搜题

【单选题】

Which layer in the OSI model is responsible for translating frames into bits?（）

A、Application Layer

B、Presentation Layer

C、Data Link Layer

D、Physical Layer

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更多“Which layer in the OSI model is responsible for translating frames into bits?（）”相关的问题

第1题

[单选题] In the OSI model, which of the following layers would be the cause of a session time-out while browsing the web?（）

A、Laye r2 B、Layer 3 C、Layer 5 D、Layer 7

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第2题

[单选题] In the 7-layer OSI model, which layer switching will take place?（）

A、Layer two B、Layer four C、Layer one D、Layer three

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第3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4题

[单选题] You are the Cisco Network Designer in Cisco.com. In your company site, a NAS is both physically and logically in the traffic path. The NAS identifies clients solely based on their MAC addresses. In which access mode has this NAS been configured to operate?（）

A、Layer 2 mode B、Layer 2 Edge mode C、Layer 3 mode D、Layer 3 In-Band mode

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第5题

[] Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?（）

A、A. Use default Layer 4 hash in core. B、B. Use default Layer 3 hash in distribution. C、C. Use default Layer 4 hash in distribution. D、D. Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.

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第6题

[] In the 7-layer OSI model, which layer switching will take place?（）

A、A.Layer one B、B.Layer two C、C.Layer three D、D.Layer four

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第7题

[] A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（） A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（）

A、A. Physical B、B. Data link C、C. Network layer D、D. Transport layer E、E. Application layer

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第8题

[单选题] You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?（）

A、NBAR examines data in Layers 1 and 4. B、NBAR examines data in Layers 3 and 4. C、NetFlow examines data in Layers 3 and 4. D、NBAR examines data in Layers 2 through 4.

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第9题

[单选题] Which layer in the TCP/IP model is responsible for delivering packets to their destination?（）

A、Application Layer B、Transport Layer C、Internet Layer D、Network Access Layer

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