SB&W: Exam CH 1 & 2

Questão 1 de 40

1

Which statement describes a characteristic of Cisco Meraki switches?

Selecione uma das seguintes:

They are cloud-managed access switches that enable virtual stacking of switches.
They are service provider switches that aggregate traffic at the edge of the network.
They promote infrastructure scalability, operational continuity, and transport flexibility.
They are campus LAN switches that perform the same functions as Cisco 2960 switches.

Explicação

Questão 2 de 40

1

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

Selecione uma das seguintes:

the use of the building switch block approach
the use of a collapsed core design
the installation of redundant power supplies
the purchase of enterprise equipment that is designed for large traffic volume

Explicação

Questão 3 de 40

1

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.)

Selecione uma ou mais das seguintes:

show startup-config
show running-config
show NVRAM
show flash
show version

Explicação

Questão 4 de 40

1

What is the function of PoE pass-through?

Selecione uma das seguintes:

allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch
allows a multilayer switch to forward IP packets at a rate close to that of Layer 2 switching by bypassing the CPU
allows a switch to disable redundant Layer 2 paths in the topology to prevent Layer 2 loops
allows multiple physical switch ports to be aggregated together and act as a single logical link to increase bandwidth on trunk links

Explicação

Questão 5 de 40

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?

Selecione uma das seguintes:

Redundant paths can be available without causing logical Layer 2 loops.
Multiple physical interfaces can be combined into a single EtherChannel interface.
Faster convergence is available for advanced routing protocols.
Network access can be expanded to support both wired and wireless devices.

Explicação

Questão 6 de 40

1

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

Selecione uma ou mais das seguintes:

a connection that uses the AUX port
a connection that uses Telnet
a connection that uses SSH
a connection that uses the console port
a connection that uses HTTP

Explicação

Questão 7 de 40

1

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

Selecione uma ou mais das seguintes:

It determines the best path to send packets.
It connects multiple IP networks.
It manages the VLAN database.
It controls the flow of data via the use of Layer 2 addresses
It increases the size of the broadcast domain.

Explicação

Questão 8 de 40

1

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

Selecione uma das seguintes:

to enable virtual stacking of switches to provide cloud-managed access
on a service provider network to promote integrated security, and simplified management
on a campus LAN network as access layer switches
on a data center network to provide expansion and transport flexibility

Explicação

Questão 9 de 40

1

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

Selecione uma ou mais das seguintes:

decreased number of critical points of failure
increased bandwidth availability
increased flexibility
increased network management options
reduced costs

Explicação

Questão 10 de 40

1

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

Selecione uma das seguintes:

the installation of only enterprise class equipment throughout the network
the configuration of all access layer devices to share a single gateway
the deployment of distribution layer switches in pairs and the division of access layer switch connections between them
the reduction in the number of redundant devices and connections in the network core

Explicação

Questão 11 de 40

1

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

Selecione uma ou mais das seguintes:

a direct connection to the auxiliary port
a direct connection to the console port
Telnet, SSH, or HTTP access to the device
a terminal emulation client
at least one network interface that is connected and operational

Explicação

Questão 12 de 40

1

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

Selecione uma das seguintes:

module size
domain size
port density
rack unit

Explicação

Questão 13 de 40

1

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

Selecione uma ou mais das seguintes:

enterprise edge
provider edge
access layer
core layer
distribution layer

Explicação

Questão 14 de 40

1

How can an enterprise network be designed to optimize bandwidth?

Selecione uma das seguintes:

by deploying a collapsed core model
by organizing the network to control traffic patterns
by limiting the size of failure domains
by installing devices with failover capabilities

Explicação

Questão 15 de 40

1

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

Selecione uma das seguintes:

They are modular switches.
New Cisco Catalyst 2960-C switches support PoE pass-through.
They do not support an active switched virtual interface (SVI) with IOS versions prior to 15.x.
They are best used as distribution layer switches.

Explicação

Questão 16 de 40

1

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?

Selecione uma das seguintes:

a PoE device
another fixed configuration router
a layer 3 switch
a modular router

Explicação

Questão 17 de 40

1

What is the function of ASICs in a multilayer switch?

Selecione uma das seguintes:

They provide power to devices such as IP phones and wireless access points through Ethernet ports.
They aggregate multiple physical switch ports into a single logical port.
They prevent Layer 2 loops by disabling redundant links between switches.
They streamline forwarding of IP packets in a multilayer switch by bypassing the CPU.

Explicação

Questão 18 de 40

1

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

Selecione uma das seguintes:

PC_3 and PC_2
AP_2 and AP_1
S4 and PC_2
PC_3 and AP_2
S1 and S4

Explicação

Questão 19 de 40

1

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

Selecione uma ou mais das seguintes:

collapsed core
failover capabilities
redundant power supplies
failure domains
services module

Explicação

Questão 20 de 40

1

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

Selecione uma das seguintes:

providing redundant links that dynamically block or forward traffic
providing redundant devices to allow traffic to flow in the event of device failure
grouping two devices to share a virtual IP address
grouping multiple physical ports to increase bandwidth between two switches

Explicação

Questão 21 de 40

1

Preencha o espaço em branco para completar o texto.

Fill in the blank. Use a number.
The default hello timer value for STP BPDU frames is seconds.

Explicação

Questão 22 de 40

1

Which two network design features require Spanning Tree Protocol (STP) to ensure correct network operation? (Choose two.)

Selecione uma ou mais das seguintes:

static default routes
removing single points of failure with multiple Layer 2 switches
link-state dynamic routing that provides redundant routes
redundant links between Layer 2 switches
implementing VLANs to contain broadcasts

Explicação

Questão 23 de 40

1

Which nonproprietary protocol provides router redundancy for a group of routers which support IPv4 LANs?

