CNT 140 chapter 10
Which statement regarding the service password-encryption command is true ? To see the passwords encrypted by the service password-encryption command in plain text, issue the no service-password-encryption command As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted it is configured in privileged EXEC mode it encrypts only line mode passwords
As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted
Why would you save the startup config to flash memory ?
It is for having a back up for the startup config if NVRAM is corrupted.
An administrator is configuring a new router to permit out-of-band management access. Which set of commands will allow the required login using a password of cisco ? Router(config)#line console 0 Router(config-line)#password cisco Router(config-line)#login Router(config)#line vty 0 4 Router(config-line)#password cisco Router(config-line)#login Router(config)#line vty 0 4 Router(config-line)#password manage Router(config-line)#exit Router(config-line)#enable password cisco Router(config)#line console 0 Router(config-line)#password cisco Router(config-line)#exit Router(config-line)#service password-encryption
Router(config)#line console 0 Router(config-line)#password cisco Router(config-line)#login
What is saved if flash memory ?
The Cisco devices Cisco IOS is saved in flash memory
A router boots and enters setup mode. What is the reason for this ? Cisco IOS is missing from flash memory The POST process has detected hardware failure The configuration File is missing from NVRAM The IOS image is corrupt
The configuration File is missing from NVRAM
Which characteristic describes the default gateway of a host computer ? The logical address of the router interface on the same network as the host computer The physical address of the switch interface connected to the host computer the physical address of the router interface on the same network as the host computer the logical address assigned to the switch interface connected to the router
The logical address of the router interface on the same network as the host computer
How do you add legal notifications on a router ?
banner motd# unauthorized access is prohibited#
How do you save the running config to the startup config of a router ?
copy running-config startup-config
What two command can you use to save the running-config to the startup config ?
copy running-config startup-config write memory
What command is used to save the startup config to flash memory ?
copy startup-config flash
What command is used to add a description to an interface ?
description (argument)
How do you secure privileged EXEC mode on a router ?
enable secret (argument)
Company policy requires using the most secure method to safeguard access to the privileged exec and configuration mode on the routers. The privileged exec password is trustknow1. Which of the following router commands achieves the goal of providing the highest level of security? secret password trustknow1 enable password trustknow1 enable secret trustknow1 service password-encryption
enable secret trustknow1
How do you configure a device name on a router ?
hostname (argument)
What command is used to enter an interface on a router ?
interface (keyword)
How do you configure a vlan interface on a switch ?
interface vlan1 ip address (argument for address) (argument for subnet mask) no shutdown
What command is used to set an ipv4 address and subnet mask to an router interface ?
ip address (argument) (argument)
What command is used to set a default gateway on a switch ?
ip default-gateway (argument IP address of the default gateway)
What command is used to set an IPv6 address to a router interface ?
ipv6 address (argument) (argument)
what is the purpose of the banner motd command ? it provides an easy way of communicating with any user attached to a router's LANs it configures messages that will id printed documents to LAN users It is a way that routers communicate the status of their link with one another it provides a way to make announcements to those who log in to a router
it provides a way to make announcements to those who log in to a router
How do you secure user EXEC mode on a router ?
line console 0 password (argument ) login
How do you secure remote Telnet/SSH access on a router ?
line vty 0 4 password (argument) login transport input telnet transport input ssh
What command is used to activate an interface on a router ?
no shutdown
What will be the response from the router after the command "router(config)#hostname portsmouth" is entered ? portmouth# portmouth(config)# ?command not recognized router(config)# hostname=portsmouth portsmouth# invalid input detected
portsmouth(config)#
A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task ? global configuration mode privileged EXEC mode any line configuration mode user executive mode
privileged EXEC mode
Which CLI mode allows users to access all device commands, such as those used for configuration, management, troubleshooting ? interface configuration mode global configuration mode user EXEC mode privileged EXEC mode
privileged EXEC mode
How do you secure all password in the config file on a router ?
service password-encryption
Which command is used to encrypt all passwords in a router configuration file ? Router_A(config)#encypt password Router_A(config)#enable secret Router_A(config)#service password-encryption Router_A(config)#enable password
service password-encryption
What command is used to view the contents of flash memory ?
show flash
What command is used to display statistics for all interfaces on the device. However , this command will only display the IPv4 addressing information ?
show interfaces
What command is used to give a summery off all interfaces on a router ?
show interfaces / show ip interfaces
What command is used to display layer 3 to 1 information on a specific interface ?
show interfaces serial 0/0/0
What command is used to see only layer 3 information about a specific interface ?
show ip interface (keyword serial) (0/0/0)
What command is used to show the statistics of a specific IPv4 interface ?
show ip interface (keyword)
What command is used to give a brief summery of network interfaces on a router ?
show ip interface brief
What command output displays all interfaces, their IP address, and their current status for IPv4 ?
show ip interface brief
Which command can be used on a cisco router to display all interfaces, the IPv4 address assigned, and the current status ? show interface fa0/1 ping show ip route show ip interface brief
show ip interface brief
What commands are used to show if an interface is up or down ?
show ip interface brief and show interfaces
What command is used to display IPv4 statistics for all interfaces on a router ?
show ip interfaces
What command is used to display the contents of the IPv4 routing tables stored in RAM ?
show ip route
What command is used to display the IPv6 statistics for all interfaces on a router ?
show ipv6 interface
What command is used to show the statistics of a specific IPv6 interface ?
show ipv6 interface (keyword)
What command output displayer all interfaces, their IP address, and their current status for IPv6 ?
show ipv6 interface brief
What command is used to display the contents of the IPv6 routing table stored in RAM ?
show ipv6 route
What is stored in the NVRAM of a Cisco router ? the Cisco IOS the startup configuration the running configuration the bootup instrucitions
the startup configuration
