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INTERNET

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   2021年下半年
   网络管理员
   上午试卷综合知识

第71题
选择题

In telecommunications, 5G is the(71)generation technology standard for broadband cellular networks.5G networks are(72)cellular networks,for which the service area is divided into small geographical cells.All 5C(73)devices in a cell are connected to the Internet and telephone network by radio waves.The main advantage of the new networks is that they will have greater bandwidth, giving higher d..

69%

   2021年下半年
   网络管理员
   上午试卷综合知识

第34题
选择题

用户在电子商务网站上使用网上银行支付，必须通过()在Internet与银行专用网之间进行数据交换。

42%

   2021年上半年
   网络管理员
   上午试卷综合知识

第71题
选择题

The Address Resolution Protocol (ARP) is developed to enable communications on an internetwork and performs a required function in IProuting. ARPlies in the(71)layer of the TCP/IP model, and allows computers to introduce each other across a network prior to communication. ARP finds the(72)address ofa host from its known(73)address.Before a device sends a datagram to another deviceit looks in ..

83%

   2020年下半年
   网络管理员
   上午试卷综合知识

第71题
选择题

Network Address (71) (NAT) is the process where a network device assigns a public address to a computer (or group of computers) inside a private network. The main use of NAT is to limit the number of public IP addresses that an organization or company must use, for both economy and (72) purposes. When a packet traverses outside the local network, MAT converts the private IP address to a public IP ..

54%

   2019年下半年
   网络管理员
   上午试卷综合知识

第71题
选择题

ICMP is short for Internet (71) Message Protocol, and is an integral part of the Internet (72) suite (commonly referred to as TCP/IP). It is a (73) layer protocol used by network devices to diagnose network communication issues. IP is not designed to be absolutely reliable. ICMP is to provide feedback about problems in the communication environment, not to make IP (74).One of the most well-known a..

56%

   2019年下半年
   网络管理员
   上午试卷综合知识

第37题
选择题

TCP/IP协议簇中属于Internet层的协议是（37)。

50%

   2019年上半年
   网络管理员
   上午试卷综合知识

第71题
选择题

Simple Network Management Protocol（SNMP）is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device（71）.SNMP is a component of the Internet Protocol Suite as defined by the Internet（72）Task Force.SNMP operates in the（73）layer of the Internet protocol suite.All SNMP messages are transport..

73%

   2019年上半年
   网络管理员
   上午试卷综合知识

第32题
选择题

IPv4分组首部中，用于防止IP分组在Internet中无限传输的字段是（）。

40%

   2018年上半年
   网络管理员
   上午试卷综合知识

第71题
选择题

The number of home users and small businesses that want to use the Internet is ever increasing. The shortage of addresses is becoming a serious problem. A quick solution to this problem is called network address translation(NAT).NAT enables a user to have a large set of addresses（71）and one address, or a smallset of addresses,externally. The traffic inside can use the large set; the traffic（72）..

65%

   2016年下半年
   网络管理员
   上午试卷综合知识

第71题
选择题

The Internet is based on a connectionless end-to-end packet service, which traditionally provided best-effort means of data （71）using the Transmission Control Protocol/Internet Protocol Suite. Although the （72）design gives the Internet its flexibility and robustness, its packet dynamics also make it prone to congestion problems,especially at （73）that connect networks of widely different band..

52%

   2016年下半年
   网络管理员
   上午试卷综合知识

第47题
选择题

浏览器用户最近访问过的若干Web站点及其他Internet文件的列表叫（47）。

31%

   2016年上半年
   网络管理员
   上午试卷综合知识

第71题
选择题

The use of network（71）,systems that effectively isolate an organization's internal network structure from an（72）network, such as the INTERNET is becoming increasingly popular. These firewall systems typically act as application-layer（73）between networks, usually offering controlled TELNET, FTP, and SMTP access. With the emergence of more sophisticated（74）layer protocols designed to facilit..

47%

   2016年上半年
   网络管理员
   上午试卷综合知识

第70题
选择题

某PC的Internet协议属性参数如下图所示，默认网关的IP地址是（70）。

31%

   2015年下半年
   网络管理员
   上午试卷综合知识

第71题
选择题

VPN connections allow users working at home or on the road to connect in a secure fashion to a （71） corporate server using the routing infrastructure provided by a public internetwork (such as the Internet). From the user's perspective, the VPN connection is a point-to-point connection between the user's computer and a corporate （72）. The nature of the （73） internetwork is irrelevant to the ..

72%

   2015年下半年
   网络管理员
   上午试卷综合知识

第46题
选择题

Internet是由（）演变而来的。

37%

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