Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）A、Never use passive interfaces.B、Use NSSA areas from the core down.C、Use totally stub areas to stop type 3 LSAs.D、Use the lowest Ethernet interface

题目

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）

A、Never use passive interfaces.
B、Use NSSA areas from the core down.
C、Use totally stub areas to stop type 3 LSAs.
D、Use the lowest Ethernet interface IP address as the router ID.
E、Tune OSPF timers to enable OSPF to achieve quicker convergence.

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第1题：

Refer to the exhibit. Which two statements about the topologies shown are correct?()

A. Design 1 is a looped triangle design.

B. Design 2 is a looped triangle design.

C. Design 2 achieves quick convergence using RSTP.

D. Both designs supportstateful services at the aggregation layer.

E. Design 2 is the most widely deployed in enterprise data centers.

参考答案：A, D

第2题：

Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol?()

A. Summarize data center subnets.

B. Use passive interfaces to ensure appropriate adjacencies.

C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.

D. Adjust the default bandwidth value to ensure proper bandwidth on all links.

E. Advertise a default summary route into the data center core from the aggregation layer.

参考答案：A, E

第3题：

Which two design goals describe the Junos OS design?()

A. clean separation of security and routing policies

B. clean separation of control and forwarding planes

C. modularization of multiple software processes

D. a single hardware platform for all software applications

参考答案：B, C

第4题：

Which two WAN access methods are specified for a simplified and cost-effective Cisco Single-Site Secure Network Foundation Deployment Design？（）

A、Frame-Relay
B、Leased Line
C、MPLS
D、DSL
E、Cable
F、Wireless

正确答案:D,E

第5题：

D（）is one of the design features of human language which refers to the phenomenon that language consists of two levels: a lower level of meaningless individual sounds and a higher level of meaningful units.

正确答案:Duality

第6题：

Which two statements correctly describe a situation in which an Active／Standby Service Module design is being used?()

A. Troubleshooting is more complicated.

B. Service and switch modules are underutilized.

C. Layer 2 adjacency is required with the servers that use this design.

D. Layer 3 adjacency is required with the servers that use this design.

E. Load balancing will always occur across both access layer uplinks.

参考答案：B, C

第7题：

Which design topology incurs a performance penalty since there are two encryption－decryption cycles between any two remote sites?()

A. peer-to-peer

B. partial mesh

C. hub and spoke

D. full mesh

参考答案：C

第8题：

Which of the following tools can make recommendations for indexes and／or MQTs to improve the performance of DB2 applications?()

A.Design Advisor

B.Visual Explain

C.Performance Advisor

D.Configuration Assistant

参考答案：A

第9题：

As a Cisco Network Engineer, you have to master the knowledge of the Cisco validated Design program. Which two of the following descriptions correctly identify its features? （）(Choose two.)

A、It strives to protect access to design documentation.
B、It facilitates customer deployments that are more predictable.
C、It facilitates customer deployments that are less reliable.
D、It incorporates products and technologies into a broad portfolio.

正确答案:B,D

第10题：

In a collapsed core design， which two benefits are provided by a second-generation Cisco MDS director？（）

A、 a higher fan-out ratio
B、 fully redundant switches
C、 100 percent port efficiency
D、 all ISLs contained within a single chassis
E、 higher latency and throughput than a core-edge design switch

正确答案:B,C

Which two design recommendations

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