Question 1

Which of the following statements are false about Weighted Round Robin (WRR)?

Accepted Answer

A)  WRR is a congestion management technology 
B)  WRR prevents congestion on the network 
C)  WRR ensures important traffic being forwarded first 
D)  WRR ensures that all queues being serviced 
E)  WRR cannot be used on gigabit-ethernet interfaces 
A)  WRR is a congestion management technology 
B)  WRR prevents congestion on the network 
C)  WRR ensures important traffic being forwarded first 
D)  WRR ensures that all queues being serviced 
E)  WRR cannot be used on gigabit-ethernet interfaces

Question 2

Router A has an IP route with the destination network segment of 10.0.0.1/32 and outbound interface of GigabitEthernet0/0/1. The following configuration is added:   Assume that router A receives a data packet with the destination IP address of 10.0.0.1. Which of the following statements are true?

Accepted Answer

A)  If the source IP address of the data packet is 10.0.1.2, the data packet cannot be forwarded. 
B)  If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value is set to CS3. 
C)  If the source IP address of the data packet is 10.0.1.1, the data packet can be forwarded and the DSCP value is set to CS3 
D)  If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value remains unchanged. 
A)  If the source IP address of the data packet is 10.0.1.2, the data packet cannot be forwarded. 
B)  If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value is set to CS3. 
C)  If the source IP address of the data packet is 10.0.1.1, the data packet can be forwarded and the DSCP value is set to CS3 
D)  If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value remains unchanged.

Question 3

Which of the followings is used to avoid route loops in BGP?

Accepted Answer

A)  Use ORIGIN attribute to record route origin 
B)  Use AS_PATH attribute to record all ASs during a route passing from the local area to the destination in a certain order 
C)  Use NEXT_HOP attribute to record next hop of the route 
D)  Use MED attribute to influence export selection of other AS 
A)  Use ORIGIN attribute to record route origin 
B)  Use AS_PATH attribute to record all ASs during a route passing from the local area to the destination in a certain order 
C)  Use NEXT_HOP attribute to record next hop of the route 
D)  Use MED attribute to influence export selection of other AS

Question 4

BFD detects the link status immediately after a BFD session is set up. If BFD parameters are modified or deleted at one end of the BFD session, the other end will consider such a modification or deletion as a fault and services will be then affected. Therefore, exercise caution when modifying or deleting BFD parameters.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following statements are NOT true regarding the TCP sliding window protocol? (Choose all that apply.)

Accepted Answer

A)  The initial window offer is advertised by the sender 
B)  If the retransmission timer expires without the sender receiving an ACK message, the receiver retransmits the packet to the sender. 
C)  The size of the sliding window can only increase or stay the same 
D)  It allows the transmission of multiple frames before waiting for an acknowledgment 
E)  The receiver is required to acknowledge the data packets transmitted by the sender
F) The sender need not transmit a full window's worth of data 
A)  The initial window offer is advertised by the sender 
B)  If the retransmission timer expires without the sender receiving an ACK message, the receiver retransmits the packet to the sender. 
C)  The size of the sliding window can only increase or stay the same 
D)  It allows the transmission of multiple frames before waiting for an acknowledgment 
E)  The receiver is required to acknowledge the data packets transmitted by the sender
F) The sender need not transmit a full window's worth of data

Question 6

The figure shows the topology and configuration. Which of the following methods can be used to exclude the specific route 10.0.3.3/32 from the routing table of R1?

Accepted Answer

A)  On R2, configure a filter-policy, use the ACL applied to the filter-policy to match 10.0.3.3/32, and apply the filter-policy to the export direction. 
B)  Configure route summarization on R2 and summarize routes as 10.0.0.0/16. 
C)  On R1, configure a filter-policy, use the ACL applied to the filter-policy to match 10.0.3.3/32, and apply the filter-policy to the import direction. 
D)  Configure route summarization on R3 and summarize routes as 10.0.0.0/16. 
A)  On R2, configure a filter-policy, use the ACL applied to the filter-policy to match 10.0.3.3/32, and apply the filter-policy to the export direction. 
B)  Configure route summarization on R2 and summarize routes as 10.0.0.0/16. 
C)  On R1, configure a filter-policy, use the ACL applied to the filter-policy to match 10.0.3.3/32, and apply the filter-policy to the import direction. 
D)  Configure route summarization on R3 and summarize routes as 10.0.0.0/16.

Question 7

Which of the following statements regarding a TCP sliding window are false?

Accepted Answer

A)  The sender advertises the size of the initial window. 
B)  If the sender does not receive an acknowledgment message after the retransmission timer times out, it retransmits the unacknowledged data. 
C)  The sliding window size can only be increased or remains unchanged. 
D)  A TCP sliding window allows the sender to send multiple data packets before receiving an acknowledgment message. 
E)  The sender does not need to transmit packets with a complete window size. 
A)  The sender advertises the size of the initial window. 
B)  If the sender does not receive an acknowledgment message after the retransmission timer times out, it retransmits the unacknowledged data. 
C)  The sliding window size can only be increased or remains unchanged. 
D)  A TCP sliding window allows the sender to send multiple data packets before receiving an acknowledgment message. 
E)  The sender does not need to transmit packets with a complete window size.

