最新HCNP-R&S H12-224-ENU考試題庫，Huawei H12-224-ENU課程的擬真試題下載

問題1
a source tree is the shortest path form a multicast source to receiver hosts, it is also called a shortest path tree.

A. FALSE

B. TRUE

正確答案: B

問題2
In an IS-IS broadcast network, which multicast MAC address is used by a Level-2 muter as the destination address of sent IS-IS Hello packets?

A. 0100-5E00-0002

B. 0180-c200-0014

C. 0180-c200-0016

D. 0180-c200-0015

正確答案: D

問題3
Which of the following commands can display OSPF neighbor status information?

A. display ospf neighbor

B. display ospf peer

C. display ip ospf peer

D. display ip ospf neighbor

正確答案: B

問題4
At which layer does a packet filtering firewall check data packets?

A. Application layer

B. Network layer

C. Physical layer

D. Link layer

正確答案: B

問題5
What is the broadcast domain of VXLAN called?

A. Broadcast domain

B. Bridge domain

C. VLAN domain

D. Switching domain

正確答案: B

問題6
RTA is the source designated router (DR), and RTB is the rendezvous point (RP). The multicast source sends multicast data to RTA, but RTB does not have the multicast source with PIM register packets.
Which of the following are the possible causes? (Multiple Choice)

A. The RP learned by RTA is not RTB.

B. There is no unicast route from RTB to RTA.

C. RTA cannot learn the RP information.

D. There is no multicast route from RTA to RTB.

正確答案: A,C

問題7
Which of the following is the purpose of access security optimization?

A. To prevent or reduce external network attacks and harm.

B. To ensure secure access to key services.

C. To achieve secure user access control.

D. To ensure that sensitive management information will not be intercepted.

正確答案: C

問題8
Which of the following statements regarding selection of active links in static LACP mode are false? (Multiple Choice)

A. In static LACP mode, after joining the Eth-Trunk, the member interfaces send the system priority, system MAC address, interface priority, and interface number to the remote end to negotiate active interfaces.

B. The passive side determines active interfaces based on the LACP priority and ID (interface number) of an interface on the Active side.

C. Data can be forwarded normally even if both devices select different interfaces.

D. A larger LACP system priority indicates a higher priority. The end with a larger LACP system priority functions as the Active side. If the two ends have the same LACP system priority, the end with a larger MAC address functions as the Active side.

正確答案: A,B

問題9
How many bits does an MPLS label field have?

A. 20

B. 1

C. 8

D. 3

正確答案: A

問題10
VXLAN is irrelevant to SDN technology.

A. FALSE

B. TRUE

正確答案: B

問題11
Which of the following command is used to apply the traffic policy to an interface on an AR router?

A. traffic classifier p1 inbound

B. traffic behavior p1 inbound

C. services-policy p1 inbound

D. traffic-policy p1 inbound

正確答案: D

問題12
Ethernet supports broadcast. Once a network loop occurs, this simple broadcast mechanism will cause catastrophic consequences.
Which of the following symptoms may be caused by a loop? (Multiple Choice)

A. The display interface command output shows a large number of broadcast packets received on an interface.

B. A lot of ICMP packets are lost in ping tests.

C. The CPU usage exceeds 70%.

D. Users cannot log in to the device remotely.

正確答案: A,B,C,D

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