Huawei H12-821_V1.0 Exam Dumps

On an enterprise WLAN where Portal authentication is deployed, an AC functions as an access device and communicates with a Portal server using the Portal protocol. Which of the following statements are true about the Portal protocol?

AThe HTTP or HTTPS protocol can be used as the Portal access or authentication protocol.

BBy default, the access device processes Portal protocol packets through port 2000.

CBy default, the device uses the destination port number 50100 to proactively send packets to the Portal server.

DPortal protocol packets are transmitted over TCP.

Question 2

When a packet passes through a firewall, the firewall creates a session connection for the packet to guide subsequent forwarding of the packet. However, the firewall does not create session entries for all packets. For which of the following packets does the firewall not create session entries when the packet reaches the firewall?

AICMP ping packet

BGRE packet

CSubsequent fragment

DUDP packet

Question 3

The Internet Assigned Numbers Authority (IANA) allocates Class D addresses to IPv4 multicast. An IPv4 address is 32 bits long, and the four most significant bits of a Class D address are 1110.

ATRUE

BFALSE

Question 4

On an STP network, only the designated port processes inferior BPDUs. On an RSTP network, a port with any role processes inferior BPDUs.

ATRUE

BFALSE

Question 5

Link aggregation is a common network technology. Which of the following are advantages of link aggregation?

ALoad balancing

BImproved reliability

CIncreased link bandwidth

DRoute backup

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