多选题A certain highway has Exits l, 2, 3, and 4 in that order. Which of the following statements individually provide (s) sufficient additional information to determine the distance from Exit 2 to Exit 3? (Select all such statements.)AThe distance from Exit

题目
多选题
A certain highway has Exits l, 2, 3, and 4 in that order. Which of the following statements individually provide (s) sufficient additional information to determine the distance from Exit 2 to Exit 3? (Select all such statements.)
A

The distance from Exit l to Exit 3 is 7 miles, and the distance from Exit 3 to Exit 4 is 4 miles.

B

The total distance from Exit 1 to Exit 4 is 23 miles, the distance from Exit 1 to Exit 2 is 3 miles, and the distance from Exit 3 to Exit 4 is 9 miles.

C

The total distance from Exit l to Exit 4 is 23 miles, and the distance from Exit 2 to Exit 4 is 20 miles.


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更多“多选题A certain highway has Exits l, 2, 3, and 4 in that order. Which of the following statements individually provide (s) sufficient additional information to determine the distance from Exit 2 to Exit 3? (Select all such statements.)AThe distance from Exit”相关问题
  • 第1题:

    The following output occurs on Router R1. Which of the following cannot be determine d from this output?()R1 show ip route 180.1.1.0 255.255.255.240Routing entry for 180.1.1.0/28Known via "bgp 2", distance 20, metric 0Tag 3, type externalLast update from 192.168.1.2 00:10:27 agoRouting Descriptor Blocks:* 192.168.1.2, from 19 2.168.1.2, 00:10:27 agoRoute metric is 0, traffic share count is 1AS Hops 2Route tag 3

    A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1

    B. R1‘s ASN

    C. The next - hop router‘s ASN

    D. The AS_Path length


    参考答案:C

  • 第2题:

    Refer to the exhibit. EIGRP has been configured on al l routers in the network. The command metric weights 0 0 1 0 0 has been added to the EIGRP process so that only the delay metric is used in the path calculations. Which router will R1 select as the successor and feasible successor for Network A?()

    A. R 4 becomes the successor for Network A and will be placed in the routing table. R2 becomes the feasible successor for Network A

    B. R4 becomes the successor for Network A and will be included in the routing table. No feasible successor will be selected a s the advertised distance from R2 is higher than the feasible distance

    C. R2 becomes the successor and will be placed in the routing table. R4 becomes the feasible successor for Network A

    D. R2 becomes the successor and will be placed in the routing t able. No feasible successor will be selected as the reported distance from R4 is lower than the feasible distance


    参考答案:B

  • 第3题:

    Which one of the following statements best explains the split horizon rule used in distance vector routing protocols?()

    A. Only routers can split boundaries (horizons) between concentric networks.

    B. Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.

    C. Networks can only remain fully converged if all information is sent out all active interfaces.

    D. Information about a route should not be sent back in the direction from which the original update came.

    E. Distance vector protocols need fall back routers that are responsible for momentary loops.


    参考答案:D

  • 第4题:

    共用题干
    Spacing in Animals
    1. Any observant person has noticed that a wild animal will allow a man or other potential enemy to approach only up to a given distance before it flees.“Flight distance”is the terms used for this interspecies spacing.As a general rule,there is a positive relationship between the size of an ani-mal and its flight distance-the larger the animal,the greater the distance it must keep between itself and the enemy.An antelope will flee when the enemy is as much as five hundred yards a-way .The wall lizard's flight distance,on the other hand,is about six feet. Flight is the basic means of survival for mobile creatures.
    2. Critical distance apparently is present wherever and whenever there is a flight reaction.“Criti-cal distance”includes the narrow zone separating flight distance from attack distance.A lion in a zoo will flee from an approaching man until it meets a barrier that it cannot overcome.If the man continues the approach,he soon penetrates the lion's critical distance,at which point the cornered lion reverses direction and begins slowly to stalk the man.
    3. Social animals need to stay in touch with each other. Loss of contact with the group can be fa-tal for a variety of reasons including exposure to enemies.Social distance is not simply the dis-tance at which an animal will lose contact with his group-that is,the distance at which it can no longer see,hear,or smell the group-it is rather a psychological distance,one at which the ani- mal apparently begins to feel anxious when he exceeds its limits.We can think of it as a hidden band that contains the group.
    4. Social distance varies from species to species. It is quite short-apparently only a few yards- among some animals,and quite long among others.
    5. Social distance is not always rigidly fixed but is determined in part by the situation.When the young of apes and humans are mobile but not yet under control of the mother's voice,social dis-tance may be the length of her reach .This is readily observed among the baboons in a zoo .When the baby approaches a certain point,the mother reaches out to seize the end of its tail and pull it back to her. When added control is needed because of danger,social distance shrinks.To show this in man,one has only to watch a family with a number of small children holding hands as they cross a busy street.

