[Aug 26, 2022] Latest HCIA-Datacom H12-811_V1.0 Actual Free Exam Questions
HCIA-Datacom H12-811_V1.0 Dumps Updated Practice Test and 701 unique questions
NEW QUESTION 315
The output information of the routing table of a certain router is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
<R1>display ip routing-table
Route Flags: R-relay, D-download to fib
- A. The NextHop for this router to reach 10.0.0.1 is 10.0.21.2
- B. The NextHop for this router to reach 10.0.0.1 is 10.0.12.2
- C. The NextHop for this router to reach 10.0.2.2 is 10.0.12.2
- D. The NextHop for this router to reach 10.0.2.2 is 10.0.21.2
Answer: B,D
NEW QUESTION 316
As shown in the figure below, the MAC address table of SWA is as follows. The switch never learns the MAC address of host A.
Which of the following is impossible?
- A. The G0/0/1 port of the switch has disabled MAC address learning
- B. HOSTA did not send any data frames
- C. SWA disables the MAC address learning function of the VLAN to which host A belongs
- D. The G0/0/1 port of the switch is set to ACCESS mode
Answer: D
NEW QUESTION 317
In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
- A. 2-way
- B. ExStart
- C. Exchange
- D. Full
Answer: A
NEW QUESTION 318
Which of the following messages belong to the 0SPF protocol?
- A. HELLO
- B. LSU
- C. LSA
- D. LSR
Answer: A,B,D
NEW QUESTION 319
Which devices are generally involved in wlan deployment schemes in enterprise scenarios? ()*
- A. AC (Acess Controller)
- B. Poe switch
- C. AP
- D. CPE
Answer: A,B,C
NEW QUESTION 320
Which of the following descriptions of wireless devices is correct?
- A. FIT AP independently completes user access, authentication, service forwarding and other functions, and FAT AP works in conjunction with wireless controllers.
- B. The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed, safe and reliable WAN services
- C. The wireless device does not have a wired interface
Answer: B
NEW QUESTION 321
The login timeout period in the VRP system can only be set under the VTY interface.
- A. False
- B. True
Answer: A
NEW QUESTION 322
According to the following configuration, which statement is correct? () (Multiple Choice Questions)
Int g0/0/1
Int g0/0/2
Port hybrid pvid vlan 20
Port hybrid pvid vlan 10
Port hybrid untagged vlan 10 20
Port hybrid untagged vlan 10 20
- A. Host A (PC3) cannot ping host B (PC4)
- B. The pvid of switch G0/0/1 port is 20
- C. The two link data frames do not contain vlan tag
- D. Host A (PC3) can ping through host B (PC4) more
Answer: B,C,D
NEW QUESTION 323
As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally.
- A. False
- B. True
Answer: A
NEW QUESTION 324
As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
- A. R1 and R2 can establish a stable OSPF neighbor relationship
- B. As long as the interface network type of R1 is restored to the default broadcast type, and the hello time is adjusted to 10s, R1 and R2 can establish a stable neighbor relationship
- C. As long as the interface network type of R1 is restored to the default broadcast type, R1 and R2 can establish a stable neighbor relationship
- D. R1 is more likely to become DR than R2, because its interface DR priority value is smaller
Answer: B
NEW QUESTION 325
What is the total length of the interface identifier of the link-local unicast address in bits?
- A. 32bit
- B. 48bit
- C. 64bit
- D. 96bit
Answer: C
NEW QUESTION 326
Which of the following IPv6 is a global unicast address ()
- A. FF:02:2E0:FCFF:FEEF:FEC
- B. 2001::12:1
- C. FF02:1
- D. FEE:FCFF:FEEF:FEC
Answer: B
NEW QUESTION 327
Which of the following descriptions about OSPF's DD. packets and LSA. is correct ()*
- A. The header of an LSA can uniquely identify an LSA
- B. The DD packet contains the detailed information of the LSA
- C. DD packets only contain the header information of LSA
- D. The LSA header is only a small part of the LSA
Answer: A,C,D
NEW QUESTION 328
A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()
- A. VLSM
- B. RSTP
- C. CIDR
- D. TeInet
Answer: D
NEW QUESTION 329
Which of the following descriptions about the router is wrong?
- A. The router works at the network layer
- B. The router can realize IP packet forwarding
- C. The router can be used as a gateway device
- D. The router cannot isolate the broadcast domain
Answer: D
NEW QUESTION 330
What level of encapsulation format does the PPP protocol define in the OSI reference model?
- A. Data link layer
- B. Network layer
- C. Application layer
- D. Presentation layer
Answer: A
NEW QUESTION 331
SNMP messages are carried over UDP.
- A. False
- B. True
Answer: B
NEW QUESTION 332
Which of the following statements about OSPF neighbor status are correct?
- A. The sequence number of the DD message is determined in the Exchange state
- B. After the router LSDB synchronization is completed, it is converted to Full state
- C. The master-slave relationship of OSPF is formed in the ExStart state
- D. In the Exchange state, routers send each other DD packets containing a summary of link state information, describing the contents of the local LSDB
Answer: B,D
NEW QUESTION 333
Currently, the company has a network administrator, and the AR2200 in the company network can be remotely managed by directly entering the password through Telnet. After the two new network administrators arrived, the company hopes to assign their own user names and passwords to all the administrators, as well as different levels of authority. So how should it be done? ()
- A. Each administrator uses a different public IP address of the device when running the Telnet command
- B. When configuring each administrator's account, different permission levels need to be configured
- C. Configure three user names and their corresponding passwords in the AAA. view
- D. The user authentication mode configured by Telnet must be AAA.
Answer: B,C,D
NEW QUESTION 334
The administrator cannot log in to the Huawei router through Telnett, but other administrators can log in normally, so which of the following are the possible reasons? ()*
- A. The authority level of the administrator user account has been modified to 0
- B. The administrator user account has been disabled
- C. The administrator user account has been deleted
- D. The Te1net service of the AR2200 router has been disabled
Answer: B,C
NEW QUESTION 335
In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
- A. VAC
- B. VT
- C. VAP
- D. WAP
Answer: B
NEW QUESTION 336
Which of the following statements about the S field in the MPLS packet header are correct? ()*
- A. The s bit has only ibit in frame mode, and 2bit in cell mode
- B. Used to mark whether there are other labels behind this label, 1 means yes, 0 means no
- C. The s bit exists in every MPLS packet header
- D. Used to mark whether there are other labels behind this label, 0 means yes, 1 means no
Answer: C,D
NEW QUESTION 337
In the VRP system, what function does the Ctrl+Z key combination have? ()
- A. Exit interface view
- B. Exit the console interface view
- C. Return from system view to user view
- D. Return to user view from any view
- E. Exit the current view
Answer: D
NEW QUESTION 338
1/128 is the IPv6 loopback address ()
- A. False
- B. True
Answer: B
NEW QUESTION 339
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