CCNA Exploration 3 Chapter 1 Exam Answers

1. A network administrator is selecting a switch that will operate at the network core. Which three features should the switch support for optimum network performance and reliability? (Choose three.)

port security

security policies

10 Gigabit Ethernet

quality of service (QoS)

hot-swappable hardware

Power over Ethernet (PoE)

 

2. Link aggregation should be implemented at which layer of the hierarchical network?

core only

distribution and core

access and distribution

access, distribution, and core

 

3. A technician is attempting to explain Cisco StackWise technology to a client that is setting up three stackable switches. Which explanation accurately describes StackWise technology?

StackWise technology allows up to eight ports to be bound together to increase available bandwidth.

StackWise technology allows the switch to deliver power to end devices by using existing Ethernet cabling.

StackWise technology allows the switch capabilities and ports to be expanded by the addition of line cards.

StackWise technology allows up to nine switches to be interconnected via the use of a fully redundant backplane.

 

4. Configuring communication between devices on different VLANs requires the use of which layer of the OSI model?

Layer 1

Layer 3

Layer 4

Layer 5

 

5.

CCNAExploration3Chapter1ExamAnswers thumb CCNA Exploration 3 Chapter 1 Exam Answers

Refer to the exhibit. Beginning with HR servers and workstations, a network engineer is designing a new security structure for the network. Which set of policies adheres to the hierarchical network model design principles?

Implement Layer 3 switching on S1 to reduce the packet processing load on D1 and D2. Install all security processing on S1 to reduce network traffic load.

Configure port security options on S1. Use Layer 3 access control features on D1 and D2 to limit access to the HR servers to just the HR subnet.

Move all HR assets out of the data center and connect them to S1. Use Layer 3 security functions on S1 to deny all traffic into and out of S1.

Perform all port access and Layer 3 security functions on C1.

 

6. Which three features are commonly supported at the distribution layer of the Cisco hierarchical network model? (Choose three.)

security policies

Power over Ethernet

switch port security

quality of service

Layer 3 functionality

end user access to network

 

7. What statement best describes a modular switch?

a slim-line chassis

allows interconnection of switches on redundant backplane

defined physical characteristics

flexible characteristics

 

8.

CCNAExploration3Module1ExamAnswers thumb CCNA Exploration 3 Chapter 1 Exam Answers

Refer to the exhibit. What characteristic of hierarchical network designs is exhibited by having SW3 connected to both SW1 and Sw2?

scalability

security

redundancy

maintainability

 

9. What is the likely impact of moving a conventional company architecture to a completely converged network?

Local analog phone service can be completely outsourced to cost-effective providers.

The Ethernet VLAN structure is less complex.

A shared infrastructure is created resulting in a single network to manage.

QoS issues are greatly reduced.

There is less bandwidth competition between voice and video streams.

 

10. Which layer of the hierarchical network design model is refered to as the high-speed backbone of the internetwork, where high availability and redundancy are critical?

access layer

core layer

data-link layer

distribution layer

network layer

physical layer

 

11. Which two characteristics are associated with enterprise level switches? (Choose two.)

low port density

high forwarding rate

high latency level

support link aggregation

predefined number of ports

 

12. Which hierarchical design characteristic would be recommended at both the core and distribution layers to protect the network in the case of a route failure?

PoE

redundancy

aggregation

access lists

 

13. Which layer of the hierarchical design model provides a means of connecting devices to the network and controlling which devices are allowed to communicate on the network?

application

access

distribution

network

core

 

14. Configuring communication between devices on different VLANs requires the use of which layer of the OSI model?

Layer 1

Layer 3

Layer 4

Layer 5

 

15. At which heirarchical layer are switches normally not required to process all ports at wire speed?

core layer

distribution layer

access layer

entry layer

 

16. Which feature supports higher throughput in switched networks by combining multiple switch ports?

convergence

redundant links

link aggregation

network diameter

 

17. For organizations that are implementing a voice over IP solution, what functionality should be enabled at all three layers of the hierarchical network?

Power over Ethernet

quality of service

switch port security

inter-VLAN routing

 

18. A network technician is asked to examine an existing switched network. Following this examination, the technician makes recommendations for adding new switches where needed and replacing existing equipment that hampers performance. The technician is given a budget and asked to proceed. Which two pieces of information would be helpful in determining necessary port density for new switches? (Choose two.)

forwarding rate

traffic flow analysis

expected future growth

number of required core connections

number of hubs that are needed in the access layer to increase performance

 

19. Which hierarchical design model layer controls the flow of network traffic using policies and delineates broadcast domains by performing routing functions between virtual LANs (VLANs)?

application

access

distribution

network

core

 

20. Which two features are supported at all three levels of the Cisco three-layer hierarchical model? (Choose two.)

Power over Ethernet

load balancing across redundant trunk links

redundant components

Quality of Service

link aggregation

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One Comment

  1. gabriel says:

    Thanks for the information but i would need all the necessary materials needed for me to self tution to write the exams.
    I would count on the necessary advise and help from you.

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