H12-811-ENU問題集PDFでH12-811-ENUリアル試験問題解答
時間限定！今すぐ試そうH12-811-ENU試験 [2022] 問題集でHuaweiのPDF問題
質問 203
When using FTP for file transfer, how many TCP connections will be established?
- A. 0
- B. 1
- C. 2
- D. 3
正解: C
質問 204
Compared with STP, which of the following port roles are newly defined in RSTP? (Multiple choice)
- A. Alternate port
- B. Backup port
- C. Designated port
- D. Root port
正解: A,B
質問 205
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong?
- A. If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG and send it out
- B. The port type is Hybrid
- C. If the VLAN TAG carried in the data frame is 200, the switch strips off the VLAN TAG
- D. If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG 100
正解: A
質問 206
Broadly speaking, which of the following does the transmission medium that constitutes the wireless local area network wlan not include?
- A. Infrared
- B. Ray
- C. Laser
- D. Radio waves
正解: B
質問 207
Which of the following description about DD packets and LSA of OSPF is correct? (Multiple choice)
- A. The DD packet contains only LSA header information
- B. DD packet contains detailed information about LSA
- C. The header of an LSA can uniquely identify an LSA
- D. LSA header is only a small part of LSA
正解: A,C,D
質問 208
What is the destination IP address of the DHCP DISCOER message?
- A. 224.0.0.2
- B. 127.0.0.1
- C. 224.0.0.1
- D. 255.255.255.255
正解: D
質問 209
As shown in the figure below, all hosts can pass normally, so what is correct about the correspondence between the MAC address and the port in the MAC table of the SWB?
- A. MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3
- B. MAC-A GO/0/2 MAC-B G0/0/2 MAC-C G0/0/3
- C. MAC-A G0/0/3 MAC-B G0/0/3 MAC-C GO/0/1
- D. MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3
正解: C
質問 210
Which of the following port states does the RSTP protocol include? (Multiple choice)
- A. Listening
- B. Discarding
- C. Learning
- D. Forwarding
正解: B,C,D
質問 211
As shown in the figure below, all switches enable the STP protocol and keep other configurations in their default state. When the network is stable, which of the following statements are correct? (Multiple Choice)
- A. Both ports of SWC are in Forwarding state
- B. Both ports of SWB are in Forwarding state
- C. SWB is the root bridge in this network
- D. SWA is the root bridge in this network
正解: B,D
質問 212
Which of the following statements about router-on-a-stick are correct? (Multiple Choice)
- A. One physical connection per VLAN
- B. Use only one physical link connection between the switch and the router
- C. On the switch, configure the port connected to the router as a Trunk port, and allow frames of the relevant VLAN to pass
- D. Need to create a sub-interface on the router
正解: B,C,D
質問 213
A device has been configured to complete the Telnet configuration. The device login address is 10.1.1.10. The Telnet user name is admin and the password is Huawei@123. Which of the following is the correct way to log in to this device using telnetlib?
- A. telnetlib.Telnet （ 10.1.1.0,23, Huawei@123 )
- B. telnetlib.Telnet （ 10.1.1.0,admin )
- C. telnetlib.Telnet （ 10.1.1.0,23,admin,Huawei@123 )
- D. telnetlib.Telnet （ 10.1.1.0 )
正解: C
質問 214
Which of the following levels is not a common network level in mid-sized campus network architecture?
- A. Core layer
- B. Access layer
- C. Network layer
- D. Convergence layer
正解: C
質問 215
The router running the OSPF protocol can reach the FULL state after completing the LSDB synchronization.
- A. True
- B. False
正解: A
質問 216
On the switch, which VLANs can be deleted by using the undo command? (Multiple choice)
- A. vlan 2
- B. vlan 4094
- C. vlan 1
- D. vlan 1024
正解: A,B,D
質問 217
Which of the following statement about static routing in Huawei equipment is wrong?
- A. The range of the static route priority value is 1-255
- B. When the priority of the static route is 0, the route will definitely be preferred.
- C. The cost value (Cost) of the static route cannot be modified.
- D. The default value of the static route priority is 60
正解: A
質問 218
Regarding the corresponding relationship between the access control list number and type, which of the following description is correct?
- A. The number range of interface-based access control list is 1000-2000
- B. The access control list number range of the second layer is 4000-4999
- C. The basic access control list number range is 1000-2999
- D. The range of advanced access control list numbers is 3000-4000
正解: B
質問 219
Which of the following descriptions about spanning tree designated ports is correct?
- A. The designated port can forward configuration BPDU messages to the network segment connected to it.
- B. The port on the root switch must be a designated port.
- C. The port on the root switch must not be a designated port.
- D. Each switch has only one designated port.
正解: A
質問 220
The role of telnet.read_all() in Telnetlib is to read all data until EOF. If the echo does not return EOF, it will always be blocked.
- A. True
- B. False
正解: A
質問 221
In the network shown in the figure, the administrator hopes that all hosts cannot access the web service (the port number is 80), and other services are normally accessed, so in the interface configuration of G0/0/1, traffic-filtar outbound needs to define which ACL rule?
- A. acl number 3003 rule 5 permit ip rule 10 deny udp destination-port eq www #
- B. acl number 3002 rule 5 permit ip rule 10 deny tcp destination-port eq www #
- C. acl number 3000 rule 5 deny tcp destination-port eq www rule 10 permit ip #
- D. acl number 3001 rule 5 deny udp destination-port eq www rule 10 permit ip #
正解: C
質問 222
By default, how long is the lease period of the IP address assigned by the DHCP server?
- A. 1h
- B. 18h
- C. 24h
- D. 12h
正解: C
質問 223
Which of the following IEEE 802.11 standards support operation in the 5GHz frequency band? (Multiple choice)
- A. 802.11ac
- B. 802.11g
- C. 802.11n
- D. 802.11a
正解: A,D
質問 224
Which type of message is used by network devices running SNMPv 1 protocol to actively send alarm information?
- A. Trap
- B. Get Request
- C. Response
- D. Get-Next Request
正解: A
質問 225
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