    If an animal's critical distance is penetrated,it will______.
    A: differs among animal species
    B: to psychological distance
    C: begin to attack
    D: to physiological distance
    E: distance between an animal and its enemy before fleeing
    F: distance between certain animal species before fleeing

    答案:C
    解析:
    “‘Flight distance' is the terms used for this interspecies spacing.”“逃离距离”是用来描述物种间的这种间隔距离的术语。


    这一段一开头就提到,危险距离指的是逃离距离和进攻距离之间的狭窄区域。


    这段讲的就是动物间的社会距离的概念及其重要性。


    这一段第一句话就提到“社会距离不是不变的,而是部分取决于环境的。”


    答案可以从第一段找到,最符合原文对flight distance下的定义。


    “...at which point the cornered lion reverses direction and begins slowly to stalk the man.”这时走投无路的狮子调转过头来,开始慢慢地前进,接近人。所以当动物危险距离被入侵时,动物开始攻击。


    根据文章,社会距离指心理距离。原句:… it is rather a psychological distance.


    动物间的社会距离不同。文中原句为:Social distance varies from species to species.

  • 第5题:


    According to the passage,which of the following statements is true?( )

    A.Britain has agreed to discuss the conditions of the exit before discussing the future trade ties.
    B.EU might not be satisfied with May’s speech.
    C.Theresa May has mapped out the blueprint of the relations between Britain and EU.
    D.Britain is fully prepared to withdraw from EU in an orderly way.

    答案:B
    解析:

  • 第6题:

    shell内部命令exit用于返回退出状态,当没有找到文件时,返回()

    • A、exit0
    • B、exit1
    • C、exit2
    • D、exit3

    正确答案:B

  • 第7题:

    Which of the following SQL statements will return the year and average salary for all employees hired within a given year that have a salary greater than $30,000?()

    • A、SELECT * FROM t1 UNION SELECT * FROM t2
    • B、SELECT * FROM t1 UNION DISTINCT SELECT * FROM t2
    • C、SELECT * FROM t1 INTERSECT SELECT * FROM t2
    • D、SELECT * FROM t1 WHERE (c1,c2)= (SELECT c1,c2 FROM t2)

    正确答案:B

  • 第8题:

    You create a master-detail form. The users need to be able to exit the form quickly, adhering to default transaction processing, regardless of the cursor location. You believe you can achieve this using a Key-Exit trigger. What do you need to do to implement this request? ()

    • A、Define a Key-Exit trigger for all the blocks in the form.  
    • B、In the Object Navigator, highlight all the items and define a Key-Exit trigger. 
    • C、Define a Key-Exit trigger on the primary key item in the master block.
    • D、No additional key-trigger definition is necessary.

