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

(a)  

The physical part of a computer including underlying electronics.

(a)  

Allows the user to interact with the system using an environment of graphical icons, menus, and windows.

(a)  

A physical management port used to access a device in order to provide maintenance, such as performing the initial configurations.

(a)  

Establishes a secure remote CLI connection to a device, through a virtual interface, over a network. (Note: This is the recommended method for remotely connecting to a device.)

(a)  

Establishes an insecure remote CLI connection to a device over the network. (Note: User authentication, passwords and commands are sent over the network in plaintext.)

(a)  

Are used to connect to a network device by either a console port or by an SSH/Telnet connection.

(a)  

Allows access to only a limited number of basic monitoring commands. Identified by the CLI prompt that ends with the > symbol

(a)  

Allows access to all commands and features. Identified by the CLI prompt that ends with the # symbol

(a)  

To move out of any subconfiguration mode to get back to global configuration mode, use the exit command. To return to privilege EXEC mode, use the end command or key combination Ctrl +Z.

(a)  

This is a specific parameter defined in the operating system (in the figure, ip protocols).

(a)  

This is not predefined; it is a value or variable defined by the user (in the figure, 192.168.10.5).

(a)  

This is the saved configuration file that is stored in NVRAM. It contains all the commands that will be used by the device upon startup or reboot. Flash does not lose its contents when the device is powered off.

(a)  

This is stored in Random Access Memory (RAM). It reflects the current configuration. Modifying a running configuration affects the operation of a Cisco device immediately. RAM is volatile memory. It loses all of its content when the device is powered off or restarted.

(a)  

Is the primary means of enabling devices to locate one another and establish end-to-end communication on the internet.

(a)  

The structure of an IPv4 address is called dotted decimal notation and is represented by four decimal numbers between

(a)  

are 128 bits in length and written as a string of hexadecimal values. Every four bits is represented by a single hexadecimal digit; for a total of 32 hexadecimal values.

(a)