Share some HCNP-R&S H12-223-ENU exam questions and answers below.
Which of the following device is based on the MAC address of the data frame for data forwarding?
A. HUB
B. Bridge
C. The router
D. Firewall
Answer: B
Two-layer network architecture compared with the three-layer network architecture, it has the advantages of simple structure and high efficiency of data forwarding. Therefore, the future network structure will be fully transferred to the two-layer network structure, three-layer network architecture will gradually be eliminated.
A. True
B. False
Answer: B
About the purpose of managing security optimization, which of the following is the most appropriate?
A. Ensure that the sensitive management information is not illegally stolen.
B. Prevent/reduce external network attacks and harm.
C. ensure secure access to mission critical.
D. Realize the security access control of users.
Answer: A
Enterprise network often use DHCP to assign IP addresses to users. Compared with static address allocation, DHCP address allocation greatly reduces the workload of managing network addresses.
A. True
B. False
Answer: A
Ethernet is a network supporting broadcast, this simple broadcast mechanism will lead to disastrous consequences once there is a loop in the network.
Which of the following phenomena may be caused by a loop? (Multiple choice)
A. The device can't remote login.
B. When using the display interface command on the device to check the statistical information of the interface found the interface received a large number of broadcast packets.
C. CPU occupancy rate is more than 70%.
D. Through the ping command to test the network, packet loss serious.
Answer: ABCD
When troubleshooting the EBGP neighbor relationship, If you find that two directly connected devices use loopback interfaces to establish connection, run "display current-configuration configuration bgp" command to check the configuration of "peer ebgp-max-hop hop-count". Which of the following statements is correct?
A. hop-count must be greater than 1.
B. hop-count must be greater than 2.
C. hop-count must be greater than 15.
D. hop-count must be greater than 255.
Answer: A
Determining the project team members is the work content of the implementation phase.
A. True
B. False
Answer: B
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