CNA 101 - Module 10 - Basic Router Configuration

the startup configuration

What is stored in the NVRAM of a Cisco router? the Cisco IOS the running configuration the bootup instructions the startup configuration

The configuration file is missing from NVRAM.

A router boots and enters setup mode. What is the reason for this? The IOS image is corrupt. Cisco IOS is missing from flash memory. The configuration file is missing from NVRAM. The POST process has detected hardware failure.

any line configuration mode

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? user executive mode global configuration mode any line configuration mode privileged EXEC mode

Router(config)# line console 0Router(config-line)# password ciscoRouter(config-line)# login

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 vty 0 4Router(config-line)# password manageRouter(config-line)# exitRouter(config)# enable password cisco Router(config)# line vty 0 4Router(config-line)# password ciscoRouter(config-line)# login Router(config)# line console 0Router(config-line)# password ciscoRouter(config-line)# login Router(config)# line console 0Router(config-line)# password ciscoRouter(config-line)# exitRouter(config)# service password-encryption

enable secret trustknow1

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 service password-encryption enable secret trustknow1

It provides a way to make announcements to those who log in to a router.

What is the purpose of the banner motd command? It configures a message that will identify printed documents to LAN users. It is a way that routers communicate the status of their links with one another. It provides an easy way of communicating with any user attached to a router's LANs. It provides a way to make announcements to those who log in to a router.

to contain the commands that are used to initially configure a router on startup

What is the purpose of the startup configuration file on a Cisco router? to facilitate the basic operation of the hardware components of a device to contain the commands that are used to initially configure a router on startup to contain the configuration commands that the router IOS is currently using to provide a limited backup version of the IOS, in case the router cannot load the full featured IOS

portsmouth(config)#

What will be the response from the router after the command, "router(config)# hostname portsmouth" is entered? portsmouth# portsmouth(config)# invalid input detected router(config-host)# hostname = portsmouthportsmouth# ? command not recognizedrouter(config)#

privileged EXEC mode

Which CLI mode allows users to access all device commands, such as those used for configuration, management, and troubleshooting? user EXEC mode privileged EXEC mode global configuration mode interface configuration mode

the logical address of the router interface on the same network as the host computer

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

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 ip interface brief ping show ip route show interface fa0/1

Router_A (config) # service password-encryption

Which command is used to encrypt all passwords in a router configuration file? Router_A (config) # enable secret <password> Router_A (config) # service password-encryption Router_A (config) # enable password <password> Router_A (config) # encrypt password

As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.

Which statement regarding the service password-encryption command is true? 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. To see the passwords encrypted by the service password-encryption command in plain text, issue the no service password-encryption command.