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Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.()A. All OSPF networks require the use of multiple areasB. Multiple OSPF areas must connect to area 0C. Single area OSPF networks must be configu

题目
Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.()

A. All OSPF networks require the use of multiple areas

B. Multiple OSPF areas must connect to area 0

C. Single area OSPF networks must be configured in area 1

D. Areas can be assigned any number from 0 to 63535

E. Area 0 is called the backbone area

F. Each OSPF area need to be configured with a loopback interface

相似考题

1.When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)A. BlockingB. AutoC. DesirableD. OnE. TransparentF. Learning

2.Which one of the following answer choices below is true regarding the OSPF topology database?()A. All entries in the topology database will be included on each router.B. All routers in the same OSPF area will have one topology database.C. The Dijkstra algorithm is used in the creation of the topology database.D. LSA packets are used to update and maintain the topology database.

3.Which of the following are characteristics of OSPF areas?()A. Hierarchical OSPF networks need to be in one areaB. Multiple OSPF areas must connect to area 0C. Single area OSPF networks must be configured in area 1D. Areas can be assigned any number from 0 to 63535E. Area 0 is called the backbone areaF. Each OSPF area need to be configured with a loopback interface

4.Which three statements about OSPF areas are true?()A. Areas introduce a boundary on the link - state updates.B. Areas are logical definitions specific to any given router.C. All routers within an area have the exact link - state database.D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.E. The area designated router will always have a priority of 0.

更多“Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.() ”相关问题

  • 第1题：

    Which of the following IP addresses is a private IP address? Select all that apply.()

    A.12.0.0.1

    B.168.172.19.39

    C.172.20.14.36

    D.172.33.194.30

    E.192.168.42.34


    参考答案：C, E

  • 第2题：

    Which three statements about OSPF areas are true?（）

    • A、Areas introduce a boundary on the link - state updates.
    • B、Areas are  logical definitions specific to any given router.
    • C、All routers within an area have the exact link - state database.
    • D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
    • E、The area designated router will always  have a priority of 0.

    正确答案:A,C,D

  • 第3题：

    Which one of these statements is true of OSPF type 5 LSAs？ （）

    • A、 They are used to summarize area routes to other areas.
    • B、 They are used in not-so-stubby areas to propagate external routes.
    • C、 They are used to notify areas of the ASBR.
    • D、 They are flooded to all areas except stub areas （external route）.

    正确答案:D

  • 第4题：

    Which statement is true regarding the INTERSECT operator?（）

    • A、It ignores NULL values 
    • B、Reversing the order of the intersected tables alters the result 
    • C、The names of columns in all SELECT statements must be identical 
    • D、The number of columns and data types must be identical for all SELECT statements in the query 

    正确答案:D

  • 第5题：

    Which of the following are characteristics of OSPF areas?（）

    • A、Hierarchical OSPF networks need to be in one area
    • B、Multiple OSPF areas must connect to area 0
    • C、Single area OSPF networks must be configured in area 1
    • D、Areas can be assigned any number from 0 to 63535
    • E、Area 0 is called the backbone area
    • F、Each OSPF area need to be configured with a loopback interface

    正确答案:B,E

  • 第6题：

    Which one of the following answer choices below is true regarding the OSPF topology database?（）

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第7题：

    多选题
    Which of the following statements are true? (Indicate all such statements.)
    A

    τ(5) =τ(7)

    B

    τ(5) τ(7) =τ(35)

    C

    τ(5) + τ(7) =τ(12)


    正确答案： A,B
    解析：
    5和7均只有两个正除数，因此根据题干信息，A项正确；35有四个正除数，所以B项也是正确的；12有6个正除数，因此C项错误；选择A、B两项。

  • 第8题：

    单选题
    For Question 2, consider each of the choices separately and select all that apply.　 Which of the following can be inferred from the passage regarding research into the memory-altering drug?
    A

    It is currently applicable to many types of traumatic situations.

    B

    Research is ongoing, and the treatment remains controversial.

    C

    Our sense of self as well as our personal history is essentially static.


    正确答案： B
    解析：
    根据文段可知，many of the details of the treatment are still open to debate，we know only that research is ongoing, 因此只有B项是正确的。由第三句“the potential applications of the research are far more wide reaching and morally ambiguous”可知，新药物还没有付诸实际应用，A项不正确，而C项在文中没有涉及。

  • 第9题：

    多选题
    For Question 2, consider each of the choices separately and select all that apply.　 Which of the following statements about the portrait is supported by the passage?
    A

    The portrait is the subject of ongoing controversy.

    B

    The portrait was of a single unidentified woman.

    C

    The portrait’s model was smiling as the picture was painted.


    正确答案： B,C
    解析：
    本段主要谈及人们对于蒙娜丽莎这幅画的女主角的身份仍存在争议，因此选项A正确；专家们也对女主角的身份各执一词，因而其身份还无法确定，B项也是正确的。对于女主人公是否在画画时正在微笑，文章中没有提及，所以不选C项。

  • 第10题：

    多选题
    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）
    A

    All OSPF networks require the use of multiple areas

    B

    Multiple OSPF areas must connect to area 0

    C

    Single area OSPF networks must be configured in area 1

    D

    Areas can be assigned any number from 0 to 63535

    E

    Area 0 is called the backbone area

    F

    Each OSPF area need to be configured with a loopback interface


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    单选题
    The skulls and pelvic bones of some species of dinosaur share characteristics with the skulls and pelvic bones of all modern birds. Even though not all dinosaurs have these characteristics, there are scientists who claim that all animals that do have these characteristics are dinosaurs.　 If the statements above and the claim of the scientists are true, which of the following must also be true?
    A

    Birds share more characteristics with dinosaurs than they do with other animals.

