▷ CCNA2 v7 Modules 5 - 6: Exam Answers

CCNA2 v7 Modules 5 - 6 Exam Answers

Summary

Check answers here: CCNA2 v7 SRWE Modules 5 – 6: Switching Concepts, VLANs, and InterVLAN Routing Exam Answers. CCNA 200-301 Passed 100% !!

This exam will cover material from Modules 5 – 6 of the CCNA2 Switching, Routing, and Wireless Essentials v7.0 (SRWE) curriculum. This exam will be scored using the Weighted Model where each MCSA (Multiple-Choice Single-Answer) is worth two points and each MCMA (Multiple-Choice Multiple-Answer) is worth one point for each correct option. Other tasks types such as fill-in-the-blank, drag and drop (matching) and Packet Tracer items may be included in this exam. For Packet Tracer tasks, you must have the latest version of Packet Tracer installed on your machine.

This exam will cover material from Modules 5 – 6 of the CCNA2 Switching, Routing, and Wireless Essentials v7.0 (SRWE) curriculum.

This exam will be scored using the Weighted Model where each MCSA (Multiple-Choice Single-Answer) is worth two points and each MCMA (Multiple-Choice Multiple-Answer) is worth one point for each correct option. If more options are selected than required, the student will receive a score of zero.

CCNA2 v7 Redundant Networks Exam Answers

A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?

Spanning Tree Protocol will transition the failed physical interface into forwarding mode.

The EtherChannel will transition to a down state.

The EtherChannel will remain functional.

Spanning Tree Protocol will recalculate the remaining trunk links.

Correct! Wrong!

When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?

active

desirable

auto

Correct! Wrong!

Which three components are combined to form a bridge ID?

Please select 3 correct answers

bridge priority

extended system ID

IP address

port ID

cost

MAC address

Correct! Wrong!

Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?

SW1: passive
SW2: active

SW1: auto
SW2: auto
trunking enabled on both switches

SW1: auto
SW2: auto
PortFast enabled on both switches

SW1: on
SW2: on

SW1: desirable
SW2: desirable

Correct! Wrong!

What will happen if a network administrator puts a port that is part of an EtherChannel bundle into a different VLAN than the other ports in that bundle?

The EtherChannel bundle will stay up only if PAgP is used.

The EtherChannel bundle will stay up if the ports were configured with no negotiation between the switches to form the EtherChannel.

The EtherChannel bundle will stay up only if LACP is used.

The EtherChannel bundle will stay up if either PAgP or LACP is used.

The EtherChannel will fail.

Correct! Wrong!

What are two drawbacks to turning spanning tree off and having multiple paths through the Layer 2 switch network? (Choose two.)

Please select 2 correct answers

Port security shuts down all of the ports that have attached devices.

Broadcast frames are transmitted indefinitely.

Port security becomes unstable.

The MAC address table becomes unstable.

The switch acts like a hub.

Correct! Wrong!

Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)

Please select 2 correct answers

PAgP mode

MAC address

port ID

speed

VLAN information

Correct! Wrong!

Which three port states are used by Rapid PVST+? (Choose three.)

Please select 3 correct answers

learning

trunking

listening

discarding

forwarding

blocking

Correct! Wrong!

What is the purpose of the Spanning Tree Protocol (STP)?

allows Cisco devices to exchange routing table updates

creates smaller broadcast domains

prevents routing loops on a router

creates smaller collision domains

prevents Layer 2 loops

Correct! Wrong!

Which three interface parameters must match for an EtherChannel to form? (Choose three.)

Please select 3 correct answers

EtherChannel mode

PortFast mode

allowed VLANs

native VLAN

spanning-tree state

trunking mode

Correct! Wrong!

An EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?

S1-passive and S2-active

S1-on and S2-passive

S1-passive and S2-passive

S1-on and S2-active

Correct! Wrong!

A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root?

32768

4096

61440

65535

Correct! Wrong!

Which two load balancing methods can be implemented with EtherChannel technology? (Choose two.)

