● (66) is a protocol that a host uses to inform. a router when it joins or leaves anInternet multicast group.(67) is an error detection code that most data conlmunication networks use.(68) is an interior gateway protocol that uses a distance vector algorithm to propagaterouting information.(69) is a transfer mode in which all types of information are organized into fixed form. cells on all asynchronous or nonperiodic basis over a range of mediA．(70) is an identifier of a web page.(66) A．ICMPB．SMTPC．IGMPD．ARP(67) A．4B／5BB．CRCC．Manchester CodeD．Huffman Code(68) A．OSPFB．RIPC．RARPD．BGP(69) A．ISDNB．x.25C．Frame. RelayD．ATM(70) A．HTTPB．URLC．HTMLD．TAG
● (66) is a protocol that a host uses to inform. a router when it joins or leaves anInternet multicast group.
(67) is an error detection code that most data conlmunication networks use.
(68) is an interior gateway protocol that uses a distance vector algorithm to propagaterouting information.
(69) is a transfer mode in which all types of information are organized into fixed form. cells on all asynchronous or nonperiodic basis over a range of mediA．
(70) is an identifier of a web page.
(66) A．ICMP
B．SMTP
C．IGMP
D．ARP
(67) A．4B／5B
B．CRC
C．Manchester Code
D．Huffman Code
(68) A．OSPF
B．RIP
C．RARP
D．BGP
(69) A．ISDN
B．x.25
C．Frame. Relay
D．ATM
(70) A．HTTP
B．URL
C．HTML
D．TAG
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