Huawei H12-221-ENU HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Online Training
Huawei H12-221-ENU Online Training
The questions for H12-221-ENU were last updated at Apr 24,2024.
- Exam Code: H12-221-ENU
- Exam Name: HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)
- Certification Provider: Huawei
- Latest update: Apr 24,2024
The differences between IGMP versions are: (Multiple Choice)
- A . IGMPv1/v2 cannot elect the querier on its own, but IGMPv3 can.
- B . For members leaving, IGMPv2/v3 can leave actively, but IGMPv1 cannot.
- C . IGMPv1/v2/v3 cannot support the SSM model.
- D . IGMPv1 does not support specific group queries but IGMPv2 support.
Different port roles are defined in the RSTP protocol, the role of the port that cannot be in the forwarding state is: (Multiple Choice)
- A . Root Port
- B . Designated Port
- C . Backup Port
- D . Alternate Port
About the definition of router roles within or between OSPF areas, which is correct? (Multiple Choice)
- A . Internal router: refers to the router whose all interfaces belong to the same area.
- B . ABR: A router that connects one or more areas and connects to the backbone area. These routers act as routing gateways for inter-domain communication.
- C . Backbone router: refers to a router that has at least two interfaces that belong to the backbone area.
- D . ASBR: It can be an internal router, a backbone router, or a regional edge router.
In a network running STP, multiple topology change informations are sent when the network topology changes. How many kinds of topology change informations are defined in the RSTP network?
- A . One kind
- B . Two kinds
- C . Three kinds
- D . Four kinds
What are the major parts of the SNAP address used by the IS-IS protocol? (Multiple Choice)
- A . AREA ID
- B . DSCP
- C . SYSTEM ID
- D . SEL
The following is part of the router RTA configuration, for the configuration description of this part, the correct is: (Multiple Choice)
- A . A. Disable OSPF packet sending on interface gigabitethernet 1/0/0
- B . The interface cannot send HELLO messages
- C . The direct route of interface gigabitethernet 1/0/0 can still be advertised
- D . Cannot form a neighbor relationship with the directly connected neighbor on this interface.
In which of the following states do BGP peers refuse to initiate or accept connection requests?
- A . Established
- B . Idle
- C . Active
- D . OpenConfirm
Which statements about OSPF packets are true? (Select 2 answers)
- A . Hello packets can be sent immediately after the interface joined OSPF area.
- B . After received LS Update packets, the router must send LSAck for confirming.
- C . LS Update messages synchronize the link state database by sending detailed LSAs.
- D . LS Update packets are sent only after an adjacency is established.
In the RSTP protocol, the uplink port of the non-root switch has the parameter of the port identifier. The port identifier consists of two parts, they are:
- A . One-byte port priority and one-byte port number
- B . One-byte port priority and two-byte port number
- C . Two-byte port priority and one-byte port number
- D . Two-byte port priority and two-byte port number
Since the AS-PATH attribute cannot be function within the AS, it is specified that the BGP router will not advertise any updates from the IBGP peer to its IBGP peers.
- A . True
- B . False
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