TrafficdropforFCoEisexperiencedacrossaNexus5548switch.Whatisapossiblecause?()
A. Server’sCNAdoesnotsupportDCBXandPFCTLVwasnotnegotiated.
B. A"no-drop"classhasnotbeenconfiguredforFCoE
C. ThesystemisrunningwiththedefaultQOSpolicies.
D. Thelinkisoversubscribed.
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机体对结核分枝杆菌的免疫主要是()
A. 细胞免疫
B. 体液免疫
C. 溶菌酶的杀菌作用
D. 补体的溶菌作用
E. 中性粒细胞的吞噬作用
R1andR2areswitchesthatcommunicateviaVTP.WhatisthedefaultVTPadvertisementintervalsinCatalystswitchesthatareinserverorclientmode?()
A. 30seconds
B. 5minutes
C. 1minute
D. 10seconds
E. 5seconds
F. Noneoftheotheralternativesapply
大多数动物病毒的形态属于()
A. 球形
B. 杆形
C. 砖形
D. 弹形
E. 蝌蚪形
吞噬细胞吞噬细菌后,不可能出现的后果是()
A. 可引起组织损伤
B. 细菌被杀死消化
C. 细菌不被杀死,在细胞内仍可繁殖
D. 可引起细菌在体内扩散
E. 细菌不被杀死,但发生变异