Question 8

Which of the following statements are correct regarding intra-area route calculation of OSPF? (Choose two.)

Accepted Answer

A)  Every OSPF router only uses one Router LSA to describe local active link state for one area. 
B)  Every OSPF uses more than one Router LSA to describe local active link state for one area. 
C)  One Router LSA only describes one link. 
D)  One Router LSA describes more than one link. 
A)  Every OSPF router only uses one Router LSA to describe local active link state for one area. 
B)  Every OSPF uses more than one Router LSA to describe local active link state for one area. 
C)  One Router LSA only describes one link. 
D)  One Router LSA describes more than one link.

Question 9

Based on the preceding networking and configurations, which of the following statements is true?

Accepted Answer

A)  Route flapping occurs 
B)  RTB and RTC cannot establish a neighbor relationship 
C)  RTA and RTB cannot establish a neighbor relationship 
D)  A neighbor relationship can be established; all network segments are reachable 
A)  Route flapping occurs 
B)  RTB and RTC cannot establish a neighbor relationship 
C)  RTA and RTB cannot establish a neighbor relationship 
D)  A neighbor relationship can be established; all network segments are reachable

Question 10

Router HW1 and Router HW2 are connected to Network A and Network B respectively. Referring to the figure, if you want to set up an IPsec VPN tunnel between HW1 and HW2, which of the following ACL rules needs to be configured on HW1 to transmit the traffic across networks A and B pass through the encrypted VPN tunnel?

Accepted Answer

A)  rule permit ip source 10.1.2.0.0.0.0.255 destination 10.1.1.0.0.0.0.255 
B)  rule permit ip source 10.1.1.0.0.0.0.255 destination 10.1.2.0.0.0.0.255 
C)  rule permit ip source 10.1.1.0.0.0.0.255 destination 192.168.1.2.0 
D)  rule permit ip source 192.168.1.1.0 destination 10.1.2.0.0.0.0.255 
E)  rule permit ip source 192.168.1.1.0 destination 192.168.1.2.0 
A)  rule permit ip source 10.1.2.0.0.0.0.255 destination 10.1.1.0.0.0.0.255 
B)  rule permit ip source 10.1.1.0.0.0.0.255 destination 10.1.2.0.0.0.0.255 
C)  rule permit ip source 10.1.1.0.0.0.0.255 destination 192.168.1.2.0 
D)  rule permit ip source 192.168.1.1.0 destination 10.1.2.0.0.0.0.255 
E)  rule permit ip source 192.168.1.1.0 destination 192.168.1.2.0

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

The precedence field in VLAN (802.1Q) data encapsulation has six bits.

Accepted Answer

A) True 
 B)False

Question 13

Which layers are shared in the OSI reference model and TCP/IP model?

Accepted Answer

A)  Presentation layer 
B)  Application layer 
C)  Transport layer 
D)  Session layer 
E)  Data link layer 
A)  Presentation layer 
B)  Application layer 
C)  Transport layer 
D)  Session layer 
E)  Data link layer

Question 14

The display mpls lsp command is run on a router to check LSP information. The command output is as follows:   Which of the following statements is true?

Accepted Answer

A)  When sending a data packet with the destination IP address 4.4.4.4, the router sends it directly without any label added. 
B)  After receiving a data packet with label 1024, the router changes the label to label 1027 and then sends the packet. 
C)  When sending a data packet with the destination IP address 2.2.2.2, the router sends it directly without any label added. 
D)  When sending a data packet with the destination IP address 3.3.3.3, the router adds label 1026 to the packet before sending it. 
A)  When sending a data packet with the destination IP address 4.4.4.4, the router sends it directly without any label added. 
B)  After receiving a data packet with label 1024, the router changes the label to label 1027 and then sends the packet. 
C)  When sending a data packet with the destination IP address 2.2.2.2, the router sends it directly without any label added. 
D)  When sending a data packet with the destination IP address 3.3.3.3, the router adds label 1026 to the packet before sending it.

Question 15

The preceding information is generated after a router receives a Report message from group 225.0.0.1 through Ethernet 6/1/0.   Which type of Report message will not be processed by the router?

Accepted Answer

A)  IS_IN 
B)  ALLOW 
C)  BLOCK 
D)  TO_IN 
A)  IS_IN 
B)  ALLOW 
C)  BLOCK 
D)  TO_IN

Question 16

Which of the following statements about penultimate hop popping are true?

