[Dec 07, 2021] H12-811-ENU Exam Dumps - Try Best H12-811-ENU Exam Questions - BraindumpsPrep
Verified H12-811-ENU exam dumps Q&As with Correct 454 Questions and Answers
NEW QUESTION 60
The Backup ports in RSTP may alternatively failed root port.
- A. False
- B. True
Answer: A
NEW QUESTION 61
The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? (Multiple Choice)
- A. The matching method of the address table is to match the route of the destination network segment with the longest mask
- B. The flow table is variable length. A network device can only have one flow table
- C. The routing table is of fixed length. A device can only have one public routing table
- D. The matching method of the flow table is to match the MAC address and IP address of the traffic at the same time
Answer: A,C,D
NEW QUESTION 62
How many types of data flows with different service levels can be marked based on MPLS labels?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 63
Which statement is wrong about the ARP message?
- A. Any link layer protocol requires ARP messages to assist in obtaining data link layer identification
- B. ARP reply packets are sent unicast
- C. ARP request message is sent by broadcast
- D. ARP packets cannot be forwarded to other broadcast domains
Answer: A
NEW QUESTION 64
Which of the following statements about Trunk port and Access port are correct?
- A. Trunk ports can only send untagged frames
- B. Trunk ports can only send tagged frames
- C. Access port can only send tagged frames
- D. Access port can only send untagged frames
Answer: D
NEW QUESTION 65
The configuration of the country code will affect the actual transmission frequency and maximum transmission power.
- A. False
- B. True
Answer: B
NEW QUESTION 66
The output information of a switch is shown in the figure. Which of the following statements is correct? (Multiple choice)
- A. The GE0/0/2 port of the switch carries VLAN TAG when sending VLAN20 data frames
- B. The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN10 data frames
- C. The user manually created 4 VLANs
- D. The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN20 data frames
Answer: A,B,C
NEW QUESTION 67
By default, the root path cost of the root bridge in the STP protocol must be 0.
- A. False
- B. True
Answer: B
NEW QUESTION 68
The Layer 2 switch is a data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table.
- A. False
- B. True
Answer: B
NEW QUESTION 69
In the network shown in the figure below, all routers run OSPF protocol. Above the link is the value of the Cost value, then the path for RTA to reach the network 10.0.0.0/8 is:
- A. A-D
- B. RTA cannot reach 10.0.0.0/8
- C. A-C-D
- D. A-B-D
Answer: C
NEW QUESTION 70
What command views exist in the VRP operating platform? (Multiple choice)
- A. System view
- B. User view
- C. Interface view
- D. Agreement view
Answer: A,B,C,D
NEW QUESTION 71
What is the value of TPID defined by IEEE802.1Q?
- A. 0x8100
- B. 0x7200
- C. 0x8200
- D. 0x9100
Answer: A
NEW QUESTION 72
What is the value of the Type field in the RStp configuration BPDU message?
- A. Ox01
- B. ox02
- C. ox03
- D. ox00
Answer: B
NEW QUESTION 73
In the network shown in the figure below, all routers run the OSPF protocol, and the link cost value is shown in the figure. What is the cost value of the route entry to the network 10.0.0.0/8 in the RTA routing table?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 74
A certain ACL of the router is in the following rules, rule deny source 192.168.2.0 0.0.0.255 destination 172.16.10.2 0.0.0.0 Which statement is correct?
- A. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.2 are configured with this rule.
- B. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
- C. All TCP packets whose source IP is 172.16.10.2. Destination IP is 192.168.2.1 match this rule
- D. All TCP packets whose source IP is 172.16.10.2 and destination IP 192.168.2.0 match this rule
Answer: A
NEW QUESTION 75
The administrator wants to configure a hundred IP address on the G0/0/0 interface of the router, then which of the following addresses is correct?
- A. 145.4.2.55/26
- B. 237.6.1.2/24
- C. 192.168.10.112/30
- D. 127.3.1.4/28
Answer: A
NEW QUESTION 76
Which of the following port states is not included in the RSTP protocol?
- A. Blocking
- B. Learning
- C. Discarding
- D. Forwarding
Answer: A
NEW QUESTION 77
After the administrator successfully logs in to the router through Telnet, and finds that the router's interface IP address cannot be allocated, the possible reasons are ()
- A. The Telnet user authentication mode is incorrectly configured
- B. The Telnet user level is incorrectly configured
- C. SNMP parameter is incorrectly configured
- D. The administrator uses the telnet terminal software to prohibit the corresponding operation
Answer: B
NEW QUESTION 78
Which of the following statements is correct?
- A. The router works at the physical layer
- B. The switch works at the physical layer
- C. The router works at the network layer
- D. The switch works at the network layer
Answer: C
NEW QUESTION 79
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Beacon
- B. ResponseProbe Request
- C. Probe
- D. Discovery
Answer: B
NEW QUESTION 80
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