单选题 Which of the following describes the location where an administrator would terminate a bundle ofCAT5e cables?()
Switch
Smart jack
Router
Patch panel
单选题 Data encryption and decryption occurs at which layer of the OSI model?()
Transport
Presentation
Session
Application
单选题 Which of the following ports does POP3 services use, by default?()
25
110
143
443
单选题 Which of the following describes what the number two represents in l00Base2 cabling?()
Fiber
Coaxial cable
UTP
Twisted pair
单选题 An administrator needs to know the workstation name of a user who called in for support in orderto remotely manage it. After calling the user and having the user open a command prompt, whichof the following commands would the administrator ask the user to type?()
Netstat
Ifconfig
Hostname
Ping
单选题 A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?()
CAT3 cable
Serial cable
Crossover cable
Rollover cable
单选题 At which of the following layers does the UDP protocol operate?()
Layer 1
Layer 4
Layer 6
Layer 7
单选题 Which of the following should be changed to secure access to a WAPs configuration management interface?()
SSID
WPA2
DHCP
Password
多选题 By default, which of the following ports would a network need to have opened to allow for thetransmission of incoming and outgoing email?() (Select TWO).
21
25
80
110
123
单选题 Which of the following commands would be used to display the IP address on a UNIX/Linux computer?()
netstat
ipconfig
ifconfig
dig
海南西环高铁于去年底正式开通运营,全球首条环岛高速铁路诞生了。铁路最早出现在()
纵向偏离时,每个车辆转向架所承受的货物重量不得超过货车容许载重量的(),且两转向架承重之差不得大于10t。
采用过户转让的票据多指股票、政府债券和提单等。
周作人散文笔调从容闲逸,别有一种平淡悠远的趣味,其作品《零余者》《写在人生边上》都体现了这种风格。
关于女性输尿管下列哪项是正确的()
中国银行间市场交易商协会(以下简称交易商协会)负责受理企业债务融资工具的发行注册。交易商协会不接受注册的,企业可于( )后重新提交注册文件。
影响横封效果的因素有()
固定资产改良过程发生的变价收入应记入()。
简述脑梗死的治疗原则。
患者输注少白红细胞悬液约1小时时,出现呼吸急促,大汗淋漓,寒战,腰背部剧痛,心前区压迫感,心率120/分钟,呼吸30/分钟,血压75/45mmHg,体温39.8℃。随即出现血红蛋白尿。最可能的临床诊断是()