IT-341 Module-15 Chapter-6: EtherChannel (Cisco)

Which are benefits of EtherChannel technology? (Choose all that apply.)

a. Fault-tolerance

b. Load sharing

c. Increased bandwidth

d. Link redundancy

a. Fault-tolerance

b. Load sharing

c. Increased bandwidth

d. Link redundancy

True or False? FastEthernet and GigabitEthernet links can be combined into a single EtherChannel.

True

False

False

True or False? PAgP and LACP are both Cisco-proprietary link aggregation protocols.

True

False

False

Which three are PAgP interface modes? (Choose three.)

a. On

b. Auto

c. Active

d. Passive

e. Desirable

a. On

b. Auto

e. Desirable

Which PAgP interface mode will initiate negotiation with other interfaces?

a. On

b. Desirable

c. Auto

b. Desirable

Which combinations of PAgP modes will form an EtherChannel? (Choose all that apply.)

a. Auto > desirable

b. Desirable > on

c. Auto > on

d. On > on

e. On > active

f. Active > passive

a. Auto > desirable

d. On > on

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. S1-on and S2-passive

b. S1-passive and S2-passive​

c. S1-on and S2-active​

d. S1-passive and S2-active

d. S1-passive and S2-active

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

a. Active

b. Auto

c. Desirable

d. Passive

c. Desirable

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

a. Allowed VLANs

b. EtherChannel mode

c. Native VLAN

d. PortFast mode

e. Spanning-tree state

f. Trunking mode

a. Allowed VLANs

c. Native VLAN

f. Trunking mode

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

a. EtherChannel uses multiple logical links to provide redundancy.

b. Configuration tasks can be done on the EtherChannel interface.

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

d. Load balancing is not needed with EtherChannel.

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

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

b. Configuration tasks can be done on the EtherChannel interface.

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

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

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?

a. The EtherChannel link fails.

b. An STP recalculation is needed.

c. The EtherChannel stops transmitting data until it is restarted.

d. The EtherChannel continues transmitting data with reduced bandwidth.

d. The EtherChannel continues transmitting data with reduced bandwidth.

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

a. Interface range

b. Loopback

c. VLAN interface

d. Port channel

d. Port channel

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. Active

b. Auto

c. Desirable

d. Passive

b. Auto

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

a. Destination MAC to destination IP

b. Destination IP to destination MAC

c. Source MAC to destination MAC

d. Source IP to destination IP

e. Destination MAC to source MAC

f. Destination IP to source IP

c. Source MAC to destination MAC

d. Source IP to destination IP

Which function is provided by EtherChannel?

a. Spreading traffic across multiple physical WAN links

b. Dividing the bandwidth of a single link into separate time slots

c. Enabling traffic from multiple VLANs to travel over a single Layer 2 link

d. Creating one logical link by using multiple physical links between two LAN switches

d. Creating one logical link by using multiple physical links between two LAN switches

Which statement is true about EtherChannel technology?

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

b. EtherChannel uses existing switch ports.

c. Links must be upgraded to support EtherChannel.

d. STP does not run on redundant EtherChannel links.

b. EtherChannel uses existing switch ports.

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

a. Active; passive

b. Passive; auto

c. Desirable; active

d. Auto; auto

e. Desirable; desirable

f. Active; on

a. Active; passive

e. Desirable; desirable

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

a. 802.3ad

b. PAgP

c. STP

d. EtherChannel

e. RSTP

a. 802.3ad

b. PAgP

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

a. Active

b. Auto

c. Desirable

d. Passive

a. Active

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?

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

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

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

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

e. The EtherChannel will fail.

e. The EtherChannel will fail.

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?

a. Active

b. Auto

c. Desirable

d. Passive

d. Passive