Question 1

Which of the following statements regarding OSPF route filtering is false?

Accepted Answer

A)  The filtering of Type 3 LSAs needs to be configured on ABRs in OSPF. 
B)  In a NSSA, when external routes are imported to the OSPF router and LSAs are advertised to its neighbors, LSA filtering can be performed on the ASBR or ABR. 
C)  All LSAs, except Grace LSAs, can be filtered based on interfaces in the inbound and outbound directions. 
D)  When routes are calculated based on the LSDB, the filter-policy import command can be executed to filter routes. This filtering mode affects only the addition of routes in the routing table, and has no impact on the OSPF LSDB. 
A)  The filtering of Type 3 LSAs needs to be configured on ABRs in OSPF. 
B)  In a NSSA, when external routes are imported to the OSPF router and LSAs are advertised to its neighbors, LSA filtering can be performed on the ASBR or ABR. 
C)  All LSAs, except Grace LSAs, can be filtered based on interfaces in the inbound and outbound directions. 
D)  When routes are calculated based on the LSDB, the filter-policy import command can be executed to filter routes. This filtering mode affects only the addition of routes in the routing table, and has no impact on the OSPF LSDB.

Question 2

Which of the following statements route import is false?

Accepted Answer

A)  Importing IBGP routes into the OSPF process may cause routing loops. 
B)  By default, the metric of external routes imported into the OSPF process is 1 and the type of imported external routes is Type 2. 
C)  BGP can generate routes in either Import or Network mode. The Network mode is more precise than the Import mode. 
D)  After IS-IS Level-2 routes are imported to an IS-IS Level-1 area, routing loops occur if no route import policy is manually configured. 
A)  Importing IBGP routes into the OSPF process may cause routing loops. 
B)  By default, the metric of external routes imported into the OSPF process is 1 and the type of imported external routes is Type 2. 
C)  BGP can generate routes in either Import or Network mode. The Network mode is more precise than the Import mode. 
D)  After IS-IS Level-2 routes are imported to an IS-IS Level-1 area, routing loops occur if no route import policy is manually configured.

Question 3

Which of the following statements regarding the IPv6 over VXLAN network is false?

Accepted Answer

A)  The IPv6 over VXLAN network indicates that the VXLAN overlay network is an IPv6 network. 
B)  The IPv6 Over VXLAN network does not generate ND entries. 
C)  Tunnels between Layer 2 and Layer 3 VXLAN gateways are deployed on an IPv4 network. 
D)  The IPv6 over VXLAN network enables tenants to have sufficient IP address resources. 
A)  The IPv6 over VXLAN network indicates that the VXLAN overlay network is an IPv6 network. 
B)  The IPv6 Over VXLAN network does not generate ND entries. 
C)  Tunnels between Layer 2 and Layer 3 VXLAN gateways are deployed on an IPv4 network. 
D)  The IPv6 over VXLAN network enables tenants to have sufficient IP address resources.

Question 4

A DR needs to be elected from a set of candidate PIM-SM routers for multicast data forwarding on the source side or the receiver side. Which of the following statements regarding DR election is true?

Accepted Answer

A)  The PIM-SM router with the lowest DR priority is elected as the DR. 
B)  The PIM-SM router with the smallest IP address is elected as the DR. 
C)  The PIM-SM router with the longest interface mask is elected as the DR. 
D)  DR priorities of the PIM-SM routers are compared first. If their DR priorities are the same, their interface IP addresses are them compared. 
A)  The PIM-SM router with the lowest DR priority is elected as the DR. 
B)  The PIM-SM router with the smallest IP address is elected as the DR. 
C)  The PIM-SM router with the longest interface mask is elected as the DR. 
D)  DR priorities of the PIM-SM routers are compared first. If their DR priorities are the same, their interface IP addresses are them compared.

Question 5

Which of the following statements regarding LDP reliability is false?

Accepted Answer

A)  By default, the policy for manually configuring LDP FRR specifies that backup routes with 32-bit addresses should trigger the setup of a backup LDP LSP. 
B)  Synchronization between LDP and IGP requires suppression of IGP route advertisement to achieve consistent LDP and IGP. 
C)  LDP FRR can generate an LSP as the backup of the primary LSP based on Label Mapping messages that are not from the optimal next hop. LDP FRR establishes forwarding entries for the backup LSP. 
D)  LDP Graceful Restart (GR) leverages the separation of the forwarding plane and control plane by MPLS to ensure uninterrupted traffic transmission during a protocol restart or active/standby switchover. 
A)  By default, the policy for manually configuring LDP FRR specifies that backup routes with 32-bit addresses should trigger the setup of a backup LDP LSP. 
B)  Synchronization between LDP and IGP requires suppression of IGP route advertisement to achieve consistent LDP and IGP. 
C)  LDP FRR can generate an LSP as the backup of the primary LSP based on Label Mapping messages that are not from the optimal next hop. LDP FRR establishes forwarding entries for the backup LSP. 
D)  LDP Graceful Restart (GR) leverages the separation of the forwarding plane and control plane by MPLS to ensure uninterrupted traffic transmission during a protocol restart or active/standby switchover.

