Introduction to Routers
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Questions and Answers

What is Cisco IOS primarily used for in Cisco devices?

  • Enabling basic routing and switching functions (correct)
  • Managing network scalability
  • Configuring network access controls
  • Providing network security

How is the Cisco IOS typically accessed?

  • Via a web-based interface
  • Using a command-line interface (CLI) (correct)
  • Through a third-party application
  • Through a graphical user interface

Where is the IOS file typically stored?

  • In a temporary memory area
  • On an external hard drive
  • On a CD-ROM
  • In a semipermanent memory area called flash (correct)

What are the two forms of IOS?

<p>Compressed and uncompressed (A)</p> Signup and view all the answers

What is one of the services provided by Cisco IOS?

<p>Reliable and secure access to networked resources (A)</p> Signup and view all the answers

What is the primary function of flash memory?

<p>To provide non-volatile storage (A)</p> Signup and view all the answers

What is the purpose of the console port on a router or switch?

<p>To provide out-of-band access to a router (B)</p> Signup and view all the answers

What type of connection is used to directly connect a computer or terminal to the console port?

<p>Low-speed serial connection (D)</p> Signup and view all the answers

What is the other name for a console session?

<p>CTY line (A)</p> Signup and view all the answers

What type of module is WIC-1T?

<p>Network Module (B)</p> Signup and view all the answers

What is the purpose of the AUX port?

<p>To connect to a modem (A)</p> Signup and view all the answers

What is the purpose of the CLI environment?

<p>To configure and manage network devices (A)</p> Signup and view all the answers

What is one of the scenarios where a console cable is used?

<p>Initial configuration of a network device (A)</p> Signup and view all the answers

What is the function of the Telnet server process in Cisco IOS devices?

<p>To start a Telnet client on the router (D)</p> Signup and view all the answers

What is the benefit of using SSH over Telnet?

<p>SSH encrypts all communications between the client and the IOS device (D)</p> Signup and view all the answers

What is the purpose of the auxiliary (AUX) port on a router?

<p>To establish a CLI session remotely through a telephone dialup connection (A)</p> Signup and view all the answers

What is a vty session?

<p>A virtual teletype interface created in a router for a Telnet session (A)</p> Signup and view all the answers

What is the difference between Telnet and SSH?

<p>SSH is more secure than Telnet (C)</p> Signup and view all the answers

What is the purpose of using the AUX port locally?

<p>When there are problems using the console port (B)</p> Signup and view all the answers

What type of device is typically at the WAN customer or user end of the link?

<p>DTE - Data Terminal Equipment (B)</p> Signup and view all the answers

What contains the Cisco IOS Software commands used to customize the functionality of a Cisco device?

<p>Configuration files (C)</p> Signup and view all the answers

What is parsed by the Cisco IOS Software when the system is booted?

<p>Startup-config file (C)</p> Signup and view all the answers

What device supplies clocking services to another device?

<p>DCE - Data Communications Equipment (A)</p> Signup and view all the answers

How many types of software does a network device depend on for its operation?

<p>Two (B)</p> Signup and view all the answers

What is the purpose of the startup configuration file?

<p>To configure the device during system startup (C)</p> Signup and view all the answers

Where is the startup configuration file stored?

<p>In nonvolatile RAM (NVRAM) (B)</p> Signup and view all the answers

What happens when the network administrator performs device configuration?

<p>The running configuration file is modified (B)</p> Signup and view all the answers

What is the running configuration file used for?

<p>To operate the network device (B)</p> Signup and view all the answers

What happens when changes are made to the running configuration file?

<p>The changes immediately affect the operation of the Cisco device (D)</p> Signup and view all the answers

What is the relationship between the running configuration file and the startup configuration file?

<p>The running configuration file is used during the current operation of the device and the startup configuration file is used during system startup (B)</p> Signup and view all the answers

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