A multicast network is sing Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)
A. Use two phantom RP addresses
B. Manipulate the administration distance of the unicast routes to the two RPs
C. Manipulate the multicast routing table by creating static mroutes to the two RPs
D. Advertise the two RP addresses in the routing protocol
E. Use anycast RP based on MSDP peering between the two RPs
F. Control routing to the two RPs through a longest match prefix
While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )
A. when switches of different spanning-tree types are connected (for example. 802.1d connecting to 802.1w)
B. on distribution layer switches
C. when hello timers are changed to more aggressive values
D. on access layer switches
E. on the core switches
Company XYZ is designing the network for IPv6 security and they have these design requirements:
1.
A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
2.
Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)
A. IPv6 DHCP Guard
B. IPv6 Source Guard
C. IPv6 Destination Guard
D. IPv6 Prefix Guard
E. IPv6 RA Guard
An enterprise plans to evolve from a traditional WAN network to a software-defined WAN network. The existing devices have limited capability when it comes to virtualization. As the migration is carried out, enterprise applications and services must not experience any traffic impact. Which implementation plan can be used to accommodate this during the migration phase?
A. Deploy controllers, deploy SD-WAN edge routers. In the data center, and migrate branch sites.
B. Migrate data center WAN routers, migrate branch sites, and deploy SD-WAN edge routers.
C. Migrate branch sites, migrate data center WAN routers, and deploy controllers.
D. Deploy SD-WAN edge routers in the data center, deploy controllers, and migrate branch sites
A BGP route reflector in the network is taking longer than expected to coverage during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?
A. Increase the size of the hold queue.
B. Increase the size of the large buffers.
C. Decrease the size of the small buffers.
D. Increase the keepalive timers for each BGP neighbor.
Router R1 is a BGP speaker with one peering neighbor over link "A". When the R1 link/interface "A" fails, routing announcements are terminated, which results in the tearing down of the state for all BGP routes at each end of the link. What is this a good example of?
A. fault isolation
B. resiliency
C. redundancy
D. fate sharing
An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer A. providing Layer 2 connectivity between a central site and approximately 100 remote sites. Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?
A. EoMPLS-based VPLS can carry multicast traffic in a scalable manner
B. Use a mesh of GRE tunnels to carry the streams between sites
C. Enable snooping mechanisms on the provider PE routers.
D. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites
Which two features describe controller-based networking solutions compared to traditional networking solutions? (Choose two.)
A. inflate licensing costs
B. reduce network configuration complexity
C. provide centralization of primary IT functions
D. allow for fewer network failures
E. increase network bandwidth usage
Which design consideration is valid when you contrast fabricPath and trill?
A. FabricPath uses IS-IS, but TRILL uses VxLAN
B. FabricPath permits active-active FHRP and TRILL support anycast gateway.
C. FabricPath Permits ECMP, but TRILL does not
D. FabricPath permits active-active mode, but TRILL supports only active-standby mode.
Which two foundational aspects of loT are still evolving and being worked on by the industry at large? (Choose two)
A. WiFi protocols
B. Regulatory domains
C. Low energy Bluetooth sensors
D. loT consortia
E. Standards
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