某计算机系统采用5级流水线结构执行指令，设每条指令的执行由取指令(2Δt)、分析指令(1Δt)、取操作数(3Δt)、运算(1Δt)、写回结果(2Δt)组成，并分别用5个子部件完成，该流水线的最大吞吐率为______；若连续向流水线输入10条指令，则该流水线的加速比为______。

将使用波长为1310nm单模光纤的1000Base-LX网络升级改造为10000Base-LR网络时，______。万兆以太网设置最小帧长的主要目的是______。

单选题TCP协议是( )。

单选题以下关于三层C/S结构的叙述中，不正确的是( )。

单选题以下关于EFS(Encrypting File System) 的描述中，错误的是( )。

单选题高可用网络设计的核心目标是( )。

单选题An advanced persistent threat (APT) is a covert ( ) attack on a computer network where the attacker gains and maintains ( ) access to the targeted network and remains undetected for a significant period. An APT isa sophisticated, long-term and ( )attack, usually orchestrated by nation-state groups, cor well-organized criminal enterprises. During the time between infection and remediation the hacker will often monitor, intercept, and relay information and sensitive data. The intention of an APT is usually to ( ) or steal data rather than cause a network outage, denial of service or infect systems with malware. APTs often use social engineering tactics or exploit security (回答此处 ) in networks, applications or files to plant malware on target systems. A successful advanced persistent threat can be extremely effective and beneficial to the attacker.

单选题编译器与解释器是语言翻译的两种基本形态，以下关于编译器工作方式及特点的叙述中，正确的是( )。

单选题在BGP路由协议中，用于建立邻居关系的是( )报文。

单选题以下关于软件著作权产生时间的叙述中，正确的是( )

单选题IPSec的两个基本协议是AH和ESP,下面不属于AH协议的是( )。

单选题路由信息中不包括( )。

单选题An advanced persistent threat (APT) is a covert ( ) attack on a computer network where the attacker gains and maintains ( ) access to the targeted network and remains undetected for a significant period. An APT isa sophisticated, long-term and ( )attack, usually orchestrated by nation-state groups, cor well-organized criminal enterprises. During the time between infection and remediation the hacker will often monitor, intercept, and relay information and sensitive data. The intention of an APT is usually to (回答此处 ) or steal data rather than cause a network outage, denial of service or infect systems with malware. APTs often use social engineering tactics or exploit security ( ) in networks, applications or files to plant malware on target systems. A successful advanced persistent threat can be extremely effective and beneficial to the attacker.

单选题鸿蒙操作系统(HarmonyOS)为华为公司研制的一款自主版权的智能操作系统，它提出一套系统能力、适配多种终端形态的分布式理念。以下关于鸿蒙操作系统的叙述中，以下关于鸿蒙操作系统的叙述中，不正确的是( )。

单选题交换机SWA、SWB通过两根光纤千兆以太网链路连接在一起，其中交换机A上有如下接口配置：[SWA]interface GigabitEthernet 1/0/1[SWA-GigabitEthernet1/0/1] gvrp[SWA-GigabitEthernet1/0/1] port link-type trunk[SWA-GigabitEthernet1/0/1] port trunk permit vlan 110[SWA] interface GigabitEthernet 1/0/2[SWA-GigabitEthernet1/0/2] port link-type trunk[SWA-GigabitEthernet1/0/2] port trunk permit vlan 110若在SWA交换机上开启MSTP,则下列描述正确的是( )。

单选题如果一个链路每秒发送4000个帧，每个时隙8个比特，则该采用TDM的链路数据传输速率为( )。