CompTIA Network+ Ethernet Switching and VLANs Questions and Answers

Question 1

A network technician is configuring a switch port that will connect to another switch.
The link needs to carry traffic for multiple VLANs simultaneously.
Which type of port configuration should the technician use?

Accepted Answer

Trunk port

Answer

Access port

Answer

Spanning Tree port

Answer

Mirrored port

Question 2

Which IEEE standard defines the protocol for VLAN tagging, which adds a 4-byte header to an Ethernet frame to identify the VLAN?

Accepted Answer

802.1Q

Answer

802.3af

Answer

802.11ac

Answer

802.1D

Question 3

A network administrator is configuring a trunk link between two switches. The administrator wants to specify a VLAN that will handle all untagged traffic. What is this type of VLAN called?

Accepted Answer

Native VLAN

Answer

Default VLAN

Answer

Management VLAN

Answer

Tagged VLAN

Question 4

In a switched network with redundant links between switches, which protocol is used to prevent switching loops and broadcast storms by logically blocking certain paths?

Accepted Answer

STP (Spanning Tree Protocol)

Answer

VTP (VLAN Trunking Protocol)

Answer

LACP (Link Aggregation Control Protocol)

Answer

DTP (Dynamic Trunking Protocol)

Question 5

A junior technician is configuring two Cisco switches to automatically negotiate a trunk link between them. One switch port is configured with the Dynamic Trunking Protocol (DTP) mode 'dynamic desirable'. For a trunk link to be successfully formed, which DTP mode can the port on the second switch be configured to?

Accepted Answer

Dynamic Auto

Answer

Access

Answer

Spanning Tree

Answer

VTP Client

Question 6

A network administrator wants to centrally manage VLAN information (creation, deletion, and renaming) and have those changes automatically propagated to all other switches in the network. Which Cisco proprietary protocol facilitates this function?

Accepted Answer

VTP (VLAN Trunking Protocol)

Answer

STP (Spanning Tree Protocol)

Answer

DTP (Dynamic Trunking Protocol)

Answer

LACP (Link Aggregation Control Protocol)

A network technician is configuring a switch port that will connect to another switch.The link needs to carry traffic for multiple VLANs simultaneously.Which type of port configuration should the technician use?

A network technician is configuring a switch port that will connect to another switch.
The link needs to carry traffic for multiple VLANs simultaneously.
Which type of port configuration should the technician use?