Pass H12-811-ENU Exam - Real Test Engine PDF with 732 Questions [Q239-Q256]

QUESTION 239
Network administrators use Ping to test the connectivity of the network. Which of the following protocols may be used in this process? ()

ICMP

UDP

TCP

ARP

QUESTION 240
Which of the following statements about Iv6 address configuration are correct? ()*

IPv6 supports DHCPv6 for address configuration

IPv6 address supports automatic configuration in multiple ways

IPv6 addresses can only be configured manually

IPv6 supports stateless automatic configuration

QUESTION 241
CSS refers to the combination of two switch devices that support cluster features and logically combine them into one switch device.

TURE

FALSE

QUESTION 242
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

QUESTION 243
In order to realize the launch of FIT AP, FIT AP first needs to obtain the IP address of AC. Which of the following is not included in the way FITAP obtains the IP address of AC.? ()

Broadcasting method

Static designation method on AP

Multicast mode

DHCP Option mode

QUESTION 244
The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)

The standby main control board of the device is operating normally

The VRP operating version of this device is CRP5

The device name is Huawei

The device has been running for 1 minute

QUESTION 245
When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet.

True

False

QUESTION 246
The Backup port in RSTP can replace the failed root port ()

True

False

QUESTION 247
Which of the following parameters cannot be used for advanced access control lists? ()

Physical interface

time limit

Agreement number

Destination port number

QUESTION 248
What is the protocol number corresponding to the ospf protocol at the network layer?

QUESTION 249
The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()

undo interface Eth-trunk 1

inte GigabitEthernet 0./0/2 Undo eth-trunk Quit Undo interface eth-trunk 1

inte GigabitEthernet 0./0/1 Undo eth-trunk Quit inte GigabitEthernet0./0/2 Undo ethtrunk Quit

inte GigabitEthernet 0./0/1 Undo eth-trunk Quit Undo interface eth-trunk 1

QUESTION 250
The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple Choice Questions)

When the switch restarts, the mac address learned by port Eth0/0/2 does not need to be relearned

The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of 5489-989d-1d30 learned from the port is forwarded from the Eth0/0/1 port

The source mac address learned from the port is 5489-9811-0b49. The data frame with the destination mac address 5489-989d-1d30 is forwarded from the Eth0/0/2 port

When the switch restarts, the mac address learned by port Eth0/0/3 needs to be re-learned

QUESTION 251
The output information of a switch is shown in the figure. Which of the following interfaces can forward data frames with VLAN ID 40 and do not carry tags when forwarding?

GE0/0/2

GE0/0/5

GE0/0/3

GE0/0/4

QUESTION 252
As shown in the figure, there are three data packets captured by the administrator on the network. Which of the following statements is incorrect? (Single choice question) Source destination protocol info SYNseq0win8192Len0mss146010.0.12.2 10.0.12.1
10.0.12.110.0.12.2TCp50190>telnet
SYN, ACKseg-0 Ack-1 win-8192 Len-0mss=1460
TCP telnet:50190
10.0.12.110.0.12.2 TCP50190>telnet(ACK)seq-1Ack=1win=81921en=0

None of these three data packets contain application layer data

These three data packets represent the three-way handshake process of TCP

The telnet client uses port 50190 to establish a connection with the server

The IP address of the telnet server is 10.0.12.1. The IP address of the telnet client is 10.0.12.2

QUESTION 253
The Layer 2 switch is a data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table.

True

False

QUESTION 254
What is the number range of advanced ACLs? ()

3000-3999

2000-2999

4000

6000

QUESTION 255
As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses, VLANs, and ports are correct? () (Single-choice question)

SWB:
MAC Address VLAN
Port
MAC-A
MAC-B
MAC-C
GEC/0/3
GEC/0/3
GEC/0/1

SWA:
MAC Address
VLAN
Port
MAC-A
MAC-B
MAC-C
GEC/O/1
GEC/0/2
GEC/0/3

SWB:
MAC Address VLAN
Port
MAC-A
MAC-B
MAC-C
GEC/0/3
GEC/0/3
GEC/0/1

SWA:
MAC
Address VLAN
Port
MAC-A
MAC-B
MAC-C
GEC/0/3
GEC/0/3
GEC/0/3

QUESTION 256
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. ()

True

False