CCNA Switching and Wireless Network Configuration
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Questions and Answers

What is the purpose of DTP?

  • To configure switch interfaces manually
  • To establish a static access link
  • To allow switches to automatically establish a trunk link (correct)
  • To connect host devices like PCs and servers

    • What is the default configuration of switch interfaces?

  • Dynamic desirable
  • Static trunk
  • Dynamic auto (correct)
  • Static access

    • What is the operational mode of a switch interface connected to a host device?

  • Trunk
  • Dynamic desirable
  • Dynamic auto
  • Static access (correct)

    • What determines the default setting of dynamic desirable or dynamic auto on a switch?

    <p>The switch model</p> Signup and view all the answers

    What is the typical default setting for switches used as a core and distribution?

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

    What is one of the benefits of network segmentation?

    <p>Improving manageability of different parts of the network</p> Signup and view all the answers

    Why is it usually easier to isolate problems in a segmented network?

    <p>Because the problem is usually limited to a specific segment</p> Signup and view all the answers

    What is the range of VLAN numbers that can be used?

    <p>2-4094</p> Signup and view all the answers

    What command is used to create a VLAN number and name?

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

    What is the importance of dividing the network into smaller segments?

    <p>To allocate bandwidth more efficiently based on the needs of each segment</p> Signup and view all the answers

    What is the default VLAN number?

    <p>1</p> Signup and view all the answers

    What is the command to check the native VLAN used by an interface?

    <p>show interfaces trunk</p> Signup and view all the answers

    What mode must you be in to change the native VLAN of a trunk interface?

    <p>global configuration mode</p> Signup and view all the answers

    What is the command to set the native VLAN ID on a trunk port?

    <p>switchport trunk native vlan</p> Signup and view all the answers

    What is the requirement for the native VLAN used by interconnected trunk interfaces on the same switch?

    <p>It must be the same</p> Signup and view all the answers

    What type of VLAN can be assigned to a switch interface?

    <p>Only one data VLAN</p> Signup and view all the answers

    What is the purpose of a voice VLAN?

    <p>To transport voice messages</p> Signup and view all the answers

    What is the default VLAN on a Cisco IOS switch?

    <p>VLAN 1</p> Signup and view all the answers

    What is the main purpose of the management VLAN?

    <p>To remotely access the switch over a network for management purposes</p> Signup and view all the answers

    What happens to frames originating from the native VLAN on an 802.1Q trunk link?

    <p>The frames are sent without VLAN headers</p> Signup and view all the answers

    Why is it a bad practice to combine the management VLAN with another VLAN on the network?

    <p>It increases security risks</p> Signup and view all the answers

    What is the command to configure the management VLAN with an IP address and subnet mask?

    <p>SW1(config-if)#ip address 10.0.0.2 255.255.255.0</p> Signup and view all the answers

    Can VLAN 1 be renamed?

    <p>No, it cannot be renamed</p> Signup and view all the answers

    What does the command #show interface switchport show?

    <p>The switchport modes and trunking encapsulation used by the interface</p> Signup and view all the answers

    What must be the same for a trunk link to be operational?

    <p>The trunking encapsulation used by the two interfaces</p> Signup and view all the answers

    What command is used to show the operational trunk interfaces?

    <p>#show interfaces trunk</p> Signup and view all the answers

    What determines the trunking encapsulation used by an interface?

    <p>The switchport mode of the interface</p> Signup and view all the answers

    What is required for a trunk link to be operational?

    <p>Both interfaces must be in trunk mode and use the same trunking encapsulation</p> Signup and view all the answers

    What is the purpose of the #show interface switchport command?

    <p>To verify the trunking encapsulation used by an interface</p> Signup and view all the answers

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