On the network shown in the figure, the router receives a data packet with the destination IP address 11.0.12.1 from Host A.

After the packet is forwarded by the router, which of the following are the destination MAC address and destination IP address of the data packet?

• A.MAC-C, 11.0.12.1
• B.MAC-D, 11.0.12.1
• C.MAC-B, 11.0.12.1
• D.MAC-D, 10.0.12.2

Comment: *

Name: *

Email: *

Verification: *

As shown in the figure, the host has ARP cache. Host A sends a data packet to host B.
Which of the following are the destination MAC address and destination IP address of the data packet?

• A.MAC-C, 11.0.12.1
• B.MAC-C, 10.0.12.2
• C.MAC-B, 11.0.12.1
• D.MAC-A, 11.0.12.1

Comment: *

Name: *

Email: *

Verification: *

The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()?
(Multiple Choice Questions)

• A.The source mac address learned from the port is 5489-9811-0b49. The data frame with the destination mac address 5489-989d-1d30 is forwarded from the Eth0/0/2 port
• B.The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of
  5489-989d-1d30 learned from the port is forwarded from the Eth0/0/1 port
• C.When the switch restarts, the mac address learned by port Eth0/0/3 needs to be re-learned
• D.When the switch restarts, the mac address learned by port Eth0/0/2 does not need to be relearned

Comment: *

Name: *

Email: *

Verification: *

The IPv4 address assigned by the network administrator to a host in the network is 192.168.128, how many more hosts can be added to the network where this host is located? ()

• A.12
• B.13
• C.15
• D.14

Comment: *

Name: *

Email: *

Verification: *

The following description of the specified port of the spanning tree is correct.

• A.The port on the root switch must be a designated port
• B.Each switch has only one designated port
• C.The port on the root switch must not be a designated port
• D.The designated port can forward configuration BPDU packets to the network segment connected to it

Comment: *

Name: *

Email: *

Verification: *