单选题 Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?()
Firewall
Bridge
Repeater
Router
单选题 A VPN connection is not working correctly and the technician is unable to ping the VPN server. Which of the following actions should the technician do FIRST?()
Call their local ISP
Verify the IP information of the server
Check their local Internet connection
Verify the hostname of the server
单选题 Which of the following should be configured to provide priority to voice traffic?()
Port mirroring
DMZ
Qos
Trunking
单选题 Which of the following wiring standards would MOST likely be used to interconnect two devices without the use of a hub or switch?()
568A
568B
Crossover
Loopback
单选题 After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?()
Crossover cable with open pairs
Crossover cable
Rollover cable
Straight-thru cable with open pairs
单选题 Which of the following security devices would MOST likely be used on a network to screen and prevent malicious traffic?()
IDS
VPN
NIPS
HIDS
单选题 Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?()
VPN concentrator
Content filter
Load balancer
Proxy server
单选题 A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?()
The laptop is too far away from the WAP.
The WAP is using 802.11a frequencies.
The laptop is only set to allow 802.11n connections.
The technician is on an 802.11b network.
单选题 Which of the following LAN technologies is defined as fast Ethernet?()
10Base-T
100Base-T
100Base-FX
1000Base-T
单选题 Which of the following would MOST likely be used with multimode fiber?()
10GBase-LR
10GBase-T
10GBase-ER
10GBase-SR
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()