How mac address table filled ?

Destination Mac & incoming port

Destination Mac & outgoing port

Assuming that SWA is just started and its MAC address table is empty, if Host A sends a data frame with the destination MAC address of MAC- B, which of the following statements is true?

The switch floods the data frame.

SWA forwards the data frame through G0/0/2.

SWA forwards the data frame through G0/0/3

On the network shown in the figure, the ports connecting switch A and switch B to hosts belong to VLAN 10 and VLAN 20 respectively. The ports through which the two switches are interconnected are trunk ports, and the PVIDs of the ports are 10 and 20, respectively. Which of the following statements are true

Host A & Host B can ping Each other

when the data frame sent by the hosts are forwarded between the swithces. the frame are untagged

Host A & B belong to different VLAN and cannot ping each other

ARP host A cannot be forwarded to host B

Which of the following statements regarding the “port trunk allow-pass vlan all" command is true?

The specified port allows all VlAN iDs to pass through.

The peer port connected to this port must have the same porttninka\low-pass vlan all command configured

The peer device connected to this port can dynamically determine which VLAN iDs are alknved to pass throtsgh.

If the port default vlan 3 command is fun on the connected remote device, VLAN 3 will be blocked between the two devices

What is the characteristic of Bridge ID

Bridge ID is Priority of the device + Mac Address

Only Switches can have Bridge ID

Only Routers can have Bridge ID

As shown in the figure, STP has been enabled on the two switches. Which of the following statements are true

the two port of switch A is designated Port

G0/0/3 of switch A is Forwarding State

G0/0/2 of switch Bis Forwarding State

G0/0/3 of switch B is Forwarding State

the two port of switch B is designated Port

Which of the following descriptions regarding the STP Learning state is correct

Can process BPDU and learning Mac but cannot forward BPDU

Can proces BPDU and Learning Mac and Can forward the BPDU

Cannot Process BPDU but Learning Mac and cannot Forward the BDU

cannot process BPDU and cannot learning MAC but can forward BPDU

On the switching network shown in the figure, all switches run STP and other configurations of the switches retain factory settings. When the network topology is stable, which of the following statements are true

SWA is the root bridge of the network

G0/0/2 and G0/0/3 On switch A is Designated port

G0/0/3 and G0/0/1 on SW B are in forwarding state

SWB is the root bridge of the network

G0/0/1 and G0/0/2 on Swtich C are in forwaring state

The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489-9885-18a8 from port Eth0/0/2, which of the following statements is correct?

Forward this data frame from the Eth0/0/2 port

Forward this data frame from Eth0/0/1 port

Which of the following networks belong to a local area network?

Broadband Metropolitan Area Network

In the network shown in the figure, which of the following description is correct?

The network between SWA and SWC is the same conflict domain

The network between SWA and SWC is the same broadcast domain

The network between RTA and SWC is the same conflict domain

The network between SWA and SWB is the same broadcast domain

As shown in the figure below, all hosts can pass normally, so what is correct about the correspondence between the MAC address and the port in the MAC table of the SWB?

MAC-A G0/0/3, MAC-B G0/0/3, MAC-C GO/0/1

MAC-A G0/0/2, MAC-B G0/0/2, MAC-C G0/0/3

MAC-A G0/0/1, MAC-B G0/0/1, MAC-C G0/0/3

MAC-A G0/0/1, MAC-B G0/0/2, MAC-C G0/0/3

Data-Link Layer

Authored by Gumball sadas

Computers

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the advantage of a Switch compared to a HUB?

Low Cost

Occur Collision Domain

Detection Collision Domain

Connecting hosts

set of nodes connected to the same shared medium

MULTIPLE SELECT QUESTION

1 min • 1 pt

How the switch works to prevent CD ?

Listen Before Sending

Listen While Sending

Instability

Resend After Delay

MULTIPLE CHOICE QUESTION

1 min • 1 pt

which does not include Frame Processing Behaviors of a Switch?

Flooding

Fowarding

Discarding

Broadcasting

MULTIPLE SELECT QUESTION

1 min • 1 pt

Statement about MAC addresses and IP Address are true ?

MAC addresses are unique

IP addresses are changeable.

IP addresses are assigned based on network topology

MAC addresses cannot be changed.

IP Addresses cannot be changed

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the length of MAC Address

128 Bits

32 Bits

48 Bits

12 Bits

MULTIPLE SELECT QUESTION

1 min • 1 pt

Unusable MAC address ?

FF-FF-FF-FF-FF-FF

00-AA-BB-CC-DD-EE

01-AA-BB-CC-DD-EE

02-AA-BB-CC-DD-EE

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Max length of ethernet frame ?

1500

1480

1520

1518

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Data-Link Layer

What is the advantage of a Switch compared to a HUB?

How the switch works to prevent CD ?

which does not include Frame Processing Behaviors of a Switch?

Statement about MAC addresses and IP Address are true ?

What is the length of MAC Address

Unusable MAC address ?

Max length of ethernet frame ?

How mac address table filled ?

After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.

The ARP protocol can resolve the MAC address of a destination device from the corresponding destination IP address, mapping the MAC address and IP

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