2023年最新のに更新された検証済みのH12-821_V1.0問題集と解答で合格保証もしくは全額返金
H12-821_V1.0のPDF問題とテストエンジンには62問があります
質問 # 22
The Interface \P address and VRRP virtual IP address can be the same.
- A. FALSE
- B. TRUE
正解：B
質問 # 23
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 neighbor address of this router is 10.1.1.5.
- D. The error may be caused by the incorrect neighbor address.
正解：A
質問 # 24
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：A
質問 # 25
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. Is used together with the route import function to advertise some imported external routes to neighbors.
- B. Controls the advertisement of routes generated by the device.
- C. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
- D. Filters LSPs to be advertised.
正解：C
質問 # 26
Which of the following statements about WLAN roaming are true?
- A. APs for roaming must be in the same extended service set (ESS).
- B. APs for roaming do not need to have overlapping signal coverage.
- C. APs for roaming must have overlapping signal coverage.
- D. APs for roaming must be in the same basic service set (BSS).
正解：B
質問 # 27
In BGP, the origin attribute of the routes imported using the import-route command is incomplete.
- A. FALSE
- B. TRUE
正解：B
質問 # 28
Which of the following statements regarding the LSA age field are true?
- A. 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.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
- D. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
正解：B
質問 # 29
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 20s
- B. 75s
- C. 90s
- D. 60s
正解：A
質問 # 30
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
- B. 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.
- C. The cost of all routes is set to 200.
- D. All the routes that are not permitted by node 10 will be denied.
正解：A
質問 # 31
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. FLASE
- B. TRUE
正解：B
質問 # 32
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Preemption delay
- B. Virtual router priority
- C. Virtual IP address
- D. Preemption mode
正解：C
質問 # 33
What parameters can a DHCP6 server assign to a DHCPv6 client?
- A. DNS server address
- B. SNTP server address
- C. IPV6 address/prefix
- D. Gateway address
正解：B
質問 # 34
To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.
- A. FALSE
- B. TRUE
正解：B
質問 # 35
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 learn MAC addresses
- B. The port In learning stole docs not learn MAC addresses table.
- C. The port in discarding state does not learn MAC addresses table.
- D. The port In discarding or learning state does not forward data frames.
正解：A
質問 # 36
When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.
- A. TRUE
- B. FALSE
正解：B
質問 # 37
Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 38
Which of the following routing protocols support the default route through command configuration?
- A. IS-IS
- B. BGP
- C. ICMP
- D. OSPF
正解：B
質問 # 39
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- A. 1.1.1.1/24
- B. 1.1.1.2/16
- C. 1.1.1.1/32
- D. 1.1.1.1/26
正解：A
質問 # 40
Drag the following VRRP states to the corresponding working mechanisms.
正解：
解説：
Explanation
Master
Backup
Master
Backup
質問 # 41
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. Tag
- B. AS_Path
- C. Local-Preference
- D. MED
正解：B、C、D
質問 # 42
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. FALSE
- B. TRUE
正解：B
質問 # 43
Which of the following statements is false?
- A. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- B. A device with a higher router priority has a higher election priority.
- C. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- 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 # 44
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 # 45
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：A
質問 # 46
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