Câu 1:
Which of the following is the correct flow of routines for a router startup? | |
load bootstrap, load IOS, apply configuration | |
load bootstrap, apply configuration, load IOS | |
load IOS, load bootstrap, apply configuration, check hardware | |
check hardware, apply configuration, load bootstrap, load IOS |
Under what conditions does the router enter setup mode? (Choose three.) | |
immediately after issuing the command Router#erase start | |
after issuing the command Router#setup | |
during the initial configuration of a router | |
after deleting the backup configuration and reloading the router | |
after deleting the running configuration |
What is the default sequence for loading the configuration file? | |
NVRAM, FLASH, ROM | |
FLASH, TFTP,CONSOLE | |
NVRAM, TFTP, CONSOLE | |
FLASH, TFTP, ROM |
What does the command sh? return as output if issued at the Router# prompt? | |
all show commands allowed in privileged mode | |
all commands beginning with the letters sh | |
an incomplete command error message | |
an invalid command error message |
Which keystroke is used to move to the beginning of a command line? | |
Ctrl-A | |
Ctrl-B | |
Esc-A | |
Esc-B | |
Ctrl-C | |
Ctrl-Z |
A network administrator needs to configure a router. Which of the following connection methods requires network functionality to be accessible? | |
console | |
AUX | |
Telnet | |
modem |
Which keystrokes can be used to return to the privileged mode from the interface configuration mode? | |
Ctrl-P | |
Ctrl-Shift-6, then X | |
Ctrl-Z | |
Esc |
Cisco IOS software is separated into two levels as a security feature. What are those two levels? (Choose two.) | |
global | |
privileged | |
local | |
user | |
interface |
Which connection method can be used to perform the initial configuration of a router? | |
use a serial connection of a computer connected to the console port of a router | |
telnet to the router through a serial port | |
use a vty port through the Ethernet interface | |
use a modem connected to the AUX port of the router |
What information does the name of the IOS file provide to the network administrator? (Choose three.) | |
the amount of NVRAM required to run the image | |
the hardware platform the image runs on | |
the various software platforms the image can run on | |
special features and capabilities of the image | |
the bandwidth supported by the IOS | |
where the image executes from and if it has been compressed |
What baud rate needs to be configured on terminal emulation software to allow a connection to the console port of a router? | |
2400 | |
4800 | |
9600 | |
14200 | |
38400 |
Which tasks can be accomplished by using the command history feature? (Choose two.) | |
View a list of commands entered in a previous session. | |
Recall up to 15 command lines by default. | |
Set the command history buffer size. | |
Recall previously entered commands. | |
Save command lines in a log file for future reference |
Which command takes precedence if the commands enable password and enable secret are both configured on a router? | |
enable password | |
enable secret | |
Neither. They are both enabled. | |
Neither. They cancel each other out. |
What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.) | |
the last restart method | |
the command buffer contents | |
the amount of NVRAM and FLASH used | |
the configuration register settings | |
the location from where the IOS loaded |
After the active IOS image has been loaded into RAM from flash memory, which commands could be used to display the file name of the active IOS? (Choose two.) | |
Router# show IOS | |
Router# show flash | |
Router# show nvram | |
Router# show version | |
Router# show startup-config | |
Router# show running-config |
Which tasks can be performed in the ROM monitor mode? (Choose two.) | |
recover from system failures | |
create startup configuration files | |
recover from lost passwords | |
configure IP addresses on all router interfaces | |
perform high level diagnostics |
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