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Exam Simulator: Ethernet LANs

Anastasia-Instructor September 2, 2022

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Match the four main types of memory found in Cisco switches with the most common use of each type.

Sort elements

RAM
Flash memory
ROM
NVRAM

Is used by the switch for working storage. The running (active) configuration file is stored here.

Stores fully functional Cisco IOS images and is the default location where the switch gets its Cisco IOS at boot time. Also can be used to store any other files, including backup copies of configuration files.

Stores a bootstrap program that is loaded when the switch first powers on. This bootstrap program then finds the full Cisco IOS image and manages the process of loading Cisco IOS into RAM, at which point Cisco IOS takes over the operation of the switch.

Stores the initial or startup configuration file that is used when the switch is first powered on and when the switch is reloaded.

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Question 7 of 19

7. Question
Type the command that lists the contents of the startup-config (initial config) file.
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Question 8 of 19

8. Question
Which of the following statements describes part of the process of how a switch decides to forward a frame destined for a known unicast MAC address?
- It compares the unicast destination address to the MAC address table.
- It compares the destination IP address to the destination MAC address.
- It forwards the frame out all interfaces in the same VLAN except for the incoming interface.
- It compares the frame’s incoming interface to the source MAC entry in the MAC address table.
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Question 9 of 19

9. Question
Switches use STP to prevent loops by causing some interfaces to block, meaning that they do not send or receive frames.
- True
- False
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Question 10 of 19

10. Question
You have been hired as a network engineer to troubleshot an enterprise network. Your project manager provided all the needed details to start troubleshooting the network. According to the provided information, the next step is to check the status of the interfaces.

Type the command to check the status of the interfaces.
- ExamsdigestSW1#
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Question 11 of 19

11. Question
Type the verification commands that match their purpose/description:
- Show all MAC table entries of all types:
  
  Show all dynamically learned MAC table entries:
  
  Shows all dynamically learned MAC table entries in VLAN 3:
  
  Show the global and per-VLAN aging timeout for inactive MAC table entries:
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Question 12 of 19

12. Question
A Layer 2 switch configuration places all its physical ports into VLAN 2. The IP addressing plan shows that address 175.28.1.150 (with mask 255.255.255.0) is reserved for use by this new LAN switch and that 175.28.1.254 is already configured on the router connected to that same VLAN. The switch needs to support SSH connections into the switch from any subnet in the network. Which of the following commands are part of the required configuration in this case? (Choose two answers.)
- The switch cannot support SSH because all its ports connect to VLAN 2, and the IP address must be configured on interface VLAN 1.
- The ip address 175.28.1.150 255.255.255.0 command in interface vlan 2 configuration mode.
- The ip default-gateway 175.28.1.254 command in global configuration mode.
- The ip address 172.16.2.250 255.255.255.0 command in interface vlan 1 configuration mode.
- The ip default-gateway 175.28.1.150 command in global configuration mode.
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Question 13 of 19

13. Question
Follow the steps below to configure the basic passwords for the Console, Telnet, and Enable.
- Step 1. Configure the enable password. The password should be examsdigest
  
  Examsdigest#
  Examsdigest(config)#
  
  Step 2. Configure the console password. The password should be examsdigest
  
  Examsdigest#(config)#
  Examsdigest#(config-line)#
  Examsdigest#(config-line)# login
  Examsdigest#(config-line)# exit
  
  Step 3. Configure the Telnet (vty) password for all 16 vty lines. The password should be examsdigest
  
  Examsdigest#(config)#
  Examsdigest#(config-line)#
  Examsdigest#(config-line)# login
  Examsdigest#(config-line)# end
  Examsdigest#
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Question 14 of 19

14. Question
You have been tasked to configure the IPv4 address on the switch only on the VLAN 1 following the details below.
- IP address: 199.255.240.100
- Subnet mask: 255.255.255.0
- Default gateway: 199.255.240.1
- !Configure the IPv4 address and the subnet mask here
  
  Examsdigest#
  
  Examsdigest(config)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)# no shutdown
  
  00:25:07: %LINK-3-UPDOWN: Interface Vlan1, changed state to up
  00:25:08: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
  
  Examsdigest(config-if)# exit
  
  !Configure the default gateway here
  
  Examsdigest(config)#
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Question 15 of 19

15. Question
Configure the interface VLAN 5 of the switch to learn the IP address with DHCP.
- Examsdigest#
  
  Enter configuration commands, one per line. End with CNTL/Z.
  
