单选题 An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?()
Cable tester
Multimeter
Toner probe
Protocol analyzer
单选题 Which of the following tools would allow an administrator to push out a software update to allswitches on the network?()
Network management
Protocol analyzer
Network monitoring
System diagnostic
单选题 Which of the following devices should an administrator connect to a protocol analyzer in order tocollect all of the traffic on a LAN segment?()
Hub
VLAN
Router
Server
单选题 A natural disaster has occurred and the administrator must return the network to a healthy status.Which of the following should the administrator do in this case?()
Follow the emergency action plan.
Wait for an issue to be reported.
Establish a new baseline.
Determine if escalation is necessary.
单选题 Which of the following holds multiple connections and is usually maintained by the telephone company?()
Demarc
IDF
MDF
110 block
单选题 The helpdesk is receiving calls about the corporate web server being down. Which of the followingshould be taken NEXT after verifying that the server is unreachable?()
Escalate the call to a technician
Document any changes in the web server configuration.
Implement and test a solution.
Continuously ping the server until a ping response is obtained
单选题 Which of the following protocols defaults to port 161?()
SFTP
SNMP
SMTP
SNTP
单选题 One end of a CAT5 cable is punched down following the 568B standard. The other end should beterminated using which standard to make a straight-through cable?()
568B
RJ-11
RJ-45
568A
单选题 Which of the following is used to serve as an emergency backup line to troubleshoot a broadbandconnection on many routers?()
DSL
POTS
VDSL
Smart jack
单选题 A technician receives a call on monday morning that several computers will not connect to the network. The technician determines that the computers left on over the weekend are functional and those that were turned off over the weekend are not functioning. Which of the following is the MOST likely source of the problem?()
DHCP is not functioning.
WINS needs to be restarted.
DNS is not functioning.
LDAP is not functioning.
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()