CCNA Exam 2
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. (Choose three.)
-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? (Choose three.)
-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 host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)
-RM-3-Switch-2A4 -SwBranch799
Which command or key combination allows a user to return to the previous level in the command hierarchy?
exit
What are two characteristics of RAM on a Cisco device? (Choose two.)
-The configuration that is actively running on the device is stored in RAM -The contents of RAM are lost during a power cycle
Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)
-The switch can be remotely managed -One device is attached to a physical interface -The default SVI has been configured
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)
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.)
-connectivity: switch 2 -no connectivity: PC-C
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
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.)
-first mode: user exec mode -second mode: privileged exec mode -third mode: global config mode -fourth mode: line config mode
Which two characters are allowed as part of the hostname of a Cisco device? (Choose two.)
-numbers -dash
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
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
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
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
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 is the function of the kernel of an operating software?
The kernel provision hardware resources to meet software requirements
Refer to the exhibit. A switch was configured as shown. A ping to the default gateway was issued, but the ping was not successful. Other switches in the same network can ping this gateway. What is a possible reason for this?
The no shutdown command was not issued for VLAN 1
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
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
A router with a valid operating system contains a configuration file stored in NVRAM. The configuration file has an enable secret password but no console password. When the router boots up, which mode will display?
user EXEC mode
