单选题In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）Athe DCC-EBthe DCC-MCthe DCC-RDthe Line DCCEthe Section DCC

题目
单选题
In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）
A

 the DCC-E

B

 the DCC-M

C

 the DCC-R

D

 the Line DCC

E

 the Section DCC

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更多“In SDH， what is the name of the embedded Data Communication ”相关问题

  • 第1题：

    下面哪些句子可以表示"您贵姓?"()

    A、What's your last name?

    B、What's your family name?

    C、What's your name?

    D、What's your first name?


    参考答案：AB

  • 第2题：

    Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?()

    A. VTP

    B. ISL

    C. 802.1Q

    D. STP

    E. None of the above


    参考答案：D

  • 第3题：

    The data（ ）includes the function of updating data on a database， and retrieving data from a database.


    A. management
    B. storage
    C. analysis
    D. communication


    答案：A
    解析：
    数据管理包括更新数据库中的数据，从数据库中检索数据等功能。

  • 第4题：

    1850 TSS-320数据业务的传送方式有（）

    • A、数据到数据的交换（Pure Data Switching）
    • B、SDH承载数据（Data over SDH）
    • C、波分承载数据（Data ove rWDM）

    正确答案:A,B,C

  • 第5题：

    Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?（）

    • A、VTP
    • B、ISL
    • C、802.1Q
    • D、STP
    • E、None of the above

    正确答案:D

  • 第6题：

    An automotive supplier maintains CAD workstations in widely separated plant locations， and these locations are interconnected by single 1.5Mb/second communication lines.  A consultant has been asked to provide a solution that will allow back-ups to be centralized in one location and improve data recovery times.  Which TWO questions should the consultant ask first to determine the best solution？（）

    • A、In what format are the CAD documents？
    • B、How much data needs to be backed up from each remote site？
    • C、What are the current acceptable windows for back up and restore？
    • D、Are the plants within line-of-sight to enable wireless communication？
    • E、Can the communication lines cost-effectively be upgraded to a higher level of service？

    正确答案:B,C

  • 第7题：

    You created a snapshot of the /data2 filesystem as follows：   # fssnap -F ufs -o bs=/data2/snap /data2   But， the system responds with the following error： snapshot error： Invalid backing file path   What is the problem？ （）

    • A、 The /data filesystem does not exist.
    • B、 This message indicates that the /data2/snap directory does not exist.
    • C、 The name of the Backing Store is incorrect， it should be /dev/fssnap/0
    • D、 This message indicates that you cannot have the backing store file on the same filesystem as the filesystem being snapped.

    正确答案:D

  • 第8题：

    You perform a security audit of a server named DC1. You install the Microsoft Network Monitor 3.0 application on DC1. You plan to capture all the LDAP traffic that comes to and goes from the server between 20：00 and 07：00 the next day and save it to the e：/data.cap file. You create a scheduled task. You add a new Start a program action to the task. You need to add the application name and the application arguments to the new action. What should you do？（） 

    • A、 Add nmcap.exe as the application name. Add the /networks * /capture LDAP /file e：/data.cap / stopwhen /timeafter 11hours line as arguments
    • B、 Add netmon.exe as the application name. Add the /networks */capture LDA /file e：/data.cap /stopwhen / T.imeafter 11hours line as arguments
    • C、 Add nmcap.exe as the application name. Add the /networks * /capture !LDAP /file e：/data.cap /stopwhen /timeafter 11hours line as arguments
    • D、 Add nmconfig.exe as the application name. Add the /networks */capture &LDAP /file e：/data.cap / stopwhen /timeafter 11hours line as arguments

    正确答案:A

  • 第9题：

    单选题
    when a user clicks a link in the left frame of the Review application, the linked data displays in the frame on the right. What did Kristin to do allow this to happen?（）
    A

    entered the name of the target frame in hotspot properties

    B

    entered the name of the target in frameset properties

    C

    entered the position of the target frame in frame properties

    D

    entered the position of target frame in hotspot properties. a name other than location


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    What is a static packet-filtering firewall used for ？（）
    A

    It validates the fact that a packet is either a connection request or a data packet belonging to a connection

    B

    It evaluates network packets for valid data at the application layer before allowing connections

    C

    It analyzes network traffic at the network and transport protocol layers

    D

    It keeps track of the actual communication process through the use of a state table


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Note the output of the following query；   SQL> SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1   You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table：   ALTER TABLE exchange_rate FLASHBACK ARCHIEVE；   What is the outcome of this command？（）
    A

     The table uses the default Flashback Data Archive.

    B

     The Flashback Data Archive Is created In the SYSAUX tablespace.

    C

     The Flashback Data Archive is created in the same tablespace where the tables are stored.

    D

     The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）
    A

     Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.

