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Huawei H12-221-ENU Exam Syllabus Topics:

Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

1. Regarding port isolation, which of the following statement is wrong?

A) Port isolation can be isolated based on VLANs.
B) Port isolation is an access control security control mechanism between switch ports.
C) Clients wishing to access PCs from different ports cannot communicate with each other, which can achieve through port isolation.
D) Port isolation is isolation of physical layer.

2. AS border router can be an internal router IR or ABR and must belong to the backbone area.

A) FALSE
B) TRUE

3. MSTP solves a lot of defects of RSTP and STP single spanning tree. As for the description of MSTP, the correct ones are:

A) By default, all VLANs are mapped to MST Instance 1.
B) MSTP allows one or more VLANs to be mapped to an MST instance. MSTP calculates the root switch for each MST instance and sets the port status.
C) Each MST instance uses a separate STP algorithm to compute a separate spanning tree.
D) Each MST Instance has an identifier (MSTID), and the MSTID is a one-byte integer.

4. Which of the following BGP attributes are unique to Huawei?

A) Origin
B) prefVal
C) AS-PATH
D) MED

5. In the process of BGP neighbor establishment, when the TCP cannot be established successfully, what is the state of the neighbor?

A) OpenSent
B) Idle
C) Establish
D) Active

Solutions: