Cisco Designing Cisco Network Service Architectures v3.0 Set 4

1.

What to configure in BGP so that other BGP neighbours cannot influence the path of a route.

Lower MED Higher Local pref Higher weight Lower router ID

2.

An Engineer is designing a Cisco Application Centric Infrastructure network ... What is the expected number of links between Spine switches?

1 2 4

3.

Which of the following is true concerning best design practices at the switched Access layer of the traditional layer 2 Enterprise Campus Network?

Cisco NSF with SSO and redundant supervisors has the most impact on the campus in the Access layer Provide host-level redundancy by connecting each end device to 2 separate Access switches Offer default gateway redundancy by using dual connections from Access switches to redundant Distribution layer switches using a FHRP Include a link between two Access switches to support summarization of routing information from the Access to the Distribution layer

4.

What is an advantage of having an out-of-band management?

It is less expensive to have an out-of-band management. Network devices can still be managed, even in case of network outage There is no separation between the production network and the management network SSH protocol must be used to manage network devices

5.

The direction of the flow of multicast traffic is based on which protocol?

PIM IGMP underlying IGP MSDP

6.

Which option prevents the dropping of asymmetrically routed packets in active/active failover paired firewalls?

Nothing can be done to prevent this from happening. Configure different policies on both firewalls. Assign similar interfaces on each firewall to the same asymmetric routing group. Assign similar interfaces on each firewall to a different asymmetric routing group.

7.

Which of these practices should you follow when designing a Layer 3 routing protocol?

Never peer on transit links Build squares for deterministic convergence Build inverted U designs for deterministic convergence Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation

8.

Two Cisco switches with 1 SUP and many 10G line-card ports for each switch, run in VSS mode. In which case or for what reason you don't connect all VSL to SUP?

The need for hardware diversity Bandwidth congestion at SUP In case the sup fail Qos must be configured on both

9.

Which option can be implemented to manipulate the election of PIM DR to force multicast traffic to a certain path?

Assign a lower PIM DR priority to the PIM DR interface Assign a lower IP address to the PIM DR interface Assign a higher PIM DR priority to the PIM DR interface Increase the cost on the PIM DR interface.

10.

Which option is an advantage of using PIM sparse mode instead of PIM dense mode?

No RP is required. There is reduced congestion in the network. IGMP is not required. It floods all multicast traffic throughout the network.

Cisco Designing Cisco Network Service Architectures v3.0 Set 4

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Cisco Designing Cisco Network Service Architectures v3.0 Set 4

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