接上题

试卷相关题目

• 1接上题

  A.different

  B.unique

  C.special

  D.corresponding

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• 2接上题

  A.within

  B.out of

  C.beyond

  D.cover

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• 3Typically，an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Sunch addresses are referred to as multicast addresses，and the act of sending a packet from a source to the members of a （71）group is referred to as multicasting. Multicasting done (72) the scope of a single LAN segment is straightforwarD，IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the （73）multicast group recognize the multicast address and （74）the packet.In this case,only a single copy of the packet is ever transmitteD，This technique works because of the （75）nature of a LAN:A transmission from any one station is received by all other stations on the LAN.

  A.numerous

  B.only

  C.single

  D.multicast

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• 4接上题，应配备（70）设备进行防护。

  A.WAF（WEB安全防护）

  B.IDS（入侵检测）

  C.漏洞扫描系统

  D.负载均衡

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• 5某企业门户网站（www.xxx.com）被不法分子入侵，查看访问日志，发现存在大量入侵访问记录，如下图所示。www.xxx.com/news/html/、0’union select 1 from (select count(*),concat(floor(rand(0)*2),0x3a,(select concat(user,0x3a,password) from pwn_base_admin limit 0,1),0x3a)a from information_sc

  A.tables group by a)b where’1’=’1.htm该入侵为（69）攻击，应配备（70）设备进行防护。A.DDOS

  B.跨站脚本

  C.SQL注入

  D.远程命令执行

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• 6接上题

  A.multicast

  B.unicast

  C.broadcast

  D.multiple unicast

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