SSH

Question 1

Limit SSH connections to SSHv2 only:
R1(config)# […]

Answer 1

ip ssh version 2

Question 2

When crypto key generate rsa is used, how are the keys named?

Answer 2

The FQDN is used as the name

Question 3

What makes up the FQDN of a device?

Answer 3

hostname.domainname

Question 4

What does FQDN stand for?

Answer 4

Fully Qualified Domain Name

Question 5

[…] IOS images do not support cryptographic features like SSH.

Answer 5

NPE (No Payload Encryption)

Question 6

[…] IOS images support SSH.

Answer 6

K9

Question 7

Show information about the current SSH configuration:
R1# […]

Answer 7

show ip ssh

Question 8

Show information about the IOS version of the device:
R1# […]

Answer 8

show version

Question 9

A device that supports both SSHv1 and SSHv2 is said to run version […]

Answer 9

1.99

Question 10

Generate an RSA key pair:
R1(config)# […]

Answer 10

crypto key generate rsa

Question 11

Apply an ACL for connections to the VTY lines:
R1(config-line)# […]

Answer 11

access-class acl in

Question 12

Configure the protocols that can be used to connect via the VTY lines:
R1(config-line)# […]

Answer 12

transport input [protocols | all | none]

Question 13

Configure the exec timeout:
R1(config-line)# […]

Answer 13

exec-timeout minutes seconds

Question 14

Access all VTY lines:
R1(config)# […]

Answer 14

line vty 0 15

Question 15

Configure the switch’s default gateway:
SW1(config)# […]

Answer 15

ip default-gateway ip-address

Question 16

By default, is a password required to access the CLI via the console port?

Answer 16

No

Question 17

Configure local line authentication:
R1(config-line)# […]

Answer 17

login local

Question 18

Configure the router to authenticate using the configured line password:
R1(config-line)# […]

Answer 18

login

Question 19

Configure a line password:
R1(config-line)# […]

Answer 19

password password

Question 20

Enter console line configuration mode:
R1(config)# […]

Answer 20

line console 0