Question 1

Which of the following address types are reserved for multicast use?

Accepted Answer

A)  Class A 
B)  Class B 
C)  Class E 
D)  Class D 
A)  Class A 
B)  Class B 
C)  Class E 
D)  Class D

Question 2

Both IS-IS CSNPs and OSPF DD packets describe the brief information about link state databases in MA network. Which of the following statements regarding the two types of packets is true?

Accepted Answer

A)  After CSNPs and DD packets are received by the peer router, the peer router needs to send an acknowledgement message; otherwise, the packets need to be retransmitted. 
B)  Once the neighbor relationship is established, CSNPs and DD packets are not sent. 
C)  The master/slave relationship in OSPF DD packet exchange is not bound to DR/BDR; and CSNPs are generated only by the DIS. 
D)  After CSNPs and DD packets are received by the peer router, the peer router does not need to send an acknowledgment message. 
A)  After CSNPs and DD packets are received by the peer router, the peer router needs to send an acknowledgement message; otherwise, the packets need to be retransmitted. 
B)  Once the neighbor relationship is established, CSNPs and DD packets are not sent. 
C)  The master/slave relationship in OSPF DD packet exchange is not bound to DR/BDR; and CSNPs are generated only by the DIS. 
D)  After CSNPs and DD packets are received by the peer router, the peer router does not need to send an acknowledgment message.

Question 3

As shown in the following figure, R1, R2, and R3 run OSPF and advertise their loopback interface addresses into OSPF. Which of the following statements is false?

Accepted Answer

A)  The filter import command can be executed on R2 in Area 0 to filter loopback interface routes of R3. 
B)  The filter-policy import command can be executed on R1 to filter loopback interface routes of R3. 
C)  The filter export command can be executed on R2 in Area 1 to filter loopback interface routes of R3. 
D)  The filter-policy export command can be executed on R2 to filter loopback interface routes of R3. 
A)  The filter import command can be executed on R2 in Area 0 to filter loopback interface routes of R3. 
B)  The filter-policy import command can be executed on R1 to filter loopback interface routes of R3. 
C)  The filter export command can be executed on R2 in Area 1 to filter loopback interface routes of R3. 
D)  The filter-policy export command can be executed on R2 to filter loopback interface routes of R3.

Question 4

Which of the following route selection tools is unique for BGP?

Accepted Answer

A)  Route-policy 
B)  IP-prefix 
C)  ACL 
D)  AS-Path-filter 
A)  Route-policy 
B)  IP-prefix 
C)  ACL 
D)  AS-Path-filter

Question 5

Level-1-2 IS can transmit Level-2 LSPs to a level-1 area. If the ATT bit in the Level-2 LSPs is set to 1, the Level-1 IS in the area can communicate with devices in other areas through the Level-1-2 IS.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30?

Accepted Answer

A)  12AB::CD3::/64 
B)  12AB::CD30/64 
C)  12AB::0000:0000:CD30:0000:0000:0000:0000/64 
D)  12AB:0:0:CD3::/64 
E)  12AB:0:0:CD3/64 
A)  12AB::CD3::/64 
B)  12AB::CD30/64 
C)  12AB::0000:0000:CD30:0000:0000:0000:0000/64 
D)  12AB:0:0:CD3::/64 
E)  12AB:0:0:CD3/64

Question 7

Which of following statements is true about IS-IS LDP synchronization?

Accepted Answer

A)  LDP establishes a neighbor relationship faster than IS-IS, so LDP synchronization is disabled by default 
B)  LDP synchronization can prevent traffic loss during an active/standby link switchover 
C)  LDP synchronization can be enabled globally 
D)  LDP synchronization can be configured on Loopback interfaces 
A)  LDP establishes a neighbor relationship faster than IS-IS, so LDP synchronization is disabled by default 
B)  LDP synchronization can prevent traffic loss during an active/standby link switchover 
C)  LDP synchronization can be enabled globally 
D)  LDP synchronization can be configured on Loopback interfaces

Question 8

Which of the following statements regarding MPLS BGP VPN is false?

Accepted Answer

A)  PEs and CEs can exchange routing information using static routes, OSPF multi-instance, IS-IS multi-instance, and EBGP. 
B)  BGP SoO is used to prevent the routes advertised from a VPN site from returning to the site after traversing the MPLS backbone network. SoO is an extended community attribute automatically generated by MP-BGP. 
C)  Typically, PEs at both ends of an IBGP session establish, a stable BGP peer relationship using the loopback interface address. 
D)  The TTL field in the label is used to prevent loops. 
A)  PEs and CEs can exchange routing information using static routes, OSPF multi-instance, IS-IS multi-instance, and EBGP. 
B)  BGP SoO is used to prevent the routes advertised from a VPN site from returning to the site after traversing the MPLS backbone network. SoO is an extended community attribute automatically generated by MP-BGP. 
C)  Typically, PEs at both ends of an IBGP session establish, a stable BGP peer relationship using the loopback interface address. 
D)  The TTL field in the label is used to prevent loops.

Question 9

During troubleshooting for a LAN where Huawei devices are deployed, you find that there are a large number of unicast frames with unknown source MAC addresses. What is the most severe impact these unicast frames have on the switch?

Accepted Answer

A)  TCAM entries are occupied 
B)  The power consumption is increased 
C)  The available MAC address entries are consumed 
D)  The available bandwidth is consumed 
E)  The memory for buffering frames is occupied 
A)  TCAM entries are occupied 
B)  The power consumption is increased 
C)  The available MAC address entries are consumed 
D)  The available bandwidth is consumed 
E)  The memory for buffering frames is occupied

Question 10

As shown in the figure, two IPv6 networks need to access the IPv4 network. An IPsec tunnel needs to be established between the two IPv6 networks to enable communication. Which of the following encapsulation modes can meet the preceding requirements?

Accepted Answer

A)  AH+ transmission mode 
B)  AH+ tunnel mode 
C)  ESP+ tunnel mode 
D)  All the preceding options are incorrect 
A)  AH+ transmission mode 
B)  AH+ tunnel mode 
C)  ESP+ tunnel mode 
D)  All the preceding options are incorrect

Question 11

Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?

Accepted Answer

A)  Type 5 LSAs are advertised by ASBRs and flooded on OSPF networks except stub areas and NSSAs. 
B)  Filtering policies can be configured on ABRs or ASBRs to filter Type 5 LSAs. 
C)  A Type 5 LSA contains the FA address, which is 0.0.0.0. The FA address is reserved only and does not take effect. 
D)  Routers in the same area as the ASBR can calculate external routes through intra-area LSAs and Type 5 LSAs. 
A)  Type 5 LSAs are advertised by ASBRs and flooded on OSPF networks except stub areas and NSSAs. 
B)  Filtering policies can be configured on ABRs or ASBRs to filter Type 5 LSAs. 
C)  A Type 5 LSA contains the FA address, which is 0.0.0.0. The FA address is reserved only and does not take effect. 
D)  Routers in the same area as the ASBR can calculate external routes through intra-area LSAs and Type 5 LSAs.

Question 12

Which of the following statements regarding BGP route reflectors (RRs) are true?

Accepted Answer

A)  If no RR is available, IBGP peers must be fully meshed. If an RR is available, IBGP peers do not need to be fully meshed 
B)  An RR can advertise routes learned from a client to the other clients and non-clients 
C)  An RR can advertise routes learned from IBGP peers to all clients and non-clients 
D)  An RR can advertise routes learned from non-clients to all clients 
A)  If no RR is available, IBGP peers must be fully meshed. If an RR is available, IBGP peers do not need to be fully meshed 
B)  An RR can advertise routes learned from a client to the other clients and non-clients 
C)  An RR can advertise routes learned from IBGP peers to all clients and non-clients 
D)  An RR can advertise routes learned from non-clients to all clients

Question 13

To configure AAA, you need to define a RADIUS server. The RADIUS server is configured as follows: [Huawei]radius-server template EXAM [Huawei-radius-EXAM] radius-server shared-key cipher HUAwei123 [Huawei-radius-EXAM] radius-server authentication 10.7.66.66 1812 [Huawei-radius-EXAM] radius-server authorization 10.7.66.66 1812 [Huawei-radius-EXAM] radius-server accounting 10.7.66.66 1813 [Huawei-radius-EXAM] radius-server retransmit 2

Accepted Answer

A) True 
 B)False

Question 14

Which of the following statements is false about the DSCP field?

Accepted Answer

A)  When the DSCP value is EF, data is forwarded in expedited forwarding mode 
B)  CS in DSCP classifies data based on eight priorities 
C)  DSCP can represent the data priority as well as the packet drop probability 
D)  The DSCP value can be 0. When the value is 0, the default packet forwarding mechanism is used 
A)  When the DSCP value is EF, data is forwarded in expedited forwarding mode 
B)  CS in DSCP classifies data based on eight priorities 
C)  DSCP can represent the data priority as well as the packet drop probability 
D)  The DSCP value can be 0. When the value is 0, the default packet forwarding mechanism is used

Question 15

Which of the following statements regarding the assert mechanism is true?

Accepted Answer

A)  The assert mechanism is used for DR election 
B)  In the assert mechanism, the winner forwards multicast data to the broadcast network 
C)  In the assert mechanism, the loser shutdown the interface connected to the broadcast network 
D)  IP addresses are not used for winner election 
A)  The assert mechanism is used for DR election 
B)  In the assert mechanism, the winner forwards multicast data to the broadcast network 
C)  In the assert mechanism, the loser shutdown the interface connected to the broadcast network 
D)  IP addresses are not used for winner election

Question 16

Subnets of one subnet is as follows: RT=10:10 both and TR=1000:1000 export in the EVPN instance and RT=100:100 in the VPN instance. Which of the following configurations can be made for another subnet?

Accepted Answer

A)  1000:1000 both in the EVPN instance 
B)  1000:1000 both evpn in the VPN instance 
C)  10:10 both in the VPN instance 
D)  1000:1000 export in the EVPN instance 
A)  1000:1000 both in the EVPN instance 
B)  1000:1000 both evpn in the VPN instance 
C)  10:10 both in the VPN instance 
D)  1000:1000 export in the EVPN instance

Question 17

Which of the following statements about VRRP load balancing are false?

Accepted Answer

A)  When configuring priorities, you must ensure that the same router server as the master router in three VRRP backup groups 
B)  To implement load balancing, default network gateways of hosts on a LAN must be configured as IP addresses of different virtual routers 
C)  Multiple VRRP backup groups can be created on an interface of a router. The router can serve as the master router in on VRRP backup group and the backup router in other VRRP backup groups. 
D)  VRRP local balancing requires that at least two virtual routers transmit services at the same time. 
A)  When configuring priorities, you must ensure that the same router server as the master router in three VRRP backup groups 
B)  To implement load balancing, default network gateways of hosts on a LAN must be configured as IP addresses of different virtual routers 
C)  Multiple VRRP backup groups can be created on an interface of a router. The router can serve as the master router in on VRRP backup group and the backup router in other VRRP backup groups. 
D)  VRRP local balancing requires that at least two virtual routers transmit services at the same time.

Question 18

In which scenarios can an AS-Path-filter be used? (Choose three.)

Accepted Answer

A)  apply clause in a route-policy 
B)  Filtering routes received from BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter import command. 
C)  if-match clause in a route-policy 
D)  Filtering routes sent to BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter export command. 
A)  apply clause in a route-policy 
B)  Filtering routes received from BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter import command. 
C)  if-match clause in a route-policy 
D)  Filtering routes sent to BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter export command.

Question 19

Which of the following statements regarding BGP confederations is false?

Accepted Answer

A)  By default, sub-AS numbers of a confederation are advertised to BGP peers outside the confederation. 
B)  A BGP confederation divided an AS into several sub-Ass. Ass outside a confederation still consider the confederation as an AS. 
C)  Confederations can easily detect routing loops inside an AS because EBGP is run between sub-AS's. 
D)  Sub-Ass within a BGP confederation can use private AS numbers. For Huawei NE and AR routers, a maximum of 32 sub-Ass can be configured in a BGP confederation. 
A)  By default, sub-AS numbers of a confederation are advertised to BGP peers outside the confederation. 
B)  A BGP confederation divided an AS into several sub-Ass. Ass outside a confederation still consider the confederation as an AS. 
C)  Confederations can easily detect routing loops inside an AS because EBGP is run between sub-AS's. 
D)  Sub-Ass within a BGP confederation can use private AS numbers. For Huawei NE and AR routers, a maximum of 32 sub-Ass can be configured in a BGP confederation.

Question 20

A Huawei router is configured to import a route into OSPF on an enterprise network. Which of the following statements about the LSA generated from the imported route are true?

Accepted Answer

A)  The Net Mask field is set to all 0s 
B)  The Link State ID, and Advertising Router fields can uniquely identify an LSA 
C)  The Advertising Router field is set to the ASBR's Router ID 
D)  The Link State ID field is set to the destination network segment address 
A)  The Net Mask field is set to all 0s 
B)  The Link State ID, and Advertising Router fields can uniquely identify an LSA 
C)  The Advertising Router field is set to the ASBR's Router ID 
D)  The Link State ID field is set to the destination network segment address

Which of the following address types are reserved for multicast use?

Both IS-IS CSNPs and OSPF DD packets describe the brief information about link state databases in MA network. Which of the following statements regarding the two types of packets is true?

As shown in the following figure, R1, R2, and R3 run OSPF and advertise their loopback interface addresses into OSPF. Which of the following statements is false?

Which of the following route selection tools is unique for BGP?

Level-1-2 IS can transmit Level-2 LSPs to a level-1 area. If the ATT bit in the Level-2 LSPs is set to 1, the Level-1 IS in the area can communicate with devices in other areas through the Level-1-2 IS.

Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30?

Which of following statements is true about IS-IS LDP synchronization?

Which of the following statements regarding MPLS BGP VPN is false?

