思科认证640-802模拟试卷1

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  • 卷面总分：0分
  • 试卷类型：模拟考试
  • 测试费用：免费
  • 答案解析：是
  • 练习次数：531次
  • 作答时间：40分钟
试卷简介

  • 1.单选题
  • 2.多选题
  • 3.不定项选择题
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1

Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
  • A．Create the VLAN.
  • B．Name the VLAN.
  • C．Configure an IP address for the VLAN.
  • D．Add the desired ports to the new VLAN.
  • E．Add the VLAN to the VTP domain.
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6

Ezonexam is using IP addressing according to RFC 1918. Which three address ranges are used for internal private address blocks as defined by RFC 1918?

(Choose all that apply)

A. 0.0.0.0 to 255.255.255

B. 10.0.0.0 to 10.255.255.255

C. 172.16.0.0 to 172.16.255.255

D. 172.16.0.0 to 172.31.255.255

E. 127.0.0.0. to 127.255.255.255

F. 192.168.0.0 to 192.168.255.255

G. 224.0.0.0 to 239.255.255.255
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1

Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0? (Select three)

A. 113.10.4.0

B. 186.54.3.0

C. 175.33.3.255

D. 26.35.2.255

E. 152.135.7.0

F. 17.35.36.0
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1

Which of the following services use TCP? (Choose three)

A. DHCP

B. SMTP

C. SNMP

D. FTP

E. HTTP

F. TFTP
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1

Which of the following are VLAN frame. encapsulation types that may be configured on a Catalyst switch? (Choose two.)

A. VTP

B. ISL

C. CDP

D. 802.1Q

E. 802.1p

F. LLC
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1

Which OSI layer header contains the address of a destination host that is on another network?

A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data link

G. Physical
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1

As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)
  • A．It enables equipment from different vendors to use the same electronic components, thus saving research and development funds
  • B．It encourages industry standardization by defining what functions occur at each layer of the model
  • C．It divides the network communication process into smaller and simpler components; thus aiding component development, design and troubleshooting
  • D．It provides a means by which changes in functionality in one layer require changes in other layers
  • E．It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers
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6

A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?

A. Layer 1

B. Layer 2

C. Layer 3

D. Layer 4

E. Layer 5

F. Layer 6

E. Layer 7
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1

Which one of the following protocols allows the information about the configuration of a new VLAN to be distributed across entire switched network?

A. STP

B. VTP

C. EIGRP

D. SNMP

E. CDP

F. None of the above
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1

In the Ezonexam switched LAN environment, what does the IEEE 802.1Q standard describe?

A. VLAN pruning

B. A method of VLAN trunking

C. An approach to wireless LAN communication

D. The operation of VTP

E. The process for root bridge selection

F. None of the above
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