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. Which statement describes a characteristic of EtherChannel?

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

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

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

It can combine up to a maximum of 4 physical links

2. 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 eliminates the need for the spanning tree protocol

It allows the use of multi-vendor devices

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

It requires more physical links than LACP

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

It is Cisco Proprietary

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

Assign affected interfaces to VLAN 1

Enable each of the affected interfaces

Assign affected interfaces to an unused VLAN

Shut down each of the affected interfaces

5. Which PAgP mode combination will establish an EtherChannel?

Switch 1 set to desirable; Switch 2 set to desirable

Switch 1 set to auto; Switch 2 set to auto

Switch 1 set to auto; Switch 2 set to on

Switch 1 set to on; Switch 2 set to desirable

6. 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 passive

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

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

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

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

vlans & SNMP strings should match

Only the Switch numbers must match

Only the switch port numbers must match

Interface speed, duplex & vlan should match

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

EtherChannel shutdowns the unused interfaces in the bundle to avoid loops

Load balancing is not needed with EtherChannel

EtherChannel supports fiber links

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

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

YES

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

Source computer, Destination computer

Middle IP, Destination IP, Source MAC

Source Router, Destination Router

Source IP, Destination IP, Source MAC

11. Which statement is true about EtherChannel?

PAgP can be used with LACP at the same EtherChannel bundle

EtherChannel can support up to a maximum of ten separate links

‘D’ means that an EtherChannel is Up & working

‘U’ means that an EtherChannel is Up & working

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

Passive

Auto

Desirable

Active

13. Which of these is a link aggregation protocol?

MSTP

PAgP

STP

RSTP

14. EtherChannel can also be used for VLAN creations:

FALSE

TRUE

15. EtherChannel is also called as PortChannel:

FALSE

TRUE

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

Yes

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

Un-defined

LACP

PAgP

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

Create additional broadcast domains by inserting a router between the switches

Increase the speed of the ports

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

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

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

Auto

Active

Desirable

Passive

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

#interface 1

#interface range 1

#interface port-channel 1

#channel-group 1

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