H12-811_V1.0 Dumps - Grab Out For [NEW-2022] Huawei Exam
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NEW QUESTION 145
In the network shown in the figure below, the host has an ARP cache. Which of the following statements is correct?
- A. host A and machine B can communicate in two directions
- B. The following entries exist in the ARP cache of host A: 11.0.12.1 MAC-B
- C. The router needs to be configured with static routing, otherwise host A and soil machine B cannot communicate in both directions
- D. There may be the following entry 10.0.12.2MAC-C in the ARP cache of host A
Answer: A,D
NEW QUESTION 146
As shown in the figure, when the switch needs to forward the frame with the destination MAC address of
5489-98ec-f011, the following description is correct.
- A. The switch needs to send a request to discover the device with the MAC address of 5489-98ec-f011
- B. The switch does not find a matching entry in the MAC address table, so the frame will be discarded
- C. The switch will send a message that the destination is unreachable to the source device
- D. The switch will flood the frame on all ports except the port that received the frame
Answer: D
NEW QUESTION 147
Which of the following parameters need to be considered when electing a root port in STP? ()*
- A. Port priority
- B. The cost of the port reaching the root switch
- C. MAC address of E port
- D. Duplex mode of the port
- E. Port slot number, such as G0/0/1
Answer: A,B,E
NEW QUESTION 148
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information?
- A. Beacon
- B. Join
- C. Discovery
- D. Probe
Answer: C
NEW QUESTION 149
What is the IEEE802.11 standard corresponding to Wi-Fi6?
- A. 802. llau
- B. 802. 1lat
- C. 802.1lax
- D. 802.1lac
Answer: C
NEW QUESTION 150
Which of the following are not the characteristics of a small campus network? ()
- A. Simple network requirements
- B. Wide coverage
- C. Single network level
- D. Low number of users
Answer: B
NEW QUESTION 151
Which layer of protocol does ARP belong to
- A. Network layer
- B. Transport layer
- C. data link layer
- D. Physical layer
Answer: C
NEW QUESTION 152
In the network as shown in the figure below, host A logs in to router A through Telnet. Then obtains the configuration file of router B through FTP on the remote interface. At this time, how many TCP connections does router A have? () (Single-choice question)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 153
The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0/1 port hybriD.taggeD.vlan 2 to 3 100 port hybriD. untaggeD. vlan 4 6#
- A. 2.3, 4, 6, 100
- B. 1, 2, 3, 4.6, 100
- C. 1, 2.3, 100
- D. 2, 3, 100
Answer: D
NEW QUESTION 154
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
- A. Received a data frame with a source MAC address of 5489-9811-0b49 and a destination MAC address of 5489-989d1d30 from the port. Forwarded from the Eth0/0/2 port
- B. When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
- C. The data frame with the source MAC address of 5489-9885-18a8 and the destination MAC address of 5489-989d-1d30 is received from the port. It is forwarded from the Eth0/0/1 port
- D. When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
Answer: C
NEW QUESTION 155
Which of the following statements about RA and RS messages in IPv6 are correct?
- A. RA is used to reply address prefix information
- B. RA is used to request address prefix information
- C. RS is used to reply address prefix information
- D. RS is used to request address prefix information
Answer: A,D
NEW QUESTION 156
The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the data frame will be forwarded from the corresponding port of this MAC. ()
- A. False
- B. True
Answer: B
NEW QUESTION 157
The output information of the STP port of a certain switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
[Huawei]display stp interface Ethernet 0/0/1
-------[CIST Global Info][Mode STP]-------
CIST Bridge: 32768.4c1f-cc46-4618
Config TimesHello 4s MaxAge 20s FwDly 15s MaxHop 20
Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC:0.4c1f-ccf7-3214/200000
CIST RegRoot/IRPC: 32768.4c1f-cc46-4d18/0
- A. The switch is not a root bridge
- B. Forward-delay is 20s
- C. The period for sending configuration BPDUs on this port is 2s
- D. Configure the MaxAge of the BPDU to 20s
Answer: B
NEW QUESTION 158
Which of the following IPv4 addresses is a class A address? ()
- A. 172.16.1.1
- B. 100.1.1.1
- C. 192.168.1.1
- D. 127.0.0.1
Answer: B
NEW QUESTION 159
In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()
- A. Rays
- B. laser
- C. infrared
- D. Radio wave
Answer: A
NEW QUESTION 160
VRP does not support how to configure the router?
- A. Configure the router via Telnet
- B. Configure the router through the mini USB port
- C. Configure the router via FTP
- D. Configure the router through the Console port
Answer: C
NEW QUESTION 161
The figure shows the routing table of router R1. If R1 sends a packet with a destination IP address of 10.0.2.2, which interface needs to be sent from?
- A. Ethernet 0/0/2
- B. Ethernet 0/0/0
- C. Ethernet 0/0/1
- D. GigabitEthernet 0/0/0
Answer: C
NEW QUESTION 162
There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the network administrator needs to configure NAT on the gateway router RTA.
- A. (RTA-Gigabitethernet0/0/1) nat server protocol tcp global 192.168.1.1 www inside 202.10.10.18080
- B. (RTA-Gigabitethernet0/0/1) nat server protocol tcp global 202.10.10.1 www inside 192.168.1.18080
- C. (RTA-Serial1/0/1) nat server protocol tcpglobal 192.168.1.1 www inside202.10.1 0.18080
- D. (RTA-Serial1/0/1) nat server protocol top global 202.10.10.1 www inside192.168.1.18080
Answer: D
NEW QUESTION 163
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