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Huawei HCDA Dumps H12-211-ENU Exam for Full Questions - Exam Study Guide
NEW QUESTION 155
In the PPPoE discovery stage, the PPPoE server assigns a session-id to the PPPoE client in which packet?
- A. PADI.
- B. PADR.
- C. PADO.
- D. PADS.
Answer: D
NEW QUESTION 156
A network administrator uses the ping command to test connectivity to the destination 10.0.0.2 ： on a Huawei AR series router. Which statement regarding the output is correct?
- A. The path between the source and destination is not OK.
- B. The network administrator used the command ping -a 2 -v 800 10.0.0.2.
- C. The network administrator used the command ping -c 2 -s 800 10.0.0.2.
- D. The network administrator changed the default TTL value.
Answer: C
NEW QUESTION 157
On an FR network, when the fr inarp command is executed, the interface where static address mapping entries have been configured sends an Inverse ARP Request packet to the remote device to replace the static address mapping entries.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 158
The administrator wants to completely delete the old device configuration file <config.zip>, then which of the following command is correct?
- A. reset config.zip
- B. clear config.zip
- C. delete /unreserved config.zip
- D. delete /force config.zip
Answer: C
NEW QUESTION 159
As shown in the following figure, host A logs in to Router A through Telnet, and then obtains the configuration file of Router B through FTP on the remote interface. How many TCP connections exist on Router A?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 160
On the network shown in the following figure, if the static route is configured on the RouterB, the NextHop corresponding to 2001::1/128 is in the routing table of RouterB.
ipv6 route-static 2001::1 128 3001::12:1
- A. 3001::12:2
- B. fe80::fe03:c3fb
- C. 3002::12:1
- D. 3001::12:1
Answer: D
NEW QUESTION 161
One of the reasons for the emergence of SR (Segment Routing) is that there are some factors that restrict the development of traditional LDP. What are the correct descriptions about LDP of the following? (Multiple Choice)
- A. LDP calculation depends on IGP. When IGP and LDP are not synchronized, it will cause black holes and affect the service.
- B. LDP cannot implement automatic label allocation
- C. LDP only supports IGP shortest path (minimum overhead) for path calculation, and does not support traffic engineering.
- D. LDP itself has 11 kinds of protocol packets, which greatly increases link bandwidth consumption and device CPU utilization.
Answer: A,C,D
NEW QUESTION 162
Which of the following descriptions regarding the TTL field of the IP packet is correct?
- A. The TTL defines how many packets the source can send.
- B. The TTL value will increment by 1 each time the packet is routed.
- C. The TTL defines the duration during which the source can send packets.
- D. The TTL value will decrement by 1 each time the packet is routed.
Answer: D
NEW QUESTION 163
Which descriptions are correct about the Ethernet subinterface? (Multiple Choice)
- A. The IP address of the sub-interface cannot belong to the same network segment.
- B. The subinterface ID should be the same as the VLAN ID.
- C. The subinterface cannot be configured with an IP address.
- D. A subinterface can be bound to multiple VLANs
Answer: A,D
NEW QUESTION 164
In RSTP mode, both alternate and backup ports cannot forward user traffic but can receive, process, and send BPDU.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 165
The STP root switch is elected based on the priority of the switch. In RSTP, the switch priority and MAC address are compared at the same time.
- A. False
- B. True
Answer: A
NEW QUESTION 166
Which of the following problems may emerge when a loop exists on a router? (Multiple Choice)
- A. Increased memory usage.
- B. Increased packet size.
- C. Continuous change of destination IP addresses of packets.
- D. Infinite packet forwarding.
- E. Increased CPU usage.
Answer: A,E
NEW QUESTION 167
The current switch MAC address table is as follows, which is correct?
- A. When the switch is restarted, the MAC address learned on port Eth0/0/3 needs to be re-learned.
- B. The data frame with the source MAC address of 5489-9811-0b49 and the destination MAC address of 5489-989d-1430 is received from the port and forwarded from Eth0/0/2.
- C. When the switch is restarted, the MAC address learned on port Eth0/0/2 does not need to be re-learned.
- D. The data frame with the source MAC address of 5489-98885-18a8 and the destination MAC address of 5489-989d-1d30 is received from the port and forwarded from Eth0/0/1.
Answer: D
NEW QUESTION 168
On the Huawei device, if AAA authentication is used for authorization, when the remote server does not respond, authorization can be performed from the network device side.
- A. True
- B. False
Answer: A
NEW QUESTION 169
In the following options, which is the necessary technology to enable a host with an IP address of 10.0.0.1 to access the Internet?
- A. Route introduction
- B. Dynamic routing
- C. Static routing
- D. NAT
Answer: D
NEW QUESTION 170
As shown in the following figure, from the perspective of the security corner, Router A refuses to receive OSPF packets, GRE packets and ICMP packets received from G0/0/1. Which of the following commands can fulfill this requirement? (Multiple choice)
- A. acl number 3000 rule 5 deny gre rule 10 deny 89 rule 15 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 #
- B. acl number 2000 rule 5 deny 47 rule 10 deny 89 rule 15 deny 1 # interface GigabitEthernet0/0/1 traffic-filter inbound acl 2000 #
- C. acl number 3000 rule 5 deny gre rule 10 deny ospf rule 15 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 #
- D. acl number 3000 rule 5 deny 47 rule 10 deny 89 rule 15 deny 1 # interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 #
Answer: A,C,D
NEW QUESTION 171
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