Selecione uma das seguintes:

SLB
VRRPv2
HSRP
GLBP

Explicação

Questão 24 de 40

1

Refer to the exhibit. Which protocol information is being displayed in the output?

Selecione uma das seguintes:

FHRP
VHRP
HSRP
GLBP

Explicação

Questão 25 de 40

1

In which two port states does a switch learn MAC addresses and process BPDUs in a PVST network? (Choose two.)

Selecione uma ou mais das seguintes:

disabled
listening
learning
forwarding
blocking

Explicação

Questão 26 de 40

1

Refer to the exhibit. Which trunk link will not forward any traffic after the root bridge election process is complete?

Selecione uma das seguintes:

Trunk1
Trunk2
Trunk3
Trunk4

Explicação

Questão 27 de 40

1

Which three components are combined to form a bridge ID?

Selecione uma ou mais das seguintes:

cost
port ID
IP address
extended system ID
bridge priority
MAC address

Explicação

Questão 28 de 40

1

Which STP port role is adopted by a switch port if there is no other port with a lower cost to the root bridge?

Selecione uma das seguintes:

alternate
disabled port
designated port
root port

Explicação

Questão 29 de 40

1

Which two concepts relate to a switch port that is intended to have only end devices attached and intended never to be used to connect to another switch? (Choose two.)

Selecione uma ou mais das seguintes:

extended system ID
edge port
PortFast
bridge ID
PVST+

Explicação

Questão 30 de 40

1

What is an advantage of PVST+?

Selecione uma das seguintes:

PVST+ optimizes performance on the network through autoselection of the root bridge.
PVST+ optimizes performance on the network through load sharing.
PVST+ requires fewer CPU cycles for all the switches in the network.
PVST+ reduces bandwidth consumption compared to traditional implementations of STP that use CST.

Explicação

Questão 31 de 40

1

To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.)

Selecione uma ou mais das seguintes:

The status of native VLAN ports.
The root bridge BID.
The number of broadcasts received on each root port
The IP address of the management VLAN interface.
The role of the ports in all VLANs.

Explicação

Questão 32 de 40

1

Preencha o espaço em branco para completar o texto.

Fill in the blank. Do not abbreviate.
To enable Rapid PVST+ on a Cisco switch, the spanning-tree mode global configuration mode command is required

Explicação

Questão 33 de 40

1

Which is the default STP operation mode on Cisco Catalyst switches?

Selecione uma das seguintes:

MST
Rapid PVST+
PVST+
RSTP
MSTP

Explicação

Questão 34 de 40

1

What additional information is contained in the 12-bit extended system ID of a BPDU?

Selecione uma das seguintes:

port ID
VLAN ID
MAC address
IP address

Explicação

Questão 35 de 40

1

What value determines the root bridge when all switches connected by trunk links have default STP configurations?

Selecione uma das seguintes:

extended system ID
MAC address
bridge priority
VLAN ID

Explicação

Questão 36 de 40

1

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?

Selecione uma das seguintes:

192.168.2.0
192.168.2.1
192.168.2.2
192.168.2.100

Explicação

Questão 37 de 40

1

What could be the effect of duplicate unicast frames arriving at a destination device due to multiple active alternative physical paths?

Selecione uma das seguintes:

The number of broadcast domains increases
Application protocols malfunction
Frame collisions increase
The number of collision domains increases

Explicação

Questão 38 de 40

1

Which STP priority configuration would ensure that a switch would always be the root switch?

Selecione uma das seguintes:

spanning-tree vlan 10 root primary
spanning-tree vlan 10 priority 61440
spanning-tree vlan 10 priority 4096
spanning-tree vlan 10 priority 0

Explicação

Questão 39 de 40

1

Which Cisco switch feature ensures that configured switch edge ports do not cause Layer 2 loops if a port is mistakenly connected to another switch?

Selecione uma das seguintes:

PortFast
BPDU guard
extended system ID
PVST+

Explicação

Questão 40 de 40

1

	Criado por Anthony Schulmeister quase 9 anos atrás

SB&W: CH 1&2 Exam

SB&W: Exam CH 1 & 2

Questão 1 de 40

Which statement describes a characteristic of Cisco Meraki switches?

Selecione uma das seguintes:

Explicação

Questão 2 de 40

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

Selecione uma das seguintes:

Explicação

Questão 3 de 40

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.)

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 40

What is the function of PoE pass-through?

Selecione uma das seguintes:

Explicação

Questão 5 de 40

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?

Selecione uma das seguintes:

Explicação

Questão 6 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 7 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 8 de 40

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

Selecione uma das seguintes:

Explicação

Questão 9 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 10 de 40

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

Selecione uma das seguintes:

Explicação

Questão 11 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 12 de 40

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

Selecione uma das seguintes:

Explicação

Questão 13 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 14 de 40

How can an enterprise network be designed to optimize bandwidth?

Selecione uma das seguintes:

Explicação

Questão 15 de 40

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

Selecione uma das seguintes:

Explicação

Questão 16 de 40

Selecione uma das seguintes:

Explicação

Questão 17 de 40

What is the function of ASICs in a multilayer switch?

Selecione uma das seguintes:

Explicação

Questão 18 de 40

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

Selecione uma das seguintes:

Explicação

Questão 19 de 40

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

Selecione uma ou mais das seguintes:

Explicação

Questão 20 de 40

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

Selecione uma das seguintes:

Fill in the blank. Use a number.
The default hello timer value for STP BPDU frames is seconds.

Fill in the blank. Do not abbreviate.
To enable Rapid PVST+ on a Cisco switch, the spanning-tree mode global configuration mode command is required