Chapter 6 Configuring Basic Switch Management

Question 1

The work performed by a networking device can be divided into three broad categories what are these.

Answer 1

The data plane is the work a switch does to Ford frames generated by the devices connected to the switch

the control plan refers to the configuration and processes that control and change the choices made by the switches data plane

the management plane deals with managing the devices itself rather than controlling with the devices doing

Question 2

by default a Cisco catalyst switch allows anyone to connect to the console Port access user mode and move on to enable mode and configuration mode true or false

Answer 2

True

Question 3

What’s the difference between a simple password and a secret password in CLI IOS

Answer 3

A simple password can be seen in clear text when you use the command to show the running configuration

A secret password is encrypted.

Question 4

What are VTY lines for

Answer 4

They are virtual lines used for configuring access for out-of-band management for example telnet and SSH

Question 5

What types of login options do you have when configuring it for a switch

Answer 5

You can log in with locally created login accounts on a switch or you can use an external authentication server. (AAA)

Question 6

AAA

Answer 6

Authentication authorization and accounting server. the servers hold usernames and passwords typically these servers allow users to do self-service enforcements to their passwords.

Question 7

What are two configurations that are required for SSH but aren’t required for telnet

Answer 7

IP domain name

And the generation of a crypto key RSA

Question 8

What is the smallest size crypto key that can be generated to support SSH version 2

Answer 8

768-bit

Question 9

CLI

Line console 0

Answer 9

Changes the context to console configuration mode

Question 10

CLI

Line vty 0 15

Answer 10

Changes the context of vty configuration mode for the range of vty lines listed in the command

Question 11

CLI

Login

Answer 11

Console and vty configuration mode tells iOS to prompt for a password

Question 12

CLI

Login local

Answer 12

Council on vty configuration mode. tells iOS to prompt for a username and password, to be checked against locally configured username globe will configuration commands on the switcher router.

Question 13

CLI

Username (name) secret ( password)

Answer 13

Global command defines one of the possibly multiple usernames and associated with passwords, used for authentication. Used when the login local line config command has been used .

Question 14

CLI

Crypto key generate rsa

Answer 14

Global command . Creates and stores (in a hidden location in flash memory) the keys required for SSH

Question 15

CLI

Transport input (transport, ssh, all, or none)

Answer 15

Vty line config mode. Defines whether telnet/ssh access is allowed on the switch.

Question 16

CLI

Interface vlan (number)

Answer 16

Changes the context to VLAN interface mode. For VLAN 1 it allows you to configure an IP address for overhead traffic/management.

Question 17

CLI

Ip address (ip value) (sub net mask)

Answer 17

VLAN interface mode. Statically configures the switches IP address and Mask.

Question 18

CLI

Ip address dhcp

Answer 18

VLAN interface mode. Configures the switch as a DHCP client to discover its ipv4 address, mass, and default gateway.

Question 19

CLI

Ip default gateway

Answer 19

Global command. This configures the switches default gateway ipv4 address. Not required if the switch is using DHCP.

Question 20

CLI

Ip name-server (dns server ip)

Answer 20

Global command. configures the ipv4 addresses of DNS servers, so any commands when logged into the switch will use the DNS for name resolution.

Question 21

CLI

enable secret (pass value)

Answer 21

Global command. Sets the switches password that is required for any user to reach enable mode or privilege mode.

Question 22

CLI

history size (length)

Answer 22

Line config mode. defines the number of commands held in the history buffer, for later recall, for users of those lines.

Question 23

CLI

Logging synchronous

Answer 23

console or vty mode. Tells iOS to send log messages to users at natural break points between commands rather than in the middle of a line of input.

Question 24

CLI

[no] logging console

Answer 24

Global command that disables or enables the display of messages to the console.

Question 25

CLI

exec-timeout (minutes seconds)

Answer 25

console or vty mode. Sets the inactivity timeout, so that after the defined period of no action, iOS closes the current user login session.

Question 26

CLI

Show DHCP lease

Answer 26

list any information to switch acquires as a DHCP client. This includes IP address, subnet mask, and default gateway information.