Q36. Which of the following options are configured in a Layer 2 ACL? (Multiple choices)

Q37. The election of the root switch in STP only compares the switch priority, while in RSTP, the switch priority and MAC address are compared at the same time.

Q38. How many types of data flows with different service levels can be marked based on MPLS labels?

Q39. What is the total length of the VLAN frame format defined by IEEE802.1Q?

Q40. CSS refers to the combination of two switch devices that support cluster features and logically combine them into one switch device.

Q41. SNMPv1 defines 5 protocol operations.

Q42. Which of the following does not be included in AAA?

Q43. In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?

Q44. The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong?

Q45. When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID

Q46. The MAC address table of existing switches is shown in the figure. Which of the following statement is correct?

Q47. What is the port number used by the FTP protocol control plane?

Q48. Which of the following IPv4 addresses can be used by a host to directly access the Internet?

Q49. What is the protocol number corresponding to the ospf protocol at the network layer?

Q50. The number of VLANs that can be created using the commands “vlan batch 10 20” and “vlan batch 10 to 20” respectively is

Q51. In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message sent by the AP, the AC will check the validity of the AP. Which of the following is the authentication method supported by the AC? (Multiple choice)

Q52. As shown in the figure below, which port of the following switches will be blocked?

Q53. Which of the following description of static and dynamic routing is wrong?

Q54. What is the coverage area of an AP in WLAN?

Q55. The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When the command “display ip interface brief” is used to check the port status, it is found that the VLANIF 10 interface is in the down state. What should be done to restore the VLANIF 10 interface to normal?

Q56. In the network shown in the figure, which of the following description is correct?

Q57. What are the following characteristics of the default VLAN in the Layer 2 Ethernet switch? (Multiple Choice)