Free Huawei H12-821_V1.0 Exam Dumps Questions & Answers

Which of the following statements regarding the display bgp routing-table command output is true?

• A.  The route to the destination address 192.168.1.0 is not the optimal route in the BGP routing table.
• B.  The MED value of the route to the destination address 192.168.1.0 is 100.
• C.  The route to the destination address 192.168.1.0 is learned through AS 200.
• D.  The route to the destination address 192.168.1.0 is injected into the BGP routing table using the network command.

In BGP, the Origin attribute is used to identify the origin of a route. Which of the following statements are true about the Origin attribute?

• A.  If a route is learned through EGP, the Origin attribute of this BGP route is displayed as ? in the BGP routing table.
• B.  This attribute is a well-known mandatory attribute.
• C.  If multiple routes carry the same destination address but different Origin attributes and all other route selection conditions are the same, BGP selects the optimal route according to the Origin attribute in the following order: IGP > EGP > Incomplete.
• D.  If a route is imported to BGP by the originator using the network command, the Origin attribute of the BGP route is displayed as i in the BGP routing table.

ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

• A.  By default, when status detection is disabled and the permit policy is configured packets can pass.
• B.  Packets must pass the firewall, and a session table is established.
• C.  If the firewall security policy permits packets to pass, the packets can pass the firewall.
• D.  If the firewall security policy permits packets to pass, the session table is created.

When deploying a VRRP network, an enterprise administrator sets the virtual IP address to
192.168.1.254 and VRID to 1. Which of the following is the virtual MAC address after the network becomes stable?

• A.  0000-5e00-0254
• B.  0000-5e01-0101
• C.  0000-5e00-0101
• D.  0000-5e01-0254

IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

• A.  TRUE
• B.  FALSE