Basic Device Configuration

Question 1

How do you change host name?

Answer 1

enable,
configure t,
hostname name

Question 2

how do you add a password to user EXEC mode?

Answer 2

enable,
configure t,
line console 0,
password cisco,
login,
end

Question 3

How do you add a password to privileged EXEC mode?

Answer 3

enable,
configure t,
enable secret class,
exit

Question 4

How do you add a password to VTY lines?

Answer 4

enable,
configure t,
line vty 0 15
password cisco,
login,
end

Question 5

What does Virtual Terminal(VTY) lines do?
How many can a switch support up to?

Answer 5

enable remote access using Telnet or SSH to the device. Many Cisco switches support up to 16 VTY lines that are numbered 0 to 15.

Question 6

How To encrypt all plaintext passwords, use theservice password-encryptionglobal config command?

Answer 6

enable,
configure t,
service password-encryption

Question 7

How can you verify that passwords are now encrypted?

Answer 7

end,
show running-config

Question 8

What are the two system files that store the device configuration?

Answer 8

Startup-config, and Running-config

Question 9

Which of the two system files save the configuration file in NVRAM?

startup-config or running-config?

Answer 9

Startup-config

Question 10

Which of the two system files the save configuration in Random Access Memory(RAM)?

Startup-config or Running-config?

Answer 10

Running-config

Question 11

Which EXEC mode can you use the command :
show running-config?

Answer 11

Privileged EXEC Mode

Question 12

How can you view the running or startup configuration?

Answer 12

show running-config, or show startup-config

Question 13

How do you save changes made to the running configuration to the startup configuration file?

Answer 13

copy running-config startup-config , or

copy runn start

Question 14

Which running-config privileged EXEC command, can let you go back to the last saved configuration if not saved yet?

Answer 14

reload command and after the reload is done, enter n or no to not save the changes. but it can take a while to reload the device

Question 15

Another way to go to the last saved startup-config is to clear all configurations. How do you do that?

Answer 15

erase startup-config in privileged EXEC mode command. After reloading the device remove the current running-config file from the RAM. On reload, a switch will load the default startup-config that initially shipped with the device

Question 16

Can you save the configuration to a file?

Answer 16

Yes, you can

Question 17

The structure of an IPv4 address is called ____ and is represented by four decimal numbers between__and ___.

Answer 17

dotted decimal notation, 0 and 255

Question 18

With the IPv4 address, a_______ is also necessary. An IPv4 subnet mask is a __-bit value that differentiates the network portion of the address from the host portion. Coupled with the IPv4 address, the subnet mask determines to which subnet the device is a member.

Answer 18

subnet mask,32-bit

Question 19

IPv6 addresses are ___ bits in length and are written as a string of hexadecimal values. Every four bits is represented by a single hexadecimal digit; for a total of 32 hexadecimal values. Groups of four hexadecimal digits are separated by a colon (:). IPv6 addresses are not case-sensitive and can be written in either lowercase or uppercase.

Answer 19

128

Question 20

IPv4 address information can be entered into end devices manually or automatically using ________.

Answer 20

Dynamic Host Configuration Protocol (DHCP).

Question 21

To access the switch remotely, an IP address and a subnet mask must be configured on the SVI. To configure an SVI on a switch, use theinterface vlan 1global configuration command.

How do you do that?

Answer 21

enable,
configure t,
interface vlan 1,
ip address 192.168.1.20 255.255.255.0,
no shutdown