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Cisco ICND 2 > Section 3 > Flashcards

Section 3 Flashcards

1
Q

Who was EtherChannel developed by?

A

Cisco

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2
Q

What is EtherChannel?

A

The logical aggregation of multiple Ethernet interfaces used to form a single higher bandwidth routing or bridging endpoint.

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3
Q

What is Fast Ethernet?

A

A number of 100 Mbps Ethernet specifications.

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4
Q

What is the Fast Ethernet specification?

A

100Base-T

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5
Q

Fast Ethernet is an extension of what standard?

A

IEEE 802.3

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6
Q

What standard is Gigabit Ethernet?

A

802.3z

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7
Q

What are some of the advantages of EtherChannel?

A
  1. Logical aggregation of links between switches
  2. Increased bandwidth
  3. Load sharing across links
  4. STP views the EtherChannel as one logical port
  5. Provides redundancy
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8
Q

How many total devices can connect per Ether Channel?

A

Two

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9
Q

What kind of devices can form EtherChannel connections?

A

Switches, routers, and servers

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10
Q

How many physical ports can be used in an EtherChannel?

A

2 - 8 ports

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11
Q

Can ports of differing types be used in an EtherChannel?

A

No (Fast Ethernet and Gigabit Ethernet ports cannot be combined)

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12
Q

What two protocols can be used for EtherChannel creation and maintenance?

A

PAgP and LACP

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13
Q

Which EtherChannel protocol is Cisco proprietary?

A

PAgP

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14
Q

Which EtherChannel protocol is standardized?

A

LACP

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15
Q

Which standard specifies LACP?

A

IEEE 802.3ad

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16
Q

Are PAgP and LACP required to configure an EtherChannel?

A

No. Static EtherChannels can be configured

17
Q

What does PAgP stand for?

A

Port Aggregation Protocol

18
Q

What does LACP stand for?

A

Link Aggregation Control Protocol

19
Q

What two PAgP modes can be specified for EtherChannel negotiation?

A

Desirable and Auto

20
Q

What two LACP modes can be specified for EtherChannel negotiation?

A

Active and Passive

21
Q

Which PAgP and LACP modes actively ask if the other side can form an EtherChannel?

A

Dynamic (PAgP) and Active (LACP)

22
Q

Which PAgP and LACP modes passively wait for the other side to attempt to form an Etherchannel?

A

Auto (PAgP) and Passive (LACP)

23
Q

How many IP address classes are there? What are they?

A

Five. A, B, C, D, E.

24
Q

What is used to extract network information from an IP address?

A

A Subnet Mask

25
Q

What is a new way of representing subnet masks?

A

CIDR notation

26
Q

What must match on all EtherChannel interfaces?

A

The configuration.

  • Speed and duplex
  • Mode (trunk or access)
  • Native and allowed VLANs
  • Access VLAN
27
Q

Where can EtherChannel interfaces be configured in order to apply changes to all interfaces within the EtherChannel?

A

At the port-channel configuration level

28
Q

What command is used to select a range of interfaces to configure?

A

interface range

29
Q

What command creates a port channel (if necessary) and adds the specified interface to the port channel?

A

channel-group mode

30
Q

What command can you use to display the general status of an EtherChannel interface?

A

show interface port-channel

31
Q

What command shows a one line summary of all port channels on the switch?

A

show etherchannel summary

32
Q

What command displays details about each port-channel interface?

A

show etherchannel port-channel

Cisco ICND 2 (4 decks)

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