搜题

【单选题】

（）is a high layer of cloud in the front of small flakes or cauhflower,white in colour with no dark shadows in between.

A、Cirrostratus

B、Cirrus

C、Cirrocumulus

D、Altostratus

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更多“（）is a high layer of cloud in the front of small flakes or cauhflower,white in colour with no dark shadows in between.”相关的问题

第1题

[单选题] When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）

A、The high temperature facilitates primary gravity separation B、Most of the oil and organic solvents are raised to the top layer C、The high the temperature is, the more the top oil will be collected D、The high temperature has little use on the separation of emulsified oil

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第2题

[单选题] How is a Thin Film filter fabricated?（）

A、The glass core is doped with an Erbium in periodic segments of the fiber. B、Layers of high index ?and low index ?material are deposited on a glass substrate. C、Thin layers of silica glass are placed onto wafers to produce a prism-like effect. D、Fiber is etched with an ultraviolet laser that is precisely spaced for specific wavelength filtering.

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第3题

[单选题] Which of the following layers of the OSI model is the presentation layer?（）

A、Layer 1 B、Layer 5 C、Layer 6 D、Layer 7

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第4题

[单选题] Which of the following layers is associated with the physical hardware address of a network node?（）

A、Layer 1 B、Layer 2 C、Layer 6 D、Layer 7

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第5题

[单选题] At which of the following OSI model layers is HTTPS encryption performed?（）

A、Layer 3 B、Layer 5 C、Layer 6 D、Layer 7

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第6题

[判断题] Of the four possible tune movements, high fall is used for statements and wh-questions; high rise is used for questions asking for repetition of something; low rise is for yes/no questions, etc. and fall rise is for corrections and polite contradictions.（）

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第7题

[多选题] Which two of these are advantages of placing the VPN device parallel to the firewall?（）

A、high scalability B、the design supports a layered security model C、firewall addressing does not need to change D、IPsec decrypted traffic is inspected by the firewall E、there is a centralized point for logging and content inspection

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第8题

[单选题] Which of the following is a characteristic of a data center core?（）

A、Server-to-server traffic always remains in the core layer. B、The recommended practice is for the core infrastructure to be in Layer 3. C、The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer. D、The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port. E、Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.

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第9题

[单选题] Which OSI layer is associated with the following: The acknowledgement of transmissions, sequencing, and flow control across a network?（）

A、Layer 2 B、Layer 3 C、Layer 4 D、Layer 5 E、Layer 6 F、Layer 7

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