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系統(tǒng)規(guī)劃與管理師每日一練試題內(nèi)容(2022/2/20)
試題1: 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. Such addresses are referred to as multicast addresses, and the act of sending a packet from a source to the members of a (1)group is referred to as multicasting. Multicasting done (2)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 (3)multicast group recognize the multicast address and (4)the packet. In this case, only a single copy of the packet is ever transmitted. This technique works because of the (5)nature of a LAN: A transmission from any one station is received by all other station on the LAN. 關(guān)于IT服務(wù)人員要素設(shè)計活動的描述,不正確的是:()。
A、服務(wù)團隊對關(guān)鍵崗位采取A/B崗機制,并適當(dāng)進行人員儲備
B、每年一次對運輸人員的績效進行考核評估,對不達標(biāo)者進行培訓(xùn)
C、服務(wù)團隊每年至少進行一次交付和應(yīng)急培訓(xùn),并進行效果評價
D、IT服務(wù)團隊的人員崗位設(shè)計為管理崗和操作崗兩類
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