2. 从业资格
  3. Typically，an IP address refers to an ind

Typically，an IP address refers to an ind

题库2022-08-02  49
问题 Typically，an IP address refers to an individual host on a particular  network. IP also accommodates addresses that refer to a group of  hosts on one or more networks.Sunch addresses are referred to as multicast addresses，and the act of  sending a packet from a source  to the  members of  a（　　）group is  referred to as multicasting. Multicasting done（　　）the scope of  a single LAN segment is straightforward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the （　　）multicast group recognize the multicast address and （　　）the packet.In this case，only a single copy of the packet is ever transmitted.This technique works because of the （　　）nature of a LAN：A transmission from any one station is received by all other stations on the LAN.问题1选项 A.numerous B.only C.single D.multicast问题2选项 A.within B.out of C.beyond D.cover问题3选项 A.different B.unique C.special D.corresponding问题4选项 A.reject B.accept C.discard D.transmit问题5选项 A.multicast B.unicast C.broadcast D.multiple unicast
选项
答案
解析 答案： D、A、D、B、C
略。
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软件水平考试初中高级

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