Network Interfaces, Part 1 - Interface naming and logical units.

Question 1

‘PIC’ is the acronym for?

Answer 1

1. Physical interface Card

Question 2

‘FPC’ is the acronym for?

Answer 2

1. Flexible PIC Concentrator

Question 3

What is the format of an interfnace name

Answer 3

1. (ge/xe/et - normally speed)-(FPC)/(PIC)/(PORT)
   a. example: ge-0/1/2

Question 4

What is the default layer 3 MTU size in bytes?

Answer 4

1. 1500 bytes

Question 5

What is the default layer 2 MTU without vlan tags?

Answer 5

1. 1514 bytes

Question 6

What is the default layer 2 MTU size with vlan tags?

Answer 6

1. 1518 bytes (Vlan tag is 4 bytes long)

Question 7

The ‘show interface’ command has 4 levels of detail. List them from least to most?

Answer 7

1. Terse
2. Brief
3. Detail
4. Extensive

Question 8

Some vendors describe their logical units as?

Answer 8

1. Subinterfaces.

Question 9

What type of properties are configured on a physical interface?

Answer 9

1. Physical or layer 2 MTU
2. Speed
3. Duplex

Question 10

What type of properties are configure on a logical interface?

Answer 10

1. Layer 3 MTU
2. IP addresses
3. VLAN TAGS

Question 11

In the ‘show interfaces terse’ command, the ‘Admin’ column displays?

Answer 11

1. Whether the interface has been shut down through configuration.

Question 12

In the ‘show interfaces terse’ command, the link columns displays?

Answer 12

1. If there is a live cable plugged into the interface

Question 13

Which command will display interfaces with their description?

Answer 13

1. op mode - show interfaces descriptions