protocol
VLAN number
TCP or UDP port numbers
source switch port number
source IP address and destination IP address
source MAC address and destination MAC address
第1题:
RIP v1
RIP v2
IGRP
OSPF
EIGRP
第2题:
a stronger encryption algorithm
key mixing using temporal keys
shared key authentication
a shorter initialization vector
per frame sequence counters
第3题:
50%葡萄糖液
20%甘露醇
50%甘油口服
呋塞米
地塞米松
第4题:
肺炎
心力衰竭
中枢性呼吸衰竭
周围性呼吸衰竭
喉炎
第5题:
网络层
传输层
会话层
表示层
第6题:
10
40
30
20
第7题:
蜂窝组织炎
脓包疮
丹毒
水痘脑炎
结核
第8题:
Filtering can occur based on Layer 3 information.
Broadcasts are eliminated.
Routers generally cost less than switches.
Broadcasts are not forwarded across the router.
Adding a router to the network decreases latency.
第9题:
It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
It supports the evolution of multiple competing standards, and thus provides business opportunities for equipment manufacturers.
It encourages industry standardization by defining what functions occur at each layer of the model.
It provides a means by which changes in functionality in one layer require changes in other layers.
第10题:
纠正酸中毒
供氧
保暖、复温
预防感染
供给足够的营养
第11题:
The data link layer
The application layer
The access layer
The session layer
The network layer
第12题:
2岁后
3岁后
4岁后
5岁后
6岁后
第13题:
3个月
9个月
24个月
30个月
36个月
第14题:
大便中不含果酱样大便
很快入睡,不再哭闹和呕吐
X线下杯口影消失,空气顺利进入小肠
腹部包块消失
口服活性炭后可从粪便中见到黑色碳剂
第15题:
providing a step-by-step plan that details the installation and service-commission tasks required in order to create a controlled-implementation environment that emulates a customer network
assessing the ability of site facilities to accommodate proposed infrastructure changes
developing and executing proof-of-concept tests, validating high-level infrastructure design, and identifying any design enhancements
improving the network management system and the performance and functionality of infrastructure operations
第16题:
A level 5 password is not set
The vty password is missing
The console password is missing
An ACL is blocking Telnet access
第17题:
第18题:
对
错
第19题:
反应差或烦躁
哭声异常、肌张力低
易激惹、惊厥
补充葡萄糖后症状消失
呼吸暂停
第20题:
每个用户的挑战验证机制
简化路由器对ACL的处理
降低网络黑客对网络的攻击机会
在不损害其他安全配置的前提下,可以动态的让用户穿越防火墙
第21题:
multicast
broadcast
allcast
podcast
anycast
第22题:
128
192
254
256
510
第23题:
电话线到NT1的接口
NT1到终端的接口
交换机到用户板的接口
第24题:
access-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 any
access-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 any
access-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 any
access-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