  Examsdigest(config)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)# ^Z
  
  Examsdigest#
  00:38:20: %LINK-3-UPDOWN: Interface Vlan1, changed state to up
  00:38:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
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Question 16 of 19

16. Question
The outputs below are used to verify the DHCP-Learned information on a switch on the Vlan 1. Your role is to type the commands that produce the following outputs.
- Examsdigest#
  Temp IP addr: 192.168.1.101 for peer on Interface: Vlan1 Temp sub net mask: 255.255.255.0
  DHCP Lease server: 192.168.1.1, state: 3 Bound
  DHCP transaction id: 1966
  Lease: 86400 secs, Renewal: 43200 secs, Rebind: 75600 secs
  Temp default-gateway addr: 192.168.1.1
  Next timer fires after: 11:59:45
  Retry count: 0 Client-ID: cisco-0023.e21b.4cc0-Vl1
  Hostname: Examsdigest
  
  Examsdigest#
  Vlan1 is up, line protocol is up
  Hardware is EtherSVI, address is 0023.e21b.4cc0 (bia 0023.e21b.4cc0)
  Internet address is 192.168.1.101/24
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
  reliability 255/255, txload 1/255, rxload 1/255
  ! lines omitted for brevity
Correct

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Question 17 of 19

17. Question
Configure the speed, duplex, and add a description on the Switch Examsdigest following the given configuration details.
- Interface = Fast Ethernet 0/1
- Duplex = full
- Speed = 100
- Description = Link to Printer on 1st floor
- Examsdigest#
  
  Enter configuration commands, one per line. End with CNTL/Z.
  
  Examsdigest(config)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)#
  
  Examsdigest(config-if)# exit
Correct

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Question 18 of 19

18. Question
In which of the following modes of the CLI could you configure the duplex setting for interface Fast Ethernet 0/2?
- Global configuration mode
- Enable mode
- Interface configuration mode
- VLAN mode
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Question 19 of 19

19. Question
The senior network engineer assigned you the following tasks. You are responsible to type next to each task the command that produces the corresponding result:
- Create and store the keys required by SSH:
  
  Configure the switch as a DHCP client to discover its IPv4 address, mask, and default gateway:
  
  Configure the switch’s default gateway IPv4 address to 192.155.2.1:
  
  List the currently used configuration:
  
  List the commands in the current history buffer:
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Exam Simulator: Ethernet LANs

Anastasia-Instructor September 2, 2022

Quiz Summary

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1. Question

Type the command that copies the configuration from RAM into NVRAM

2. Question

Which of the following type of memory is used to store the configuration used by the switch when it is up and running?

3. Question

Type the command that gets you from user mode to enable mode.

Press RETURN to get started.

User Access Verification Password: Examsdigest> Password: Examsdigest#

4. Question

Type the configuration command that defines the password that all users must use to reach enable mode. The password should be “examsdigest” and should be encrypted.

5. Question

Type the required commands by following the steps below:

!Step 1: Move from enable mode to global configuration mode Switch#

!Step 2: Change the switch’s name to Examsdigest Switch(config)#

!Step 3: Move from global configuration mode to console line configuration mode Examsdigest(config)#

!Step 4: Set the console’s simple password to examsdigest Examsdigest(config-line)#

!Step 5: Move from console configuration mode to FastEthernet 0/3 interface configuration mode Examsdigest(config-line)#

!Step 6: Set the speed to 100 Mbps for interface FastEthernet 0/3 Examsdigest(config-if)#

Examsdigest(config-if)# exit

Examsdigest(config)#

6. Question

Match the four main types of memory found in Cisco switches with the most common use of each type.

Sort elements

7. Question

Type the command that lists the contents of the startup-config (initial config) file.

8. Question

Which of the following statements describes part of the process of how a switch decides to forward a frame destined for a known unicast MAC address?

