Free 2021 HCIA-Datacom H12-811-ENU dumps are available by TroytecDumps [Q237-Q262]

Free 2021 HCIA-Datacom H12-811-ENU dumps are available on Google Drive shared by TroytecDumps

Welcome to download the newest TroytecDumps H12-811-ENU PDF dumps: https://www.troytecdumps.com/H12-811-ENU-troytec-exam-dumps.html ( 454 Q&As)

NEW QUESTION 237
In the network shown in the figure below, if Router A and Router B's loopback 0 communicate through static routing, which command needs to be entered on Router A?

A. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2
B. ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0
C. ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0
D. ip route-static 10.0.2.2 255.255.255.255 10.0.12.1

Answer: A

NEW QUESTION 238
It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, which of the following statements is correct?

A. Select the first item as the best matching item, because the priority value of the ospf protocol is higher
B. Choose the second item as the best match, because Ethernet0 is faster than serial0
C. Choose the second item as the best matching item, because the cost of the RIP protocol is small
D. Select the second item as the best matching item, because the route is a more accurate match relative to the destination 9.1.4.5

Answer: D

NEW QUESTION 239
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?

A. telnet.c1ose() is used after a command entered every time, the function is that the user waits for the switch to return information.
B. can use telnet.write(b"display current-configuration \n") to input the command to view the current configuration of the device.
C. Use telnet.Telnet (host) to connect to the Telnet server.
D. Telnetlib can achieve this function.

Answer: A

NEW QUESTION 240
If the transport layer protocol is UDP, the value of the network layer Protocol field is 6.

A. True
B. False

Answer: A

NEW QUESTION 241
Which of the following descriptions about firewalls is wrong?

A. Firewall can isolate networks with different security levels
B. Firewall can realize user identity authentication
C. Firewall can realize access control between different networks
D. The firewall cannot achieve network address translation

Answer: D

NEW QUESTION 242
If the broadcast address of a network is 172.16.1.255, what might its network address be?

A. 172.16.1.1
B. 172.16.2.0
C. 172.16.1.253
D. 172.16.1.128

Answer: D

NEW QUESTION 243
In the configuration BPDU sent by the switch, which bridge ID is unlikely to appear?

A. 2048 00-01-02-03-04-CC
B. 8192 00-01-02-03-04-CC
C. 4096 00-01-02-03-04-CC
D. 0 00-01-02-03-04-CC

Answer: A

NEW QUESTION 244
On the VRP platform, the default protocol priority of routes in the direct routing, static routing, RIP, OSPF area is:

A. Direct routing,Static routing,RIP,OSPF
B. Direct routing,OSPF,Static routing,RIP
C. Direct routing,RIP,Static routing,OSPF
D. Direct routing,OSPF,RIP,Static routing

Answer: B

NEW QUESTION 245
When Huawei switches allow STP, the priority of the switch is by default:

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION 246
The router output information is shown in the figure. Which of the following statements is wrong?

A. The MTU value of the Ethgrnet0/0/0 interface is 1480
B. The IP address of the Ethernet0/0/0 interface is 10.0.12.1/24
C. The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255
D. The physical link of the Ethernet0/0/0 interface is normal

Answer: A

NEW QUESTION 247
On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice)

A. 802.1x
B. Local
C. None
D. HWTACACS

Answer: B,C,D

NEW QUESTION 248
Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? (Multiple choices)

A. IP address
B. DNS address
C. Operating system name
D. Gateway address

Answer: A,B,D

NEW QUESTION 249
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION 250
In the VRP interface, use the command delete vrpcfg.zip to delete a file, which must be emptied in the recycle bin to completely delete the file.

A. True
B. False

Answer: B

NEW QUESTION 251
If the Ethernet data frame Length/Type=0X0806, which of the following statement is correct? (Multiple choice)

A. The data frame is an Ethernet II frame
B. The data frame is an IEEE 802.3 frame
C. The destination MAC address of the data frame may be FFFF-FFFF-FFFF
D. The source MAC address of the data frame must not be FFFF-FFFF-FFFF

Answer: A,D

NEW QUESTION 252
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?

A. MAC-A GO/0/2 MAC-B G0/0/2 MAC-C G0/0/3
B. MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3
C. MAC-A G0/0/3 MAC-B G0/0/3 MAC-C GO/0/1
D. MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3

Answer: C

NEW QUESTION 253
Which planes of the following does a network device have? (Multiple choice)

A. Business plane
B. Data plane
C. Control plane
D. Management plane

Answer: B,C

NEW QUESTION 254
On Huawei AR G3 routers, what is the -i parameter of the Ping command in VRP used to set?

A. Interface for sending Echo Request messages
B. The destination IP address of the Echo Reply message
C. Interface for receiving Echo Reply messages
D. The source IP address of the Echo Request message

Answer: A

NEW QUESTION 255
When building a campus network, which of the following protocols can be used to avoid Layer 2 loops?

A. NAT
B. OSPF
C. RSTP
D. SNMP

Answer: C

NEW QUESTION 256
The Layer 2 Ethernet switch generates entries in the MAC address table according to the ( ) of the Ethernet frame received by the port.

A. Source IP address
B. Destination MAC address
C. Destination IP address
D. Source MAC address

Answer: D

NEW QUESTION 257
As shown in the figure below, the wrong statement is:

acl number 2000]
rule 5 deny source 200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 #
interface GigabitEthernetO/0/1 traffic-filteroutbound acl2000

A. The host whose source IP address is 200.0.12.6 cannot access the Internet
B. The host whose source IP address is 200.0.12.8 cannot access the Internet
C. The host whose source IP address is 200.0.12.4 cannot access the Internet
D. The host whose source IP address is 200.0.12.2 cannot access the Internet

Answer: B

NEW QUESTION 258
Which of the following statements about Adjacency Segment is wrong?

A. Adjacency Segment spreads to other network elements through IGP protocol, which is visible globally and effective locally
B. Adjacency Segment is identified by Adjacency Segment ID (SID)
C. Adjacency Segment is used to identify an adjacency of a node in the network
D. Adjacency Segment must be configured manually

Answer: D

NEW QUESTION 259
Which of the following authentication methods does not require the user name and password?

A. authorization-mode hwtacacs
B. authentication-mode local
C. Authentication-mode hwtacacs
D. authentication-mode none

Answer: D

NEW QUESTION 260
For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the Preference value. If the Preference is the same, then select according to the magnitude of the Cost value.

A. True
B. False

Answer: A

NEW QUESTION 261
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?