CMS专题

单选题Which statement describes how RSVP guarantees bandwidth reservations?（）A It polices each individual session to an explicit rate.B It does not police, but never allows link oversubscription.C It polices the aggregate rate of all sessions to an explicit

题目
单选题
Which statement describes how RSVP guarantees bandwidth reservations?（）
A

It polices each individual session to an explicit rate.

B

It does not police, but never allows link oversubscription.

C

It polices the aggregate rate of all sessions to an explicit rate.

D

It does not police, but limits the amount of reservable bandwidth.

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相似问题和答案

第1题：

Which two are characteristics of RSVP?()

A. RSVP itself provides bandwidth and delay guarantees.

B. For RSVP to be end-to-end, all devices must support RSVP.

C. RSVP reservations are maintained by a centralized reservations server.

D. An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.


参考答案：B, D

第2题：

Which statement describes VRRP object tracking?()

A.It monitors traffic flow and link utilization.

B.It ensures the best VRRP router is the virtual router master for the group.

C.It causes traffic to dynamically move to higher bandwidth links

D.It thwarts man-in-the-middle attacks.


参考答案：B

第3题：

Consider the following:Which statement best describes the meaning of the value for the key_len column?()

A.It shows the total size of the index row

B.It shows how many columns in the index are examined

C.It shows the number of characters indexed in the key

D.It shows how many bytes will be used from each index row


参考答案：D

第4题：

What is the purpose of the RSVP hello interval?（）

  • A、It is the size of the RSVP hello packet
  • B、It is how long it maintains RSVP neighbors
  • C、It is the length of time between RSVP hello packets
  • D、It is how long the router waits before declaring a router to be down

正确答案:C

第5题：

Which two of these parameters are used to determine a forwarding equivalence class？（）

  • A、IP prefix
  • B、Layer 2 circuit
  • C、RSVP request from CE for bandwidth reservation
  • D、BGP MED value

正确答案:A,B

第6题：

Refer to the exhibit.Which statement describes DLCI 17?()

A.DLCI 17 describes the ISDN circuit between R2 and R3.

B.DLCI 17 describes a PVC on R2.It cannot be used on R3 or R1.

C.DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.

D.DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.


参考答案：C

第7题：

Which of the following statements about a lesson plan is inappropriate?

A．It is a teaching guide.
B．It is a blueprint to be strictly followed.
C．It takes into account syllabus and students.
D．It describes in advance what and how to teach.

答案：B
解析：
考查教案的内涵。此题是问：下列关于教案的表述，哪个是不恰当的 A项意为“它是一项教学指导”；B项意为“它是一项必须严格遵照的计划”；C项意为“它需要考虑到教学大纲和学生”：D项意为“它事先描述了要教什么和怎么教”。A、C、D项分别体现了教案的性质、要求和内容．但教案只是一份教学计划．在实际过程中会因为一些突发状况而随时进行调整，所以B项说“需要严格遵照执行”是不准确的。故选B．

第8题：

Which of the following describes how DB2 9 stores an XML document if the XML Extender is not used?()

A.CLOB

B.BLOB

C.Hierarchically

D.Rows and columns


参考答案：C

第9题：

Which statement describes VRRP object tracking?（）

  • A、It monitors traffic flow and link utilization.
  • B、It ensures the best VRRP router is the virtual router master for the group.
  • C、It causes traffic to dynamically move to higher bandwidth links
  • D、It thwarts man-in-the-middle attacks.

正确答案:B

第10题：

Which statement describes how RSVP guarantees bandwidth reservations?（）

  • A、It polices each individual session to an explicit rate.
  • B、It does not police, but never allows link oversubscription.
  • C、It polices the aggregate rate of all sessions to an explicit rate.
  • D、It does not police, but limits the amount of reservable bandwidth.

正确答案:D

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