Huawei Written Huawei Certified Internetwork Expert-Routing & Switching - HCIE-R&S Set 2

1.

SWA and SWB are connected through two physical Ethernet links. SWA has the following interface configurations:
The two links are aggregated.
Assume that the configuration on SWB is correct. Given this information, which of the following statements are true?

GigabitEthernet1/0/1 and GigabitEthernet1/0/1 can be added to the same LAG without changing the current configurations. After link aggregation is configured on SWA and SWB, if MSTP is enabled on them, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 enter the Forwarding state inMSTP. GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can be added to the same LAG only after the configuration of GigabitEthernet1/0/2 is changed to be the same asthat of GigabitEthernet1/0/1. GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot be added to the same LAG because the allowed VLANs are different.

2.

Which of the following statements regarding the process of sending and receiving data frames on a port in access link-type is true?

Tagged data frames that are received are directly discarded. Only untagged data frames are received. VLAN tags are removed before data frames are sent. A switch learns the destination MAC address in the data frames when they are received on the switch's port.

3.

How long will a Huawei running RSTP wait before aging out the BPDUs on an interface?

Hello time interval 6 seconds MaxAge interval BPDUs on the interface will not be aged out Forward delay

4.

Which of the following statements regarding LACP are true?

You can run the following commands to delete member interfaces from an Eth-Trunk:
interface GigabitEthernet0/0/1
shutdown
interface GigabitEthernet0/0/1
undo eth-trunk 1
interface GigabitEthernet0/0/1
undo shutdown You can run the following commands to prevent frequent flapping due to physical link faults on an Eth-Trunk:interface eth-trunk 1
lacp preempt enable
lacp preempt delay delay-time You can run the following commands to add member interfaces to an Eth-Trunk:interface GigabitEthernet0/0/1
shutdown
interface eth-trunk 1
trunkport GigabitEthernet0/0/1
interface GigabitEthernet0/0/1
undo shutdown You can run the following commands to enable load balancing based on source IP addresses for an Eth-Trunk:interface eth-trunk 1
load-balance src-dst-ip

5.

Which of the following statements regarding PPPoE data frames are true?

The Ethernet_Type field has a fixed value of 0x8863. The Session_ID field of a PPP session must be the value specified in the Discovery phase and cannot be changed. When PPPoE is used to transmit session data, Code must be set to 0x0. After a PPPoE session is set up, all Ethernet packets are unicast.

6.

As shown in the figure below, R1 and R2 are connected through a PPP link, and the IP addresses on the directly connected interfaces are not on the same network segment. R1 and R2 can communicate with each other through the directly connected interfaces. However, communication on the Ethernet link fails if the IP addresses on the directly connected interfaces are on the same network segment. What are the causes of this?

The Ethernet header does not need to be encapsulated into data packets between R1 and R2 that are directly connected through a POS interface, and ARP
does not need be used to obtain MAC addresses. R1 and R2 that are directly connected through a POS interface learn the MAC address of each other using LCP, and ARP does not need to be used to obtainMAC addresses. R1 and R2 that are directly connected through a POS interface learn the 24-bit subnet route of each other through IPCP. R1 and R2 that are directly connected through a POS interface learn the 32-bit host route of each other through IPCP.

7.

Routes received from AS100 match the AS-Path filter configured using the ip as-path-filter 10 permit_100$ command.

1

8.

On a broadcast network, DIS election starts only after the neighbor relationship is established.

1

9.

Which of the following attributes cannot be directly referenced by the if-match clause of route-policies?

Community-filter IP-prefix AS-Path-filter Regular expression

10.

The figure shows router data. Which of the following statements is false?

The system ID of R3 is 0003.0000.0000. R3 is a level-1-2 router. R3 is the DIS of a Level-1 link. R3 is the DIS of a Level-2 link.

Huawei Written Huawei Certified Internetwork Expert-Routing & Switching - HCIE-R&S Set 2

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Huawei Written Huawei Certified Internetwork Expert-Routing & Switching - HCIE-R&S Set 2

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