Updated Sep-2022 H12-811-ENU Free Exam Files Downloaded Instantly [Q271-Q295]

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Updated Sep-2022 H12-811-ENU Free Exam Files Downloaded Instantly

Practice Exams and Training Solutions for Certifications

NO.271 The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?

The source IP is 192.168.1.1, the destination IP is 172.16.10.1, and all TCP packets whose destination port number is 21 match this rule

The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this one

The source IP of the rule is 192.168.1.1, the destination IP is 72.16.10.3. All TCP packets with the destination port number of 21 match this rule

The type of ACL is a basic ACL

NO.272 In the configuration BPDU sent by the switch, which bridge ID is unlikely to appear?

8192 00-01-02-03-04-CC

4096 00-01-02-03-04-CC

0 00-01-02-03-04-CC

2048 00-01-02-03-04-CC

NO.273 In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message sent by the AP, the AC will check the validity of the AP. Which of the following is the authentication method supported by the AC? (Multiple choice)

SN certification

Password authentication

MAC authentication

Not certified

NO.274 The router Radius information configuration is shown in the figure. Which of the following statement is correct? (Multiple Choice)

The source IP source address of the Radius packet sent by the router is 200.0.12.2

The IP address of the accounting server is 200.0.12.1

The IP address of the authorization server is 200.0.12.1

The IP address of the authentication server is 200.0.12.1

NO.275 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?

telnetlib.Telnet （ 10.1.1.0,23,admin,Huawei@123 )

telnetlib.Telnet （ 10.1.1.0 )

telnetlib.Telnet （ 10.1.1.0,23, Huawei@123 )

telnetlib.Telnet （ 10.1.1.0,admin )

NO.276 Refer to the route-in-a-stick configuration in the figure below, it can be judged that the administrative department and the financial department can communicate with each other even if the ARP proxy is not enabled on the R1 sub-interface.

True

False

NO.277 In which view can the administrator modify the device name for the router?

User-view

Protocol-view

System-view

Interface-view

NO.278 If the Length/Type of an Ethernet data frame is 0X8100, which of the following is correct?

This data frame must carry VLAN TAG

There must be a UDP header in the upper layer of this data frame

There must be an IP header in the upper layer of this data frame

There must be a TCP header in the upper layer of this data frame

NO.279 Which of the following description about the Layer 2 Ethernet switch is incorrect?

It is necessary to make certain modifications to the layer 3 header of the forwarded message, and then forward it

Able to learn MAC address

Forward according to the Layer 2 header information of the Ethernet frame

Layer 2 Ethernet switches work at the data link layer

NO.280 Which of the following SNMP packets are sent to the NMS by the Agent on the managed device?

Set-Request

Get-Request

Get-Next-Request

Response

NO.281 What equipment is generally involved in the wlan deployment scheme in the enterprise scenario? (Multiple choice)

AC(Acess Controller)

Poe switch

CPE

NO.282 MIB (Management Information Base) is a virtual database that exists only in NMS.

True

False

NO.283 Now it is necessary to implement a Python automation script Te1net to the device to view the device running configuration. Which of the following statements is wrong?

Telnetlib can achieve this function.

Use telnet.Telnet (host) to connect to the Telnet server.

can use telnet.write(b”display current-configuration n”) to input the command to view the current configuration of the device.

telnet.c1ose() is used after a command entered every time, the function is that the user waits for the switch to return information.

NO.284 The Priority field in the VLAN tag can identify the priority of the data frame. What is the range of this priority?

0-15

0-63

0-3

0-7

NO.285 Which of the following are related to the purpose of encapsulation and decapsulation? (Multiple choice)

Encapsulation and decapsulation are important steps to realize different protocol functions

Interworking between different networks

Shorten the length of the message

Encapsulation and decapsulation can complete network fault location

NO.286 The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD).

True

False

NO.287 The administrator plans to implement route backup by configuring static floating routes, what is the correct way to achieve this?

The administrator needs to configure different metric values for the main static route and the standby static route

The administrator needs to configure different TAGs for the main static route and the standby static route

The administrator only needs to configure two static routes

The administrator needs to configure different protocol priority values for the main static route and the standby static route

NO.288 How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets?

NO.289 Which statement are correct about the shortcut keys of the VRP operating platform? (Multiple choice)

TAB prompts the most recently entered command

CTRL+C to stop the current command

The left cursor key (<) moves the cursor to the left position.

CTRL+Z back to user view

NO.290 In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty the recycle bin to completely delete the file.

True

False

NO.291 As shown in the figure, the switch runs STP with default parameters, which of the following ports will be elected as the designated port?

G0/0/1 port of switch A

Port G0/0/2 of switch A

HUB’s G0/0/1 port

HUB’s G0/0/2 port

NO.292 In the network shown in the figure below, all links are Ethernet links, and all interfaces of all routers run OSPF protocol, how many DRs are elected in the entire network?

NO.293 SNMPv1 defines 5 protocol operations.

True

False

NO.294 By default, what is the STP Forward Delay time in seconds?

NO.295 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?