Huawei H12-221-ENU real exam prep : HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)

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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. In static LACP mode, the active interfaces selected by the devices at both ends must be the same; otherwise, the link aggregation group cannot be established. However, one end can be designated as the active end, and the other end can only select the corresponding active interface according to the high-priority end.So how to choose the active end in static LACP mode?

A) Select the smaller end of the MAC address as the active end at both ends.
B) Select the system LACP priority at the two ends as the active end. If the system LACP priority is the same, select the one with the lower MAC address as the active end.
C) Select one of the two devices with the higher LACP priority as the active end. If the LACP priority of the system is the same, select the one with the higher MAC address as the active end.
D) Select the lower LACP priority of the two devices as the active end. If the LACP priority of the system is the same, select the end with the smaller IP address as the active end.

2. MSTP has different port roles. Which of the following statements are correct? (Multiple choice)

A) When the MSTP calculation is performed, the role of the domain edge port on the MSTI is different from that of the CIST instance.
B) Backup port as a backup of the root port, providing another switchable path from the designated bridge to the root.
C) The internal path cost saved by the edge port of the domain is greater than the internal path cost saved by the non-domain edge port.
D) The master port is a special domain edge port. The role of the master port on the CIST is the root port. The role of the master port is the master port.

3. Which of the following description of BGP features is wrong?

A) BGP has a rich route filtering and routing strategy.
B) BGP is an external routing protocol used to transfer routing information between ASs.
C) BGP supports CIDR.
D) BGP is a link state protocol.

4. Which of the following description about OSPF default route is wrong?

A) OSPF default route is that ASBR can advertise Type 5 external default ASE LSAs or Type 7 external default NSSA LSAs to instruct the routers in the autonomous system (AS) to forward the packets outside AS.
B) When the router does not have a precisely matched route, it can forward packets through the default route.
C) Due to the OSC management by the OSPM, the Type 5/7 default route has a higher priority than the Type 3 route.
D) OSPF default route can be advertised by the ABR to Type3 Default Summary LSA to guide routers in the area to forward packets between areas.

5. A switch runs MSTP. The relevant configuration information is shown in the figure. According to the configuration of the command, it indicates that for Instance 1, the role of the switch is:

A) Slave switch
B) Cannot judge
C) Non-root switch
D) Root switch

Solutions: