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

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

<p>Dynamic desirable (A)</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 (A)</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 (D)</p> Signup and view all the answers

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

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

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

<p>vlan (A)</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 (D)</p> Signup and view all the answers

What is the default VLAN number?

<p>1 (A)</p> Signup and view all the answers

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

<p>show interfaces trunk (C)</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 (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

What is the purpose of a voice VLAN?

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

What is the default VLAN on a Cisco IOS switch?

<p>VLAN 1 (D)</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 (D)</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 (D)</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 (A)</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 (B)</p> Signup and view all the answers

Can VLAN 1 be renamed?

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

What command is used to show the operational trunk interfaces?

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

What determines the trunking encapsulation used by an interface?

<p>The switchport mode of the interface (D)</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 (C)</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 (D)</p> Signup and view all the answers

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