Ultimate Guide to Prepare H12-821_V1.0 Certification Exam for Huawei Other Certification in 2021 [Q34-Q57]

Ultimate Guide to Prepare H12-821_V1.0 Certification Exam for Huawei Other Certification in 2021

Use Real H12-821_V1.0 Dumps - Huawei Correct Answers updated on 2021

NEW QUESTION 34
Which of the following statements about WLAN roaming are true?

• A. APs for roaming must have overlapping signal coverage.
• B. APs for roaming do not need to have overlapping signal coverage.
• C. APs for roaming must be in the same extended service set (ESS).
• D. APs for roaming must be in the same basic service set (BSS).

Answer: B

 

NEW QUESTION 35
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?

• A. S4/0/0 supports IPv6.
• B. The circuit level of S4/0/0 is Level-1.
• C. The cost of S4/0/0 is 20.
• D. S4/0/0 sends IIH packets at the interval of 30s.

Answer: D

 

NEW QUESTION 36
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?

• A. 75s
• B. 20s
• C. 60s
• D. 90s

Answer: B

 

NEW QUESTION 37
Which of the following statements regarding IGMPv1 and IGMPv2 are true?

• A. 1GMPv2 supports only general query.
• B. IGMPv1 supports general query.
• C. 1GMPv2 defines the Leave message type.
• D. IGMPv1 does not define the IGMP Leave message type.

Answer: B

 

NEW QUESTION 38
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.

• A. TRUE
• B. FLASE

Answer: A

 

NEW QUESTION 39
Which of the following statements regarding BGP route advertisement are false?

• A. By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.
• B. Only the optimal routes preferred by BGP can be advertised to other BGP peers.
• C. Only the routes learned from IGPs can be advertised to other BGP peers.
• D. All the BGP routes learned from all BGP peer will be advertised to other BGP peers.

Answer: B

 

NEW QUESTION 40
Which of the following statements regarding the BGP error display of a router false?

• A. Error Type indicates that the BGP error is caused by the neighbor relationship error.
• B. The error occurred at 12:40:39 on March 22, 2010.
• C. The error may be caused by the incorrect neighbor address.
• D. The neighbor address of this router is 10.1.1.5.

Answer: A

 

NEW QUESTION 41
Regarding the route-policy set-cost configuration below, which of the following statements is true?

• A. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.
• B. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
• C. All the routes that are not permitted by node 10 will be denied.
• D. The cost of all routes is set to 200.

Answer: B

 

NEW QUESTION 42
There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)

Answer:

Explanation:
primary

 

NEW QUESTION 43
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

 

NEW QUESTION 44
Which of the following attribute must be carried in an Update message?

• A. AS-Path
• B. MED
• C. Prefval
• D. Local-pref

Answer: D

 

NEW QUESTION 45
Which of the following attacks is not the network layer attack?

• A. Smurf attack
• B. ARP spoofing attack
• C. ICMP attack
• D. IP spoofing attack

Answer: B

 

NEW QUESTION 46
Which of the following TLVs is used by ISIS to describe the IP address of an interface?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 47
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 48
Which of the following statements is false, based on the following IGMP information on an interface of RTA?

• A. The IGMP version is IGMPV2.
• B. The maximum time for response to Query messages is 10s.
• C. The interval for sending group-specific Query messages is 60s.
• D. The IP address of the interface is 192.168.1.1.

Answer: B

 

NEW QUESTION 49
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.

Answer:

Explanation:
IN ORDER

 

NEW QUESTION 50
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

• A. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
• B. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
• C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
• D. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.

Answer: A

 

NEW QUESTION 51
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?

• A. 802.11ac
• B. 802.11ax
• C. 802.11b
• D. 802.11n

Answer: A

 

NEW QUESTION 52
Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 53
Which of the following routing protocols support the default route through command configuration?

• A. ICMP
• B. IS-IS
• C. OSPF
• D. BGP

Answer: D

 

NEW QUESTION 54
Which of the following statements about multicast packet forwarding is true?

• A. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
• B. In multicast transmission, the destination address of a packet can be the unicast address of a host.
• C. If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
• D. The source address of a multicast packet is a unicast address.

Answer: C

 

NEW QUESTION 55
Which of the following statements regarding the summary automatic command and BGP route summarization is false?

• A. After this command is configured, BGP sends only the summarized routes to peers
• B. After this command is configured, BGP summarizes routes based on natural network segments
• C. This command enables automatic summarization for the locally imported routes
• D. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

Answer: B

 

NEW QUESTION 56
Which of the following statements regarding an IP prefix are true?

• A. An IP prefix filter can be used to filter data packets.
• B. An IP prefix filter cannot be used to filter data packets.
• C. An IP prefix filter is used to filter IP address prefixes and cannot match an IP prefix number and a prefix length at the same time.
• D. An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.

Answer: A

 

NEW QUESTION 57
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