    B

    Some ancient dinosaurs were indistinguishable from modern birds.

    C

    All animals whose skulls share the characteristics of those of modern birds also have pelvic bones that are similar to those of modern birds.

    D

    Modern birds are dinosaurs.

    E

    All dinosaurs are birds.


    正确答案： E
    解析：
    由文段可知，科学家根据一些恐龙的头盖骨和骨盆骨与所有现代鸟类的头盖骨和骨盆骨有许多相同特征，得出结论：所有具有这些特征的动物是恐龙，如果这个推理是正确的话，我们可以认为现代鸟类是恐龙，故本题选D项。

  • 第12题：

    单选题
    Which statement is true regarding the INTERSECT operator?（）
    A

    It ignores NULL values 

    B

    Reversing the order of the intersected tables alters the result 

    C

    The names of columns in all SELECT statements must be identical 

    D

    The number of columns and data types must be identical for all SELECT statements in the query 


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）

    • A、May have Ethernet as well as non-Ethernet interfaces
    • B、Traditionally used as a standalone device for inter-VLAN communication
    • C、Makes use of TCAMs
    • D、Uses subinterfaces to define trunks
    • E、Can use both Layer 2 and Layer 3 to make forwarding decisions
    • F、Allows the definition of Switched Virtual Interfaces（SVI）

    正确答案:A,B,D

  • 第14题：

    Which of the following characteristics are true assuming you are troubleshooting a networkcurrently enabled for VRRP？（Choose all that apply.）（）

    • A、The network is load balancing among different members of the VRRP group
    • B、The default hello timers are 1 second
    • C、The interface IP address is being used as the virtual IP address
    • D、There are several routers in the group simultaneously forwarding traffic for the group
    • E、It is a Cisco Proprietary protocol
    • F、The default hello timers are 3 seconds

    正确答案:B,C

  • 第15题：

    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）

    • A、All OSPF networks require the use of multiple areas
    • B、Multiple OSPF areas must connect to area 0
    • C、Single area OSPF networks must be configured in area 1
    • D、Areas can be assigned any number from 0 to 63535
    • E、Area 0 is called the backbone area
    • F、Each OSPF area need to be configured with a loopback interface

    正确答案:B,E

  • 第16题：

    Which of the following are TACACS+ characteristics？（Choose all that apply.）（）

    • A、Cisco proprietary
    • B、Standards-based protocol
    • C、Provides separate services for authentication， authorization， and accounting
    • D、Encrypts only the password
    • E、Uses UDP for a transport layer
    • F、Encrypts the entire packet

    正确答案:A,C,F

  • 第17题：

    Which of the following statements are true regarding Layer 3 switches？（Choose all that apply.）（）

    • A、A routed port does not run STP or DTP
    • B、A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2
    • C、An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2
    • D、An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active
    • E、An SVI port does not run 5TP or DTP
    • F、To create a trunk， an SVI can be logically divided into subinterfaces

    正确答案:A,B,D

  • 第18题：

    多选题
    Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
    A

    c=d

    B

    l and k are parallel

    C

    m and l are perpendicular


    正确答案： C,B
    解析：
    根据题目中的已知信息无法推断出各直线的关系，因此B、C均不正确；而由图示可知，c和d分别是a和b的补角，由于a=b，所以c=d，A项正确。

  • 第19题：

    多选题
    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）
    A

    May have Ethernet as well as non-Ethernet interfaces

    B

    Traditionally used as a standalone device for inter-VLAN communication

    C

    Makes use of TCAMs

    D

    Uses subinterfaces to define trunks

    E

    Can use both Layer 2 and Layer 3 to make forwarding decisions

    F

    Allows the definition of Switched Virtual Interfaces（SVI）


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    多选题
    Which of the following IP addresses is a private IP address? Select all that apply.（）
    A

    12.0.0.1

    B

    168.172.19.39

    C

    172.20.14.36

    D

    172.33.194.30

    E

    192.168.42.34


    正确答案： D,B
    解析： 暂无解析

  • 第21题：

    多选题
    Which of the following are characteristics of OSPF areas?（）
    A

    Hierarchical OSPF networks need to be in one area

    B

    Multiple OSPF areas must connect to area 0

    C

    Single area OSPF networks must be configured in area 1

    D

    Areas can be assigned any number from 0 to 63535

    E

    Area 0 is called the backbone area

    F

    Each OSPF area need to be configured with a loopback interface


    正确答案： C,F
    解析： 暂无解析

  • 第22题：

    单选题
    Which one of these statements is true of OSPF type 5 LSAs？ （）
    A

     They are used to summarize area routes to other areas.

    B

     They are used in not-so-stubby areas to propagate external routes.

    C

     They are used to notify areas of the ASBR.

    D

     They are flooded to all areas except stub areas （external route）.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    Which of the following are TACACS+ characteristics？（Choose all that apply.）（）
    A

    Cisco proprietary

    B

    Standards-based protocol

    C

    Provides separate services for authentication， authorization， and accounting

    D

    Encrypts only the password

    E

    Uses UDP for a transport layer

    F

    Encrypts the entire packet


    正确答案： A,C,F
    解析： 暂无解析

  • 第24题：

    单选题
    Which one of these statements is true of OSPF type 5 LSAs？（）
    A

    They are used to summarize area routes to other areas.

    B

    They are used in not-so-stubby areas to propagate external routes.

    C

    They are used to notify areas of the ASBR.

    D

    They are flooded to all areas except stub areas （external route）.


    正确答案： A
    解析： 暂无解析

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