Question 6

Which of the following are found in a basic Network Layer Packet? (Multiple Choice.)

Accepted Answer

A)  Network Layer Header 
B)  Path records 
C)  Data Link Layer Header 
D)  Upper Layer Data 
E)  Network Layer Trailer 
A)  Network Layer Header 
B)  Path records 
C)  Data Link Layer Header 
D)  Upper Layer Data 
E)  Network Layer Trailer

Question 7

Which of the following command outputs indicates that a loop has occurred on a switch?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Which of the following statements regarding the VXLAN gateway is false?

Accepted Answer

A)  VXLAN Layer 3 gateways can be classified into centralized and distributed gateways. 
B)  VXLAN Layer 3 gateways allow their inter-subnet VXLAN communication and access to external networks. 
C)  VXLAN Layer 2 gateways are bound to VPN instances. 
D)  VXLAN Layer 2 gateways enable tenants to access VXLAN and are used for communication between subnets on the same VXLAN. 
A)  VXLAN Layer 3 gateways can be classified into centralized and distributed gateways. 
B)  VXLAN Layer 3 gateways allow their inter-subnet VXLAN communication and access to external networks. 
C)  VXLAN Layer 2 gateways are bound to VPN instances. 
D)  VXLAN Layer 2 gateways enable tenants to access VXLAN and are used for communication between subnets on the same VXLAN.

Question 9

OSPF has been configured on R1 as shown above, but R1 does not learn the routes from any other routers, which of the following are possible causes? (Choose all that apply.)

Accepted Answer

A)  The area ID configured on R1 is different from that configured on its neighbors. 
B)  The network address advertised by R1 does not match the interface mask. 
C)  No OSPF process ID is configured on R1. 
D)  The authentication function is not configured on R1, but configured on its neighbors. 
A)  The area ID configured on R1 is different from that configured on its neighbors. 
B)  The network address advertised by R1 does not match the interface mask. 
C)  No OSPF process ID is configured on R1. 
D)  The authentication function is not configured on R1, but configured on its neighbors.

Question 10

Which messages are sent to the agent by the network management station (NMS) running SNMPv1?

Accepted Answer

A)  Trap, Get, and Set messages 
B)  Only Trap messages 
C)  Get, Set, and GetNext messages 
D)  Get, Set, and GetBulk messages 
E)  Get, Set, and GetNext, and GetBulk messages 
A)  Trap, Get, and Set messages 
B)  Only Trap messages 
C)  Get, Set, and GetNext messages 
D)  Get, Set, and GetBulk messages 
E)  Get, Set, and GetNext, and GetBulk messages

Question 11

Router HW1 runs BGP, and has IBGP peers and EBGP peers configured. Which of the following statements regarding the IBGP peers and EBGP peers are true?

Accepted Answer

A)  The router sends BGP updates learned from each IBGP peer to the other IBGP and EBGP peers. 
B)  The IBGP peers must be directly connected. Otherwise, multi-hop IBGP must be configured on the router. 
C)  The EBGP peers can establish peer relationships through loopback interfaces. 
D)  The router sends BGP updates learned from each EBGP peer to the other EBGP and IBGP peers. 
E)  The EBGP peers must be directly connected. Otherwise, multi-hop EBGP must be configured on the router. 
A)  The router sends BGP updates learned from each IBGP peer to the other IBGP and EBGP peers. 
B)  The IBGP peers must be directly connected. Otherwise, multi-hop IBGP must be configured on the router. 
C)  The EBGP peers can establish peer relationships through loopback interfaces. 
D)  The router sends BGP updates learned from each EBGP peer to the other EBGP and IBGP peers. 
E)  The EBGP peers must be directly connected. Otherwise, multi-hop EBGP must be configured on the router.

Question 12

Which of the following are used in Ethernet networks?

