EtherChannel Quiz (ENCOR, CCNP) - Networkwalks Academy

EtherChannel online Quiz best for IT certifications like Cisco CCNA, CCNP, CCIE, Huawei HCNA, Juniper JNCIA, Microsoft MCSA/MCSE, …

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1. What is an advantage of using LACP?

It gives more speed as compared to PAgP

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

It allows the use of multi-vendor devices

It eliminates the need for the spanning tree protocol

2. Which one of below is an advantage of using EtherChannel technology?

EtherChannel supports fiber links

Load balancing is not needed with EtherChannel

EtherChannel shutdowns 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

3. Which mode will configure LACP in a way that it will initiate the EtherChannel negotiation?

Desirable

Passive

Auto

Active

4. Which PAgP mode combination will establish an EtherChannel?

Switch 1 set to auto; Switch 2 set to on

Switch 1 set to auto; Switch 2 set to auto

Switch 1 set to desirable; Switch 2 set to desirable

Switch 1 set to on; Switch 2 set to desirable

5. Which statement is true about EtherChannel?

EtherChannel can support up to a maximum of ten separate links

PAgP can be used with LACP at the same EtherChannel bundle

‘D’ means that an EtherChannel is Up & working

‘U’ means that an EtherChannel is Up & working

6. Which Cisco command can be used to enter into EtherChannel interface configuration mode?

#interface port-channel 1

#interface 1

#interface range 1

#channel-group 1

7. Which ones are valid load balancing methods of EtherChannel technology?

Source computer, Destination computer

Source IP, Destination IP, Source MAC

Middle IP, Destination IP, Source MAC

Source Router, Destination Router

8. Which statement describes a characteristic of EtherChannel?

It can bundle mixed types of 10 Mbps and 100 Mbps Ethernet links

It can combine up to a maximum of 4 physical links

It can bundle mixed types of 100 Mbps and 1 Gbps Ethernet links

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

9. Is there any EtherChannel in this topology or not?

Yes

10. Can we use LACP on one side of the EtherChannel link and PAgP on the other side?

YES

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

Interface speed, duplex & vlan should match

vlans & SNMP strings should match

Only the switch port numbers must match

Only the Switch numbers must match

12. Which EtherChannel mode has been used in this configuration?

PAgP

LACP

Un-defined

13. EtherChannel is also called as PortChannel:

FALSE

TRUE

14. 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?

nw_SW2(config-if-range)# channel-group 1 mode desirable

nw_SW2(config-if-range)# channel-group 1 mode auto

nw_SW2(config-if-range)# channel-group 1 mode passive

nw_SW2(config-if-range)# channel-group 1 mode active

15. What is a best practice to use before beginning an EtherChannel implementation?

Assign affected interfaces to VLAN 1

Assign affected interfaces to an unused VLAN

Enable each of the affected interfaces

Shut down each of the affected interfaces

16. 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

17. EtherChannel can also be used for VLAN creations:

FALSE

TRUE

18. Which of these is a link aggregation protocol?

PAgP

STP

RSTP

MSTP

19. 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

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

Create additional broadcast domains by inserting a router between the switches

Increase the speed of the ports

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

Passive

Active

Auto

Desirable

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