A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?() A. Data, Frame, Packet, Segment, BitB. Data, Frame, Segment, Packet, BitC. Data, Packet, Frame, Segment, BitD. Data, Packet, Segment, Frame, BitE. Data, Segment, Frame, Packet, BitF. Data, Segment, Packet, Frame, Bit
A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?()
A. Data, Frame, Packet, Segment, Bit
B. Data, Frame, Segment, Packet, Bit
C. Data, Packet, Frame, Segment, Bit
D. Data, Packet, Segment, Frame, Bit
E. Data, Segment, Frame, Packet, Bit
F. Data, Segment, Packet, Frame, Bit
相关考题：
Which of the following is not among the basic features of a relational database?A．It does not matter what order the rows are in.B．It does not matter what order the columns are in.C．Different columns should have different column names.D．Different columns should have different data types.
从供选择的答案中选出应填入英语文句中()的正确的答案。PCs originated as stand-alone (A), however, in recent years many have been (B) to Local Area Networks (LANs). In a LAN, the data and usually the user application reside on the File Server, a PC running a special Network Operating System (NOS) such as Novell's NetWare or Microsoft's LAN Manager. The File Server manages the LAN users' shared access to data on its hard (C) and frequently provides access to other shared resources, such as printers. While a LAN enables users of PC-based databases to share (D) data files, it doesn't significantly change how the DBMS works; all the actual data (E) is still performed on the PC running the database application.A～E: ① calculating ② common ③ connected ④ disks⑤ displayed ⑥ systems ⑦ primers ⑧ processing⑨ some ⑩ workstations
You are developing a client that sends several types of SOAP messages to a Windows Communication Foundation (WCF) service method named PostData. PostData is currently defined as follows:[OperationContract]void PostData(Order data);You need to modify PostData so that it can receive any SOAP message. Which code segment should you use？（）A. [OperationContract(IsOneWay=true, Action=*, ReplyAction=*)] void PostData(Order data);B. [OperationContract(IsOneWay=true, Action=*, ReplyAction = *)] void PostData(BodyWriter data);C. [OperationContract] void PostData(BodyWriter data);D. [OperationContract] void PostData(Message data);
Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that "always-on" broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.A．allowB．preventC．inviteD．get
A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?() A.NATB.IDSC.NMAPD.DMZ
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 informationB. Data link layer adds physical source destination address an FCS to the segmentC. Packets are created when the network layer encapsulate a frame with source destination host address protocol related control informationD. Packets are created when the network layers adds layers 3 address control information to a segmentE. The presentation layer translated bits into bits into voltages for transmission across the physical link
Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?() A. It ensures that data is retransmitted if an acknowledgment is not received.B. It reassembles segments in the correct order on the destination device.C. It provides a mechanism for the receiver to control the transmission speed.D. It regulates the size of each datagram segment.E. All of the above are functions of flow control
A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?() A. Drop the data.B. Send the data frames to the default gateway.C. Create an ARP request to get a MAC address for the receiving host.D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.
You are the network administrator of an enterprise with a main site and multiple remote sites. Your network carries both VOIP and data traffic. You agree with your service provider to classify VOIP and data traffic according to the different service RFCs. How can your data and VOIP traffic be marked？（）A、data marked with DSCP AF21，VOIP marked with DSCP EFB、data marked with DSCP AF51，VOIP marked with DSCP EFC、data marked with the DE-bit，VOIP marked with the CLP-bitD、data marked with DSCP EF，VOIP marked with DSCP AF31E、data marked with IP precedence 5 VOIP marked with DSCP EF
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 informationB、Data link layer adds physical source destination address an FCS to the segmentC、Packets are created when the network layer encapsulate a frame with source destination host address protocol related control informationD、Packets are created when the network layers adds layers 3 address control information to a segmentE、The presentation layer translated bits into bits into voltages for transmission across the physical link
Which two statements correctly describe the relation between a data file and the logical databasestructures（）A、An extent cannot spread across data files.B、A segment cannot spread across data files.C、A data file can belong to only one tablespace.D、A data file can have only one segment created in it.E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
Which description about asymmetric encryption algorithms is correct？（）A、They use the same key for encryption and decryption of data.B、They use different keys for decryption but the same key for encryption of data.C、They use different keys for encryption and decryption of data.D、They use the same key for decryption but different keys for encryption of data.