Accepted Answer

A)  802.5 encapsulated frames 
B)  802.3 encapsulated frames 
C)  CSMA/CD for media access 
D)  Non Canonical format MAC addresses 
E)  Canonical format MAC addresses 
A)  802.5 encapsulated frames 
B)  802.3 encapsulated frames 
C)  CSMA/CD for media access 
D)  Non Canonical format MAC addresses 
E)  Canonical format MAC addresses

Question 13

Which Multicast Protocols use Reverse Path Forwarding (RPF) information when sending multicast traffic streams towards receivers within HW routers? (Multiple Choice)

Accepted Answer

A)  PIM Dense Mode 
B)  DVMRP 
C)  Multicast OSPF 
D)  PIM Sparse Mode 
A)  PIM Dense Mode 
B)  DVMRP 
C)  Multicast OSPF 
D)  PIM Sparse Mode

Question 14

What is the class D IP address range 239.0.0.0-239.255.255.255 used for?

Accepted Answer

A)  It is a multicast address range used by routing protocols 
B)  Any legal multicast data flow and multicast application can use this address segment 
C)  Link-local multicast traffic mode up of network control messages meant to stay in the local subnet 
D)  It is a locally scoped multicast address and should only be used on local segments 
E)  It is an SSM multicast address range which is used on the entire network. 
A)  It is a multicast address range used by routing protocols 
B)  Any legal multicast data flow and multicast application can use this address segment 
C)  Link-local multicast traffic mode up of network control messages meant to stay in the local subnet 
D)  It is a locally scoped multicast address and should only be used on local segments 
E)  It is an SSM multicast address range which is used on the entire network.

Question 15

The default SSM group address range is 232.0.0.0/8. Which of the following configurations can be performed to modify the SSM group address range?

Accepted Answer

A)  Run the ssm-policy advanced-acl-number command in the system view to configure the SSM group address range 
B)  Run the ssm-policy basic-acl-number command in the system view to configure the SSM group address range 
C)  Run the ssm-policy advanced-acl-number command in the PIM view to configure the SSM group address range 
D)  Run the ssm-policy basic-acl-number command in the PIM view to configure the SSM group address range 
A)  Run the ssm-policy advanced-acl-number command in the system view to configure the SSM group address range 
B)  Run the ssm-policy basic-acl-number command in the system view to configure the SSM group address range 
C)  Run the ssm-policy advanced-acl-number command in the PIM view to configure the SSM group address range 
D)  Run the ssm-policy basic-acl-number command in the PIM view to configure the SSM group address range

Question 16

Which of the following are single-packet attacks?

Accepted Answer

A)  Malformed packet attacks 
B)  Special control packet attacks 
C)  Scanning and snooping attacks 
D)  DDoS attacks 
A)  Malformed packet attacks 
B)  Special control packet attacks 
C)  Scanning and snooping attacks 
D)  DDoS attacks

Question 17

A network administrator plans to migrate IGMPv2 to IGMPv3 on the multicast network. What advantages does IGMPv3 have over IGMPv2?

Accepted Answer

A)  IGMPv3 deletes suppression of IGMPv3 Membership Report messages 
B)  IGMPv3 deletes the function of matching all sources through wildcard belong to specific multicast group 
C)  IGMPv3 enables a host to join a specified multicast group that excludes a specified multicast source 
D)  IGMPv3 adds Request-to-Send and Clear-to-Send messages between source and local IGMP queries 
E)  IGMPv3 enables a host to join a specified multicast group that includes a specified multicast source 
A)  IGMPv3 deletes suppression of IGMPv3 Membership Report messages 
B)  IGMPv3 deletes the function of matching all sources through wildcard belong to specific multicast group 
C)  IGMPv3 enables a host to join a specified multicast group that excludes a specified multicast source 
D)  IGMPv3 adds Request-to-Send and Clear-to-Send messages between source and local IGMP queries 
E)  IGMPv3 enables a host to join a specified multicast group that includes a specified multicast source

Question 18

Which of the following statements regarding FTP is true?

Accepted Answer

A)  In FTP passive mode, the client initializes TCP control and data sessions 
B)  In FTP active mode, the server uses the PORT command to notify the client of the port through which data is transmitted 
C)  FTP always uses a TCP session to transmit control and data information 
D)  FTP always uses TCP port 20 to establish a data session and TCP port 21 to establish a control session 
E)  FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session 
A)  In FTP passive mode, the client initializes TCP control and data sessions 
B)  In FTP active mode, the server uses the PORT command to notify the client of the port through which data is transmitted 
C)  FTP always uses a TCP session to transmit control and data information 
D)  FTP always uses TCP port 20 to establish a data session and TCP port 21 to establish a control session 
E)  FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session

Question 19

A BGP connection goes down after being successfully set up. What is not possible cause for this problem?

