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Huawei H12-261 Practice Test - Questions Answers, Page 27

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Which of the following AS-paths can be matched by the AS-Path filter configured using the ip as-path-filter 1 permit ^12.*74$ command?
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?
In the aggregate ipv4-address {mask | mask-length} [as-set | attribute-policy route-policy-name1 | detail-suppressed | origin-policy route-policy-name2 | suppress-policy route-policy-name3] command, multiple parameters can be used to affect the BGP summarized route and summarization result. Which of the following statements regarding this command are true?
For Huawei S series switches, to control which member switch becomes the master switch of a stack, first power on the switch you wish to be the master switch, and then wait 20 seconds before powering on the other member switches.
Which of the following statements regarding the packet processing method in the MPLS network model are false?
Which of the following statements is true according to the topology shown?
Which of the following command outputs indicates that a loop has occurred on a switch?
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.)
To reduce the amount of OSPF data and routing information in some areas, OSPF has special area types. Which of the following statements regarding OSPF special areas is true?
The output of the display in vpn-instance verbose command for displaying detailed information about all VPN instances on a network device is as follows. Which of the following statements are false?

Question 261

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Which of the following statements regarding FTP is true?

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

Question 262

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Which of following statements regarding VRRP groups in load balancing mode are true?

A.
Hosts in the same LAN need to be configured with different virtual routers as their default gateways
A.
Hosts in the same LAN need to be configured with different virtual routers as their default gateways
Answers
B.
At least two virtual routers need to provide forwarding services simultaneously
B.
At least two virtual routers need to provide forwarding services simultaneously
Answers
C.
When configuring the priority, ensure that the same router functions as the master device for three VRRP groups
C.
When configuring the priority, ensure that the same router functions as the master device for three VRRP groups
Answers
D.
Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of otherVRRP groups
D.
Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of otherVRRP groups
Answers
Suggested answer: A, B, D

Question 263

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Which of the following route types is used to advertise external routes in BGP EVPN?

A.
Type 2
A.
Type 2
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B.
Type 5
B.
Type 5
Answers
C.
Type 1
C.
Type 1
Answers
D.
Type 4
D.
Type 4
Answers
E.
Type 3
E.
Type 3
Answers
Suggested answer: B

Explanation:

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100023542?section=j01d&topicName=bgp-evpn-route-types

Question 264

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Assume R1 and R2 have a valid level-2 ISIS peering for IPv6 and the additional configuration shown is applied. Which of the following statements about routing entries on R2 are true?

A.
2022:: /64 will be displayed in the IPv6 routing table.
A.
2022:: /64 will be displayed in the IPv6 routing table.
Answers
B.
2021:: /64 will be displayed in the IPv6 routing table.
B.
2021:: /64 will be displayed in the IPv6 routing table.
Answers
C.
2019:: /64 will be displayed in the IPv6 routing table.
C.
2019:: /64 will be displayed in the IPv6 routing table.
Answers
D.
2020:: /64 will be displayed in the IPv6 routing table.
D.
2020:: /64 will be displayed in the IPv6 routing table.
Answers
Suggested answer: A, C, D

Question 265

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Which of the following combinations will provide the optimal solution for deploying a loop-free Layer 2 network?

A.
TRILL + MSTP
A.
TRILL + MSTP
Answers
B.
Stack + link aggregation
B.
Stack + link aggregation
Answers
C.
Link set + MSTP
C.
Link set + MSTP
Answers
D.
Stack + MSTP
D.
Stack + MSTP
Answers
Suggested answer: A

Question 266

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Which of the following statements regarding MUX VLANs on Huawei switches is true?

A.
A MUX VLAN consists of principal VLANs and subordinate VLANs. Subordinate VLANs are classified into separate VLANs and isolated VLANs.
A.
A MUX VLAN consists of principal VLANs and subordinate VLANs. Subordinate VLANs are classified into separate VLANs and isolated VLANs.
Answers
B.
A principal port can communicate with all ports in a MUX VLAN.
B.
A principal port can communicate with all ports in a MUX VLAN.
Answers
C.
MUX VLANs and super VLANs can be used together in one VLAN.
C.
MUX VLANs and super VLANs can be used together in one VLAN.
Answers
D.
Each separate VLAN can be bound to multiple principal VLANs.
D.
Each separate VLAN can be bound to multiple principal VLANs.
Answers
Suggested answer: B

Question 267

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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?

A.
TCAM entries are occupied
A.
TCAM entries are occupied
Answers
B.
The power consumption is increased
B.
The power consumption is increased
Answers
C.
The available MAC address entries are consumed
C.
The available MAC address entries are consumed
Answers
D.
The available bandwidth is consumed
D.
The available bandwidth is consumed
Answers
E.
The memory for buffering frames is occupied
E.
The memory for buffering frames is occupied
Answers
Suggested answer: E

Question 268

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Interface Serial 0 of a router is enabled for OSPF Area 1, Serial 0 is configured as a silent interface. What is the impact of this configuration?

A.
The OSPF router receives updated routes from its neighbor
A.
The OSPF router receives updated routes from its neighbor
Answers
B.
The OSPF router establishes an available adjacency through this interface
B.
The OSPF router establishes an available adjacency through this interface
Answers
C.
The OSPF router does not add the routes learned from the interface to the local routing table
C.
The OSPF router does not add the routes learned from the interface to the local routing table
Answers
D.
The OSPF router does not establish any adjacency through this interface
D.
The OSPF router does not establish any adjacency through this interface
Answers
Suggested answer: D

Question 269

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

A.
Route-policy
A.
Route-policy
Answers
B.
IP-prefix
B.
IP-prefix
Answers
C.
ACL
C.
ACL
Answers
D.
AS-Path-filter
D.
AS-Path-filter
Answers
Suggested answer: D

Question 270

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If no default route exists in the local IP routing table, the default-route imported command can be executed to advertise default routes to BGP peers or BGP peer groups.

A.
True
A.
True
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B.
False
B.
False
Answers
Suggested answer: B
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