NAPT uses the same public IP address but different port numbers to translate private IP addresses. Which statement regarding the port number is correct?

• A.It is necessary to configure port number mapping manually.
• B.It is only necessary to configure the port number range.
• C.It is not necessary to configure port numbers.
• D.An access control list is needed to assign port numbers.

Comment: *

Name: *

Email: *

Verification: *

As shown in the figure below, the switch starts the STP protocol. When the network is stable, which of the following statements are correct? (Multiple Choice)

• A.SWB is the root bridge in this network
• B.Both ports of SWC are in Forwarding state.
• C.Both ports of SWB are in Forwarding state.
• D.SWA is the root bridge in this network

Comment: *

Name: *

Email: *

Verification: *

The output information of the router R1 routing table is as follows. Which of the following statements are correct? (Multiple Choice)

• A.The packet with the destination address of 10.0.1.1 is forwarded through the Ethernet0/0/0 interface.
• B.The packet with the destination address of 10.0.2.1 is forwarded through the Ethernet0/0/2 interface.
• C.The packet with the destination address of 10.0.2.2 is forwarded through Ethernet0/0/1.
• D.The packet with the destination address of 10.1.1.1 is forwarded through the GigabitEthernet0/0/0 interface.

Comment: *

Name: *

Email: *

Verification: *

The OSPFv3 adjacency cannot be established. Which of the following reasons might be caused? (Muitiple choice)

• A.Inconsistent area numbers
• B.Router-ID conflict
• C.HELLO packet sending period is inconsistent
• D.Interface IPv6 address prefix is inconsistent

Comment: *

Name: *

Email: *

Verification: *

The router R1 routing table output information is as follows, which is correct? (Muitiple choice)

• A.The packet with the destination network of 11.0.0.0/8 will be forwarded from the GigabitEthernet0/0/0 interface of the router.
• B.The packet with the destination network of 12.0.0.0/8 will be forwarded from the Ethernet0/0/0 interface of the router.
• C.The router will drop the packet with the destination network of 11.0.0.0/8.
• D.The router forwards the packet with the destination network of 12.0.0.0/8.

Comment: *

Name: *

Email: *

Verification: *