A. Collision detection
B. Multiple access points
C. Carrier sense
D. Collision avoidance
第1题:
A.
B.
C.
D.
第2题:
在单链表中在指针p所指结点后插入结点q的操作是
A.q:=p↑.link;p↑.link:=q↑.link
B.p↑.link:=q↑.link;q↑link:=p↑.link
C.q↑.link:=p;p↑.link:=q
D.q↑.link:=P↑.link;p↑,link:=q
第3题:
A.右键--Cellcontent--Properties
B.右键--Properties--Cellcontent
C.右键--Properties--双击Charts1选项进行参数选择
D.Properties--右键--双击Charts1选项进行参数选择
第4题:
ClicktheExhibitbutton.TheApplianceclassisaSingletonthatloadsasetofpropertiesintoaMapfromanexternaldatasource.Assume:AninstanceoftheApplianceclassexistsintheapplication-scopedattribute,applTheapplianceobject includesthenamepropertythatmapstothevalueCobiaTherequest-scopedattribute,prop,hasthevaluename.WhichtwoELcodesnippetswilldisplaythestringCobia?()

A.${appl.properties.name}
B.${appl.properties.prop}
C.${appl.properties[prop]}
D.${appl.properties[name]}
E.${appl.getProperties().get(prop)}
F.${appl.getProperties().get(’name’)}
第5题:
将交换机的access端口ethernet0/1加入VLAN4,可用如下方法配置()。
A.[Switch]vlan 4[Switch-vlan4]port ethernet0/1
B.[Switch]vlan 4[Switch-Ethernet0/1]port access vlan 4
C.[Switch]vlan 4[Switch-vlan4]port accesse thernet0/1
D.[Switch]vlan 4[Switch-Ethernet0/1]port access vlan pvid 4[Huawei]vlan 3500[Huawei-Gigabit Ethernet0/0/1]disth interface Gigabit Ethernet0/0/1 port link-type access portdefault vlan 3500
第6题: