H12-223-ENU Online Training Archives

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1. During the structured network troubleshooting process, which of the following items require attention in the information collection phase? (Multiple Choice)

What information to collect

How to collect information

Whether authorization is required

Risks in the information collection phase

2. Which of the following are migration difficulties? (Multiple Choice)

Minimizing on services

Achieving optimal risk prevention

Formulating a complete migration solution

Carrying out the migration smoothly

3. 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.

4. Which of the following statements regarding the basic device information check is true?

You can run the display patch-information command to check patch information.

The device time should be consistent with the actual time (time difference ≤ 24 hours) so that a fault can be accurately located based on the occurrence time.

The debugging functions can be enabled when the device is running properly.

You can run the display current-configuration command to check the PCB version and the software version of a card.

5. Which of the following WAN links are used on a packet switched network? (Multiple Choice)

ATM

ISDN

MSTP

PSTN

6. During the migration test, which of the following indicates that the test is completed?

The network is running properly.

Tested network services are running properly.

Tested upper-layer application services are running properly on the network.

Command outputs are correct.

7. Which of the following features is not applied to enterprise WANs?

Wide coverage

Difficult O&M

Multiple types

High of utilization

8. In a migration project, preliminary survey is used for communicating with the customer and other participants and collecting network information for analysis.

TRUE

FALSE

9. Current enterprise networks usually use OSPF as the routing protocol.

What precautions are there when OSPF is used? (Multiple Choice)

Determine that the backbone area will not split,

Check whether secondary optimal routes exist on the network according to OSPF route selection

Check whether all non-backbone areas are correctly and reliably connected to the backbone area,

Check the OSPF network topology and ensure that no loop exists when OSPF routes are being calculated.

Verify that OSPF costs can correctly demonstrate the actual bandwidth of links at more than 100 Mbit/s.

10. On the border between an enterprise network and external network, which of the following devices is deployed at the outermost side of the enterprise network?

IDS

IPS

VPN

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11. Which of the following events represent the end of the network planning stage?

Project initiation

Bid release

Contract signing

Preliminary project acceptance

12. The customer's project team is the end user of the network, and they are the final judge of the project.

TRUE

FALSE

13. Determining members in the project team is one of tasks in the implementation stage.

TRUE

FALSE

14. Which three steps does a migration include? (Multiple Choice)

Snapshot before the migration

Delivery during the migration

Check after the migration

Attendance after the migration

15. Which of the following statements regarding IP address allocation are true? (Multiple Choice)

All IP addresses on a network must be unique except when anycast is used.

IPv4 addresses are classified into Classes A, B, and

The mask length of /24 can simplify network design.

Variable length subnet mask (VLSM) is often used for determining mask lengths to improve IP address efficiency.

16. When the DHCP relay function is configured on a device, VLANIF interfaces connected to DHCP clients must be bound to a DHCP server group containing the IP address of the DHCP server.

TRUE

FALSE