Top Huawei H12-821_V1.0-ENU Courses Online - Updated [Dec-2023]
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NEW QUESTION # 78
Which of the following descriptions about the four forwarding models of WLAN roaming traffic are correct? (Multiple choice)
- A. The difference between Layer 2 roaming forwarding and Layer 3 roaming forwarding is whether the subnet before and after STA roaming is the same subnet
- B. The difference between direct forwarding in Layer 3 roaming and tunnel forwarding in Layer 3 roaming is whether the packet needs to be returned to the HAP
- C. There is no difference between direct forwarding in layer 2 roaming and tunnel forwarding in layer 2 roaming, both are forwarded directly in the local network of FAP or FAC
- D. During the forwarding of the Layer 3 roaming tunnel, if the STA wants to access the atomic network, it needs to return the message to the HAP
Answer: A,B,D
NEW QUESTION # 79
The output information of a router is as follows, please match the information on the left with the information on the right.
Router ID of this device: ()
Router ID of the peer device: ()
The interface IP address of this device: ()
City ID to which this device belongs: ()
Answer:
Explanation:
10.0.1.1|10.0.2.2|10.0.123.1|0.0.0.0
NEW QUESTION # 80
A typical NetStream system consists of two parts: network flow data exporter NDE and network flow data collector NSC.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 81
Which of the following descriptions of the LSA age field is correct? (Multiple choice)
- A. The unit of LSA age is second, the LS age of LSA in LSDB increases with time
- B. The unit of LSA age is second, the LS age of LSA in LSDB decreases with time
- C. If the LS age of an LSA reaches LSRefreshTime (30min), any router can regenerate an instance of the LSA for this LSA
- D. If the LS age of an LSA reaches LSRefreshTime (30min), the producer of this LSA needs to regenerate an instance of the LSA
Answer: A,D
NEW QUESTION # 82
Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?
- A. Two routers running BGP must have IP connectivity to establish a TCP session
- B. If the two exchange BGP packets peers belong to different autonomous systems, then the two peers are EBGP peer
- C. If the two exchange BGP packets peers in the same autonomous system, then the two peers are IBGP peer
- D. IBGP peers must be physically directly connected
Answer: D
NEW QUESTION # 83
In VRRP, which of the following reasons will not cause two Master devices to appear in the same backup group?
- A. The number of virtual IP addresses is inconsistent
- B. Inconsistent message sending intervals
- C. Different VRRP versions
- D. VRRP priorities are inconsistent
Answer: D
NEW QUESTION # 84
Which of the following parameters are not mandatory items when configuring BGP Peer? (Multiple choice)
- A. IP Address of the peer
- B. description
- C. Password
- D. as number
Answer: B,C
NEW QUESTION # 85
In inter-domain packet filtering, which of the following traffic directions belongs to the Outbound direction?
- A. Trust->Local
- B. Untrust->Trust
- C. Untrust->DMZ
- D. Trust->Untrust
Answer: D
NEW QUESTION # 86
What is the process sequence of VLAN Pool assigning VLANs to terminals? (Multiple choice)
- A. The terminal accesses from the divided VLAN
- B. The terminal accesses the VAP
- C. Determine the VLAN Pool and VLAN algorithm bound to the VAP
- D. Assign VLANs to terminals according to the VLAN algorithm
Answer: A,B,C,D
NEW QUESTION # 87
As shown in the figure, RTA, RTB, RTC, and RTD are in the same AS. IBGP neighbor relationships are established through direct links. RTB and RTC are route reflectors. RTA and RTC are the route reflector clients of RTB. RTD is the route reflector client of RTC, and 10.1.1.0/24 is announced into BGP on RTA, and the Originator ID value of the BGP route received on RTD is updated to ().
Answer:
Explanation:
1.1.1.1
NEW QUESTION # 88
The original AS_Path of a BGP route is 10. After the apply as-path 200300overrite command is configured, which of the following options is the correct one in the SPath list?
- A. (200,300)
- B. (100,200,300)
- C. (200,100,300)
- D. (200,300,100)
Answer: A
NEW QUESTION # 89
The command to configure VRRP to track the status of the physical interface is:
- A. track vrrp vrid 1 interface Gigabitethernet0/0/0
- B. vrrp vrid 1 interface Gigabitethernet0/0/0 track
- C. vrrp vrid 1 track interface Gigabitethernet0/0/0
- D. vrrp vrid 1 interface Gigabitethernet0/0/0
Answer: C
NEW QUESTION # 90
Which of the following parameters do we generally use to measure the performance of switches?
(Multiple choice)
- A. Exchange capacity
- B. Packet forwarding rate
- C. Port speed
- D. CPU main frequency
- E. MAC table capacity
- F. Port Density
Answer: A,B
NEW QUESTION # 91
What are the possible reasons for a user reporting that he cannot receive emails normally through his email client? (Multiple choice)
- A. User client settings are wrong
- B. The user does not have the appropriate permissions
- C. Link failure
- D. Mail server failure
Answer: A,B,C,D
NEW QUESTION # 92
Routing policies support multiple operations on routing attributes. Please match the parameters of the following apply clauses with their functions. (Drag and drop questions)
Answer:
Explanation:
NEW QUESTION # 93
Which of the following statements about OSPF and IS-IS is wrong?
- A. Both OSPF and IS-IS use Hello packets to establish and maintain neighbor relationships
- B. Both OSPF and IS-IS are the link state protocols.
- C. Both DR and BDR need to be elected in the broadcast network
- D. Both OSPF and IS-IS support area division
Answer: C
NEW QUESTION # 94
The BFD version number supported by the VRP version is:
- A. Version 2
- B. Version 1
- C. version 3
- D. Version 4
Answer: B
NEW QUESTION # 95
When multiple ASBRs introduce the same external route into the same OSPF domain, use the external route type with metric-tvpe of 2 to avoid suboptimal paths.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 96
The LAN mapping table is an attribute of the IST domain and is used to describe the mapping relationship between VLANs and MSTIs. Each VLAN can correspond to multiple ISTIs, and one MST can correspond to multiple VLANs.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 97
In BGP route selection rules, the manually aggregated routes generated by the aggregate command have a higher priority than the automatically aggregated routes generated by the summary automatic command.
- A. True
- B. False
Answer: A
NEW QUESTION # 98
The import-route limit command cannot limit the maximum number of external routes that can be imported in an OSPF process.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 99
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