单选题 Which of the following network devices operates on Layer 1 of the OSI model?()
Hub
Switch
Router
Bridge
单选题 A network administrator of a company has many branch locations each using a subnet mask of 255.255.255.224. Which of the following dynamic routing protocols should be used?()
IPv6
RIP
IGRP
RIPv2
单选题 学习后立即睡觉,保持的效果往往比学习后继续活动保持的效果更好,这是由于()。
过度学习
记忆的恢复现象
无倒摄抑制的影响
无前摄抑制的影响
单选题 A user connects to the companys intranet server via a VPN connection from a small office / home office (SOHO) using the broadband service. One day, the user cannot successfully connect to the VPN and receives an error message that states "Username and password are invalid on the domain." Which of the following should be done to correct this problem?()
Call the corporate help desk to have the VPN server rebooted
Re-enter the username and password in the VPN connection and reconnect
Call the broadband Internet provider to replace the SOHO router with a newer model
Ping the corporate VPN server to ensure it is online
单选题 一般地说,学习程度在百分之()时,记忆效果最好。
100
125
150
200
多选题 长时记忆系统中编码信息的方式为()。
听觉编码
视觉编码
形象编码
语义编码
单选题 When one connection to a host fails in a full mesh network, which of the following is true?()
All hosts can communicate.
No hosts can communicate.
Half of the hosts will lose communication.
Only the two hosts between the failed connection will lose communication.
单选题 A technician is installing a basic router for a SOHO network. After installing the router the PCs connected to it are not able to acquire an IP address. Which of the following did the technician fail to configure correctly?()
DHCP
DNS
WINS
NAT
单选题 开卷考试时的记忆活动是()。
识记
保持
回忆
再认
单选题 Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors?()
UTP
T568A/B
STP
IEEE 802.5
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()