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H3CSE-RS-SW Sample Questions:

1. In the switching network shown in the figure, VLAN10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are Sub VLANs of VLAN10, port Ethernet1/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2 and VLAN20 are created on switch SWB, port Ethernet1/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, you can judge which of the following?

A) SWB can communicate with PCB
B) SWB can communicate with SWA
C) SWB can communicate with PCA
D) SWB can communicate with PCC
E) None of the above answers are correct

2. Contrast the calculation convergence of RSTP and STP. Which of the following statements is correct? (Multiple choice)

A) Compared with STP, RSTP defines a fast switch mechanism for designated ports, which allows the designated port to enter the forwarding state without waiting for twice the Forward Delay time.
B) If STP wants to shorten the convergence time, it can only configure a shorter FORWARD Delay time, but this will affect the stability of the network.
C) Compared with STP, STP defines a fast switch mechanism for root ports, which allows Altemate to quickly become the new root port when there is a port failure.
D) Compared with STP, RSTP defines a fast switch mechanism for the root port, so that the port connected to the host can quickly enter the forwarding state

3. PIM-DM working mechanism includes? (Multiple choice)

A) Status refresh
B) Flooding, pruning, grafting
C) Neighbor Discovery
D) Switch from RPT to SPT
E) Assertions

4. Which open interfaces does VCFC currently support? (Multiple choice)

A) JAVA API
B) Linux Shell API
C) Python API
D) RestFul API

5. SSH protocol is a secure remote login protocol and is widely used. Which of the following about SSH is correct? (Multiple choice)

A) SSH can also provide a secure transmission channel for FTP
B) SSH and Secure Shell can use DES authentication to ensure data security
C) SSH uses additional encryption technology to ensure login security
D) SSH uses TCP port 22 to transmit data and port 23 to establish a connection

Solutions: