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If the Length/type=0x8100 of an Ethernet data frame, which of the following statements is correct?
If the Length/type=0x8100 of an Ethernet data frame, which of the following statements is correct?A . The upper layer of this data frame must have a UDP header B. There must be a TCP header in the upper layer of this data frame C. This data frame must carry VLAN...
According to the command shown in the figure, which of the following descriptions is correct? (Multiple choice)
According to the command shown in the figure, which of the following descriptions is correct? (Multiple choice) A . The PVID of port GigabitEthernet0/0/1 is 1 B. The PVID of port GigabitEthernet0/0/2 is 1 C. The PVID of port GigabitEthernet0/0/2 is 10 D. The PVID of port GigabitEthernet0/0/1 is 10View...
In which of the following network types does OSPF need to elect DR and BDR? (Multiple choice)
In which of the following network types does OSPF need to elect DR and BDR? (Multiple choice)A . Broadcast type B. Point-to-point type C. Point-to-multipoint D. NBMAView AnswerAnswer: AD
Can dynamic routing protocols automatically adapt to changes in network topology.
Can dynamic routing protocols automatically adapt to changes in network topology.A . True B. FalseView AnswerAnswer: A
Which of the following statements about static routing is wrong?
Which of the following statements about static routing is wrong?A . Manual configuration by network administrator B. Routing information needs to be exchanged between routers C. Cannot automatically adapt to changes in network topology D. Low requirements on system performanceView AnswerAnswer: B
For a switch running the STP protocol, the port can be directly converted to the Disabled state in any state.
For a switch running the STP protocol, the port can be directly converted to the Disabled state in any state.A . True B. FalseView AnswerAnswer: A
As shown in the figure, there are three data packets captured by the administrator in the network. Which of the following statements is wrong?
As shown in the figure, there are three data packets captured by the administrator in the network. Which of the following statements is wrong? A . None of the three packets contain application layer data B. These three data packets represent the three-way handshake process of TCP C. The telnet...
Which of the following protocols is not a file transfer protocol?
Which of the following protocols is not a file transfer protocol?A . FTP B. SFTP C.HTTP D. TFTPView AnswerAnswer: C
As shown in the figure, when the switch needs to forward the frame whose destination mac address is 5489-98ec-f011, which of the following descriptions is correct?
As shown in the figure, when the switch needs to forward the frame whose destination mac address is 5489-98ec-f011, which of the following descriptions is correct? A . The switch will send a destination unreachable message to the source device B. The switch does not find a matching entry in...
All router interfaces belong to the same broadcast domain.
All router interfaces belong to the same broadcast domain.A . True B. FalseView AnswerAnswer: B
