CCNA 3 Chapter 1 V6.0 Answers

1. A network administrator is planning redundant devices and cabling in a switched network to support high availability. Which benefit will implementing the Spanning Tree Protocol provide to this design?

Faster convergence is available for advanced routing protocols.

Multiple physical interfaces can be combined into a single EtherChannel interface.

Redundant paths can be available without causing logical Layer 2 loops.

Network access can be expanded to support both wired and wireless devices.


2. Refer to the exhibit. Which devices exist in the failure domain when switch S3 loses power?

Which devices exist in the failure domain when switch S3 loses power?

PC_3 and AP_2

PC_3 and PC_2

S4 and PC_2

AP_2 and AP_1

S1 and S4


3. Which two features of enterprise class equipment assists an enterprise network in maintaining 99.999 percent up-time? (Choose two.)

services module

failover capabilities

collapsed core

redundant power supplies

failure domains


4. Which design feature will limit the size of a failure domain in an enterprise network?

the installation of redundant power supplies

the use of a collapsed core design

the use of the building switch block approach

the purchase of enterprise equipment that is designed for large traffic volume


5. What are two expected features of modern enterprise networks? (Choose two.)

support for critical applications

support for limited growth

support for converged network traffic

support for distributed administrative control

support for 90 percent reliability


6. What network design would contain the scope of disruptions on a network should a failure occur?

the reduction in the number of redundant devices and connections in the network core

the installation of only enterprise class equipment throughout the network

the deployment of distribution layer switches in pairs and the division of access layer switch connections between them

the configuration of all access layer devices to share a single gateway


7. What are two ways to access a Cisco switch for out-of-band management? (Choose two.)

a connection that uses SSH

a connection that uses Telnet

a connection that uses HTTP

a connection that uses the AUX port

a connection that uses the console port


8. In which situation would a network administrator install a Cisco Nexus Series or Cisco Catalyst 6500 Series switch to promote infrastructure scalability?

To enable virtual stacking of switches to provide cloud-managed access

on a campus LAN network as access layer switches

on a service provider network to promote integrated security, and simplified management

on a data center network to provide expansion and transport flexibility


9. What capability is provided by the use of application-specific integrated circuits in Cisco multilayer switches?

aggregating physical ports into a single logical interface

forwarding of IP packets independent of the CPU

providing user authentication and authorization

protecting data traffic in the event of a failed circuit


10. Which statement describes a characteristic of Cisco Catalyst 2960 switches?

They are modular switches.

New Cisco Catalyst 2960-C switches support PoE pass-through.

They are best used as distribution layer switches.

They do not support an active switched virtual interface (SVI) with IOS versions prior to 15.x.


11. Match the purpose to the related configuration item. (Not all options are used.)

Match the purpose to the related configuration item

assignment of IP address to interface -> connectivity

hostname -> identification

routing protocols -> access remote networks

passwords -> security


12. Which type of information is displayed by the show ip protocols command that is issued from a router command prompt?

interfaces with line (protocol) status and I/O statistics

interface information, including whether an ACL is enabled on the interface

the configured routing protocols and the networks that the router is advertising

the routed protocol that is enabled and the protocol status of interfaces


13. Which action should be taken when planning for redundancy on a hierarchical network design?

continually purchase backup equipment for the network

add alternate physical paths for data to traverse the network

implement STP portfast between the switches on the network

immediately replace a non-functioning module, service or device on a network


14. What term is used to express the thickness or height of a switch?

module size

domain size

rack unit

port density


15. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

show flash

show running-config

show version

show NVRAM

show startup-config


16. A network technician needs to connect a PC to a Cisco network device for initial configuration. What is required to perform this device configuration?

HTTP access

at least one operational network interface on the Cisco device

Telnet access

terminal emulation client


17. What is a characteristic of in-band device management?

It is used to monitor and make configuration changes to a network device over a network connection.

It uses a terminal emulation client.

It is used for initial configuration or when a network connection is unavailable.

It uses a direct connection to a console or AUX port.


18. In the Cisco Enterprise Architecture, which two functional parts of the network are combined to form a collapsed core design? (Choose two.)

enterprise edge

provider edge

distribution layer

access layer

core layer


19. Which statement describes a characteristic of Cisco Meraki switches?

They promote infrastructure scalability, operational continuity, and transport flexibility.

They are cloud-managed access switches that enable virtual stacking of switches.

They are campus LAN switches that perform the same functions as Cisco 2960 switches.

They are service provider switches that aggregate traffic at the edge of the network.


20. What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)

decreased number of critical points of failure

increased flexibility

reduced costs

increased network management options

increased bandwidth availability


21. What is the function of ASICs in a multilayer switch?

They aggregate multiple physical switch ports into a single logical port.

They provide power to devices such as IP phones and wireless access points through Ethernet ports.

They streamline forwarding of IP packets in a multilayer switch by bypassing the CPU.

They prevent Layer 2 loops by disabling redundant links between switches.


22. A network engineer is reviewing a network design that uses a fixed configuration enterprise router that supports both LAN and WAN connections. However, the engineer realizes that the router does not have enough interfaces to support growth and network expansion. Which type of device should be used as a replacement?

another fixed configuration router

a Layer 3 switch

a modular router

a PoE device


23. What are two functions of a router? (Choose two.)

It controls the flow of data via the use of Layer 2 addresses.

It manages the VLAN database.

It increases the size of the broadcast domain.

It determines the best path to send packets.

It connects multiple IP networks.


24. When a Cisco IOS device is being selected or upgraded, which option indicates the capabilities of the Cisco IOS device?


release number

version number

feature set


25. What are three access layer switch features that are considered when designing a network? (Choose three.)

Power over Ethernet

forwarding rate

failover capability

speed of convergence

broadcast traffic containment

port density


26. As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?

providing redundant links that dynamically block or forward traffic

grouping two devices to share a virtual IP address

providing redundant devices to allow traffic to flow in the event of device failure

grouping multiple physical ports to increase bandwidth between two switches


27. Which two requirements must always be met to use in-band management to configure a network device? (Choose two.)

a direct connection to the console port

at least one network interface that is connected and operational

Telnet, SSH, or HTTP access to the device

a terminal emulation client

a direct connection to the auxiliary port


28. Refer to the exhibit. Which command was issued on a Cisco switch that resulted in the exhibited output?

Which command was issued on a Cisco switch that resulted in the exhibited output?

show vlan summary

show vlan brief

show mac-address-table

show port-security address

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