Accepted Answer

A)  Negotiation of parameters in Open packets fails. 
B)  Mandatory attributes in Update packets are missing. 
C)  Error BGP packets are received. 
D)  After the BGP connection is set up, no Keepalive packet is received within the negotiated holdtime. 
A)  Negotiation of parameters in Open packets fails. 
B)  Mandatory attributes in Update packets are missing. 
C)  Error BGP packets are received. 
D)  After the BGP connection is set up, no Keepalive packet is received within the negotiated holdtime.

Question 20

Which of the following statements regarding optimal route selection of various protocols is true?

Accepted Answer

A)  All routes learned through OSPF in the LSDB are added to the IP routing table 
B)  The optimal route is selected after comparison costs of routes that are learned through BGP and destined for the same network segment 
C)  The optimal route is selected after comparison between preferences of routes that are learned through BGP and OSPF and that are destined for the same network segment 
D)  BGP routes with unreachable next hops are also added to the IP routing table 
A)  All routes learned through OSPF in the LSDB are added to the IP routing table 
B)  The optimal route is selected after comparison costs of routes that are learned through BGP and destined for the same network segment 
C)  The optimal route is selected after comparison between preferences of routes that are learned through BGP and OSPF and that are destined for the same network segment 
D)  BGP routes with unreachable next hops are also added to the IP routing table

Which of the following statements regarding OSPF route filtering is false?

Which of the following statements route import is false?

Which of the following statements regarding the IPv6 over VXLAN network is false?

A DR needs to be elected from a set of candidate PIM-SM routers for multicast data forwarding on the source side or the receiver side. Which of the following statements regarding DR election is true?

Which of the following statements regarding LDP reliability is false?

Which of the following are found in a basic Network Layer Packet? (Multiple Choice.)

Which of the following command outputs indicates that a loop has occurred on a switch?

Which of the following statements regarding the VXLAN gateway is false?

OSPF has been configured on R1 as shown above, but R1 does not learn the routes from any other routers, which of the following are possible causes? (Choose all that apply.)

Which messages are sent to the agent by the network management station (NMS) running SNMPv1?

Router HW1 runs BGP, and has IBGP peers and EBGP peers configured. Which of the following statements regarding the IBGP peers and EBGP peers are true?

Which of the following are used in Ethernet networks?

Which Multicast Protocols use Reverse Path Forwarding (RPF) information when sending multicast traffic streams towards receivers within HW routers? (Multiple Choice)

What is the class D IP address range 239.0.0.0-239.255.255.255 used for?

The default SSM group address range is 232.0.0.0/8. Which of the following configurations can be performed to modify the SSM group address range?

Which of the following are single-packet attacks?

A network administrator plans to migrate IGMPv2 to IGMPv3 on the multicast network. What advantages does IGMPv3 have over IGMPv2?

Which of the following statements regarding FTP is true?

A BGP connection goes down after being successfully set up. What is not possible cause for this problem?

Which of the following statements regarding optimal route selection of various protocols is 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 statements regarding OSPF route filtering is false?

Which of the following statements route import is false?

Which of the following statements regarding the IPv6 over VXLAN network is false?

A DR needs to be elected from a set of candidate PIM-SM routers for multicast data forwarding on the source side or the receiver side. Which of the following statements regarding DR election is true?

Which of the following statements regarding LDP reliability is false?

Which of the following are found in a basic Network Layer Packet? (Multiple Choice.)

Which of the following command outputs indicates that a loop has occurred on a switch?

Which of the following statements regarding the VXLAN gateway is false?

OSPF has been configured on R1 as shown above, but R1 does not learn the routes from any other routers, which of the following are possible causes? (Choose all that apply.)

Which messages are sent to the agent by the network management station (NMS) running SNMPv1?

Router HW1 runs BGP, and has IBGP peers and EBGP peers configured. Which of the following statements regarding the IBGP peers and EBGP peers are true?

Which of the following are used in Ethernet networks?

Which Multicast Protocols use Reverse Path Forwarding (RPF) information when sending multicast traffic streams towards receivers within HW routers? (Multiple Choice)

What is the class D IP address range 239.0.0.0-239.255.255.255 used for?

The default SSM group address range is 232.0.0.0/8. Which of the following configurations can be performed to modify the SSM group address range?

Which of the following are single-packet attacks?

A network administrator plans to migrate IGMPv2 to IGMPv3 on the multicast network. What advantages does IGMPv3 have over IGMPv2?

Which of the following statements regarding FTP is true?

A BGP connection goes down after being successfully set up. What is not possible cause for this problem?

Which of the following statements regarding optimal route selection of various protocols is 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