Please select 2 correct answers

destination IP to source IP

source IP to destination IP

destination MAC to source MAC

source MAC to destination MAC

destination MAC to destination IP

destination IP to destination MAC

Correct! Wrong!

Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path?

PVST+

MST

Rapid PVST

802.1D

Correct! Wrong!

What are three advantages of using EtherChannel technology? (Choose three.)

Please select 3 correct answers

The Spanning Tree Protocol shuts down the unused interfaces in the bundle to avoid loops.

A spanning tree recalculation is not required when a single link within the channel goes down.

There is no need to upgrade links to faster connections to increase bandwidth.

EtherChannel uses multiple logical links to provide redundancy.

Configuration tasks can be done on the EtherChannel interface.

Load balancing is not needed with EtherChannel.

Correct! Wrong!

What is a characteristic of spanning tree?

It is used to discover information about an adjacent Cisco device.

It is enabled by default on Cisco switches.

It prevents propagation of Layer 2 broadcast frames.

It has a TTL mechanism that works at Layer 2.

Correct! Wrong!

A switch is configured to run STP. What term describes the reference point for all path calculations?

alternate port

designated port

root port

root bridge

Correct! Wrong!

What is the function of STP in a scalable network?

It protects the edge of the enterprise network from malicious activity.

It disables redundant paths to eliminate Layer 2 loops.

It combines multiple switch trunk links to act as one logical link for increased bandwidth.

It decreases the size of the failure domain to contain the impact of failures.

Correct! Wrong!

Which statement is true regarding the use of PAgP to create EtherChannels?

It requires more physical links than LACP does.

It is Cisco proprietary.

It increases the number of ports that are participating in spanning tree.

It requires full duplex.

It mandates that an even number of ports (2, 4, 6, etc.) be used for aggregation.

Correct! Wrong!

A switch is configured to run STP. What term describes a field used to specify a VLAN ID?

bridge priority

port ID

MAC Address

extended system ID

Correct! Wrong!

A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge in this design?

32768

34816

61440

28672

Correct! Wrong!

Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?

root port

non-designated port

disabled port

designated port

Correct! Wrong!

An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this?

show startup-config

show running-config

show vlan

show spanning-tree

Correct! Wrong!

Which statement describes an EtherChannel implementation?

A trunked port can be part of an EtherChannel bundle.

PAgP cannot be used in conjunction with EtherChannel.

EtherChannel can support up to a maximum of ten separate links.

EtherChannel operates only at Layer 2.

Correct! Wrong!

During the implementation of Spanning Tree Protocol, all switches are rebooted by the network administrator. What is the first step of the spanning-tree election process?

Each switch determines the best path to forward traffic.

Each switch with a lower root ID than its neighbor will not send BPDUs.

All the switches send out BPDUs advertising themselves as the root bridge.

Each switch determines what port to block to prevent a loop from occurring.

Correct! Wrong!

What are two advantages of EtherChannel? (Choose two.)

Please select 2 correct answers

Spanning Tree Protocol ensures redundancy by transitioning failed interfaces in an EtherChannel to a forwarding state.

Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection.

Configuring the EtherChannel interface provides consistency in the configuration of the physical links.

EtherChannel uses upgraded physical links to provide increased bandwidth.

Load balancing occurs between links configured as different EtherChannels.

Correct! Wrong!

When PVST is running over a switched network, which port state can participate in BPDU frame forwarding based on BPDUs received, but does not forward data frames?

listening

blocking

forwarding

disabled

Correct! Wrong!

Which statement is true about EtherChannel technology?

EtherChannel uses existing switch ports.

All configuration tasks must be done on the individual ports in the EtherChannel link.

Links must be upgraded to support EtherChannel.

STP does not run on redundant EtherChannel links.

Correct! Wrong!

Which protocol provides up to 16 instances of RSTP, combines many VLANs with the same physical and logical topology into a common RSTP instance, and provides support for PortFast, BPDU guard, BPDU filter, root guard, and loop guard?

MST

Rapid PVST+

STP

PVST+

Correct! Wrong!

Which RSTP ports are connected to end devices?

root ports

trunk ports

designated ports

edge ports

Correct! Wrong!

When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection?

