CCNA Chapter 2
Which command or key combination allows a user to return to the previous level in the command hierarchy?
exit
Which information does the show startup-config command display?
the contents of the saved configuration file in the NVRAM
Which interface allows remote management of a Layer 2 switch?
the switch virtual interface
Why would a Layer 2 switch need an IP address?
to enable the switch to be managed remotely
Why is it important to configure a hostname on a device?
to identify the device during remote access (SSH or telnet)
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?
user EXEC mode
A router has a valid operating system and a configuration stored in NVRAM. When the router boots up, which mode will display?
user EXEC mode
Match the definitions to their respective CLI hot keys and shortcuts. provides context-sensitive help
?
What is a result of using the service password-encryption command on a Cisco network device?
All passwords in the configuration are not shown in clear text when viewing the configuration.
Match the definitions to their respective CLI hot keys and shortcuts. aborts commands such as trace and ping
Ctrl-Shift-6
What criterion must be followed in the design of an IPv4 addressing scheme for end devices?
Each IP address must be unique within the local network.
A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?
Exit privileged EXEC mode and press Enter.
Which two features are characteristics of flash memory?
Flash provides nonvolatile storage. The contents of flash may be overwritten.
What benefit does DHCP provide to a network?
Hosts can connect to the network and get an IP address without manual configuration.
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?
Issue the reload command without saving the running configuration.
Which statement is true about the running configuration file in a Cisco IOS device?
It affects the operation of the device immediately when modified.
How does the service password-encryption command enhance password security on Cisco routers and switches?
It encrypts passwords that are stored in router or switch configuration files.
Which two host names follow the guidelines for naming conventions on Cisco IOS devices?
RM-3-Switch-2A4 SwBranch799
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?
SSH
Match the definitions to their respective CLI hot keys and shortcuts. displays the next screen
Space Bar
Match the definitions to their respective CLI hot keys and shortcuts. completes abbreviated commands and parameters
Tab
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 PC was preconfigured to use DHCP.
What are two characteristics of RAM on a Cisco device?
The configuration that is actively running on the device is stored in RAM. The contents of RAM are lost during a power cycle.
What is the function of the kernel of an operating software?
The kernel provisions hardware resources to meet software requirements.
Match the definitions to their respective CLI hot keys and shortcuts. scrolls backwards through previously entered commands
Up Arrow
Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?
Use the console port to locally access the switch from a serial or USB interface of the PC.
Which interface is the default SVI on a Cisco switch?
VLAN 1
Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords.
VTY interface console interface privileged EXEC mode
A network administrator is planning an IOS upgrade on several of the head office routers and switches. Which three questions must be answered before continuing with the IOS selection and upgrade?
What models of routers and switches require upgrades? Do the routers and switches have enough RAM and flash memory for the proposed IOS versions? What features are required for the devices?
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI?
displaying a list of all available commands within the current mode determining which option, keyword, or argument is available for the entered command
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? Third Mode
global configuration mode
What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
if there is connectivity with the destination device
What command can be used on a Windows PC to see the IP configuration of that computer?
ipconfig
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? Final Mode
line configuration mode
Which two characters are allowed as part of the hostname of a Cisco device?
numbers dash
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? Second Mode
privileged EXEC mode
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? First Mode
user EXEC mode
