Distribution layer: This layer i

题目

Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?()

  • A、OSPF is not supported by the design
  • B、HSRP is not supported by the design
  • C、preempt tuning of the default gateway is needed
  • D、the design implements Layer 3 between the access switch and the distribution switch
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相似问题和答案

第1题:

When is a first-hop redundancy protocol needed in the distribution layer?()

A. when HSRP is not supported by the design

B. when multiple vendor devices need to be supported

C. when preempt tuning of the default gateway is needed

D. when a robust method of backing up the default gateway is needed

E. when the design implements Layer 2 between the access switch and the distribution switch

F. when the design implements Layer 3 between the access switch and the distribution switch


参考答案:F

第2题:

To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?()

A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link

B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link

C. to two core switches from redundant distribution switches connected with a Layer 2 link

D. to two core switches from redundant distribution switches connected with a Layer 3 link

E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO


参考答案:D

第3题:

● TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__.

(71)A.network interface layer, internet layer, transport layer and application layer

B.internet layer, network interface layer, transport layer and application layer

C.network interface layer, transport layer, network interface layer and application layer

D.application layer, transport layer, internet layer and network interface layer


正确答案:A

第4题:

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

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


参考答案:C, D

第5题:

Refer to the exhibit. Which recommended practice is applicable?()

A. If no core layer is deployed, the design will be easier to scale.

B. If no core layer is deployed, there will be fewer cabling requirements.

C. If no core layer is deployed, the distribution switches should not be fully meshed.

D. A dedicated campus core layer is not needed for connecting fewer than five buildings.

E. A dedicated campus core layer should be deployed for connecting three or more buildings.


参考答案:E

第6题:

Which of these recommended designs provides the highest availability?()

A. map the Layer 2 VLAN number to the Layer 3 subnet

B. control route propagation to edge switches using distribute lists

C. use a Layer 2 distribution interconnection link with HSRP or GLBP

D. use a Layer 3 distribution interconnection link with HSRP or GLBP

E. use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP


参考答案:A

第7题:

Which two practices will avoid Cisco Express Forwarding polarization?()

A. The core layer should use default Layer 3 hash information.

B. The core layer should use default Layer 4 hash information.

C. The distribution layer should use default Layer 3 hash information.

D. The distribution layer should use default Layer 4 hash information.

E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.

F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.


参考答案:A, F

第8题:

TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__.

A.network interface layer, internet layer, transport layer and application layer

B.internet layer, network interface layer, transport layer and application layer

C.network interface layer, transport layer, network interface layer and application layer

D.application layer, transport layer, internet layer and network interface layer


正确答案:A
TCP/IP协议是当今世界上最流行的开放系统协议集,它正在支撑着Internet的正常运转。它由4层组成,由低到高依次为网络接口层.Internet层.传输层.应用层。

第9题:

Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?()

A. OSPF is not supported by the design

B. HSRP is not supported by the design

C. preempt tuning of the default gateway is needed

D. the design implements Layer 3 between the access switch and the distribution switch


参考答案:D

第10题:

A network is deployed using best practices of the enterprise campus network model, including users with desktop computers connected via IP phones. Given that all components are QoS-capable,  where are the two optimal locations for trust boundaries to be configured by the network administrator?()

  • A、host
  • B、IP phone
  • C、access layer switch
  • D、distribution layer switch
  • E、core layer switch

正确答案:B,C

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