Cisco CCNA 1 Chapter 2 Cisco Exam Answers 100%
> 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 copy startup-config running-config command.
Delete the
vlan.dat file and reboot the device.
Close and reopen the terminal emulation software.
*Issue the reload command without saving the running configuration.*
*Each IP address must be unique within the local network.*
Each local host should be assigned an IP address with a unique network component.
Each IP address needs to be compatible with the MAC address.
Each IP address must match the address that is assigned to the host by DNS.
The command encrypts the banner message.
Flash is a component in Cisco switches but not in Cisco routers.
Duplicate addresses cannot occur on a network that issues dynamic addresses using DHCP and has static assignments.
DHCP allows users to refer to locations by a name rather than an IP address.
*Console interface*
Router configuration mode
*Issue the reload command without saving the running configuration.*
> What criterion must be followed in the design of an IPv4
addressing scheme for end devices?
Each local host should be assigned an IP address with a unique network component.
Each IP address needs to be compatible with the MAC address.
Each IP address must match the address that is assigned to the host by DNS.
> 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.*
A network administrator who later logs into the device will be required to enter an administrator password in order to gain access to the Cisco device.
The command encrypts the enable mode password.
> Match
the description to the common IOS CLI access method.
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> Which two features are characteristics of flash memory?
(Choose two.)
*The contents of flash may be overwritten.*
The contents of flash may be lost during a power cycle.
*Flash provides nonvolatile storage.*
Flash receives a copy of the IOS from RAM when a device is powered on.
> What benefit does DHCP provide to a network?
*Hosts can connect to the network and get an IP address
without manual configuration.*
Hosts always have the same IP address and are therefore
always reachable.
> 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*
Ethernet interface
*Privileged EXEC mode*
Boot IOS mode
> What command can be used on a Windows PC to see the IP
configuration of that computer?
Show ip interface brief
> Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?
*Ipconfig*
Show interfaces
Ping
> Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?
Use the AUX port to locally access the switch from a serial or USB interface of the PC.
*Use the console port to locally access the switch from a serial or USB interface of the PC*
Use Secure Shell to remotely access the switch through the network.
> Which two functions are provided to users by the
context-sensitive help feature of the Cisco
IOS CLI? (Choose two.)
*Determining which option, keyword, or argument is available for the entered command*
Selecting the best command to accomplish a task
Allowing the user to complete the remainder of an
abbreviated command with the TAB key
Providing an error message when a wrong command is submitted
*Displaying a list of all available commands within the current mode*
> Match the difinitions to their respective CLI hot keys and
shortcuts.
Tab # *Completes abbreviated commands and parameters.*
Ctrl-R # *Returns directly to the privileged EXEC mode.*
Up Arrow # *Scrolls backwards through previously entered
commands.*
Ctrl-Z # *Cancels any command currently being entered and
returns directly to privileged EXEC
mode.*
Ctrl-C # *Redisplays, on a new line, the command
currently being typed.*
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> 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*
Global configuration mode
ROM monitor mode
Setup mode
> Which interface allows remote management of a Layer 2
switch?
The AUX interface
The console port interface
*The switch virtual interface*
> Why would a Layer 2 switch need an IP address?
To enable the switch to function as a default gateway
*To enable the switch to be managed remotely*
To enable the switch to receive frames from attached PCs
To enable the switch to send broadcast frames to attached PCs
> 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?
Telnet
Console
*SSH*
AUX
> Which two characters are allowed as part of the hostname of
a Cisco device? (Choose two.)
Question mark
Tab
*Underline*
*Numbers*
Space
> 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.)
*Do the routers and switches have enough RAM and flash memory for the proposed IOS
versions?*
Do the devices have enough NVRAM to store the IOS image?
*What models of routers and switches require upgrades?*
What ports are installed on the routers and switches?
> 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 global configuration mode.
Enter CTRL-Z at the privileged mode prompt.
*Exit enable mode and press Enter.*
Reboot the device.Power cycle the device.
> Why is it important to configure a hostname on a device?
*To identify the device during remote access (SSH or telnet)*
To allow local access to the device through the console port
A Cisco router or switch only begins to operate when its
hostname is set
> What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
If the TCP/IP stack is functioning on the PC without putting
traffic on the wire
*If there is connectivity with the destination device*
What type of device is at the destination
> Which statement is true about the running configuration file
in a Cisco IOS device?
It is stored in NVRAM.
It should be deleted using the erase running-config command.
It is automatically saved when the router reboots.
*It affects the operation of the device immediately when modified.*
> 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*
The ip default-gateway command has to be issued in the VLAN interface configuration mode.
The local DNS server is not functioning correctly.
The default gateway address must be 192.168.10.1.
The VLAN IP address and the default gateway IP
address are not in the same network.
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