Chapter 7 - Installing and Operating Cisco LAN Switches

Question 1

What are 3 different ways of accessing the CLI on a switch?

Answer 1

Console port, telnet, and SSH

Question 2

What are 3 different ways you can connect to a console port on a switch?

Answer 2

1) Serial port on the PC using a rollover cable connecting to the RJ-45 Console port on the switch.
2) USB port on the PC using a USB cable connected to a USB Converter connected to a rollover cable connecting to the RJ-45 Console port on the switch.
3) USB port on the PC using a USB cable connecting to the USB console port on the switch.

Question 3

When using an emulator to connect to the switch, what are the default console port settings that should be configured on the emulator? (5 different settings.)

Answer 3

9600 bits/second
No hardware flow control
8-bit ASCII
No parity bits
1 stop bit

Question 4

What 3 different modes does the Mode button on a switch cycle through?

Answer 4

Stat (Status), Duplx (Duplex) and Speed

Question 5

What are the 3 states of a SYST LED light on most 2960 Cisco models?

Answer 5

1) Off - The switch is not powered on.
2) On (green) The switch is powered on and operational
3) On (amber) The system has power, but is not functioning properly.

Question 6

Which CLI access mode allows the user to look around but not break anything?

Answer 6

user EXEC mode

Question 7

Which CLI access mode is also known as enable mode?

Answer 7

Privileged mode

Question 8

Which CLI key sequence interrupts the current command?

Answer 8

Ctrl-Shift-6

Question 9

Which Cisco IOS command shows the current CPU utilization of the switch?

Answer 9

show process

Question 10

Which mode accepts configuration commands - commands that tell the switch the details of what to do and how to do it?

Answer 10

Configuration mode

Question 11

What are 4 main types of memory found in Cisco switches?

Answer 11

1) RAM
2) Flash
3) ROM
4) NVRAM

Question 12

What type of memory in a Cisco switch is working memory and has the running configuration of the device?

Answer 12

RAM

Question 13

What type of memory holds the Cisco IOS Software?

Answer 13

Flash

Question 14

What type of memory contains the bootstrap program?

Answer 14

ROM

Question 15

What type of memory contains the startup config?

Answer 15

NVRAM

Question 16

What are the 2 main Cisco IOS configuration files called?

Answer 16

1) Startup config

2) Running config

Question 17

What’s the purpose of the startup config?

Answer 17

Stores the initial configuration used anytime the switch reloads Cisco IOS.

Question 18

What’s the purpose of the running config?

Answer 18

Stores the currently used configuration commands. This file changes dynamically when someone enters commands in configuration mode.

Question 19

What command would you enter to copy the running configuration to the startup configuration?

Answer 19

copy running-config startup-config

Question 20

What happens when the copy command is used to copy a configuration file to RAM?

Answer 20

The configuration file in RAM is not replaced, but is merged instead.

Question 21

What mode leads a switch administrator by asking questions that prompt the administrator for basic configuration parameters?

Answer 21

Setup mode

Question 22

Which IOS commands shows information like the IOS version, time since last reload, and the switch model number?

Answer 22

show version

Question 23

What are 3 different commands that will erase the contents of NVRAM?

Answer 23

1) write erase
2) erase startup-config
3) erase nvram: