捕捉数据包完成后，在进行保存数据包时，可以以以下哪几种方式保存（）。 A: AAll packets B: BSelected packet C: Crange D: Dmarket packets

In recent years, electric red packets are popular among younger generation. A: yes B: no

Chinese married couples               red packets to children and the unmarried during the Chinese New Year.

An arrangement in packets of eight cells is described as a ( ). A: micrococcus B: diplococcus C: tetrad D: sarcina

Chinese married couple (give)______ red packets to children and the unmarried during the Chinese New Year.

You can see（）on the table. A: a packet of prawn B: two packets of prawn C: a packet of praw

In Ggrandma's shopping bag, there ______ some orange juice, two packets or salt and some tomatoes. A: is B: are C: has D: have

Soap powders come in white and light blue packets to（） A: resemble ice B: show quality C: suggest purity D: attract customers

Which three statements are true about DAI？（） A: DAI intercept all ARP packets on untrusted ports B: DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database. C: DAI is used to prevent against a DHCP Snooping attack. D: DAI forwards all ARP packets received on a trusted interface without any checks. E: DAI forwards all ARP packets on untrusted ports. F: DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.

According to the author, in which decade of the nineteenth century did a steamship first attempt to compete with the transatlantic packets A: The twenties. B: The thirties. C: The forties. D: The fifties.