多选题Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?()AEach device on the Ethernet segment stops transmitting for a short time.BA jam signal informs all devices that a collision occurred.CWhen data transmission resumes, the devices that were involved in the collision have priority to transmit.DThe devices that are involved in the collision stops transmitting for a short time.EThe collision invokes a random back-off algorithm.
多选题
Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?()
A
Each device on the Ethernet segment stops transmitting for a short time.
B
A jam signal informs all devices that a collision occurred.
C
When data transmission resumes, the devices that were involved in the collision have priority to transmit.
D
The devices that are involved in the collision stops transmitting for a short time.
E
The collision invokes a random back-off algorithm.
参考解析
解析:
暂无解析
相关考题:
单选题A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?()Aaccess-list 101 deny tcp 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyBaccess-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyCaccess-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any anyDaccess-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any any
单选题Refer to the exhibit。A problem with network connectivity has been observed.It is suspected that the cable connected to switch port Fa0/9 on Switch 1 disconnected.What would be an effect of tis cable being disconnected?()A Host B would not be able to access the server in VLAN9 until the cable is reconnectedB For less than a minute ,Host B would not be able to access the server in VLAN9.Then normal network function would resume.C Communication between VLAN3 and the other VLANs would be disabledD The transfer of files from Host B to the server in VLAN9 would be significantly slower.
单选题Which statement is false?()A custom URL categories cannot contain IP addressesB custom URL categories cannot override predefined URL categoriesC custom URL categories can contain domain namesD custom URL categories can use regular expressions
单选题患儿男,1岁半。发热,咳嗽4天,曾用青霉素肌注治疗无效。昨天起拒食,呕吐,尿量减少。入院查体:体温39.8℃,脉率180次/分,呼吸65次/分,精神萎靡,烦躁不安,口唇发绀,鼻翼扇动,三凹征(+),两肺散在中小水泡音,肝脏右肋下3cm。血白细胞2.5×109/L,中性粒细胞90%。该患儿最可能的情况是()A肺炎合并心衰B肺炎合并中毒性脑病C肺炎合并脓胸D肺炎合并肺大疱E肺炎合并肺脓肿
多选题Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()A15.234.118.63B92.11.178.93C134.178.18.56D192.168.16.87E201.45.116.159F217.63.12.192
单选题4个月小儿,按照计划免疫程序规律接种,此时应当接种()A麻疹第一针B卡介苗第一针C乙肝第二针D百白破第二针E脊髓灰质炎糖丸第二次