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</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</p> Signup and view all the answers

    What is the primary function of flash memory?

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

    What is the other name for a console session?

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

    What type of module is WIC-1T?

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

    What is the purpose of the AUX port?

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

    What is the purpose of the CLI environment?

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

    What is the difference between Telnet and SSH?

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

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

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

    What device supplies clocking services to another device?

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

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

    <p>Two</p> Signup and view all the answers

    What is the purpose of the startup configuration file?

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

    Where is the startup configuration file stored?

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

    What happens when the network administrator performs device configuration?

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

    What is the running configuration file used for?

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

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