that can stop a Cisco IOS-XR router from announcing certain prefixes to its EBGP peers?

What is one of the configuration errors within an AS that can stop a Cisco IOS-XR router from announcing certain prefixes to its EBGP peers? A. Some prefixes were mistagged

Which BGP configuration group allows you to define address-family independent commands and address-family dependent commands for each address family?

On Cisco IOS-XR, which BGP configuration group allows you to define address-family independent commands and address-family dependent commands for each address family? A. neighbor-group B. session-group C. af-group D. peer-group

Which two attributes does BGP select before MED?

Which two attributes does BGP select before MED? (Choose two.) A. local preference B. weight C. lowest router ID D. lowest neighbor IP E. oldest route Correct Answer: AB

Which BGP technology is most suitable?

A network engineer for an ISP wants to reduce the number of iBGP adjacencies. A merge is taking place with another ISP network, so the network engineer needs to make

Which action corrects the problem?

Each router (RTA, RTB, and RTC) has one iBGP adjacency with the route reflector router RTD. Router RTC has an iBGP route advertised by RTA, but the same route is

Which two options are the common methods for implementing Site of Origin on Cisco IOS XE routers for loop avoidance in multihome BGP customers?

Which two options are the common methods for implementing Site of Origin on Cisco IOS XE routers for loop avoidance in multihome BGP customers? (Choose two.) A. Configure the route-map

Which two actions are needed on the Cisco IOS XR router to accomplish the task?

A network engineer is working for an ISP and a current eBGP customer requests to enable the BGP TTL security feature. The engineer sees from the current established BGP session

Which two results of this configuration are expected?

A network engineer of an ISP using Cisco IOS XR routers wants to limit the number of prefixes that BGP peers can accept. To accomplish this task, the command maximum-prefix

Which configuration meets these parameters?

A network engineer must configure a Cisco IOS XR router with BGP dampening. Which configuration meets these parameters? A. router bgp 60 bgp dampening B. router bgp 60 neighbor 10.0.0.2

Which option describes why this particular command is needed?

A service provider requests more details about the recent Inter-AS MPLS VPN Option B configuration that was recently deployed. Consider this configuration: router bgp 3717 address-family vpnv4 unicast retain route-target