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Cisco Designing Cisco Network Service Architectures Sample Questions:

1. Click the Exhibit button.
Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?

A) PVST+
B) UDLD
C) RSTP
D) BFD

2. Which of the following is most accurate with respect to designing high availability within the Enterprise Campus network?

A) Distribution layer high availability design includes redundant switches and Layer 3 equal-cost load sharing connections to the switched Access and routed Core layers, with a Layer 3 link between the Distribution switches to support summarization of routing information from the Distribution to the Core
B) Non-deterministic traffic patterns require a highly available modular topology design
C) Default gateway redundancy allows for the failure of a redundant Distribution switch without affecting endpoint connectivity
D) High availability at and between the Distribution and Access layers is as simple as redundant switches and redundant Layer 3 connections

3. An engineer is designing an address plan. Which IPv6 prefix removes any consideration regarding the number of hosts per subnet?

A) /32
B) /96
C) /64
D) /48

4. Which option is a common cause of congestion found in a campus network?

A) input serialization delay
B) Tx-queue starvation
C) Rx-queue starvation
D) output serialization delay

5. Which two options improve BGP scalability in a large autonomous system? (Choose two.)

A) confederations
B) route redistribution
C) route reflectors
D) communities

Solutions: