Topic 2

Question 2

What are three ways a user can access the Cisco IOS?

Answer 2

Console, Secure shell, Telnet.

Question 3

Describe briefly the User EXEC Mode.

Answer 3

Allows access to only limited number of basic monitoring commands.

Question 4

Describe briefly the Privileged EXEC Mode.

Answer 4

Allows access to all commands and features.

Question 5

What is Line Configuration Mode used for?

Answer 5

Used to configure console, SSH, Telnet or AUX access.

Question 6

What is Interface Configuration Mode used for?

Answer 6

Used to configure a switch port or router interface.

Question 7

What command moves from User EXEC mode to Privileged EXEC mode?

Answer 7

enable.

Question 8

What command moves from Privileged EXEC mode to User EXEC mode?

Answer 8

disable.

Question 9

What command is used to enter global configuration mode?

Answer 9

configure terminal.

Question 10

What command is used to exit global configuration mode?

Answer 10

end.

Question 11

What command is used to exit line configuration mode?

Answer 11

exit.

Question 12

What does Context Sensitive help provide?

Answer 12

Enables us to quickly find answers to the questions.

Question 13

What does the Space HOT key do?

Answer 13

Displays the next screen.

Question 14

What does the Enter HOT key do?

Answer 14

Displays the next line.

Question 15

What does the Tab HOT key do?

Answer 15

Completes a partial command name entry.

Question 16

What does the Up HOT key do?

Answer 16

Recalls the commands in the history buffer.

Question 17

What does the Ctrl-Shift-6 HOT key do?

Answer 17

All purpose break sequence used to abort DNS lookups, traceroutes, ping, etc.

Question 18

What does the ? HOT key do?

Answer 18

Ends the display string, returning to privileged EXEC mode.

Question 19

List the three device accesses that should be secured with passwords.

Answer 19

• User EXEC Mode
• Privileged EXEC Mode
• VTY line access.

Question 20

What does the command service password-encryption do?

Answer 20

Encrypts all plaintext passwords.

Question 21

What is the purpose of the show running-config command?

Answer 21

Used to verify that the passwords on the device are encrypted.

Question 22

What is Startup-Config?

Answer 22

This is the saved configuration file that is stored in NVRAM.

Question 23

What is Running-Config?

Answer 23

This is stored in RAM and reflects the current configuration.

Question 24

What command is used to save the running configuration file onto NVRAM?

Answer 24

copy running-config startup-config.

Question 25

What does the reload command do?

Answer 25

It causes the device to briefly go offline, leading to network downtime.

Question 26

What is the purpose of IP addresses?

Answer 26

Enables devices to locate one another and establish end-to-end communication on the internet.

Question 27

What is the structure of IP called?

Answer 27

Dotted decimal.

Question 28

How is the structure of IP represented?

Answer 28

By 4 decimal numbers between 0 and 255.

Question 29

Define the IPv4 mask.

Answer 29

A 32-bit that differentiates the network portion of the address from the host portion.

Question 30

What is the purpose of the subnet mask?

Answer 30

Determines to which subnet the device is a member.

Question 31

Define the default gateway address.

Answer 31

The IP address of the router that the host will use to access remote networks.

Question 32

What is the purpose of DHCP?

Answer 32

Enables automatic IPV4 addresses configuration for every end device that is DHCP-enabled.

Question 33

What is the purpose of configuring an IP Address and a subnet mask on SVI (VLAN on a Switch)?

Answer 33

To access the switch remotely.

Question 34

What command is used to verify the end-to-end connectivity?

Answer 34

Ping.