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Intro to Networks > Module 2 > Flashcards

Module 2 Flashcards

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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?

Study These Flashcards
A

End and CTRL+Z

22
Q

What is a keyword in command structure?

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A

A specific parameter defined in OS. Ex. Ping

23
Q

What is an argument in IOS command structure?

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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?

Study These Flashcards
A

Context-sensitive help and command syntax help

25
How do you access context sensitive help?
Enter a ? In CLI
26
How is command syntax check accessed?
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
What 5 guidelines for naming Cisco Hosts?
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
What command gives access to global configuration mode?
Configure terminal
29
What command is used to name a host?
Hostname followed by the name
30
What command returns a device to the default name?
No hostname
31
What series of commands are used to secure user EXEC mode access?
Configure terminal Line console 0 Password (followed by password) Login End
32
What series of commands is used to secure privileged EXEC access?
Configure terminal Enable secret class Exit
33
What series of commands secure virtual terminal lines(VTY)
Configure terminal Line vty 0 15 Password (followed by password) Login end
34
What series of commands encrypts plaintext passwords?
Service password-encryption
35
What command is used to create a banner message?
banner motd # message of the day #
36
Where is startup-config stored?
NVRAM
37
What are the 2 system files that store the device configuration?
Startup-config and running-config
38
Where is running-config stored?
RAM
39
What commands does startup-config contain?
All commands that will be used by the device upon startup or reboot
40
What commands does running-config contain?
It reflects the current configuration and immediately affects the operation of a Cisco device
41
What does the command copy running-config startup-config do?
Saves changes made to the running config(RAM) to the startup-config(NVRAM)
42
IP Addresses are used as the primary means of ________ and ________.
Enabling devices to locate one another and establish end-to-end communications
43
What is the structure of IPv4 address?
Dotted decimal notation and is represented by four decimal numbers between 0-255
44
What is an IPv4 subnet mask?
A 32-bit value that differentiates the network portion of the address from the host portion
45
Give 2 characteristics of IPv6 addresses?
128 bits in length and written as a string of hexadecimal values
46
What is a switch virtual interface(SVI)?
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
What is used by IPv6 for automatic address configuration?
DHCPv6 and SLAAC
48
What command is used to enable virtual and physical interfaces on a Cisco device?
No shutdown
49
What command is used to assign a default gateway to a vlan?
ip default-gateway [gateway ip]
50
What does the show ip interface brief command do?
Verifying Ip address and if the condition of switch interfaces

Intro to Networks (5 decks)

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