Free HCIA-Datacom V1.0 Exam H12-811_V1.0 Exam Practice Test

An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.1.00.0.254.255*

• 10.0.3.4
• 10.0.1.2
• 10.0.4.5
• 10.0.2.3

The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can this port receive? ()interface Gigabit Ethernet 0/0/2.30 dotlq terainatlon viD.100 ip address 10.0.21.1 255.255.255.0 arp broadcast enable

• 1
• 100
• 30
• 20

The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()

• The interface priority is compared first, and the better one cannot be judged to continue to compare the interface number, the smaller the better.
• Only compare interface priority
• Compare device priority
• Only compare interface numbers

Both pwD. and dir commands in the VRP operating platform can view the file information in the current directory, ()

• True
• False

Which of the following statements about the S field in the MPLS packet header are correct? ()*

• The s bit has only ibit in frame mode, and 2bit in cell mode
• The s bit exists in every MPLS packet header
• Used to mark whether there are other labels behind this label, 1 means yes, 0 means no
• Used to mark whether there are other labels behind this label, 0 means yes, 1 means no

Which of the following IEEE802.11 standards support operation in the 5GHz frequency band? ()

• 802.11ac
• 802.11n
• 802.11g
• 802.11a

In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era? ()

• 802.11g
• 802.11a
• 802.11b
• 802.11ac

What is the length of the basic IPv6 header in bytes? ()

• 40
• 64
• 48
• 32

Which of the following statements about link aggregation are correct? ()

• GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trurnk interface
• Eth-Trurnk interfaces cannot be nested
• When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same
• GE interface and FE interface cannot be added to the same Eth-Trunk interface

Which of the following statements about R

• and RS messages in IPv6 are correct? ()*
• RA. Used to request address prefix information
• RS is used to request address prefix information
• RA. Used to reply address prefix information
• RS is used to reply address prefix information