第
64题: 某无线路由器,在 2.4GH 频道上配置了 2 个信道,使用()信道间干扰最小。
A.1 和 3
B.4 和 7
C.6 和 10
D.7 和 12
答案解析与讨论:
www.cnitpm.com/st/5208823630.html第
65题: 以下关于层次化网络设计模型的描述中,不正确的是()。
A.终端用户网关通常部署在核心层,实现不同区域间的数据高速转发
B.流量负载和 VLAN 间路由在汇聚层实现
C.MAC 地址过滤、路由发现在接入层实现
D.接入层连接无线 AP 等终端设备
答案解析与讨论:
www.cnitpm.com/st/5208925268.html第
66题: 某存储系统规划配置 25 块 8TB 磁盘,创建 2 个 RAID6 组,配置 1 块热备盘,则该存储系统实际存储容量是()。
A.200TB
B.192TB
C.176TB
D.160TB
答案解析与讨论:
www.cnitpm.com/st/5209010642.html第
68题: 以下关于信息化项目成本估算的描述中,不正确的是()。
A.项目成本估算指设备采购、劳务支出等直接用于项目建设的经费估算
B.项目成本估算需考虑项目工期要求的影响,工期要求越短成本越高
C.项目成本估算需考虑项目质量要求的影响,质量要求越高成本越高
D.项目成本估算过粗或过细都会影响项目成本
答案解析与讨论:
www.cnitpm.com/st/5209217071.html第
69题: A network attack is an attempt to gain(71)access to an organization’s network,with the objective of stealing data or performing other malicious activities.Plagiarism is A(72)-of-service(DoS)attack is a cyber-attack in which the attacker seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.In the case of a simple attack,a(73)could have a simple rule added to deny all incoming traffic from the attackers,based on protocols,ports,or the originating IP addresses.In a(74)DoS(DDoS)attack wangwangwang,the incoming traffic flooding the victim originates from(75)different sources.This effectively makes it impossible to stop the attack simply by blocking a single source
A.unauthorized
B.authorized
C.normal
D.frequent
A.defense
B.denial
C.detection
D.decision
A.firewall
B.router
C.gateway
D.switch
A.damaged
B.descriptive
C.distributed
D.demanding
A.two
B.many
C.much
D.ten
答案解析与讨论:
www.cnitpm.com/st/520934746.html