Free Access to H3C.GB0-191-ENU.v2022-04-14.q149 with Valid Practice Test (Page 22)

Question 101

NAPT mainly converts the ______ information of the data packet? (multiple choice)

A.Data link layer
B.Transport layer
C.Application layer
D.Network layer

Question 102

During the establishment of the TCP connection as shown in the figure, the X part of the SYN should be filled with ________.

A.a
B.b+1
C.b
D.a+1

Question 103

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.RTB serial port physical layer up, protocol layer down
B.RTA serial port physical layer down, protocol layer down
C.The physical and protocol layers of RTA and RTB serial ports are both down
D.The physical layer of the RTA serial port is up, and the protocol layer remains up, but RTA cannot ping RTB
E.The physical layer of the RTB serial port is down, and the protocol layer is down.

Question 104

The following description of Trunk ports and links is wrong. ______. (Multiple choice)

A.When the Trunk port sends a data frame, if the data frame does not have a VLAN ID, add the corresponding PVID value to the data frame as the VLAN ID
B.The PVID value of the Trunk port cannot be modified
C.The data frames transmitted on the Trunk link are all with VLAN ID
D.Trunk link can carry data frames with different VLAN IDs

Question 105

Which of the following statements about MAC addresses are wrong? (multiple choice)

A.Usually only terminal hosts need MAC addresses, routers and other network devices do not need
B.The MAC address is solidified in ROM and cannot be changed under normal circumstances
C.Ethernet uses MAC address to identify host
D.MAC address is a logical address that is easy to change

Question 101

Question 102

Question 103

Question 104

Question 105

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