Day 06 Flashcards - Ethernet LAN Switching (Part 2)

Question 1

Clear all dynamic MAC addresses from the MAC Address Table:
SW1# […]

Answer 1

clear mac address-table dynamic

Question 2

Clear all dynamic MAC addresses on a specific interface from the MAC Address Table:
SW1# […]

Answer 2

clear mac address-table dynamic interface interface-id

Question 3

Clear all entries for a specific dynamic MAC address from the MAC Address Table:
SW1# […]

Answer 3

clear mac address-table dynamic address mac-address

Question 4

Command to show the ARP table on a Cisco device:

Answer 4

show arp

Question 5

The ARP Reply message is […]cast.

Answer 5

uni

Question 6

The ARP Request message is […]cast.

Answer 6

broad

Question 7

The process of addresses being cleared from the MAC address table after 5 minutes of inactivity is known as […]

Answer 7

aging

Question 8

View the MAC Address Table:
SW1# […]

Answer 8

show mac address-table

Question 9

What is the broadcast MAC address?

Answer 9

FFFF.FFFF.FFFF

Question 10

What is the command to view the ARP table on a Windows, macOS, or Linux computer?

Answer 10

arp -a

Question 11

What is the Ethernet Type code for an ARP packet?

Answer 11

0x0806

Question 12

What is the minimum size of an Ethernet frame? (Header + Payload + Trailer)

Answer 12

64 bytes

Question 13

What is the minimum size of an Ethernet payload?

Answer 13

46 bytes

Question 14

What is the size of the Ethernet header + trailer? (no Preamble + SFD)

Answer 14

18 bytes

Question 15

What protocol is used to discover the Layer 2 address of another device?

Answer 15

ARP (Address Resolution Protocol)

Question 16

What two messages are used in ARP?

Answer 16

ARP Request
ARP Reply

Question 17

What two messages are used in ping?

Answer 17

ICMP Echo Request
ICMP Echo Reply