Huawei H12-821 Online Practice Questions and Exam Preparation

Huawei H12-821 Online Questions & Answers

• Question 91:

  Which of the following attacks is not the network layer attack?

  A. IP spoofing attack
  B. ICMP attack
  C. Smurf attack
  D. ARP spoofing attack
  D. ARP spoofing attack

• Question 92:

  Which of the following statements regarding Local-Preference in BGP is true?

  A. Local-Preference affects traffic that enters an AS.
  B. Local-Preference can be transmitted between ASs.
  C. The default Local-Preference value is 100.
  D. Local-Preference is a well-known mandatory attribute.
  C. The default Local-Preference value is 100.

• Question 93:

  Four routers run ISIS and have established adjacencies.

  The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?

  

  A. 80
  B. 50
  C. 40
  D. 30
  A. 80

• Question 94:

  See the command output of a router below. Which of the following statements is true?

  display ospf interface GigabitEthernet 0/0/0 verbose OSPF Process 1 with Router ID 10.0.2.2 Interface: 10.0.12.2 (GigabitEthernet 0/0/0) Cost: 1 State: BDR Type: Broadcast MTU: 1500 Priority: 1 Designated Router: 10.0.12.1 Backup Designated Router: 10.0.12.2 Timers: Hello 10 , Dead 40 , Poll 120 , Retransmit 5 , Transmit Delay 1

  A. The router ID is 10.0.12.2.
  B. The interface cost is 1500.
  C. This router is a BDR.
  D. The interface IP address is 10.1.12.1.
  C. This router is a BDR.

• Question 95:

  Which of the following statements is false?

  A. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
  B. A device with a higher router priority has a higher election priority.
  C. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
  D. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
  C. When a router with the highest router priority joins an OSPF network, this router will become the new DR.

• Question 96:

  On an enterprise network, the directly connected interfaces of two OSPF routers are on different network segments and have different masks. To establish an OSPF neighbor relationship between the two interfaces, you can change their network types to which of the following?

  A. Point-to-point
  B. NBMA
  C. P2MP
  D. Broadcast
  A. Point-to-point

• Question 97:

  A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?

  A. Voltage monitoring
  B. Temperature monitoring
  C. Fan control
  D. System power-on and power-off control
  A. Voltage monitoring
  B. Temperature monitoring
  C. Fan control
  D. System power-on and power-off control

• Question 98:

  There are two types of BGP peer relationships EBGP : and IBGP . When configuring EBGP, ensure that the peer IP address is routable and the UDP connection can be correctly established.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 99:

  When receiving a packet that does not match any session table entry, the firewall discards the packet to prevent external attacks and ensure internal information security.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 100:

  On a BGP network , a route-policy can be used to modify route attributes. Which of the following statements is false about route-policies ?

  A. When OSPF routes are imported using the import command, a route-policy can be used to change their default MED value .
  B. When direct routes are imported using the import command, a route-policy can be used to filter out the routes that you do not want to advertise.
  C. When routes are imported using the network command, a route-policy cannot be used to modify the attributes of the imported routes.
  D. In the address family view, the peer command can be run to reference a route-policy to modify the local preference of the routes to be advertised.
  A. When OSPF routes are imported using the import command, a route-policy can be used to change their default MED value .