A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?（）A、Data, Frame, Packet, Segment, BitB、Data, Frame, Segment, Packet, BitC、Data, Packet, Frame, Segment, BitD、Data, Packet, Segment, Frame, BitE、Data, Segment, Frame, Packet, BitF、Data, Segment, Packet, Frame, Bit
The Lightweight Access Point Protocol （LWAPP） is in use within the Company wireless network. Which two statements correctly describe features of this protocol？ （）A、 Control traffic between an access point and a controller is encrypted within LWAPP.B、 Data traffic between an access point and a controller is encrypted within LWAPP.C、 Layer 3 mode packets are transmitted in TCP frames.D、 Data traffic between an access point and a controller is encapsulated within LWAPP.E、 VLAN tagging and QoS markings are applied at the access point.
Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?（）A、It ensures that data is retransmitted if an acknowledgment is not received.B、It reassembles segments in the correct order on the destination device.C、It provides a mechanism for the receiver to control the transmission speed.D、It regulates the size of each datagram segment.E、All of the above are functions of flow control
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A、 tprofB、 iostatC、 svmonD、 filemon
You are developing a client that sends several types of SOAP messages to a Windows Communication Foundation (WCF) service method named PostData. PostData is currently defined as follows:[OperationContract]void PostData(Order data);You need to modify PostData so that it can receive any SOAP message. Which code segment should you use？（）A、[OperationContract(IsOneWay=true, Action="*", ReplyAction="*")] void PostData(Order data);B、[OperationContract(IsOneWay=true, Action="*", ReplyAction = "*")] void PostData(BodyWriter data);C、[OperationContract] void PostData(BodyWriter data);D、[OperationContract] void PostData(Message data);
多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）ATransport layer divides a data stream into segments adds reliability flow control informationBData link layer adds physical source destination address an FCS to the segmentCPackets are created when the network layer encapsulate a frame with source destination host address protocol related control informationDPackets are created when the network layers adds layers 3 address control information to a segmentEThe presentation layer translated bits into bits into voltages for transmission across the physical link
单选题In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A tprofB iostatC svmonD filemon
单选题A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?（）ADrop the data.BSend the data frames to the default gateway.CCreate an ARP request to get a MAC address for the receiving host.DSend a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.
单选题A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?（）ANATBIDSCNMAPDDMZ
多选题Which two statements correctly describe the relation between a data file and the logical databasestructures（）AAn extent cannot spread across data files.BA segment cannot spread across data files.CA data file can belong to only one tablespace.DA data file can have only one segment created in it.EA data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）AThe transport layer divides a data stream into segments and may add reliability and flow control information.BThe data link layer adds physical source and destination addresses and an FCS to the segment.CPackets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.DPackets are created when the network layer adds Layer 3 addresses and control information to a segment.EThe presentation layer translates bits into voltages for transmission across the physical link.
单选题You issued the following command： ALTER TABLE SCOTT.EMP SHRINK SPACE； The SCOTT.EMP table is stored in the DATA1 tablespace that has the following properties： DATA1 is a read/write tablespace. DATA1 is not autoextensible to an unlimited size. DATA1 is online. Segment space management for the DATA1 tablespace is manual. You issued the ALTER TABLE SCOTT.EMP SHRINK SPACE； command that generates the following error： ORA-10635： Invalid segment or tablespace type What could be the reason for the failure of the command？（）A The tablespace， DATA1， is not read-only.B The tablespace， DATA1， is not autoextensible.C The tablespace， DATA1， is not offline.D The segment space management for the tablespace， DATA1， is manual.
单选题A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?（）AData, Frame, Packet, Segment, BitBData, Frame, Segment, Packet, BitCData, Packet, Frame, Segment, BitDData, Packet, Segment, Frame, BitEData, Segment, Frame, Packet, BitFData, Segment, Packet, Frame, Bit
单选题Which description about asymmetric encryption algorithms is correct？（）AThey use the same key for encryption and decryption of data.BThey use different keys for decryption but the same key for encryption of data.CThey use different keys for encryption and decryption of data.DThey use the same key for decryption but different keys for encryption of data.
单选题Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?（）AIt ensures that data is retransmitted if an acknowledgment is not received.BIt reassembles segments in the correct order on the destination device.CIt provides a mechanism for the receiver to control the transmission speed.DIt regulates the size of each datagram segment.EAll of the above are functions of flow control