Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 291:

  On an MPLS network, an LSR ID uniquely identifies an LSR. An LSR ID defaults to the IP address of a physical interface on a device and can be manually set to a loopback interface address. Options:

  A. TRUE
  B. FALSE
  A. TRUE

• Question 292:

  BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update packet.

  A. True
  B. False
  B. False

• Question 293:

  BFDLink state detection at the heart (millisecond) level can be achieved.

  A. right
  B. wrong
  A. right

• Question 294:

  In CE multi-homing scenarios, if BGP AS number substitution is enabled on PEs, you can run the peer soo command on the EBGP peers of the PEs and CE to configure the Site of Origin (SoO) attribute to prevent loops.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 295:

  IPSG is a source IP address filtering technology based on Layer 3 interfaces. It prevents malicious hosts from forging authorized hosts' IP addresses to access authorized network resources.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 296:

  R1 executes the operation ping -a lO.l.Ll 10.5.16.2, what is the meaning of this command?

  A. pingpackage sourceIPaddress isR1any direct interface address of
  B. pingpackage sourceIFPaddress isR1direction10.5.16.2the optimalIPThe outgoing interface address of the route, and is not 10.1.1.1
  C. pingpackage sourceIPaddress is10.1.1.1
  D. pingPurpose of the packageIPaddress is10.1.1.1and10.5.16.2
  C. pingpackage sourceIPaddress is10.1.1.1

• Question 297:

  Which statement about DHCP Snooping is wrong?

  A. DHCP SnoopingYou can prevent illegal attacks by setting trusted ports (all interfaces are untrusted by default mouth)
  B. Global enableDHCP Snoopingfunction, without any post-parameters, the device only processes by default DHCPv4message
  C. Enable in interface viewDHCP Snoopingfunction, then all theDHCPThe message command function takes effect
  D. existVLANEnable in viewDHCP Snoopingfunction, then all interfaces of the device receive data belonging to thisVLANofDHCPThe message command function takes effect
  A. DHCP SnoopingYou can prevent illegal attacks by setting trusted ports (all interfaces are untrusted by default mouth)

• Question 298:

  On the IS-IS network shown in the figure, R1 imports a default route using the default- route-advertise always level-1 command. Which of the following routers have the default route in their routing tables?

  

  A. R2
  B. R4
  C. R3
  D. R1
  A. R2
  C. R3
  D. R1

• Question 299:

  Which of the following statements is false when troubleshooting the dual-active failure of a VRRP backup group?

  A. No need to check deliveryVRRPWhether the switch port of the advertisement message is in the sameVLAN
  B. need to check the interfaceVRRPGroupIDIs it the same
  C. Interface needs to be checkedIPWhether the address is in the same network segment
  D. need to checkVRRPgroup of virtualIPIs the address the same
  A. No need to check deliveryVRRPWhether the switch port of the advertisement message is in the sameVLAN

• Question 300:

  As shown in the figure, R1, R2, R3, and R4 are in the same PLs domain, and LDP is used to distribute IPLS labels between devices. R4 is the Egress LSR of the FEC 4.4.4.0/24. If you want to achieve R1 access 4.4.4.0/24, R4 does not need to query the label table but can know the forwarding priority of the data, then the outgoing label of R3 for the FEC should be:____. (Please fill in the Arabic numerals directly, without symbols)

  

  B. 1
  C. 2
  D. 3
  A