2021 Valid H12-211-ENU Exam Updates - 2021 Study Guide
H12-211-ENU Certification - The Ultimate Guide [Updated 2021]
NEW QUESTION 202
Which packet is sent by the DHCPv6 client in response to the Advertise packet sent by the DHCPv6 server?
- A. Offer
- B. Advertise
- C. Reply
- D. Request
Answer: D
NEW QUESTION 203
Refer to the configuration output. Which following statements are correct? (Multiple Choice)
- A. VLAN 1 cannot pass over interface Gigabit Ethernet 0/0/1.
- B. Prior to changing the link-type to access, the command "undo port trunk allow-pass vlan all" must be used to renew the default configurations.
- C. Prior to changing the link-type to access, the command "undo port trunk allow-pass vlan 2 to 4096" must be used to renew the default configurations.
- D. VLAN 1 can pass over interface interface Gigabit Ethernet 0/0/1.
Answer: C,D
NEW QUESTION 204
What are the advantages of using DHCP to allocate IP addresses using Dynamic Host Configuration Protocol? (Multiple Choice)
- A. The configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server to facilitate unified management.
- B. Avoid IP address conflicts
- C. Heavy workload and poor management
- D. Can achieve IP address reuse
Answer: A,B,D
NEW QUESTION 205
Two routers are configured with OSPFv3. OSPFv3 is enabled on ail interfaces of each router.
Which of the following is true in the event that the network administrator does not configure a Router-ID?
- A. The IP address of interface G0/0/0 will be used as the router ID.
- B. No router ID will be assigned to the router.
- C. The IP address of the loopback 1 interface will be used as the router ID.
- D. The IP address of the loopback 0 interface will be used as the router ID.
Answer: B
NEW QUESTION 206
The output information of a link aggregation port of a switch is as follows. If you want to delete Eth-Trunk 1, which of the following command is correct?
- A. inte GigabitEthernet 0/0/1 undo eth-trunk quit undo interface Eth-Trunk 1
- B. undo interface Eth-Trunk 1
- C. inte GigabitEthernet 0/0/1 undo eth-trunk quit inte GigabitEthernet 0/0/2 undo eth-trunk quit undo interface Eth-Trunk1
- D. inte GigabitEthernet 0/0/2 undo eth-trunk quit undo interface Eth-Trunk 1
Answer: A
NEW QUESTION 207
The routing table consists of multiple elements. What is wrong with the following statement?
- A. Proto shows to learn the routing protocol of this route
- B. Pre shows the priority of this routing protocol
- C. NextHop shows the local interface address of this route
- D. Destination/Mask shows the address and mask length of the destination network/host
Answer: C
NEW QUESTION 208
Which of the following commands is used to display the OSPF neighbor relationship establishment?
- A. display ospf peer
- B. display ospf interface
- C. display ospf brief
- D. display ospf neighbor
Answer: A
NEW QUESTION 209
A network administrator uses the ping command to check for points of failure in the network. Which protocols will be used during this process? (Multiple Choice)
- A. UDP.
- B. TCP.
- C. ICMP.
- D. ARP.
Answer: C,D
NEW QUESTION 210
As shown in the following figure, Switch A and Router A are connected through two links. The two links are in the manual load balancing mode. The aggregation port number is 1, and the aggregation link needs to forward data. Carrying VLAN TAG 100, which configuration does Router A need to use? (Multiple Choice)
- A. interface Eth-Trunk1 mode lacp-static port link-type trunk port trunk allow-pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1 #
- B. interface GigabitEtherneta/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1
- C. interface Eth-Trunk1 port linlk-type trunk port trunk allow-pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 #
- D. interface Eth-Trunk1 undo portswitch # interface Eth-Trurnk1.100 dot1q termination vid 100 ip address 10.0.12.2 255.255.255.0 arp broadcast enable #
Answer: B,D
NEW QUESTION 211
[R1] ospf
[R1-ospf-1] area 1
[R1-ospf-1-area-0.0.0.1] network 10.0.12.0 0.0.0.255
As shown in the configuration, the administrator has configured OSPF on R1, but R1 cannot learn the routes of other routers. The possible reason is (). (Multiple Choice)
- A. The OSPF process ID is not configured when this router is configured.
- B. This router is not configured with authentication, but the neighbor router is configured with authentication.
- C. The area ID configured by this router is different from the area ID of its neighbor router.
- D. This router does not announce the network connecting neighbors when configuring OSPF.
Answer: B,C,D
NEW QUESTION 212
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: D
NEW QUESTION 213
On Huawei AR G3 Series routers, which authentication modes does AAA support? (Multiple Choice)
- A. Radius.
- B. Local.
- C. 802.1X.
- D. None.
Answer: A,B,D
NEW QUESTION 214
Which of the following fields are fields that exist in both IPv6 and IPv4 headers? (Multiple Choice)
- A. Version
- B. Destination Address
- C. Source Address
- D. Next Header
Answer: A,B,C
NEW QUESTION 215
The following configuration shows that the IP address of GE0/0/0 on a device is incorrect because the IP address of the interface cannot end in 0.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 216
NAFT differentiates IP addresses of different users based on protocol ID in TCP, UDP, or IP packets.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 217
When upgrading the router software using the FTP protocol, which transfer mode should be selected?
- A. Binary mode
- B. Byte mode
- C. Text mode
- D. Streaming byte mode
Answer: A
NEW QUESTION 218
As shown in the figure, the network administrator creates VLAN 2 on the SWA and SWB, and configures the ports connected to the hosts on the two switches as access ports and assigns them to VLAN 2. Configure G0/0/1 of SWA and G0/0/2 of SWB as trunk ports to allow all VLANs to pass. To achieve normal communication between the two hosts, what do you need tod do?
- A. Create VLAN2 on the SWC.
- B. Create VLAN 2 on the SWC, configure G0/0/1 and G0/0/2 as trunk ports, and allow VLAN 2 to pass.
- C. Configure G0/0/1 on the SWC as the trunk port and allow VLAN 2 to pass. G0/0/port is set as the access port and PVID is 2.
- D. Configure G0/0/1 on the SWC as the trunk port and allow VLAN 2 to pass.
Answer: B
NEW QUESTION 219
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