During troubleshooting for a LAN where Huawei devices are deployed, you find that there are a large number of unicast frames with unknown source MAC addresses. What is the most severe impact these unicast frames have on the switch?

As shown in the figure, two IPv6 networks need to access the IPv4 network. An IPsec tunnel needs to be established between the two IPv6 networks to enable communication. Which of the following encapsulation modes can meet the preceding requirements?

Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?

Which of the following statements regarding BGP route reflectors (RRs) are true?

Which of the following statements is false about the DSCP field?

Which of the following statements regarding the assert mechanism is true?

Subnets of one subnet is as follows: RT=10:10 both and TR=1000:1000 export in the EVPN instance and RT=100:100 in the VPN instance. Which of the following configurations can be made for another subnet?

Which of the following statements about VRRP load balancing are false?

In which scenarios can an AS-Path-filter be used? (Choose three.)

Which of the following statements regarding BGP confederations is false?

A Huawei router is configured to import a route into OSPF on an enterprise network. Which of the following statements about the LSA generated from the imported route are true?

HCNA-VC (Huawei Certified Network Associate - Video Conference)

HHCIA Routing&Switching

HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

HCNP-R&S-IENPÂ (Huawei Certified Network Professional-Improving Enterprise Network Performance)

HCNP-R&S Fast Track (Huawei Certified Network Professional - Routing & Switching Fast Track)

HCNA-Security-CBSN (Huawei Certified Network Associate - Constructing Basic Security Network)

HCNA-Storage-BSSN (Huawei Certified Network Associate - Building the Structure of Storage Network)

HCNA-Storage-BSSN

Huawei Certified Network Professional- Constructing Big Data Solution

HCIE-Storage

HCIA-Cloud Service V2.2

Huawei Certified Pre-sales Associate-IP Network(Datacom)-ENU

Huawei Certified Pre-sales Associate - ECC (HCPA-ECC)

HCNA - Carrier IP

HCIP-Cloud Computing-CDSM

HCIA-SDN

Filters

Exam 6: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)

Which of the following address types are reserved for multicast use?

Both IS-IS CSNPs and OSPF DD packets describe the brief information about link state databases in MA network. Which of the following statements regarding the two types of packets is true?

As shown in the following figure, R1, R2, and R3 run OSPF and advertise their loopback interface addresses into OSPF. Which of the following statements is false?

Which of the following route selection tools is unique for BGP?

Level-1-2 IS can transmit Level-2 LSPs to a level-1 area. If the ATT bit in the Level-2 LSPs is set to 1, the Level-1 IS in the area can communicate with devices in other areas through the Level-1-2 IS.

Which of the following are legal representations of the IPv6 prefix 12AB00000000CD30?

Which of following statements is true about IS-IS LDP synchronization?

Which of the following statements regarding MPLS BGP VPN is false?

During troubleshooting for a LAN where Huawei devices are deployed, you find that there are a large number of unicast frames with unknown source MAC addresses. What is the most severe impact these unicast frames have on the switch?

As shown in the figure, two IPv6 networks need to access the IPv4 network. An IPsec tunnel needs to be established between the two IPv6 networks to enable communication. Which of the following encapsulation modes can meet the preceding requirements?

Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?

Which of the following statements regarding BGP route reflectors (RRs) are true?

Which of the following statements is false about the DSCP field?

Which of the following statements regarding the assert mechanism is true?

Subnets of one subnet is as follows: RT=10:10 both and TR=1000:1000 export in the EVPN instance and RT=100:100 in the VPN instance. Which of the following configurations can be made for another subnet?

Which of the following statements about VRRP load balancing are false?

In which scenarios can an AS-Path-filter be used? (Choose three.)

Which of the following statements regarding BGP confederations is false?

A Huawei router is configured to import a route into OSPF on an enterprise network. Which of the following statements about the LSA generated from the imported route are true?

HCNA-VC (Huawei Certified Network Associate - Video Conference)

HHCIA Routing&Switching

HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

HCNP-R&S-IENPÂ (Huawei Certified Network Professional-Improving Enterprise Network Performance)

HCNP-R&S Fast Track (Huawei Certified Network Professional - Routing & Switching Fast Track)

HCNA-Security-CBSN (Huawei Certified Network Associate - Constructing Basic Security Network)

HCNA-Storage-BSSN (Huawei Certified Network Associate - Building the Structure of Storage Network)

HCNA-Storage-BSSN

Huawei Certified Network Professional- Constructing Big Data Solution

HCIE-Storage

HCIA-Cloud Service V2.2

Huawei Certified Pre-sales Associate-IP Network(Datacom)-ENU

Huawei Certified Pre-sales Associate - ECC (HCPA-ECC)

HCNA - Carrier IP

HCIP-Cloud Computing-CDSM

HCIA-SDN

Filters