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

1. Both policy routing and routing policy can affect the forwarding process of packets, but their impact on the package is different. Policy routing is based on policy-based forwarding. After the failure, the routing table is forwarded. Based on the forwarding plane, it serves the forwarding policy and needs to be manually configured. The routing policy is based on the destination address and is forwarded according to the routing table. Based on the control plane, it serves the routing protocol and the routing table, and combines with the routing protocol to complete the policy.

A) FALSE
B) TRUE

2. The Hold time carried by the BGP neighbor PeerA in the Open is 90s. The Hold time carried by the PeerB in the Open is 30s. The interval between the PeerA and the PeerB after the connection is successfully established is:

A) 30s
B) Do not send Keepalive packet
C) 10s
D) 90s

3. The most important reason for the BGP protocol being an enhanced distance vector protocol is:

A) The BGP route uses the As-Path attribute and the list of AS that is recorded in the path of the transmission. In the routing rule, the router with short AS-Path is priority.
B) BGP does not accept routes containing the AS number in the AS-Path attribute.
C) Nexthop is a recognized mandatory attribute of BGP routing.
D) The BGP route uses the AS-Path attribute and the list of AS that is recorded in the path of the transmission. In the routing rule, the router with short AS-Path is priority, and the AS-PATH attribute is also checked in IBGP.

4. What are the routes that can be used to filter routes in BGP commonly used routing policy tools?

A) peer-list
B) route-policy
C) ip extcommunity-filter
D) filter-policy

5. Which are the reasons RSTP converges faster than STP? (Multiple choices)

A) When a port receives an RST BPDU from an upstream designated bridge in RSTP, the port compares the stored RST BPDU with the received RST BPDU.
B) The concept of an edge port was introduced in RSTP. An edge port does not receive processing configuration BPDUs and does not participate in RSTP operations. It can change from Disable to Forwarding state.
C) If a designated port in the network fails, the optimal alternate port in the network becomes the designated port and enters the Forwarding state.
D) In RSTP, after a port is elected as a designated port, it first enters the Discarding state, and then quickly enters the Forwarding state through the Proposal/Agreement mechanism.
E) If one of the root ports in the network fails, the optimal alternate port in the network will become the root port and enter the Forwarding state.

Solutions: