CompTIA Network+: Ethernet Switching & Wireless Standards

 

Question:

In the 2.4 GHz frequency band, which channels would not overlap with each other?

• 1 and 6

• 6 and 11

Question

:

Which protocol or port configuration option on a switch is typically used for monitoring and diagnostic purposes?

• Port mirroring

Question

:

Which type of resolution or mapping is performed by the Address Resolution Protocol?

Answer B.

• IPv4 addresses to MAC addresses

Question

:

Which statements accurately describe the nature of a MAC address?

• They are written into the code of the interface

• They never change

• They operate at the Data-link layer of the OSI model

Question

:

The Neighbor Discovery Protocol would be most accurately described in which manner?

• It is the IPv6 equivalent of the Address Resolution Protocol

Question

:

Which benefits did the 2.4 GHz frequency offer over 5 GHz?

• Better coverage

• Better penetration of obstacles

Question

:

Which scenario would most accurately reflect the nature of MU-MIMO in wireless communications?

• Many people on a conference call

Question

:

VLANs are created and configured in which manner?

• By configuring switch port interfaces

Question

:

In the 2.4 GHz frequency band, how many bonded pairs could be configured within the entire range?

• 1

Question

:

Which type of antenna could be envisioned as producing a “slice” of coverage in front of you, and a slice of coverage behind you?

• Bi-directional

Question

:

A voice VLAN is typically implemented for which purpose?

• To give voice packets a higher priority than data packets

Question

:

In the event of a collision on an ethernet network, CSMA/CD specifies that which process or procedure take place?

• Transmitting and receiving devices should retransmit at random intervals

Question

:

Which encryption standard can provide managed access through a centralized server?

• WPA2

Question

:

The SSID of a wireless network would be best described in which manner?

• The collection of all devices connected to all access points

Question

:

What is the primary characteristic of 802.11 communications that determines if one variety is compatible with another?

• Frequency

Question

:

Power over Ethernet plus (PoE+) is capable of handling what level of power?

Answer B.

• 30 watts

Question

:

The spanning tree protocol addresses which potential issue in a networking environment?

• Switching or bridging loops

Question

:

Which type of multiple access method is used by LTE (4G)?

• OFDMA

Categories: CompTia Network+