VLAN interface

loopback

interface range

port channel

Correct! Wrong!

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

MAC address

IP address

VLAN ID

port ID

Correct! Wrong!

When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.)

Please select 2 correct answers

disabled

designated

alternate

root

blocked

Correct! Wrong!

Which function is provided by EtherChannel?

creating one logical link by using multiple physical links between two LAN switches

dividing the bandwidth of a single link into separate time slots

enabling traffic from multiple VLANs to travel over a single Layer 2 link

spreading traffic across multiple physical WAN links

Correct! Wrong!

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

Please select 2 correct answers

learning

disabled

forwarding

blocking

listening

Correct! Wrong!

A switch is configured to run STP. What term describes a field that has a default value of 32,768 and is the initial deciding factor when electing a root bridge?

extended system ID

bridge ID

bridge priority

BPDUs

Correct! Wrong!

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

Please select 2 correct answers

link-state dynamic routing that provides redundant routes

removing single points of failure with multiple Layer 2 switches

implementing VLANs to contain broadcasts

redundant links between Layer 2 switches

static default routes

Correct! Wrong!

What are two requirements to be able to configure an EtherChannel between two switches? (Choose two.)

Please select 2 correct answers

The interfaces that are involved need to be contiguous on the switch.

Different allowed ranges of VLANs must exist on each end.

All interfaces need to be assigned to different VLANs.

All the interfaces need to work at the same speed.

All the interfaces need to be working in the same duplex mode.

Correct! Wrong!

Which two statements describe a switch port that is configured with PortFast? (Choose two.)

Please select 2 correct answers

The switch port immediately processes any BPDUs before transitioning to the forwarding state.

The switch port immediately transitions from the listening to the forwarding state.

The switch port immediately transitions from blocking to the forwarding state.

The switch port sends DHCP requests before transitioning to the forwarding state.

The switch port should never receive BPDUs.

Correct! Wrong!

Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?

Multilink PPP

DTP

LACP

PAgP

Correct! Wrong!

What is an accurate description of redundancy?

configuring a router with a complete MAC address database to ensure that all frames can be forwarded to the correct destination

designing a network to use multiple paths between switches to ensure there is no single point of failure

designing a network to use multiple virtual devices to ensure that all traffic uses the best path through the internetwork

configuring a switch with proper security to ensure that all traffic forwarded through an interface is filtered

Correct! Wrong!

A network administrator is configuring an EtherChannel link between switches SW1 and SW2 by using the command SW1(config-if-range)# channel-group 1 mode auto . Which command must be used on SW2 to enable this EtherChannel?

SW2(config-if-range)# channel-group 1 mode desirable

SW2(config-if-range)# channel-group 1 mode on

SW2(config-if-range)# channel-group 1 mode active

SW2(config-if-range)# channel-group 1 mode passive

Correct! Wrong!

When a range of ports is being configured for EtherChannel, which mode will configure LACP so that it initiates the EtherChannel negotiation?

passive

active

auto

desirable

Correct! Wrong!

When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device?

desirable

active

passive

auto

Correct! Wrong!

When a range of ports is being configured for EtherChannel by the use of PAgP, which mode will form the bundled channel only if the port receives PAgP packets from another device?

desirable

auto

active

passive

Correct! Wrong!

A network administrator is configuring an EtherChannel link between two physical ports on a switch. Which statement describes the result when one of the physical ports fails?

The EtherChannel continues transmitting data with reduced bandwidth.

An STP recalculation is needed.

The EtherChannel link fails.

The EtherChannel stops transmitting data until it is restarted.

Correct! Wrong!

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

extended system ID

VLAN ID

bridge priority

MAC address

Correct! Wrong!

Which port state will switch ports immediately transition to when configured for PortFast?

blocking

listening

forwarding

learning

Correct! Wrong!

When a range of ports is being configured for EtherChannel, which mode will configure PAgP so that it initiates the EtherChannel negotiation?

active

auto

passive

desirable

Correct! Wrong!

What is the value used to determine which port on a non-root bridge will become a root port in a STP network?

the lowest MAC address of all the ports in the switch

the path cost

the VTP revision number

the highest MAC address of all the ports in the switch

Correct! Wrong!