    B

     Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.

    C

     Set the Emit Default Value property of each data member to false.

    D

     Set the Is Required property of each data member to true.


    正确答案： A
    解析： 暂无解析

  • 第13题：

    In data communication, data link is those parts of two data terminal equipments that are controlled by a protocol along with the(71) data circuit, which together enable data(72). So-called protocol means, in short, a set of rules that determines the behavior. of functional units in achieving communication.Data circuit, however, consists of a pair of(73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of(74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment(75) to a DCE at the data switching exchange or dam concentrator location.

    A．handshaking

    B．interconnecting

    C．linkage

    D．joining


    正确答案：B

  • 第14题：

    The data（ ）includes the function of updating data on a database，and retrieving data from a database.

    A.management
    B.storage
    C.analysis
    D.communication

    答案：A
    解析：
    数据管理包括更新数据库中的数据，从数据库中检索数据等功能。

  • 第15题：

    What is a static packet-filtering firewall used for ？（）

    • A、It validates the fact that a packet is either a connection request or a data packet belonging to a connection
    • B、It evaluates network packets for valid data at the application layer before allowing connections
    • C、It analyzes network traffic at the network and transport protocol layers
    • D、It keeps track of the actual communication process through the use of a state table

    正确答案:C

  • 第16题：

    要查询user_name为“tutu”且是2003年1月日前注册的用户，请问用哪条语句（）

    • A、Select*formusersWhereuser_name=tutuAndsubmit_data<#2003-1-1#
    • B、Select*formusersWhereuser_name="tutu"Andsubmit_data<2003-1-1
    • C、Select*formusersWhereuser_name="tutu"Andsubmit_data<#2003-1-1#
    • D、Select*formusersWhereuser_name="tutu"Orsubmit_data<#2003-1-1#

    正确答案:C

  • 第17题：

    In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）

    • A、 the DCC-E
    • B、 the DCC-M
    • C、 the DCC-R
    • D、 the Line DCC
    • E、 the Section DCC

    正确答案:C

  • 第18题：

    A small bio-technical company is interested in implementing a 32-node Linux cluster.They have developed their own software that allows all of the nodes to work on the same problem at the same time.The application requires messages to be passed between the nodes.Each node will require access to a shared storage pool of around 500GB. To identify the inter-process communication （IPC） networking requirements， which of the following is the most appropriate question to ask？（）

    • A、Is the network capable of using 4x or 12x infiniband？
    • B、Will remote shell （rsh） be enabled for remote process initiation？
    • C、What are the data transfer requirements for inter-node message passing？
    • D、What type of data is being sent across the inter-process communication network？

    正确答案:C

  • 第19题：

    Note the output of the following query；   SQL> SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1   You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table：   ALTER TABLE exchange_rate FLASHBACK ARCHIEVE；   What is the outcome of this command？（）  

    • A、 The table uses the default Flashback Data Archive.
    • B、 The Flashback Data Archive Is created In the SYSAUX tablespace.
    • C、 The Flashback Data Archive is created in the same tablespace where the tables are stored.
    • D、 The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.

    正确答案:A

  • 第20题：

    Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）

    • A、 Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.
    • B、 Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.
    • C、 Set the Emit Default Value property of each data member to false.
    • D、 Set the Is Required property of each data member to true.

    正确答案:D

  • 第21题：

    多选题
    An automotive supplier maintains CAD workstations in widely separated plant locations， and these locations are interconnected by single 1.5Mb/second communication lines.  A consultant has been asked to provide a solution that will allow back-ups to be centralized in one location and improve data recovery times.  Which TWO questions should the consultant ask first to determine the best solution？（）
    A

    In what format are the CAD documents？

    B

    How much data needs to be backed up from each remote site？

    C

    What are the current acceptable windows for back up and restore？

    D

    Are the plants within line-of-sight to enable wireless communication？

    E

    Can the communication lines cost-effectively be upgraded to a higher level of service？


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    单选题
    Which options must you configure while performing an automated Tablespace Point-in-Time Recovery (TSPITR) by using Recovery Manager (RMAN)?（）
    A

    New channels for restore and recovery tasks

    B

    New name for the data files of the tablespace

    C

    Auxiliary name for the data files of the tablespace

    D

    Auxiliary destinations for an auxiliary set of data files


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    A Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a SerializationException if any of the data members are not present when a serialized instance of the data contract is deserialized.What should you do?（）
    A

    Add the KnownType attribute to the data contract. Set a default value in each of the data member declarations.

    B

    Add the KnownType attribute to the data contract. Set the Order property of each data member to unique integer value.

    C

    Set the EmitDefaultValue property of each data member to false.

    D

    Set the lsRequired property of each data member to true.


    正确答案： C
    解析： 暂无解析

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