单选题How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）A These attacks send multiple FIN segments forcing TCP connection release.B These attacks fill up a hosts’ listen queue by failing to A

题目
单选题
How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）
A

These attacks send multiple FIN segments forcing TCP connection release.

B

These attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.

C

These attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.

D

These attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.

E

These attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.

相似考题

1.在防范食品污染方面，你们采取什么措施?A.What measures will you take against food pollution?B.What actions will you take for selecting food?C.How will you prevent the food from being polluted?D.Have you taken any measures against food pollution?

2.●Most computer systems are (71) to two different groups of attacks:Insider attacks and outsider attacks． A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users． Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks． These attacks are usually (75) by tools referred to as Intrusion Detection Systems．(71) A．vulnerableB．weekC．sensitivelyD．helpless(72) A．reliableB．secureC．indestructibleD．steady(73) A．visitB．accessC．I/OD．read/write(74) A．powerB．rightsC．authorizedD．common(75) A．searchedB．checkedC．testedD．detected

3.28． Mr Snow asked the Browns some questions to _________．A． see if they had moved to a new houseB． find out how rich the Browns wereC． know where they'd keep their new petD． make sure they'd take good care of pets

4.Her type of women can () life much more easily.A.cope withB.take advantage ofC.take care ofD.look after

更多“How doTCP SYN attacks take advantage ofTCPto prevent new con”相关问题

  • 第1题：

    You should take advantage of this chance of a lifetime.(英译汉)


    参考答案：你要好好利用这次千载难逢的机会。

  • 第2题：

    Wendy was too nice to me those days, but I felt that she ______________________ me as a free babysitter.

    A.was taking advantage of

    B.take advantage of

    C.takes advantage of

    D.taking advantage of


    参考答案：A

  • 第3题：

    We hope you'll () our resources and our commitment to excellence.

    A、take advantages of

    B、take the advantage of

    C、take advantage of

    D、take advantages on


    参考答案：C

  • 第4题：

    Most computer systems are(165)to two different groups of attacks: Insider attacks and outsider attacks. A system that is known to be(166)to an outsider attack by preventing(167)from outside can still be vulnerable to the insider attacks accomplished by abusive usage of(168)users. Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks. These attacks are usually(169)by tools referred to as Intrusion Detection Systems.

    A．vulnerable

    B．week

    C．sensitively

    D．helpless


    正确答案：A

  • 第5题：

    Which two types of attacks are considered to be denial of service?() (Choose two.)

    A. zombie agents

    B. SYN flood

    C. IP packet fragments

    D. WinNuke


    参考答案：B, D

  • 第6题：

    Again, differences between people and the opportunity for natural selection to take advantage of it have diminished.


    正确答案：
    68. 【译文】人与人之间的差异以及自然选择利用该差异的机会减少了。
    【解析】注意 differences  between people和 the opportunity for natural selection to take advantage of it是两个并列的主语，千万不要理解成 people与the opportunity 是between 的并列宾语。另外注意句中的 it 指代的是 differences between people。
    重点词组：natural selection 自然选择；take advantage of 利用

  • 第7题：

    He wants to（）of the fine weather today to play tennis.

    • A、take the advantage
    • B、take advantage
    • C、take an advantage
    • D、have advantage

    正确答案:B

  • 第8题：

    We would like to take this（）to establish business relations with you.

    • A、opening
    • B、opportunity
    • C、step
    • D、advantage

    正确答案:B

  • 第9题：

    How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）

    • A、These attacks send multiple FIN segments forcing TCP connection release.
    • B、These attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.
    • C、These attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.
    • D、These attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.
    • E、These attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.

    正确答案:B

  • 第10题：

    Which two types of attacks are considered to be denial of service?（） (Choose two.)

    • A、zombie agents
    • B、SYN flood
    • C、IP packet fragments
    • D、WinNuke

    正确答案:B,D

  • 第11题：

    单选题
    Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?（）
    A

    Segment Advisor

    B

    SQL Access Advisor

    C

    Undo Advisor

    D

    SQL Tuning Advisor


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature？（）
    A

     Segment Advisor

    B

     SQL Access Advisor

    C

     Undo Advisor

    D

     SQL Tuning Advisor


    正确答案： C
    解析： 暂无解析

  • 第13题：

    一________________will the meal take?

    一It'll take two hours，I think.

    A. How many

    B. How much

    C. How long


    参考答案C

  • 第14题：

    _______ will it take you from your school to the library?

    A、How far

    B、How soon

    C、How long

    D、How many


    参考答案：C

  • 第15题：

    A: ( ) will the meal take? B:It'll take two hours, I think.

    A. How long

    B. How many

    C. How much


    正确答案:A

  • 第16题：

    Most computer systems are (71) to two different groups of attacks：insider attacks and outsider attacks．A system that is known to be (72) to an outsider attack by preventing(73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users．Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment,but also helps to prevent future attacks．These attacks are usually (75) by tools referred to as Intrusion Detection Systems．

    (77)

    A．vulnerable

    B．week

    C．helpless

    D．sensitively


    正确答案：A

  • 第17题：

    Which cisco security product line uses deep inspection to identify and prevent malicious attacks, resource misuse, and unauthorized access?()

    A.MARS

    B.NAC

    C.VPN

    D.IPS


    参考答案：D

  • 第18题：

    ________will the discharging operations take?

    A.How long

    B.How length

    C.How many times

    D.How many shift


    正确答案：A

  • 第19题：

    How about（）?

    • A、taking a holiday
    • B、take a holiday
    • C、to take a holiday

    正确答案:A

  • 第20题：

    The Company security administrator is concerned with VLAN hopping based attacks. Which two  statements about these attacks are true？ （）

    • A、 Attacks are prevented by utilizing the port-security feature.
    • B、 An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the  802.1q encapsulation.
    • C、 Configuring an interface with the switchport mode dynamic command will prevent VLAN  hopping.
    • D、 An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q  encapsulation.
    • E、 Configuring an interface with the "switchport mode access" command will prevent VLAN  hopping.

    正确答案:B,E

  • 第21题：

    Which cisco security product line uses deep inspection to identify and prevent malicious attacks,resource misuse, and unauthorized access?（）

    • A、MARS
    • B、NAC
    • C、VPN
    • D、IPS

    正确答案:D

  • 第22题：

    单选题
    Journalists are not eager to accept computer newspapers, because ______.
    A

    they don’t know how to use computers

    B

    they think computer newspapers take too much time to read

    C

    they think the new technology is bad

    D

    they have been trained to write for traditional newspapers


    正确答案： A
    解析：
    根据文章第三段…it may be that the present generation of journalists and publishers will have to die off before the next generation realize that the newspaper industry...可知，现在的记者等感到很难接受电脑报业的发展，因为他们习惯了传统意义的报纸消息。因此D选项正确。

  • 第23题：

    多选题
    Which two network attack statements are true？（）
    A

    Access attacks can consist of password attacks，trust exploitation，port redirection，and man-in-the-middle attacks.

    B

    Access attacks can consist of UDP and TCP SYN flooding，ICMP echo-request floods，and ICMP directed broadcasts.

    C

    DoS attacks can be reduced through the use of access control configuration，encryption，and RFC 2827 filtering.

    D

    DoS attacks can consist of IP spoofing and DDoS attacks.

    E

    IP spoofing can be reduced through the use of policy-based routing.

    F

    IP spoofing exploits known vulnerabilities in authentication services， FTP services，and web services to gain entry to web accounts，confidential databases，and other sensitive information.


    正确答案： A,B
    解析： 暂无解析

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