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

designated port

disabled port

root port

alternate

Correct! Wrong!

A switch is configured to run STP. What term describes a non-root port that is permitted to forward traffic on the network?

disabled

designated port

alternate port

root port

Correct! Wrong!

After the election of the root bridge has been completed, how will switches find the best paths to the root bridge?

Each switch will analyze the sum of the hops to reach the root and use the path with the fewest hops.

Each switch will analyze the port states of all neighbors and use the designated ports to forward traffic to the root.

Each switch will analyze the BID of all neighbors to reach the root and use the path through the lowest BID neighbors.

Each switch will analyze the sum of all port costs to reach the root and use the path with the lowest cost.

Correct! Wrong!

In which two PVST+ port states are MAC addresses learned? (Choose two.)

Please select 2 correct answers

blocking

learning

forwarding

listening

disabled

Correct! Wrong!

A switch is configured to run STP. What term describes the switch port closest, in terms of overall cost, to the root bridge?

root port

disabled

designated port

alternate port

Correct! Wrong!

What are two advantages of using LACP? (Choose two.)

Please select 2 correct answers

It eliminates the need for configuring trunk interfaces when deploying VLANs on multiple switches.

It decreases the amount of configuration that is needed on a switch.

It provides a simulated environment for testing link aggregation.

It allows directly connected switches to negotiate an EtherChannel link.

It allows the use of multivendor devices.

LACP allows Fast Ethernet and Gigabit Ethernet interfaces to be mixed within a single EtherChannel.

Correct! Wrong!

What are two load-balancing methods in the EtherChannel technology? (Choose two.)

Please select 2 correct answers

combination of source port and IP to destination port and IP

combination of source MAC and IP to destination MAC and IP

source port to destination port

source IP to destination IP

source MAC to destination MAC

Correct! Wrong!

Which two mode combinations would result in the successful negotiation of an EtherChannel? (Choose two.)

Please select 2 correct answers

active; passive

active; on

desirable; active

auto; auto

passive; auto

desirable; desirable

Correct! Wrong!

Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)

Please select 2 correct answers

desirable

active

passive

auto

Correct! Wrong!

A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down?

The remaining two interfaces become separate links between the two switches.

One interface becomes an active link for data traffic and the other becomes a backup link.

The remaining two interfaces continue to load balance traffic.

The EtherChannel fails.

Correct! Wrong!

What is a requirement to configure a trunking EtherChannel between two switches?

The participating interfaces must be assigned the same VLAN number on both switches.

The allowed range of VLANs must be the same on both switches.

The participating interfaces must be physically contiguous on a switch.

Correct! Wrong!

If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?

lowest IP address

highest IP address

highest MAC address

lowest MAC address

Correct! Wrong!

What is the outcome of a Layer 2 broadcast storm?

CSMA/CD will cause each host to continue transmitting frames.

Routers will take over the forwarding of frames as switches become congested.

ARP broadcast requests are returned to the transmitting host.

New traffic is discarded by the switch because it is unable to be processed.

Correct! Wrong!

Which two protocols are link aggregation protocols? (Choose two.)

Please select 2 correct answers

STP

RSTP

802.3ad

PAgP

EtherChannel

Correct! Wrong!

Which statement describes a characteristic of EtherChannel?

It consists of multiple parallel links between a switch and a router.

It can bundle mixed types of 100 Mb/s and 1Gb/s Ethernet links.

It can combine up to a maximum of 4 physical links.

It is made by combining multiple physical links that are seen as one link between two switches.

Correct! Wrong!

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.)

Please select 2 correct answers

bridge ID

extended system ID

edge port

PVST+

PortFast

Correct! Wrong!

SRWE | Modules 5 – 6

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CCNA3 v7 ENSA | Final Exam Answers

CCNA3 v7 ENSA | Modules 13 – 14 Exam Answers

CCNA3 v7 ENSA | Modules 9 – 12 Exam Answers

CCNA2 v7 SRWE | Modules 5 – 6 Exam Answers

CCNA2 v7 Modules 5 - 6 Exam Answers

CCNA2 v7 Redundant Networks Exam Answers

A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?

