Free HCIP-Routing & Switching-IEEP Exam H12-223 Exam Practice Test

Which of the following fiber interface types is usually used on the device side?

• LC interface
• RJ interface
• FC interface
• BNC interface

Which of the following statements regarding border security optimization are true? (Multiple Choice)

• Border security optimization aims to prevent or reduce external network attacks and harm.
• The optimization position is usually located at the network edge.
• Optimization measures include attack defense technologies, packet filtering, and hardware firewalls.
• Border security optimization aims to achieve secure user access control.

Migration rollback is to restore the network state back before the migration.

• TRUE
• FALSE

If a neighbor has not advertised a route, the neighbor may have not put description information about the route to the local OSPF LSDB.

• TRUE
• FALSE

Which of the following authorization items is not required for risky operations?

• Management authorization
• Technology authorization
• Customer authorization
• Administrative authorization

In most cases, optical power is expressed in dBm. Which of the following values in dBm is supported by most optical transceiver devices to receive and identify data?

• -30 dBm
• -10 dBm
• 10 dBm
• 30 dBm

Coaxial cables are used to carry video signals of cable TVs but not data signals.

• TRUE
• FALSE

Which of the following causes may lead to a failure for hosts in the same VLAN to communicate with each other? (Multiple Choice)

• The interfaces connected to the users are shut down manually or the physical interfaces are damaged.
• The switch learns incorrect MAC addresses.
• Port isolation is configured on the switch.
• Incorrect mappings between interfaces and MAC addresses are configured on the switch.

On a campus network, the gateway is usually configured on the aggregation layer. What advantages does this design have compared with configuring the gateway on the access layer? (Multiple Choice)

• Reduce the broadcast domain on the network and the probability of broadcast storms.
• Achieve separate convergence of Layer 2 and Layer 3 to increase the convergence speed and network stability.
• Properly design the Layer 2 network scale, reduce network segment allocation, and improve network management efficiency.
• Allow configuring access devices as Layer 2 devices, reducing network construction costs.
• Leverage the STP and VRRP mechanisms to improve network reliability.

After finding that the OSPF configuration on a router is incorrect, you logged in to the router to check the OSPF configuration. Then you found that the association between OSPF and BFD was also incorrect. Therefore, you changed the OSPF and BFD configuration. Which of the following troubleshooting methods is used in this process?

• Chunking
• Configuration comparison
• Segmentation
• Bottom-up