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Intro to Networks > Module 2 > Flashcards

Module 2 Flashcards

1
Q

What is AUX port on Cisco Switch

A

Provides out-of-band connections over telephone line

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2
Q

What is the shell?

A

The user interface that allows users to request specific tasks from the computer

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3
Q

What are 2 ways users interact with the shell?

A

CLI and GUI

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4
Q

What is the kernel?

A

Communicates between the hardware and software of a computer and manages how hardware resources are used to meet software requirements

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5
Q

What is the family of network operating systems used on many Cisco devices called?

A

Cisco Internetwork Operating System (IOS)

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6
Q

What is the OS on home routers usually called?

A

Firmware

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7
Q

What is Out-of-Band access?

A

Access via a dedicated management channel that is used for device maintenance purposes only

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8
Q

What is console access?

A

A physical management port that provides out-of-band access to a Cisco device.

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9
Q

What is SSH access method?

A

Secure Shell is an in-band and recommended method for remotely establishing a secure CLI connection, through a virtual interface, over a network.

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10
Q

Why should Telnet not be used?

A

Not an encrypted connection, and everything is sent over the network in plaintext

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11
Q

Name 3 terminal emulation programs

A

PuTTY, Tera Term and SecureCRT

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12
Q

What is user EXEC Mode?

A

Limited capabilities useful for basic operations and often referred to as “view only” mode. Shown is Switch> in CLI

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13
Q

What is Privileged EXEC Mode?

A

Allows full access to all commands and features. Is shown as Switch#

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14
Q

What is Global Configuration mode?

A

CLI changes are made that affect the operation of the device as a whole. Show in CLI as Switch(config)#

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15
Q

What are the 2 sub-configuration modes of global confit mode?

A

Line configuration mode and Interface Configuration mode

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16
Q

What is Line config mode?

A

Used to configure console, SSH, Telnet or AUX access.

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17
Q

What is Interface Configuration Mode?

A

Used to configure a switch port or router network interface.

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18
Q

What commands are used to enter and exit privilege exec mode?

A

Enable and Disable

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19
Q

What command is used to enter global configuration mode?

A

Configure Terminal

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20
Q

What command is used to exit global config and re-enter privileged exec mode?

A

Exit ( can also be used to exit sub-configuration modes to global config mode)

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21
Q

What 2 commands lets you exit sub-configuration modes and enter directly privileged exec mode?

A

End and CTRL+Z

22
Q

What is a keyword in command structure?

A

A specific parameter defined in OS. Ex. Ping

23
Q

What is an argument in IOS command structure?

A

A value or variable defined by the user. Ex. 192.168.10.5

24
Q

What are the 2 forms of help in Cisco IOS?

A

Context-sensitive help and command syntax help

25
Q

How do you access context sensitive help?

A

Enter a ? In CLI

26
Q

How is command syntax check accessed?

A

When a command is entered, the command line interpreter evaluates the command from left to right. If understood then the command is ran. If not, then feedback is provided.

27
Q

What 5 guidelines for naming Cisco Hosts?

A

1) start with a letter
2) contain no spaces
3) end with a letter or digit
4) use only letters, digits and dashes
5) be less than 64 characters in length

28
Q

What command gives access to global configuration mode?

A

Configure terminal

29
Q

What command is used to name a host?

A

Hostname followed by the name

30
Q

What command returns a device to the default name?

A

No hostname

31
Q

What series of commands are used to secure user EXEC mode access?

A

Configure terminal
Line console 0
Password (followed by password)
Login
End

32
Q

What series of commands is used to secure privileged EXEC access?

A

Configure terminal
Enable secret class
Exit

33
Q

What series of commands secure virtual terminal lines(VTY)

A

Configure terminal
Line vty 0 15
Password (followed by password)
Login end

34
Q

What series of commands encrypts plaintext passwords?

A

Service password-encryption

35
Q

What command is used to create a banner message?

A

banner motd # message of the day #

36
Q

Where is startup-config stored?

A

NVRAM

37
Q

What are the 2 system files that store the device configuration?

A

Startup-config and running-config

38
Q

Where is running-config stored?

A

RAM

39
Q

What commands does startup-config contain?

A

All commands that will be used by the device upon startup or reboot

40
Q

What commands does running-config contain?

A

It reflects the current configuration and immediately affects the operation of a Cisco device

41
Q

What does the command copy running-config startup-config do?

A

Saves changes made to the running config(RAM) to the startup-config(NVRAM)

42
Q

IP Addresses are used as the primary means of ________ and ________.

A

Enabling devices to locate one another and establish end-to-end communications

43
Q

What is the structure of IPv4 address?

A

Dotted decimal notation and is represented by four decimal numbers between 0-255

44
Q

What is an IPv4 subnet mask?

A

A 32-bit value that differentiates the network portion of the address from the host portion

45
Q

Give 2 characteristics of IPv6 addresses?

A

128 bits in length and written as a string of hexadecimal values

46
Q

What is a switch virtual interface(SVI)?

A

A virtual interface because there is no physical hardware on the device allowing remote management of a switch over a network. Default interface is VLAN1

47
Q

What is used by IPv6 for automatic address configuration?

A

DHCPv6 and SLAAC

48
Q

What command is used to enable virtual and physical interfaces on a Cisco device?

A

No shutdown

49
Q

What command is used to assign a default gateway to a vlan?

A

ip default-gateway [gateway ip]

50
Q

What does the show ip interface brief command do?

A

Verifying Ip address and if the condition of switch interfaces

Intro to Networks (5 decks)

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