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- 1. Multiple Choice
A router boots and enters setup mode. What is the reason for this?
The IOS image is corrupt.
Cisco IOS is missing from ash memory.
The configuration file is missing from
NVRAM.
The POST process has detected hardware
failure.
- 2. Multiple Choice
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
- 3. Multiple Choice
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
- 4. Multiple Choice
What will be the response from the router after the command, "router(config)# hostname portsmouth" is entered?
portsmouth#
portsmouth(config)#
router(config-host)#
invalid input detected
- 5. Multiple Choice
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
- 6. Multiple Choice
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
- 7. Multiple Choice
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
- 8. Multiple Choice
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
- 9. Multiple Choice
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.
- 10. Multiple Choice
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
- 11. Multiple Choice
What is stored in the NVRAM of a Cisco router?
the Cisco IOS
the running configuration
the bootup instructions
the startup configuration
- 12. Multiple Choice
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.
- 13. Multiple Choice
What will be the prompt after executing the following command?
Switch(config)# line console 0
Correct answer is missing
(config-line)#
Switch(config)#
Switch(line-config)#
Switch(config-line)#
- 14. Multiple ChoiceA switch connectsend devices to end devicesnetworks to networksscreens to keyboardsend devices to the Internet
- 15. Multiple ChoiceA router connectsend devices to end devicesnetworks to networksscreens to keyboardsend devices to the Internet
- 16. Multiple ChoiceEach side of a router isa different networkthe same networkin the same IP subnet rangeconnected to a single end device
- 17. Multiple ChoiceThe netmask (e.g. /24) representsthe number of IP addresses in a subnetthe number of MAC addresses on a PCan end device’s IP addressthe IP address of the gateway
- 18. Multiple ChoiceWhen a device sends a broadcastall devices in the same broadcast domain receive itall devices in all VLANs receive itall Internet connected devices receive itthe switch receives it and discards it
- 19. Multiple Choice
show ip interface brief is a command that allows you to view and to verify the condition of the switch or router interfaces.
True
False
- 20. Multiple Choice
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
Ehernet interface
privileged exec mode
router config mode
- 21. Multiple Choice
What function does pressing the Tab key have when entering a command in IOS?
It aborts the current command and returns to configuration mode.
It exits configuration mode and returns to user EXEC mode.
It moves the cursor to the beginning of the next line.
It completes the remainder of a partially typed word in a command.
- 22. Multiple Choice
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?
letmein
secretin
lineconin
linevtyin
- 23. Multiple Choice
A technician configures a switch with these commands:
SwitchA(config)# interface vlan 1
SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0
SwitchA(config-if)# no shutdown
telnet
SVI
password encryption
physical switchport access
- 24. Multiple Choice
How is SSH different from Telnet?
SSH makes connections over the network, whereas Telnet is for out-of-band access.
SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.
SSH requires the use of the PuTTY terminal emulation program. Tera Term must be used to connect to devices through the use of Telnet.
SSH must be configured over an active network connection, whereas Telnet is used to connect to a device from a console connection.
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