名词解释题hop count站计数
名词解释题
hop count站计数
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细菌培养和菌落计数(colony count)是诊断尿路感染的主要依据，当菌落计数达到多少时，应认为有感染A、菌落计数>103/mlB、菌落计数>104/mlC、菌落计数104～105/ml之间D、菌落计数>105/mlE、菌落计数>106/ml
Which three statements are correct about RIP version 2 (Choose three.)（）。A、It has the same maximum hop count as version 1B、It uses broadcasts for its routing updatesC、It is a classless routing protocolD、It has a lower default administrative distance than RIP version 1E、It supports authenticationF、It does not send the subnet mask in updates
In order to maintain security， with which hop count are IPv6 neighbor discovery packets sent？（）A、0B、1C、255D、256
What is the purpose of a network mask?（）A、It is used to identify the maximum hop count of a subnetworkB、It is used to identify an IP address as either private or publicC、It is used to identify the network to which an IP address belongsD、It is used to identify the total number of bits present in an IP address
Which of the following characteristics are common to both RIPv2 and RIPng？（Choose all thatapply.）（）A、Link-local address used for next-hop addressesB、Interface can be added to RIP routing process in either interface configuration mode or in routerconfiguration modeC、Uses a multicast to send routing updatesD、Use hop count as a metricE、Distance-vector routing protocolF、Maximum hop count is 15 with 16 being "unreachable"
为了改善路测中因为话音质量引起的频繁小区内切换，可以通过调整（）A、hop_countB、hoppingfrequenciesC、hop_count_timerD、mobile allocation index offset
What is the purpose of a network mask?（）A、It is used to identify the maximum hop count of a subnetwork.B、It is used to identify an IP address as either private or public.C、It is used to identify the network to which an IP address belongs.D、It is used to identify the total number of bits present in an IP address.
单选题In order to maintain security， with which hop count are IPv6 neighbor discovery packets sent？（）A0B1C255D256
多选题Which of the following characteristics are common to both RIPv2 and RIPng？（Choose all thatapply.）（）ALink-local address used for next-hop addressesBInterface can be added to RIP routing process in either interface configuration mode or in routerconfiguration modeCUses a multicast to send routing updatesDUse hop count as a metricEDistance-vector routing protocolFMaximum hop count is 15 with 16 being unreachable
单选题What is the purpose of a network mask?（）AIt is used to identify the maximum hop count of a subnetworkBIt is used to identify an IP address as either private or publicCIt is used to identify the network to which an IP address belongsDIt is used to identify the total number of bits present in an IP address
多选题Which two of the following are valid characteristics of EIGRP?（）AHas a maximum hop count of 25BCan differentiate between internal and external routesCUses a 32-bit metricDCan maintain only one routing tableENeed all networks to use the same subnet maskFSupports only one routed protocol
单选题What is the purpose of a network mask?（）AIt is used to identify the maximum hop count of a subnetwork.BIt is used to identify an IP address as either private or public.CIt is used to identify the network to which an IP address belongs.DIt is used to identify the total number of bits present in an IP address.
填空题SQL Server聚合函数有最大、最小、求和、平均和计数等，它们分别是（）、avg和count。