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

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  A . use ISL encapsulation B . use 802.1q encapsulation C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation D . use VTP server mode to support dynamic propagation of VLAN information across the network E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

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• 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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• 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

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• Which two of these are recommended practices with trunks？ （）

  A .  use ISL encapsulation B .  use 802.1q encapsulation C .  set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation D .  use VTP server mode to support dynamic propagation of VLAN information across the network  E .  set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

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• Which two of these are recommended practices with trunks？（）

  A . use ISL encapsulation B . use 802.1q encapsulation C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation D . use VTP server mode to support dynamic propagation of VLAN information across the network E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiatio

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

  A . peer-to-peer B . hub and spoke C . partial mesh D . full mesh

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• 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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• Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?（）https://assets.asklib.com/images/image2/2018072517001112103.jpg

  A . use a Layer 2 link between distribution switches B . use a Layer 3 link between distribution switches C . use a redundant link to the core D . use a Layer 3 link between distribution switches with route summarizatio

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• 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.

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  A . Health Registration Authority （HRA） B . Host Credential Authorization Protocol （HCAP） C . Network Policy Server （NPS） D . Routing and Remote Access service （RRAS）

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• Refer to the exhibit. Which two of these are correct regarding the recommended practice for distribution layer design？（）https://assets.asklib.com/images/image2/2018072517265678604.jpg

  A . use a redundant link to the core B . use a Layer 2 link between distribution switches C . never use a redundant link to the core because of convergence issues D . use a Layer 3 link between distribution switches with route summarization E . use a Layer 3 link between distribution switches without route summarizatio

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• Which two design recommendations are most appropriate when EIGRP is the data center corerouting 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.

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• 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.

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• Which two design concerns must be addressed when designing a multicast implementation？（）

  A . only the low-order 23 bits of the MAC address are used to map IP addresses B . only the low-order 24 bits of the MAC address are used to map IP addresses C . only the high-order 23 bits of the MAC address are used to map IP addresses D . only the low-order 23 bits of the IP address are used to map MAC addresses E . the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses F . the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresse

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• Which two are needed components when designing and implementing a security solution？（）

  A . detailed VLAN information B . an incident response plan C . results of testing the new network configuration D . an existing hierarchical network topology E . a security policy for your organizatio

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• Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration？（）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/876248999433f0d62dae02333dece382.jpg' /> A. use a Layer 2 link between distribution switches B. use a Layer 3 link between distribution switches C. use a redundant link to the core D. use a Layer 3 link between distribution switches with route summarization

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