Free Access H3C.GB0-191-ENU.v2022-06-08.q137 Practice Test (Page 20)

Question 91

The two routers RTA and RTB are interconnected back-to-back using serial ports. The serial port of RTA is configured with HDLC protocol, and the serial port of RTB is configured with PPP protocol.
Both devices are configured with the correct IP address, then what will happen is ______. (Multiple choice)

A.RTA serial port physical layer down, protocol layer down

B.The physical layer of the RTA serial port is up, and the protocol layer remains up, but RTA cannot ping RTB

C.The physical layer of the RTB serial port is down, and the protocol layer is down.

D.RTB serial port physical layer up, protocol layer down

E.The physical and protocol layers of RTA and RTB serial ports are both down

Question 92

The following commands were executed on an MSR router:
[MSR]display ip routing-table 100.1.1.1
Then the correct description of this command is ______.

A.This command is incorrect because it does not contain mask information

B.You can view the routing items that match the destination address of 100.1.1.1

C.You can view the routing entries that match the next hop address as 100.1.1.1

D.It is possible that the output of this command is two default routes

Question 93

The common fields of UDP protocol and TCP protocol header are ______. (Multiple choice)

A.Serial number

B.Source IP address

C.Flow control

D.Source port

E.checksum

F.Destination port

Question 94

The correct statement below is ______. (Multiple choice)

A.MSTP and RSTP can identify each other's protocol packets and are compatible with each other

B.In MSTP mode, each port of the device will send out MSTP BPDU packets. When a port is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode

C.In STP compatibility mode, each port of the device will send out STP BPDU packets

D.In RSTP mode, each port of the device will send out RSTP BPDU packets. When it is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode

Question 95

A large financial network needs to use multiple WAN protocols and routing protocols. To enhance network security, it is hoped that the selected protocol has security measures such as authentication, encryption, and access control.
Then when choosing the WAN protocol and routing protocol, which of the following protocols may meet the requirements? (multiple choice)

A.RIPv1

B.RIPv2

C.HDLC

D.PPP

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Question 91

Question 92

Question 93

Question 94

Question 95

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