    正确答案:D

  • 第9题:

    Which SQL statement accepts user input for the columns to be displayed, the table name, and the WHERE condition?()

    • A、SELECT &1, "&2" FROM &3 WHERE last_name = '&4';
    • B、SELECT &1, '&2' FROM &3 WHERE '&last_name = '&4'';
    • C、SELECT &1, &2 FROM &3 WHERE last_name = '&4';
    • D、SELECT &1, '&2' FROM EMP WHERE last_name = '&4';

    正确答案:C

  • 第10题:

    多选题
    If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)
    A

    p + q is even

    B

    pq is odd

    C

    p2-q2 is even


    正确答案: A,B
    解析:
    由于所有大于2的质数都是奇数,因此p和q均是奇数,两奇数相加为偶数,所以A项正确;两奇数的乘积还是奇数,所以B项正确;两奇数的平方还各自是奇数,而两奇数的平方之差是偶数,因此C项也正确;所以选择A、B、C三项。

  • 第11题:

    单选题
    The following output occurs on Router R1. Which of the following cannot be determine d from this output?() R1# show ip route 180.1.1.0 255.255.255.240 Routing entry for 180.1.1.0/28 Known via "bgp 2", distance 20, metric 0 Tag 3, type external Last update from 192.168.1.2 00:10:27 ago Routing Descriptor Blocks: * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago Route metric is 0, traffic share count is 1 AS Hops 2 Route tag 3
    A

    The type of BGP peer (iBGP or eBGP) that advertised this route to R1

    B

    R1's ASN

    C

    The next - hop router's ASN

    D

    The AS_Path length


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within().
    A

    the distance of visibility

    B

    1/2 the distance of visibility

    C

    a distance appropriate to the existing circumstances and conditions

    D

    the distance that it would require for the propeller to go from full ahead to full astern


    正确答案: B
    解析: 暂无解析

  • 第13题:

    The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?()R2 show ip policyInterface Route mapFa0/0 RM1Fa0/1 RM2S0/0/0 RM3

    A. R2 will forward all packets that enter Fa0/0 per the PBR configuration.

    B. R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.

    C. R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.

    D. R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.


    参考答案:D

  • 第14题:

    Refer to the exhibit. Which statement is true about the router configuration that is shown ?Select the best response.()

    A. Additional DHCP options will be imported from another DHCP server.

    B. The DHCP server pools need to be bound to an interface to operate.

    C. This configuration will provide IP configuration information to two different su bnets.

    D. Additional DCHP option information needs to be imported from another DHCP server.

    E. If the router hands out all the addresses in pool 1, then it will supply addresses from pool 2.


    参考答案:C

  • 第15题:

    共用题干
    Spacing in Animals
    1. Any observant person has noticed that a wild animal will allow a man or other potential enemy to approach only up to a given distance before it flees.“Flight distance”is the terms used for this interspecies spacing. As a general rule,there is a positive relationship between the size of an ani-mal and its flight distance-the larger the animal,the greater the distance it must keep between itself and the enemy.An antelope will flee when the enemy is as much as five hundred yards a-way .The wall lizard's flight distance,on the other hand,is about six feet. Flight is the basic means of survival for mobile creatures.
    2. Critical distance apparently is present wherever and whenever there is a flight reaction.“Criti-cal distance”includes the narrow zone separating flight distance from attack distance.A lion in a zoo will flee from an approaching man until it meets a barrier that it cannot overcome.If the man continues the approach,he soon penetrates the lion's critical distance,at which point the cor-nered lion reverses direction and begins slowly to stalk the man.
    3 .Social animals need to stay in touch with each other. Loss of contact with the group can be fatal for a variety of reasons including exposure to enemies.Social distance is not simply the dis- tance at which an animal will lose contact with his group-that is,the distance at which it can no longer see,hear,or smell the group-it is rather a psychological distance,one at which the animal apparently begins to feel anxious when he exceeds its limits.We can think of it as a hidden band that contains the group.
    4. Social distance varies from species to species.It is quite short-apparently only a few yardsamong some animals,and quite long among others.
    5. Social distance is not always rigidly fixed but is determined in part by the situation.When the young of apes and humans are mobile but not yet under control of the mother's voice,social distance may be the length of her reach.This is readily observed among the baboons in a zoo.When the baby approaches a certain point,the mother reaches out to seize the end of its tail and pull it back to her. When added control is needed because of danger,social distance shrinks.To show this in man,one has only to watch a family with a number of small children holding hands as they cross a busy street.

