Huawei H12-821 Online Practice Questions and Exam Preparation

Huawei H12-821 Online Questions & Answers

• Question 231:

  A switch running a later IGMP version can identify Report messages of an earlier IGMP version, but the switch running an earlier IGMP version cannot identify Report messages of a later IGMP version. To ensure that IGMP runs properly, you are advised to set the IGMP version on the switch to be the same as or later than the IGMP version of member hosts.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 232:

  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?

  A. ICMP ping packet
  B. GRE packet
  C. Subsequent fragment
  D. UDP packet
  C. Subsequent fragment

• Question 233:

  On an IS-IS network, the length and components of a NET are the same as those of an NSAP . Which of the following NET fields is used to uniquely identify a host or router in an area?

  A. System ID
  B. IDI
  C. SEL
  D. Area Address
  A. System ID

• Question 234:

  A network entity title consists of an area address and a system ID. It is a special NSAP (the SEL has a fixed value of 00) and is mainly used for route calculation.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 235:

  A filter named si is configured on a device using the as-path-filter command and is applied to a specified BGP peer. The detailed configurations are as follows:

  [SW1] ip as-path-filter si permit _65500$ [SW1] bgp 65100 [SW1-bgp] ipv4-family unicast [SW1-bgp-af-ipv4] peer 10.1.1.2 as-path-filter si import

  After the configuration is complete, which of the following statements is true about the way the local device processes the routes received from the peer?

  A. It accepts only the routes whose AS_Path contains AS 65500.
  B. It accepts only the routes originated from AS 65500.
  C. It accepts only the routes that last pass through AS 65500.
  D. It accepts only the routes forwarded by AS 65500.
  C. It accepts only the routes that last pass through AS 65500.

• Question 236:

  Which of the following values is the Reserved/Circuit Type field in the IIH packets sent by a Level-1-2 router on an IS-IS network?

  A. 00
  B. 11
  C. 01
  D. 10
  B. 11

• Question 237:

  In the VRP, by default, the routes imported by BGP will be automatically summarized.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 238:

  A campus network uses OSPF for network communication. The display ospf peer command is run on a router, and the command output is as follows: display ospf peer OSPF Process 1 with Router ID 10.0.2.2 Area 0.0.0.0 interface 10.0.235.2 (GigabitEthernet0/0/1)'s neighbors Router ID: 10.0.5.5 Address: 10.0.235.5 State: Full Mode: Nbr is Master Priority: 1 DR: 10.0.235.5 BDR: 10.0.235.3 MTU: 0 Dead timer due in 40 sec Area 0.0.0.0 interface 10.0.24.2 (Serial1/0/1)'s neighbors Router ID: 10.0.4.4 Address: 10.0.24.4 State: Full Mode: Nbr is Master Priority: 1 DR: None BDR: None MTU: 0 Dead timer due in 35 sec Which of the following statements are true about the device?

  A. The IP address of the DR on the network where R2 and its neighbor 10.0.5.5 reside is 10.0.235.5.
  B. R2 has established adjacencies with 10.0.5.5 and 10.0.4.4.
  C. The DR/BDR election fails on the network where R2 and its neighbor 10.0.4.4 reside.
  D. Router IDs of the two OSPF neighbors of R2 are 10.0.5.5 and 10.0.4.4.
  A. The IP address of the DR on the network where R2 and its neighbor 10.0.5.5 reside is 10.0.235.5.
  B. R2 has established adjacencies with 10.0.5.5 and 10.0.4.4.
  D. Router IDs of the two OSPF neighbors of R2 are 10.0.5.5 and 10.0.4.4.

• Question 239:

  The Next_Hop attribute in BGP records the next hop of a route. Similar to the next hop in an IGP, the Next_Hop attribute in BGP must be the IP address of a peer interface.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 240:

  On an RSTP network, if a port receives an RST BPDU and finds that its buffered RST BPDU is superior to the received RST BPDU, the port discards the received RST BPDU without responding.

  A. TRUE
  B. FALSE
  A. TRUE