When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?

Which three components are combined to form a bridge ID?

Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?

What will happen if a network administrator puts a port that is part of an EtherChannel bundle into a different VLAN than the other ports in that bundle?

What are two drawbacks to turning spanning tree off and having multiple paths through the Layer 2 switch network? (Choose two.)

Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)

Which three port states are used by Rapid PVST+? (Choose three.)

What is the purpose of the Spanning Tree Protocol (STP)?

Which three interface parameters must match for an EtherChannel to form? (Choose three.)

An EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?​

A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root?

Which two load balancing methods can be implemented with EtherChannel technology? (Choose two.)

Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path?

What are three advantages of using EtherChannel technology? (Choose three.)

What is a characteristic of spanning tree?

A switch is configured to run STP. What term describes the reference point for all path calculations?

What is the function of STP in a scalable network?

Which statement is true regarding the use of PAgP to create EtherChannels?

A switch is configured to run STP. What term describes a field used to specify a VLAN ID?

A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge in this design?

Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?

An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this?

Which statement describes an EtherChannel implementation?

During the implementation of Spanning Tree Protocol, all switches are rebooted by the network administrator. What is the first step of the spanning-tree election process?

What are two advantages of EtherChannel? (Choose two.)

When PVST is running over a switched network, which port state can participate in BPDU frame forwarding based on BPDUs received, but does not forward data frames?

Which statement is true about EtherChannel technology?

Which protocol provides up to 16 instances of RSTP, combines many VLANs with the same physical and logical topology into a common RSTP instance, and provides support for PortFast, BPDU guard, BPDU filter, root guard, and loop guard?

Which RSTP ports are connected to end devices?

When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection?

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

When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.)

Which function is provided by EtherChannel?

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

A switch is configured to run STP. What term describes a field that has a default value of 32,768 and is the initial deciding factor when electing a root bridge?

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

What are two requirements to be able to configure an EtherChannel between two switches? (Choose two.)

Which two statements describe a switch port that is configured with PortFast? (Choose two.)

Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?

What is an accurate description of redundancy?

A network administrator is configuring an EtherChannel link between switches SW1 and SW2 by using the command SW1(config-if-range)# channel-group 1 mode auto . Which command must be used on SW2 to enable this EtherChannel?

When a range of ports is being configured for EtherChannel, which mode will configure LACP so that it initiates the EtherChannel negotiation?

When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device?

When a range of ports is being configured for EtherChannel by the use of PAgP, which mode will form the bundled channel only if the port receives PAgP packets from another device?

A network administrator is configuring an EtherChannel link between two physical ports on a switch. Which statement describes the result when one of the physical ports fails?

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

Which port state will switch ports immediately transition to when configured for PortFast?

When a range of ports is being configured for EtherChannel, which mode will configure PAgP so that it initiates the EtherChannel negotiation?

What is the value used to determine which port on a non-root bridge will become a root port in a STP network?

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

A switch is configured to run STP. What term describes a non-root port that is permitted to forward traffic on the network?

After the election of the root bridge has been completed, how will switches find the best paths to the root bridge?

In which two PVST+ port states are MAC addresses learned? (Choose two.)

A switch is configured to run STP. What term describes the switch port closest, in terms of overall cost, to the root bridge?

What are two advantages of using LACP? (Choose two.)

What are two load-balancing methods in the EtherChannel technology? (Choose two.)

Which two mode combinations would result in the successful negotiation of an EtherChannel? (Choose two.)

Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)

A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down?

What is a requirement to configure a trunking EtherChannel between two switches?

If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?

What is the outcome of a Layer 2 broadcast storm?

Which two protocols are link aggregation protocols? (Choose two.)

Which statement describes a characteristic of EtherChannel?

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.)

CCNA3 v7 ENSA | Final Exam Answers

CCNA3 v7 ENSA | Modules 13 – 14 Exam Answers

CCNA3 v7 ENSA | Modules 9 – 12 Exam Answers

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An EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?