2023年最新のH12-821_V1.0問題集PDFでH12-821_V1.0リアル試験問題解答 [Q12-Q34]

2023年最新のH12-821_V1.0問題集PDFでH12-821_V1.0リアル試験問題解答

有効なH12-821_V1.0テスト解答とHuawei H12-821_V1.0試験PDF問題を試そう

質問 # 12
Which of the following statements is false?

• A. A device with a higher router priority has a higher election priority.
• B. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
• C. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
• D. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.

正解：D

質問 # 13
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

• A. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
• B. Is used together with the route import function to advertise some imported external routes to neighbors.
• C. Controls the advertisement of routes generated by the device.
• D. Filters LSPs to be advertised.

正解：A

質問 # 14
Which of the following attacks is not the network layer attack?

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

正解：A

質問 # 15
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?

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

正解：D

質問 # 16
ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

• A. If the firewall security policy permits packets to pass, the session table is created.
• B. Packets must pass the firewall, and a session table is established.
• C. By default, when status detection is disabled and the permit policy is configured packets can pass.
• D. If the firewall security policy permits packets to pass, the packets can pass the firewall.

正解：A

質問 # 17
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?

• A. 1.1.1.1/26
• B. 1.1.1.1/32
• C. 1.1.1.1/24
• D. 1.1.1.2/16

正解：C

質問 # 18
Which of the following PIM protocol packets have unicast destination addresses.

• A. Graft
• B. Assert
• C. Register Stop
• D. Bootstrap

正解：A

質問 # 19
Which of the following statements regarding the firewall zone security level is false?

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

正解：D

質問 # 20
The Interface \P address and VRRP virtual IP address can be the same.

• A. FALSE
• B. TRUE

正解：B

質問 # 21
Which of the following statements regarding different LSA types is false?

• A. LS Request packets contain only LS Type, LS ID, and Advertising Router.
• B. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
• C. LS Ack packets contain complete LSA information.
• D. LS Update packets contain complete LSA information.

正解：D

質問 # 22
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

正解：C

質問 # 23
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

• A. The cost of an IS-IS interface is changed.
• B. The level of an ISIS interface is changed.
• C. The interval at which an IS-IS interface sends IIH packets is changed.
• D. The IP address of an ISIS interface is changed.

正解：B

質問 # 24
Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

正解：

解説：
pending

質問 # 25
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. Error Type indicates that the BGP error is caused by the neighbor relationship error.
• C. The neighbor address of this router is 10.1.1.5.
• D. The error may be caused by the incorrect neighbor address.

正解：B

質問 # 26
A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?

• A. Non-root switch
• B. Uncertain
• C. Secondary root switch
• D. Root switch

正解：B

質問 # 27
Which of the following statements regarding IGMPv1 and IGMPv2 are true?

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

正解：A

質問 # 28
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

正解：B

質問 # 29
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

• A. TRUE
• B. FALSE

正解：B

質問 # 30
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. TRUE
• B. FALSE

正解：B

質問 # 31
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. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
• C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
• D. 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.

正解：A

質問 # 32
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

• A. FALSE
• B. TRUE

正解：B

質問 # 33
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. 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.
• B. 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.
• C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
• D. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.

正解：D

質問 # 34
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