CCNA 1 Chapter 2 Exam Answers

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Exam Chapter 2 Questions and Answers CCNA 1 V6.0

Which interface allows remote management of a Layer 2 switch?

In a Layer 2 switch, there is a switch virtual interface (SVI) that provides a means for remotely managing the device.

An administrator is configuring a switch console port with a password. In what order will the administrator travel through the IOS modes of operation in order to reach the mode in which the configuration commands will be entered? (Not all options are used.)

Why is it important to configure a hostname on a device?

It is important to configure a hostname because various authentication processes use the device hostname. Hostnames are helpful for documentation, and they identify the device during remote access.

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

The technician does not want to make any mistakes trying to remove all the changes that were done to the running configuration file. The solution is to reboot the router without saving the running configuration. The copy startup-config running-config command does not overwrite the running configuration file with the configuration file stored in NVRAM, but rather it just has an additive effect.

Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)

Vlan1 is the default SVI. Because an SVI has been configured, the switch can be configured and managed remotely. FastEthernet0/0 is showing up and up, so a device is connected.

A technician is adding a new PC to a LAN. After unpacking the components and making all the connections, the technician starts the PC. After the OS loads, the technician opens a browser, and verifies that the PC can reach the Internet. Why was the PC able to connect to the network with no additional configuration?

The new PC was preconfigured to use DHCP. When the PC is connected to a network that uses DHCP, it gets the IP address settings from the DHCP server that will allow it to function on the network. All devices require at least an IP address and subnet mask to function on a LAN. DNS does not automatically configure addresses on hosts. PC virtual interfaces are not universally compatible with LANs and do not necessarily provide a host with an IP address. At this place in the course, virtual interfaces are used on network switches.

Refer to the exhibit. A network administrator is configuring the MOTD on switch SW1. What is the purpose of this command?

A banner message can be an important part of the legal process in the event that someone is prosecuted for breaking into a device. A banner message should make it clear that only authorized personnel should attempt to access the device. However, the banner command does not prevent unauthorized entry.

Refer to the exhibit. A network technician is testing connectivity in a new network. Based on the test results shown in the exhibit, which device does the technician have connectivity with and which device does the technician not have connectivity with? (Choose two.)

The exhibit shows ping tests to two devices. One device has the IP address of, which is switch 2. The other test is to the IP address of, which is host PC-C. For the first test, to switch 2, the results are successful, with four reply messages received. This means that connectivity exists to switch 2. For the second test, all four messages timed out. This indicates that connectivity does not exist to PC-C.

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

To be truly private a technician would use a Console connection however if remote management is required SSH provides a secure method.

What is the function of the kernel of an operating software?

Operating systems function with a shell, a kernel, and the hardware. The shell interfaces with the users, allowing them to request specific tasks from the device. The kernel provisions resources from the hardware to meet software requirements. The hardware functions by using drivers and their underlying electronics. The hardware represents the physical components of the device.


What is a user trying to determine when issuing a ping command on a PC?

The ping destination command can be used to test connectivity.

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

Context-sensitive help provides the user with a list of commands and the arguments associated with those commands within the current mode of a networking device. A syntax checker provides error checks on submitted commands and the TAB key can be used for command completion if a partial command is entered.

Which statement is true about the running configuration file in a Cisco IOS device?

As soon as configuration commands are entered into a router, they modify the device immediately. Running configuration files can not be deleted nor are they saved automatically.

How does the service password-encryption command enhance password security on Cisco routers and switches?

The service password-encryption command encrypts plaintext passwords in the configuration file so that they cannot be viewed by unauthorized users.

A router has a valid operating system and a configuration file stored in NVRAM. The configuration file contains an enable secret password but no console password. When the router boots up, which mode will display?

If a Cisco IOS device has a valid IOS and a valid configuration file, it will boot into user EXEC mode. A password will be required to enter privileged EXEC mode.

Which command or key combination allows a user to return to the previous level in the command hierarchy?

End and CTRL-Z return the user to the privileged EXEC mode. Ctrl-C ends a command in process. The exit command returns the user to the previous level.

Which interface is the default SVI on a Cisco switch?

An SVI is a virtual interface and VLAN 1 is enabled by default on Cisco switches. VLAN 99 must be configured to be used. FastEthernet 0/1 and GigabitEthernet 0/1 are physical interfaces.

Which information does the show startup-config command display?

The show startup-config command displays the saved configuration located in NVRAM. The show running-config command displays the contents of the currently running configuration file located in RAM.​

Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?

Telnet and SSH require active networking services to be configured on a Cisco device before they become functional. Cisco switches do not contain AUX ports.

Why would a Layer 2 switch need an IP address?

A switch, as a Layer 2 device, does not need an IP address to transmit frames to attached devices. However, when a switch is accessed remotely through the network, it must have a Layer 3 address. The IP address must be applied to a virtual interface rather than to a physical interface. Routers, not switches, function as default gateways.


What command can be used on a Windows PC to see the IP configuration of that computer?

On a Windows PC, the ipconfig command can be used to verify the current IP configuration. The ping command can be used to verify connectivity to other network devices. The show interfaces and show ip interface brief commands are both Cisco IOS commands that are used to see the status of router and switch interfaces.

Match the definitions to their respective CLI hot keys and shortcuts. (Not all options are used.)

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

Some guidelines for naming conventions are that names should:
Start with a letter
Contain no spaces
End with a letter or digit
Use only letters, digits, and dashes
Be less than 64 characters in length

What are two characteristics of RAM on a Cisco device? (Choose two.)

RAM stores data that is used by the device to support network operations. The running configuration is stored in RAM. This type of memory is considered volatile memory because data is lost during a power cycle. Flash memory stores the IOS and delivers a copy of the IOS into RAM when a device is powered on. Flash memory is nonvolatile since it retains stored contents during a loss of power.

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