CCNA EXAM 2 | COMPLETE PRACTICE QUESTIONS, ANSWERS & STUDY
GUIDE 2026/2027
What is the function of the kernel of an operating software? - ✔✔The kernel provision
hardware resources to meet software requirements
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
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 command or key combination allows a user to return to the previous level in the
command hierarchy? - ✔✔exit
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS
CLI? (Choose two.) - ✔✔-displaying a list of all available commands within the current mode
-determining which option, keyword, or argument is available for the entered command
Which information does the show startup-config command display? - ✔✔the contents of the
saved configuration file in the NVRAM
Why is it important to configure a hostname on a device? - ✔✔to identify the device during
remote access (SSH or telnet)
Which two host names follow the guidelines for naming conventions on Cisco IOS devices?
(Choose two.) - ✔✔-RM-3-Switch-2A4
-SwBranch799
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
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
GUIDE 2026/2027
What is the function of the kernel of an operating software? - ✔✔The kernel provision
hardware resources to meet software requirements
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
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 command or key combination allows a user to return to the previous level in the
command hierarchy? - ✔✔exit
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS
CLI? (Choose two.) - ✔✔-displaying a list of all available commands within the current mode
-determining which option, keyword, or argument is available for the entered command
Which information does the show startup-config command display? - ✔✔the contents of the
saved configuration file in the NVRAM
Why is it important to configure a hostname on a device? - ✔✔to identify the device during
remote access (SSH or telnet)
Which two host names follow the guidelines for naming conventions on Cisco IOS devices?
(Choose two.) - ✔✔-RM-3-Switch-2A4
-SwBranch799
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
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
