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Guide for H12-821_V1.0: Huawei HCIP-Datacom-Core Technology V1.0

Quiz H12-821_V1.0: Huawei HCIP-Datacom-Core Technology V1.0

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/ 10

Quiz

1/10
A router performs a lookup in its FIB table for a packet. If the tunnel ID in the matching entry is 0, the
packet needs to be forwarded through a tunnel, such as an MPLS tunnel.
Select the answer
1 correct answer
A.
TRUE
B.
FALSE

Quiz

2/10
DRAG DROP
Huawei modular devices have multiple hardware modules that provide different functions. Match


the following hardware modules with their functions.

Certification Exam H12-821_V1.0: Huawei HCIP-Datacom-Core Technology V1.0 Huawei Huawei-H12-821_V1.0 1-2097899548
Select the answer
1 correct answer
The hardware modules of Huawei modular devices and their functions are:
Main Processing Unit (MPU): Provides control and management planes for the entire system,
responsible for protocol processing, system security, and software upgrades.
Switch Fabric Unit (SFU): Provides the data plane, enabling high-speed data switching between
service modules.
Line Processing Unit (LPU): Manages data forwarding, offering various interfaces (optical and
electrical) for data access.

Quiz

3/10
On an OSPF network, one router with P2P as the network type is directly connected to another
router with P2MP as the network type. If the Hello intervals on the two routers are changed to be
the same, neighbor relationship establishment and LSDB synchronization are not affected.
Select the answer
1 correct answer
A.
TRUE
B.
FALSE

Quiz

4/10
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?
Select the answer
1 correct answer
A.
Point-to-point
B.
NBMA
C.
P2MP
D.
Broadcast

Quiz

5/10
On an OSPF network, an algorithm is used to prevent loops within an area, but loops may occur
between areas. Therefore, OSPF defines a loop prevention mechanism for inter-area routes. Which
of the following statements are true about the loop prevention mechanism?
Select the answer
4 correct answers
A.
Inter-area routes cannot be directly transmitted between non-backbone areas.
B.
All non-backbone areas must be directly connected to area 0.
C.
Inter-area routes need to be forwarded through area 0.
D.
An ABR cannot inject Type 3 LSAs that describe routes to a network segment in an area back to the same area.

Quiz

6/10
OSPF has five types of packets, which have the same header format. If the Auth Type field in the
packet header is 1, which of the following authentication modes is used?
Select the answer
1 correct answer
A.
Non-authentication
B.
MD5 authentication
C.
Plaintext authentication
D.
Hash authentication

Quiz

7/10
On an OSPF network, if a router receives an update of an LSA that exists in the local LSDB, the router
updates the LSDB and floods the LS
Select the answer
1 correct answer
A.
TRUE
B.
FALSE

Quiz

8/10
An enterprise uses OSPF to implement network communication. To ensure data validity and security,
all authentication modes supported by OSPF are enabled on routers. In this case, interface
authentication is preferentially used by the routers.
Select the answer
1 correct answer
A.
TRUE
B.
FALSE

Quiz

9/10
The following figure shows the OSPF network of an enterprise and the OSPF configurations of R1.


Which of the following statements is false about the network?

Certification Exam H12-821_V1.0: Huawei HCIP-Datacom-Core Technology V1.0 Huawei Huawei-H12-821_V1.0 2-2946805704
Select the answer
1 correct answer
A.
R2 can access the server.
B.
GE 0/0/1 of R1 cannot send OSPF packets.
C.
The network segment to which GE 0/0/1 of R1 belongs cannot be advertised.
D.
GE 0/0/1 of R1 cannot accept OSPF packets.

Quiz

10/10
On an OSPF network, if two routers with the same router ID run in different areas and one of the
routers is an ASBR, LSA flapping occurs.
Select the answer
1 correct answer
A.
TRUE
B.
FALSE
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  • Quiz name:H12-821_V1.0: Huawei HCIP-Datacom-Core Technology V1.0
  • Total number of questions:219
  • Number of questions for the test:50
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