EtherChannel Quiz for Cisco exams - Networkwalks Academy

What are two advantages of using LACP?

It eliminates the need for the spanning tree protocol

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

It allows the use of multivendor devices & automatic formation of EtherChannel links

It provides a simulates environment for testing link aggregation

Which statement is true about EtherChannel?

PAGP cannot be used in conjunction with EtherChannel

A trunk port can be part of an EtherChannel bundle

EtherChannel operates only at Layer 2

EtherChannel can support up to a maximum of ten separate links

Which settings must match on both sides of the switch ports to form an EtherChannel?

Only the switch port numbers must match

vlans & SNMP community strings should match

Interface speed, duplex & vlan should match

Only the SNMP community strings must match

Which Cisco command will initiate EtherChannel interface configuration mode?

#channel-group group-identifier

#interface range interfaced-identifier

#interface interface-identifier

#interface port-channel interface-identifier

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

It requires more physical links than LACP

It is Cisco Proprietary

It increases the number of ports that are participating spanning tree

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

Which load balancing method/s can be implemented with EtherChannel technology?

Source IP to destination IP, Source MAC to destination MAC

Destination MAC to destination MAC

Destination MAC to Destination IP

Destination MAC to destination IP, Destination MAC to destination MAC

Which Cisco command must be used on SW2 to enable an EtherChannel, if 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 passive?

atech_SW2(config-if-range)# channel-group 1 mode auto

atech_SW2(config-if-range)# channel-group 1 mode desirable

atech_SW2(config-if-range)# channel-group 1 mode active

atech_SW2(config-if-range)# channel-group 1 mode passive

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

Desirable

Passive

Active

Auto

Which PAgP mode combination will establish an EtherChannel?

Switch 1 set to auto; switch 2 set to on

Switch 1 set to on; switch 2 set to desirable

Switch 1 set to desirable; switch 2 set to desirable

Switch 1 set to auto; switch 2 set to auto

10.

A trunk link between two switches has reached its capacity. How can this be addressed in the most economical way?

Decrease the size of inter-switch collision domain by configuring additional VLANs

Increase the speed of the ports

Combine physical ports into a high-speed logical link by configuring the EtherChannel

Create additional broadcast domains by inserting a router between the switches

EtherChannel Quiz

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