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New Updated H31-211 Exam Dumps Free Download

New Updated H31-211 Exam Dumps Free Download

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Question 1:

Directly connected to the specified port of the peer device, does not forward any packets, but which port is the port that receives BPDUs to monitor network changes?

A. Root Port

B. Designated Port

C. Alternate Port

D. Disable Port

Correct Answer: C


Question 2:

Directly connected to the specified port of the peer device, does not forward any packets, but which port is the port that receives BPDUs to monitor network changes?

A. Root Port

B. Designated Port

C. Alternate Port

D. Disable Port

Correct Answer: B


Question 3:

For RIP, metric equals () is unreachable.

A. 12

B. 15

C. 16

D. No restrictions

Correct Answer: C


Question 4:

Which of the following is the correct description of the configuration BPDU generation? (multiple choice)

A. As long as the port is enabled with STP, the configuration BPDU will be sent from the designated port at regular intervals.

B. When the root port receives the configuration BPDU, the device where the root port resides will copy a configuration BPDU to each of its designated ports.

C. When the designated port receives a configuration BPDU that is worse than itself, it will immediately send its own BPDU to the downstream device.

D. The topology of the non-root bridge changes. The BPDU is notified by configuring the BPDU.

Correct Answer: ABC


Question 5:

The following description of the advantages of optical fiber as a transmission medium, what are the correct ones? (multiple choice) A. Not susceptible to interference from electromagnetic signals

B. High transmission rate

C. The transmission distance is infinitely long

D. Expensive

Correct Answer: ABD


Question 6:

Adding a shielding layer on the outside of the twisted pair, called (), can improve the anti- electromagnetic interference capability of the twisted pair.

A. STP

B. UTP

C. BTP

D. RPR

Correct Answer: A


Question 7:

Which of the following steps does the basic OSPF configuration include? (multiple choice)

A. Enable OSPF process

B. Create an OSPF area

C. Specify the network segments included in each region

D. Configure the router to be IR or BR.

Correct Answer: ABC


Question 8:

What are the methods to solve the routing loop problem?

A. Horizontal segmentation

B. Route suppression method

C. Router restart

D. Define the maximum value of the route metric

Correct Answer: ABD


Question 9:

Which of the following statements about OSPF are correct? (multiple choice)

A. Support for classless inter-domain routing CIDR

B. Using distance vector algorithm

C. Use triggered update, if the network topology changes, send update packets immediately, and synchronize this change in the autonomous system

D. Supports sending protocol packets by multicast address

Correct Answer: ACD


Question 10:

The network administrator is removing multiple VLANs from the switch. When the administrator enters the undo vlan 1 command, he receives an error message. What is the cause of the error message?

A. VLAN can only be deleted by the user who created it

B. VLAN 1 can be deleted only after the role of VLAN 1 is assigned to other VLANs.

C. The command was not entered correctly, resulting in a syntax error

D. VLAN 1 is the default management VLAN and cannot be deleted.

Correct Answer: D


Question 11:

Which of the following statements about Frame Relay is correct? (multiple choice)

A. DLCI is only valid on the local interface and the peer interface directly connected to it.

B. PVC is a virtual connection that can only be established between DCEs

C. The frame relay address mapping table stores the mapping relationship between the peer IP address and the DLCI of the next hop.

D. The reverse address resolution protocol can obtain the corresponding DLCI through the peer IP.

Correct Answer: AC


Question 12:

In an OSPF network, the following description about the Router ID is incorrect.

A. The router IDs must be the same in the same are

B. The router IDs in different areas can be different.

C. The router ID must be the IP address of an interface on the router.

D. You must manually configure the specified router ID.

E. The prerequisite for the normal operation of OSPF is that the router has a router ID.

Correct Answer: D


Question 13:

The following may result in the inability to establish an adjacency relationship between OSPF routers? (multiple choice)

A. The interface network segment is inconsistent

B. Ethernet or NBMA network interface priority is all zero

C. Timer parameters are inconsistent

D. The same router ID

Correct Answer: ABCD


Question 14:

In the OSI model, which of the following is the correct description of the physical layer function?

A. Ensure that the data is transmitted correctly.

B. Determine how packets are forwarded and routed

C. Transmitting the bit stream on the channel

D. Error correction and flow control

Correct Answer: C


Question 15:

In VRP, what are the following statements about RIP route aggregation?

A. RIP V1 supports route aggregation by default. You can disable route aggregation when needed.

B. RIP V2 supports off route aggregation.

C. RIP V1 does not support CIDR

D. RIP V2 supports subnet route aggregation

Correct Answer: BCD