Accepted Answer

A)  It can only be used with LDP 
B)  It enables the Edge LSR to request a label pop operation from its upstream neighbors 
C)  It is only used when two or more labels are stacked 
D)  It is requested through LDP using a special label value that is also called the implicit-null value 
E)  It is used only for directly connected subnets or aggregate routes 
A)  It can only be used with LDP 
B)  It enables the Edge LSR to request a label pop operation from its upstream neighbors 
C)  It is only used when two or more labels are stacked 
D)  It is requested through LDP using a special label value that is also called the implicit-null value 
E)  It is used only for directly connected subnets or aggregate routes

Question 17

Typically, users within a VPN only communicate with other users in the same VPN. They cannot communicate with users on the Internet or access the Internet. Many VPN sites, however, may need to access the Internet. Which of the following statements regarding interconnection between the VPN and the Internet are true?

Accepted Answer

A)  The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet. 
B)  Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site. 
C)  Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table. 
D)  Isolating public network routes and VPN routes on the user side is simple, secure, and reliable. 
A)  The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet. 
B)  Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site. 
C)  Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table. 
D)  Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.

Question 18

A BD in a VXLAN can map to multiple VNIs.

Accepted Answer

A) True 
 B)False

Question 19

Which IPv6 header field has a function similar to that of the "Type of Service" field in an IPv4 header?

Accepted Answer

A)  Flow Label 
B)  Traffic Class 
C)  Next Header 
D)  Version 
A)  Flow Label 
B)  Traffic Class 
C)  Next Header 
D)  Version

Question 20

A network with the typology shown in the figure below is set up in a lab. On the network, SW1 uses the default configurations, and STP disables on SW2. Given this information, which of the following statements is true?

Accepted Answer

A)  Go/0/2 of SW2 enters the Discarding state. 
B)  G0/0/1 of SW1 enters the Discarding state. 
C)  G0/0/1 of SW2 enters the Discarding state. 
D)  No interface is blocked. 
E)  G0/0/2 of SW1 enters the Discarding state. 
A)  Go/0/2 of SW2 enters the Discarding state. 
B)  G0/0/1 of SW1 enters the Discarding state. 
C)  G0/0/1 of SW2 enters the Discarding state. 
D)  No interface is blocked. 
E)  G0/0/2 of SW1 enters the Discarding state.

Which of the following statements are false about Weighted Round Robin (WRR)?

Router A has an IP route with the destination network segment of 10.0.0.1/32 and outbound interface of GigabitEthernet0/0/1. The following configuration is added: Assume that router A receives a data packet with the destination IP address of 10.0.0.1. Which of the following statements are true?

Which of the followings is used to avoid route loops in BGP?

Which of the following statements are NOT true regarding the TCP sliding window protocol? (Choose all that apply.)

The figure shows the topology and configuration. Which of the following methods can be used to exclude the specific route 10.0.3.3/32 from the routing table of R1?

Which of the following statements regarding a TCP sliding window are false?

Which of the following statements are correct regarding intra-area route calculation of OSPF? (Choose two.)

Based on the preceding networking and configurations, which of the following statements is true?

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

The precedence field in VLAN (802.1Q) data encapsulation has six bits.

Which layers are shared in the OSI reference model and TCP/IP model?

The display mpls lsp command is run on a router to check LSP information. The command output is as follows: Which of the following statements is true?

The preceding information is generated after a router receives a Report message from group 225.0.0.1 through Ethernet 6/1/0. Which type of Report message will not be processed by the router?

Which of the following statements about penultimate hop popping are true?

A BD in a VXLAN can map to multiple VNIs.

Which IPv6 header field has a function similar to that of the "Type of Service" field in an IPv4 header?

A network with the typology shown in the figure below is set up in a lab. On the network, SW1 uses the default configurations, and STP disables on SW2. Given this information, which of the following statements 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 are false about Weighted Round Robin (WRR)?

Router A has an IP route with the destination network segment of 10.0.0.1/32 and outbound interface of GigabitEthernet0/0/1. The following configuration is added: Assume that router A receives a data packet with the destination IP address of 10.0.0.1. Which of the following statements are true?

Which of the followings is used to avoid route loops in BGP?

Which of the following statements are NOT true regarding the TCP sliding window protocol? (Choose all that apply.)

The figure shows the topology and configuration. Which of the following methods can be used to exclude the specific route 10.0.3.3/32 from the routing table of R1?

Which of the following statements regarding a TCP sliding window are false?

Which of the following statements are correct regarding intra-area route calculation of OSPF? (Choose two.)

Based on the preceding networking and configurations, which of the following statements is true?

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

The precedence field in VLAN (802.1Q) data encapsulation has six bits.

Which layers are shared in the OSI reference model and TCP/IP model?

The display mpls lsp command is run on a router to check LSP information. The command output is as follows: Which of the following statements is true?

The preceding information is generated after a router receives a Report message from group 225.0.0.1 through Ethernet 6/1/0. Which type of Report message will not be processed by the router?

Which of the following statements about penultimate hop popping are true?

A BD in a VXLAN can map to multiple VNIs.

Which IPv6 header field has a function similar to that of the "Type of Service" field in an IPv4 header?

A network with the typology shown in the figure below is set up in a lab. On the network, SW1 uses the default configurations, and STP disables on SW2. Given this information, which of the following statements 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