Latest [Feb 26, 2022] H12-821_V1.0 Exam Dumps - Valid and Updated Dumps [Q12-Q33]

Latest [Feb 26, 2022] H12-821_V1.0 Exam Dumps - Valid and Updated Dumps

Free Sales Ending Soon - 100% Valid H12-821_V1.0 Exam Dumps with 62 Questions

NEW QUESTION 12
Which of the following statements about WLAN roaming are true?

• A. APs for roaming do not need to have overlapping signal coverage.
• B. APs for roaming must 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: A

 

NEW QUESTION 13
Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

• A. The port In discarding or learning state does not forward data frames.
• B. The port in discarding or learning state does not learn MAC addresses
• C. The port in discarding state does not learn MAC addresses table.
• D. The port In learning stole docs not learn MAC addresses table.

Answer: B

 

NEW QUESTION 14
Which of the following statements regarding the LSA age field are true?

• A. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
• B. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
• C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
• D. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

Answer: A

 

NEW QUESTION 15
Which of the following attacks is not the network layer attack?

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

Answer: D

 

NEW QUESTION 16
Which of the following statements regarding the firewall zone security level is false?

• A. The default security level of the new zone is 1.
• B. The configured security level cannot be changed.
• C. Two zones cannot be configured with the same security level.
• D. Only the security level of the user-defined zone can be configured.

Answer: B

 

NEW QUESTION 17
Which of the following statements regarding IGMPv1 and IGMPv2 are true?

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

Answer: C

 

NEW QUESTION 18
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

Answer:

Explanation:
security policy

 

NEW QUESTION 19
Which of the following statements about the forwarding plane of a switch is false?

• A. Can collect packet statistics.
• B. Provides high-speed and non-blocking data channels.
• C. Consists of main control boards and interface boards.
• D. Can encapsulate and decapsulate packets.

Answer: A

 

NEW QUESTION 20
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 21
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 is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.
• 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 cannot be used to filter data packets.

Answer: A

 

NEW QUESTION 22
Drag the following VRRP states to the corresponding working mechanisms.

Answer:

Explanation:

Explanation
Master
Backup
Master
Backup

 

NEW QUESTION 23
Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

Answer:

Explanation:
pending

 

NEW QUESTION 24
In a route-policy, which of the following BGP attributes can be used in apply clauses?

• A. AS_Path
• B. Local-Preference
• C. Tag
• D. MED

Answer: A,B,D

 

NEW QUESTION 25
Which of the following configurations are not mandatory when an administrator configures VRRP?

• A. Virtual router priority
• B. Virtual IP address
• C. Preemption delay
• D. Preemption mode

Answer: B

 

NEW QUESTION 26
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. 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.
• D. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.

Answer: A

 

NEW QUESTION 27
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

• A. 0
• B. 3.3
• C. 1
• D. 2

Answer: D

 

NEW QUESTION 28
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?

• A. 75s
• B. 90s
• C. 20s
• D. 60s

Answer: C

 

NEW QUESTION 29
According to BGP route selection rules, the route with the higher Local_Pref is preferred.

• A. TRUE
• B. FALSE

Answer: A

 

NEW QUESTION 30
A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?

• A. System power-on and power-off control
• B. Temperature monitoring
• C. Voltage monitoring
• D. Fan control

Answer: B

 

NEW QUESTION 31
Which of the following statements regarding the BGP error display of a router false?

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

Answer: D

 

NEW QUESTION 32
Which of the following attribute must be carried in an Update message?

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

Answer: A

 

NEW QUESTION 33
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