H12-811 Online Practice Questions and Answers

As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from LSW2 by LSW1 is tagge()(True or False)

A. True

B. False

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? () (Single- choice question)

A. 2

B. 4

C. 3

The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAand destination IP? ()

A. MAC-D.10.0.12.2

B. MAC-D.11.0.12.1

C. MAC-B.11.0.12.1

If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

A. 0.0.0.0

B. 169.254.2.33

C. 255.255.255.255

D. 127.0.0.1

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

A. True

B. False

AC uses CAPTAP control tunnel transmission to FIt AP management packet

A. True

B. False

The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally. What are the possible reasons for the following items? ()

A. The administrator user account has been deleted

B. The administrator user account has been disabled

C. The Telnet service of the AR2200 router has been disabled

D. The authority level of the administrator user account has been modified to 0

Which of the following statements are true about the network shown in the following figure?

A. RTA and SWC are in the same collision domain.

B. SWA and SWB are in the same broadcast domain.

C. SWA and SWC are in the same collision domain.

D. SWA and SWC are in the same broadcast domain.

Which of the following packets are OSPF packets? (Choose all that apply.)

A. HELLO

B. LSR

C. LSU

D. LSA

What is the default value of the Forward Delay timer of STP?

A. 10 seconds

B. 20 seconds

C. 5 seconds

D. 15 seconds