Free Access H3C.GB0-191-ENU.v2022-06-08.q137 Practice Test (Page 2)

Question 1

The number of available host addresses contained in the natural classification network segment corresponding to the IP address 165.110.20.67 is. (Please fill in Arabic numerals)

Question 2

The IP address 10.0.10.65 and the mask 255.255.255.224 represent a ______.

A.Broadcast address

B.None of the above

C.host address

D.Network address

Question 3

The following devices working at the data link layer of the OSI reference model are ______.

A.Router

B.Repeater

C.Hub

D.WAN switch

Question 4

The correct statement about STP, RSTP and MSTP is ______. (Multiple choice)

A.RSTP is an optimized version of the STP protocol. The delay for the port to enter the forwarding state is greatly shortened under certain conditions, which shortens the time required for the network to finally reach topological stability.

B.STP cannot converge quickly. When the network topology changes, the originally blocked port will need to wait for a period of time before it becomes the forwarding state.

C.MSTP can make up for the shortcomings of STP and RSTP. It can not only converge quickly, but also enable the traffic of different VLANs to be forwarded along their respective paths, thereby providing a better load sharing mechanism for redundant links.

D.MSTP is compatible with STP and RSTP.

Question 5

In the OSI reference model, the function of the network layer is mainly ______.

A.Determine how the data packet is routed from the source to the destination

B.Strengthen the function of the original bit stream of the physical layer data transmission, and carry out flow control

C.Transmit the original bit stream on the channel

D.Make sure that each piece of information that reaches the other party is correct

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