Huawei Routing & Switching H12-261 Questions & Answers

• Question 11:

  When an ABR is attached to an NSSA and translates from type 7 to type 5 LSA, it can aggregate the type 5 LSAs which are converted from type 7 LSAs.

  A. True

  B. False

  Correct Answer: A

• Question 12:

  On an MPLS IBGP VPN, different CEs can use different routing protocols to exchange routing information with the same PE, and the routing protocols used between the CEs and PE are independent of each other.

  A. True

  B. False

  Correct Answer: A

• Question 13:

  When an advertised route is deleted from a BGP router, the BGP router sends an Update packet to withdraw the route. This Update packet carries the well-known mandatory attributes of the route to be withdrawn.

  A. True

  B. False

  Correct Answer: A

• Question 14:

  For Huawei S series switches, to control which member switch becomes the master switch of a stack, first power on the switch you wish to be the master switch, and then wait 20 seconds before powering on the other member switches.

  A. TRUE

  B. FALSE

  Correct Answer: A

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000088745?section=j00b

• Question 15:

  On an MPLS IBGP VPN, if only BGP and LDP are used to distribute labels, a maximum of two MPLS labels are added to packets.

  A. True

  B. False

  Correct Answer: B

• Question 16:

  Assume R1 and R2 have a valid level-2 ISIS peering for IPv6 and the additional configuration shown is applied. Which of the following statements about routing entries on R2 are true?

  

  A. 2022:: /64 will be displayed in the IPv6 routing table.

  B. 2021:: /64 will be displayed in the IPv6 routing table.

  C. 2019:: /64 will be displayed in the IPv6 routing table.

  D. 2020:: /64 will be displayed in the IPv6 routing table.

  Correct Answer: ACD

• Question 17:

  Which of the following route types is used to advertise external routes in BGP EVPN?

  A. Type 2

  B. Type 5

  C. Type 1

  D. Type 4

  E. Type 3

  Correct Answer: B

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100023542? section=j01dandtopicName=bgp-evpn-route-types

• Question 18:

  Which of following statements regarding VRRP groups in load balancing mode are true?

  A. Hosts in the same LAN need to be configured with different virtual routers as their default gateways

  B. At least two virtual routers need to provide forwarding services simultaneously

  C. When configuring the priority, ensure that the same router functions as the master device for three VRRP groups

  D. Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of other VRRP groups

  Correct Answer: ABD

• Question 19:

  Which of the following statements regarding FTP is true?

  A. In FTP passive mode, the client initializes TCP control and data sessions

  B. In FTP active mode, the server uses the PORT command to notify the client of the port through which data is transmitted

  C. FTP always uses a TCP session to transmit control and data information

  D. FTP always uses TCP port 20 to establish a data session and TCP port 21 to establish a control session

  E. FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session

  Correct Answer: C

• Question 20:

  The DSCP value of VoIP traffic on Huawei network devices needs to be set to EF. According to the RFC about DSCP, which value should EF be set to?

  A. 5 in decimal notation

  B. 101110 in binary notation

  C. 0xEF

  D. 36 in decimal notation

  Correct Answer: B