单选题Which of the following is the correct signal flow for an analog multi-room audio system？（）A Source，Volume Control，Speaker，AmpB Source，Amp，Volume Control，SpeakerC Amp，Source，Volume Control，SpeakerD Speaker，Amp，Volume Control，Source

第1题：

第2题：

On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?（）

• A、Source Quench.
• B、Learning.
• C、Buffering.
• D、Windowing.
• E、Cut-Through.

正确答案:A,C,D

第3题：

A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）

• A、A new sound card
• B、A new speaker
• C、A BIOS update
• D、A hardware volume control

正确答案:D

第4题：

What is true of standard access control lists when applied to an interface to control inbound or outbound traffic？（）

• A、The best match of the ACL entries will be used for granularity of control.
• B、They use source IP information for matching operations.
• C、They use source and destination IP information for matching operations.
• D、They use source IP information along with protocol-type information for finer granularity of control.

正确答案:B

第5题：

Which of the following is the primary purpose of impedance matched volume control？（）

• A、Maintains proper speaker phase
• B、Protects the amplifier from damage
• C、Protects the digital systems from damage
• D、Amplifies the speaker signal

正确答案:B

第6题：

With a scalable volume group, where is the logical volume control information stored on the disk?（）

• A、In the ODM
• B、In the volume group descriptor area
• C、In the first 512 bytes of the logical device
• D、In the first block of the user data within the LV

正确答案:B

第7题：

Which command synchronizes or rebuilds the logical volume control block， the device configuration database， and the volume group descriptor areas on the physical volumes？（）

• A、syncvg rootvg
• B、synclvm rootvg
• C、varyonvg rootvg
• D、synclvodm rootvg

正确答案:D

第8题：

Where can a system administrator find information regarding configured physical volumes， volume groups， and logical volumes besides the Volume Group Descriptor Area （VGDA）？（）

• A、/etc/filesystems
• B、/etc/environment
• C、Object Data Manager （ODM）
• D、Logical Volume Control Block （LVCB）

正确答案:C

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第13题：

Which of the following correctly describe steps in the OSI data encapsulation process?（）

• A、The transport layer divides a data stream into segments and may add reliability and flow control information.
• B、The data link layer adds physical source and destination addresses and an FCS to the segment.
• C、Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
• D、Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
• E、The presentation layer translates bits into voltages for transmission across the physical link.

正确答案:A,D

第14题：

Which of the following correctly describe steps in the OSI data encapsulation process?（）

• A、Transport layer divides a data stream into segments & adds reliability & flow control information
• B、Data link layer adds physical source & destination address & an FCS to the segment
• C、Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information
• D、Packets are created when the network layers adds layers 3 address & control information to a segment
• E、The presentation layer translated bits into bits into voltages for transmission across the physical link

正确答案:A,D

第15题：

化学和容积控制系统﹝压水堆﹞ chemical and volume control system

正确答案:用于控制反应堆冷却剂中硼浓度和水质，维持反应堆冷却剂的容积以及连续净化反应堆冷却剂的系统。

第16题：

Which of the following is the correct signal flow for an analog multi-room audio system？（）

• A、Source，Volume Control，Speaker，Amp
• B、Source，Amp，Volume Control，Speaker
• C、Amp，Source，Volume Control，Speaker
• D、Speaker，Amp，Volume Control，Source

正确答案:B

第17题：

All of the following are attributes that can be specified when creating a logical volume EXCEPT:（）

• A、Number of logical partitions
• B、Disk where logical volume will reside
• C、Size of the logical volume control block
• D、Position of the logical volume on the disk

正确答案:C

第18题：

Which two components are created during configuration of space-efficient storage in an extent pool（）

• A、volume and virtual space
• B、background copy and target copy
• C、virtual space and repository space
• D、source volume and target volume

正确答案:C

第19题：

The TSO FCQUERY command displays available information about FlashCopy and other CopyServices relationships active on volumes. Which FlashCopy state should a volume be in todisplay the number of active FlashCopy relationships?（）

• A、Target and Primary
• B、Source or Target
• C、Target or Secondary
• D、Source and Secondary

正确答案:B

第20题：

In a Junos Pulse Access Control Service firewall enforcement configuration, what is the purpose of the source IP policy?（）

• A、to specify the destination addresses to which access is permitted
• B、to specify the source address permitted to access the resource
• C、to specify the services to which access is permitted
• D、to inform the enforcer to expect policy information from the Junos Pulse Access Control Service

正确答案:D

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