9. Question

Switches use STP to prevent loops by causing some interfaces to block, meaning that they do not send or receive frames.

10. Question

You have been hired as a network engineer to troubleshot an enterprise network. Your project manager provided all the needed details to start troubleshooting the network. According to the provided information, the next step is to check the status of the interfaces.

Type the command to check the status of the interfaces.

ExamsdigestSW1#

11. Question

Type the verification commands that match their purpose/description:

Show all MAC table entries of all types:

Show all dynamically learned MAC table entries:

Shows all dynamically learned MAC table entries in VLAN 3:

Show the global and per-VLAN aging timeout for inactive MAC table entries:

12. Question

13. Question

Follow the steps below to configure the basic passwords for the Console, Telnet, and Enable.

Step 1. Configure the enable password. The password should be examsdigest

Examsdigest# Examsdigest(config)#

Step 2. Configure the console password. The password should be examsdigest

Examsdigest#(config)# Examsdigest#(config-line)# Examsdigest#(config-line)# login Examsdigest#(config-line)# exit

Step 3. Configure the Telnet (vty) password for all 16 vty lines. The password should be examsdigest

Examsdigest#(config)# Examsdigest#(config-line)# Examsdigest#(config-line)# login Examsdigest#(config-line)# end Examsdigest#

14. Question

You have been tasked to configure the IPv4 address on the switch only on the VLAN 1 following the details below.

!Configure the IPv4 address and the subnet mask here

Examsdigest#

Examsdigest(config)#

Examsdigest(config-if)#

Examsdigest(config-if)# no shutdown

00:25:07: %LINK-3-UPDOWN: Interface Vlan1, changed state to up 00:25:08: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

Examsdigest(config-if)# exit

!Configure the default gateway here

Examsdigest(config)#

15. Question

Configure the interface VLAN 5 of the switch to learn the IP address with DHCP.

Examsdigest#

Enter configuration commands, one per line. End with CNTL/Z.

Examsdigest(config)#

Examsdigest(config-if)#

Examsdigest(config-if)#

Examsdigest(config-if)# ^Z

Examsdigest# 00:38:20: %LINK-3-UPDOWN: Interface Vlan1, changed state to up 00:38:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

16. Question

The outputs below are used to verify the DHCP-Learned information on a switch on the Vlan 1. Your role is to type the commands that produce the following outputs.

Examsdigest# Vlan1 is up, line protocol is up Hardware is EtherSVI, address is 0023.e21b.4cc0 (bia 0023.e21b.4cc0) Internet address is 192.168.1.101/24 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 ! lines omitted for brevity

17. Question

Configure the speed, duplex, and add a description on the Switch Examsdigest following the given configuration details.

User Access Verification
Password:
Examsdigest>
Password:
Examsdigest#

!Step 1: Move from enable mode to global configuration mode
Switch#

!Step 2: Change the switch’s name to Examsdigest
Switch(config)#

!Step 3: Move from global configuration mode to console line configuration mode
Examsdigest(config)#

!Step 4: Set the console’s simple password to examsdigest
Examsdigest(config-line)#

!Step 5: Move from console configuration mode to FastEthernet 0/3 interface configuration mode
Examsdigest(config-line)#

!Step 6: Set the speed to 100 Mbps for interface FastEthernet 0/3
Examsdigest(config-if)#

Examsdigest#
Examsdigest(config)#

Examsdigest#(config)#
Examsdigest#(config-line)#
Examsdigest#(config-line)# login
Examsdigest#(config-line)# exit

Examsdigest#(config)#
Examsdigest#(config-line)#
Examsdigest#(config-line)# login
Examsdigest#(config-line)# end
Examsdigest#

00:25:07: %LINK-3-UPDOWN: Interface Vlan1, changed state to up
00:25:08: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

Examsdigest#
00:38:20: %LINK-3-UPDOWN: Interface Vlan1, changed state to up
00:38:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

Examsdigest#
Vlan1 is up, line protocol is up
Hardware is EtherSVI, address is 0023.e21b.4cc0 (bia 0023.e21b.4cc0)
Internet address is 192.168.1.101/24
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
! lines omitted for brevity