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Cisco CCENT > Infrastructure Maintenance > Flashcards

Infrastructure Maintenance Flashcards

1
Q

Which protocol option should be selected to encrypt and transmit data between peer routers with high confidentiality?

A

Encapsulating Security Payload (ESP) in tunnel mode

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2
Q

Which Cisco Internetwork Operating System (IOS) command is used to define the default gateway address when IP routing is disabled in the network?

A

the ip default-gateway command

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3
Q

Which Cisco IOS command is used to configure an enable password on a router?

A

The enable password command

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4
Q

What is the first step of the Cisco router boot sequence?

A

Power-on Self Test (POST)

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5
Q

Which Cisco Internetwork Operating System (IOS) command will specify the device and configuration file used by the Cisco router to boot during initialization?

A

the boot config command

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6
Q

Which mode will a Cisco catalyst switch enter if there is no startup configuration file in the NVRAM?

A

initial configuration dialogue mode

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7
Q

What remote connection method is a secure alternative to using Telnet for remote management of devices?

A

secure shell (SSH)

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8
Q

What command is required to create a password that will be encrypted when it appears in the show run command?

A

enable secret

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9
Q

Which of the ip default-gateway, ip default-network, and ip route 0.0.0.0 0.0.0.0.0 commands is used to define gateway of last resort in the absence of IP routing?

A

the ip default-gateway command

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10
Q

Which Cisco IOS command is used to configure an encrypted enable secret password for privileged exec mode on a router?

A

The enable secret command

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11
Q

Which cipher algorithm does the service password-encryption use?

A

the Vigenere cipher algorithm

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12
Q

Which Cisco IOS show command displays information on the Cisco router’s interface card controllers?

A

the show controllers command

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13
Q

Which of the ip default-gateway, ip default-network, and ip route 0.0.0.0 0.0.0.0 commands is classfull?

A

the ip default-network command

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14
Q

What is the term for a special type of signal that enables routers to send and receive data at the correct rate?

A

clock rate

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15
Q

Which Cisco IOS command will let you see the IP address configured on the interface of directly connected remote routers on a point-to-point WAN link?

A

the show cdp neighbor detail command

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16
Q

What are the three broad guidelines in an implementation plan to provide high availability?

A

Plan for incremental implementation of each redundant device, require testing after every step is implemented to ensure operation during a failure, and provide rollback procedures for every step

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17
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the configuration of system hardware, software version, and boot images?

A

the show version command

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18
Q

What is the third step of the Cisco router boot sequence?

A

the router locates and loads the IOS

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19
Q

Which protocol is used by the ping utility command to test the networking connectivity of the destination host?

A

Internet Control Message Protocol (ICMP)

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20
Q

Which interface configuration mode command will enable the administratively down interface?

A

the no shutdown command

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21
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the contents of the boot environment variable and bootldr environment variable?

A

the show bootvar command

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22
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the contents of flash memory?

A

the show flash command

23
Q

Which encryption algorithm generates a set of keys which includes a public key and a private key?

A

Asymmetric encryption

24
Q

At what router prompt is the configure terminal command executed?

A

router#

25
Q

Which Cisco Internetwork Operating System (IOS) command is used to copy the configuration stored in Random Access Memory (RAM) to Non-Volatile Random Access Memory (NVRAM)?

A

the router# copy running-config startup-config command

26
Q

What limitations of the service password-encryption command can prevent the protection of configuration files?

A

the Vigenere cipher algorithm cannot protect the configuration files against detailed analysis by attackers

27
Q

What is the asymmetric encryption algorithm?

A

RSA

28
Q

Which Cisco IOS command is used to restore the backup IOS image stored on a TFTP server to the target router?

A

The copy tftp flash command

29
Q

In which memory does a Catalyst switch store the startup configuration file?

A

NVRAM

30
Q

Which step should be included in a network implementation plan to provide for high availability in case of failure?

A

Rollback procedures should be included for every step in the implementation plan for the redundant devices

31
Q

Which Cisco Internetwork Operating System (IOS) command is used to copy the configuration stored in Non-Volatile Random Access Memory (NVRAM) to Random Access Memory (RAM)?

A

the router# copy startup-config running-config command

32
Q

Which Cisco IOS show command displays the Cisco IOS version and the software and hardware information of a Cisco router?

A

the show version command

33
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the ReadOnly and the upgrade ROM monitor image versions on the router?

A

the rommon> showmon command

34
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the information related to the system?

A

the show system command

35
Q

Which Cisco Internetwork Operating System (IOS) command is used to view active processes on the router?

A

the show processes cpu command

36
Q

What are the three commands that are used to configure the console password on a Cisco router?

A

line con 0, login, and password

37
Q

Which Cisco IOS command is used to change the setting for the configuration register on the router?

A

The config-register command

38
Q

Which IOS command will enable you to use hostname with the ping or traceroute commands in place of IP address on a Cisco router?

A

The ip domain-lookup command

39
Q

Which Cisco Internetwork Operating System (IOS) command is used to modify the buffer size used to load the configuration file?

A

the boot buffersize command

40
Q

Which Cisco IOS service command is used to encrypt passwords?

A

The service password-encryption command

41
Q

What is the second step of the Cisco router boot sequence?

A

the router loads bootstrap code from ROM

42
Q

What should be configured on a switch in order to telnet into the switch?

A

the Internet Protocol (IP) address

43
Q

Which Cisco Internetwork Operating System (IOS) command is used to enable autoloading of configuration files from the network server?

A

the service config command

44
Q

Which Cisco IOS show command displays information on the Cisco router’s flash memory?

A

the show flash command

45
Q

Which Cisco Internetwork Operating System (IOS) command is used to save the running configuration in the Random Access Memory (RAM) to the flash memory of the router?

A

The copy running-configuration flash command

46
Q

What does an amber System LED on a Cisco Catalysts switch represent?

A

Power-on Self Test (POST) failure

47
Q

Which Cisco IOS show interface command will display the summary of all configured interfaces?

A

The show interface brief command

48
Q

Which IOS command will enable you to specify the IP address of one more DNS servers?

A

The ip name-server command

49
Q

Which Cisco Internetwork Operating System (IOS) command is used to view interface card controllers?

A

the show controllers command

50
Q

What is the last step of the Cisco router boot sequence?

A

the router locates and loads the configuration file

51
Q

Which port on a Cisco device is used to access Cisco Command Line Interface (CLI) locally?

A

console port

52
Q

Which Cisco Internetwork Operating System (IOS) command is used to view the type of debugging enabled on the router?

A

the show debugging command

53
Q

How many network commands can be issued under the router configuration mode on a Cisco router?

A

unlimited

Cisco CCENT (5 decks)

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