    If an animal's critical distance is penetrated,it will______.
    A: differs among animal species
    B: to psychological distance
    C: begin to attack
    D: to physiological distance
    E: distance between an animal and its enemy before fleeing
    F: distance between certain animal species before fleeing

    答案:C
    解析:
    “‘Flight distance' is the terms used for this interspecies spacing.”“逃离距离”是用来描述物种间的这种间隔距离的术语。


    这一段一开头就提到,危险距离指的是逃离距离和进攻距离之间的狭窄区域。


    这段讲的就是动物间的社会距离的概念及其重要性。


    这一段第一句话就提到“社会距离不是不变的,而是部分取决于环境的。”


    答案可以从第一段找到,最符合原文对flight distance下的定义。


    “…at which point the cornered lion reverses direction and begins slowly to stalk the man.”这时走投无路的狮子调转过头来,开始慢慢地前进,接近人。所以当动物危险距离被入侵时,动物开始攻击。


    根据文章,社会距离指心理距离。原句:…it is rather a psychological distance.


    动物间的社会距离不同。文中原句为:Social distance varies from species to species.

  • 第16题:


    There’s a stalemate between EU and Britain after Brexit because( )

    A.the two sides have not reached an agreement on conditions of Britain’s orderly exit
    B.British people are divided on the issue of Brexit
    C.Britain refuses to fill the financial hole of the EU
    D.EU does not want Britain to exit from it

    答案:A
    解析:

  • 第17题:

    shell内部命令exit用于返回退出状态,当命令不工作时,返回()

    • A、exit0
    • B、exit1
    • C、exit2
    • D、exit3

    正确答案:C

  • 第18题:

    Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?()

    • A、SELECT UNIQUE dept FROM staff
    • B、SELECT DISTINCT dept FROM staff
    • C、SELECT (dept) UNIQUE FROM staff
    • D、SELECT (dept) DISTINCT FROM staff

    正确答案:B

  • 第19题:

    Which attribute can influence inbound traffic flows from a neighboring AS?()

    • A、Aggregator
    • B、Local preference
    • C、Atomic aggregate
    • D、Multiple exit discriminator

    正确答案:D

  • 第20题:

    The telesales force requested additional ways to terminate the automated polling questionnaire. In addition to the default functionality, you provide a menu item and a button for this purpose. Adhering to efficient coding practices, which PL/SQL code do you use for the menu item and the button?()

    • A、EXIT 
    • B、EXIT_FORM 
    • C、DO_KEY('Key-Exit') 
    • D、DO_KEY('EXIT_FORM')

    正确答案:D

  • 第21题:

    单选题
    Note the following statements that use flashback technology: 1. FLASHBACK TABLE TO SCN ; 2. SELECT * FROM AS OF SCN 123456; 3. FLASHBACK TABLE TO BEFORE DROP; 4. FLASHBACK DATABASE TO TIMESTAMP ; 5. SELECT * FROM VERSIONS AS OF SCN 123456 AND 123999; Which of these statements will be dependent on the availability of relevant undo data in the undo segment?()
    A

    1, 2, and 5

    B

    1, 3, and 4

    C

    2, 3, 4, and 5

    D

    1, 2, 3, 4, and 5


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following SQL statements will return the year and average salary for all employees hired within a given year that have a salary greater than $30,000?()
    A

    SELECT * FROM t1 UNION SELECT * FROM t2

    B

    SELECT * FROM t1 UNION DISTINCT SELECT * FROM t2

    C

    SELECT * FROM t1 INTERSECT SELECT * FROM t2

    D

    SELECT * FROM t1 WHERE (c1,c2)= (SELECT c1,c2 FROM t2)


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    The telesales force requested additional ways to terminate the automated polling questionnaire. In addition to the default functionality, you provide a menu item and a button for this purpose. Adhering to efficient coding practices, which PL/SQL code do you use for the menu item and the button?()
    A

    EXIT 

    B

    EXIT_FORM 

    C

    DO_KEY('Key-Exit') 

    D

    DO_KEY('EXIT_FORM')


    正确答案: B
    解析: 暂无解析