[2024年04月13日] 最速準備で試験合格！H12-821_V1.0-ENU問題の事前予備
H12-821_V1.0-ENUのPDF問題集リアル2024最近更新された問題
質問 # 21
Which of the following parameters are not mandatory items when configuring BGP Peer? (Multiple choice)
- A. description
- B. as number
- C. Password
- D. IP Address of the peer
正解：A、C
質問 # 22
Option 82 in the DHCP message is called the relay agent information option, from which the administrator can obtain a lot of information about the client. Option 82 can contain at most () Sub-Option.
正解：
解説：
255
質問 # 23
Regarding the description of the summary automatic command and BGP aggregation, which of the following is incorrect?
- A. After configuring this command, BGP only sends aggregated routes to the peer
- B. This command is used to realize automatic aggregation, and its priority is higher than manual aggregation
- C. After configuring this command, BGP will aggregate routes according to natural network segments
- D. This command is used to enable automatic aggregation of locally imported routes
正解：B
質問 # 24
Which of the following BGP route attributes can the Route-Policy tool modify? (Multiple choice)
- A. Community
- B. Origin
- C. Preferred-Value
- D. AS_Path
- E. MED
正解：A、B、C、D、E
質問 # 25
Since VRRP protocol packets are encapsulated in IP packets, which of the following is the IP protocol number that identifies the upper layer protocol as VRRP in the IP packet header?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 26
How does IGMPv2 router maintain the network segment group membership? (Multiple choice)
- A. The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires
- B. The router will query a specific group
- C. The router periodically sends Query messages, and the receiver host reports a Repeat message after receiving the Query message
- D. After receiving the eave message, the router immediately deletes the group membership
正解：A、B、C
質問 # 27
In the BGP routing rules, the route with the higher Local_Pref value is preferred.
- A. FALSE
- B. TRUE
正解：A
質問 # 28
What is the function of the DETAIL-SUPPRESSED option of the AGGREATE command?
- A. Only advertise aggregated routes to other BGP neighbors
- B. Suppress the delivery of the generated aggregated routes to the P routing table
- C. Advertise aggregated routes and detailed routes to other BGP neighbors
- D. Suppress the delivery of the aggregated detailed routes to the P routing table
正解：A
質問 # 29
Which of the following descriptions about the duplicate address detection function of NDP is wrong?
- A. An IPv6 unicast address is called a Tentative Address after it is assigned to an interface and before passing duplicate address detection.
- B. IPv6 duplicate address detection technology is similar to free ARP in IPv4
- C. Duplicate address detection function is realized through RS and RA messages
- D. The interface needs to perform duplicate address detection before enabling any unicast IPv6 address
正解：C
質問 # 30
Which of the following descriptions about the basic concepts of VRRP are wrong? (Multiple choice)
- A. A VRRP router may belong to one or more virtual routers
- B. The VRP backup group can consist of one Master device and multiple Master devices, and is regarded as the default gateway of hosts in a shared LAN
- C. A virtual router can only have one IP address, which is configured by the user
- D. VRRP uses VRID to identify virtual routers
正解：B、C
質問 # 31
There are 4 port roles defined in RSTP, among which the part role values in the flags field of the Alternative port and Backup port in the STP packet are always 01.
- A. FALSE
- B. TRUE
正解：B
質問 # 32
Which of the following functions does iMaster NCE support? (Multiple choice)
- A. Control function
- B. Administrative functions
- C. Forwarding function
- D. Analysis function
正解：A、B、D
質問 # 33
When Filter-Policy is deployed in OSPF, Filter -Policy will modify the LSDB of the OSPF.
- A. FALSE
- B. TRUE
正解：A
質問 # 34
In a large-scale WLAN network, if the VLAN Pool uses HASH to allocate VLANs, the number of users in each VLAN will be evenly divided.
- A. False
- B. True
正解：A
質問 # 35
Which of the following statements about roaming is correct? (Multiple choice)
- A. The AP that realize wireless roaming must be in the same basic service set (BSS)
- B. An AP that realizes wireless roaming does not need to have a signal covering the overlapping area
- C. AP that realizes wireless roaming must have signal coverage overlapping areas
- D. AP that realizes wireless roaming must be in the same Extended Service Set (ESS)
正解：C、D
質問 # 36
Regarding the description of the Hello message in PIM-SM, the error is:
- A. Hello packets are sent to the multicast address 224.0.0.5
- B. In the PIM-SM network, the newly started multicast router needs to use Hello messages to discover neighbors and maintain neighbor relationships
- C. The routers periodically use Hello messages to keep in touch
- D. Elect DR in multi-router network segment through Hello message
正解：A
質問 # 37
Among the commonly used routing policy tools for BGP, what can be used to filter routes? (Multiple choice)
- A. route-policy
- B. traffic-policy
- C. ip extcommunity-filter
- D. filter-policy
正解：A、C、D
質問 # 38
Which of the following statements about the concept of multicast is wrong?
- A. The group refers to the source, the sender of information, needs to join the multicast group to provide the forwarding of group refers to group messages
- B. Multicast router: router or layer three switch that supports layer 3 multicast function
- C. Multicast group, a set identified by IP multicast address
- D. Multicast group members, multicast group members can be widely distributed anywhere in the network
正解：A
質問 # 39
Currently, OSPF is often used as a routing protocol in enterprise networks, so what issues should be paid attention to when using OSPF as a routing protocol? (Multiple choice)
- A. Confirm the topology of the OSPF network to ensure that there will be no loops during OSPF route calculation
- B. Confirm that the COST of OSPF can correctly reflect the real bandwidth of the link above 100M
- C. Confirm that all non-backbone areas have correct and reliable links to the backbone area
- D. Confirm whether there will be a suboptimal route in the network under the route selection rules of OSPF
- E. Confirm that there will be no split in the backbone area
正解：B、C、D、E
質問 # 40
Regarding LSA3, LSA4 and LSA5, the correct description is:
- A. LSA3, LSA4 and LSA5 will not change after passing through different areas
- B. LSA5 will not change after passing through different areas, but LSA3 will change
- C. LSA3 will not change after passing through different areas, but LSA4 and LSA5 will change
- D. LSA4 will not change after passing through different areas, but LSA3 and LSA5 will change
正解：B
質問 # 41
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H12-821_V1.0-ENU問題集と練習テスト（966試験問題)：https://www.passtest.jp/Huawei/H12-821_V1.0-ENU-shiken.html
リリースHuawei H12-821_V1.0-ENU更新された問題PDF：https://drive.google.com/open?id=1VSyPmhnXdLjKYkBXrl2LsnBgwl9epGZS