Embedded systems always require the user to manipulate bits inregisters or variables. Given an integer variable a, write two code fragments.The first should set bit 5 of a. The second shnuld clear bit 5 of a. In bothcases, the remaining bits should be unmodified.
Embedded systems always require the user to manipulate bits in
registers or variables. Given an integer variable a, write two code fragments.
The first should set bit 5 of a. The second shnuld clear bit 5 of a. In both
cases, the remaining bits should be unmodified.
相关考题：
You need to write a code segment that transfers the first 80 bytes from a stream variable named stream1 into a new byte array named byteArray.You also need to ensure that the code segment assigns the number of bytes that are transferred to an integer variable named bytesTransferred.Which code segment should you use?（）A.bytesTransferred=stream1.Read（byteArray，0，80）；B.C.D.
You create a Web site that is for members only. The Web site allows members to create lists of users that have access to information about member profiles. The name of the list is stored in the listName variable. The user name of the user to whom access is given is stored in the username variable.You need to enable members to manage their lists of users.Which code segment should you use?（）A.B.C.D.
Which statement is correct regarding IPv6 addresses?() A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
Which of the following is the MOST likely default configuration for a serial port?() A. 8 Data bits, Odd Parity, 1 stop bitB. 8 Data bits, Even Parity, 2 stop bitsC. 8 Data bits, No Parity, 1.5 Stop bitsD. 8 Data bits, No Parity, 1 Stop bit
SONET Code Violations (CVs) totals in the PM tables are actually an accumulation of the number of (). A. J0 errors detected in a specified intervalB. errors detected in a given Errored Second (ES)C. errors detected in a given Severely Errored Second (SES)D. errors the encryption algorithm detects in a specified intervalE. Bit Interleaved Parity (BIP) errors detected in a specified interval
Which of the following is the MOST likely default configuration for a serial port?（）A、8 Data bits, Odd Parity, 1 stop bitB、8 Data bits, Even Parity, 2 stop bitsC、8 Data bits, No Parity, 1.5 Stop bitsD、8 Data bits, No Parity, 1 Stop bit
设信息速率为sbit106/s，则2ASK、2PSK信号的谱零点带宽分别为（）。A、106bits/s，2X106bit/sB、106bits/s，106bits/sC、2X106bit/s，106bits/sD、2X106bit/s，2X106bit/s
Which two QoS classification and marking statements are true？ （）A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.C、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.E、 The 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
Which two QoS classification and marking statements are true？（）A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP fieldC、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.E、 The 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）A、The PRI field should contain the Cos value of 010B、The PRI field should contain the Cos value of 011C、The PRI field should contain the Cos value of 100D、The PRI field should contain the Cos value of 101E、The PRI field should contain the Cos value of 110F、The PRI field should contain the CoS value of 111
Which three statements about classification marking of traffic at Layer 2 are true？ （）A、a Frame Relay header includes a 1-bit discard eligible （DE） bit to provide the class of service （CoS）B、an ATM header includes a 1-bit DE field to provide the CoSC、an MPLS EXP field is inserted in the Layer 3 IP precedence field to identify the CoSD、the CoS field only exists inside Ethernet frames when 802.1Q or Inter-Switch Link （ISL） trunking is usedE、in the IEEE 802.1p standard， three bits are used to identify the user priority bits for the CoSF、in the IEEE 802.1q standard， six bits are used to identify the user priority bits for the CoS
In computer networking a multicast address is an identifier for a group of hosts that have joined amulticast group. Multicast addressing can be used in the Link Layer （OSI Layer 2）， such as Ethernet Multicast， as well as at the Internet Layer （OSI Layer 3） as IPv4 or IPv6 Multicast. Whichtwo descriptions are correct regarding multicast addressing？（）A、The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast applicationB、The last 3 bytes （24 bits） of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast applicationC、To calculate the Layer 2 multicast address， the host maps the last 23 bits of the IP address intothe last 24 bits of the MAC address. The high-order bit is set to 0D、The first 3 bytes （24 bits） of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application
Which two statements about VPNv4 address are true？ （）A、The VPNv4 address is 128 bits long with a 128-bit long subnet maskB、The VPNv4 address consists of an RD and an IPv4 addressC、The VPNv4 address is 96 bits long with a 64-bit long subnet maskD、The VPNv4 address is 128 bits long with a 64-bit long subnet maskE、The VPNv4 address consists of an RT and an IPv4 addressF、The VPNv4 address is 96 bits long with a 32-bit long subnet mask
Which statement is correct regarding IPv6 addresses?（）A、An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B、An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C、An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D、An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
Pick the 4 valid ATM Cell Header fields：（）A、GFC-4 bits of generic flow controlB、Forward-explicit congestion notification（FECN）C、VCI-16 bits of virtual channel identifierD、CLP-1 bit of congestion lossE、HEC-8 bit of header error controlF、ATM Discard Eligibility（DE）bit
What is the MD5 algorithm used for？（）A、takes a fixed-length message and produces a 128-bit message digestB、takes a variable-length message and produces a 168-bit message digestC、takes a message less than 2^64 bits as input and produces a 160-bit message digestD、takes a variable-length message and produces a 128-bit message digest ActualTests.com
An administrator is configuring RAID 1 in a server. The administrator has been given two matching 80GB SATA-2 hard drives， two SATA-2 cables， and a SATA-2 RAID adapter. How should the administrator BEST configure these drives？（）A、Install one drive on the first channel and install the second drive on the second channel.B、Install one drive on the first cable， on the first channel. Install the second drive on the secondcable， on the second channel.C、Install both drives on the same channel. Cable both drives as the primary master on the samecable.D、Install both drives on the same channel. On the same cable one drive should be set as primaryslave and the other drive as the primary master.
You.create Windows.Forms.applications.by.using.the .NET Framework 3.5. You plan to use the Windows Installer to deploy a new application. The application must meet the following requirements： （1）Support deployment to 32bit and 64bit operating systems （2）Use the 64bit Program Files folder when deployed to 64bit platforms You need to ensure that the application is deployed appropriately. What should you do？（）A、Create a single MSI file.Add a launch condition that is set to Version NT64B、Create a single MSI file.Add a launch condition that is set to NOT Version NT64C、Create an MSI file that is targeted to 64bit platforms.Create an MSI file that is targeted to 32bit platformsD、Create a single MSI file.Create a merge module that contains the 32bit and 64bit code
单选题Which of the following is the MOST likely default configuration for a serial port?（）A8 Data bits, Odd Parity, 1 stop bitB8 Data bits, Even Parity, 2 stop bitsC8 Data bits, No Parity, 1.5 Stop bitsD8 Data bits, No Parity, 1 Stop bit
单选题What recommendation is given to the company?AIt should expand its assets.BIt should hire a foreign executive.CIt should increase its workforce.DIt should open an overseas subsidiary.
多选题Pick the 4 valid ATM Cell Header fields：（）AGFC-4 bits of generic flow controlBForward-explicit congestion notification（FECN）CVCI-16 bits of virtual channel identifierDCLP-1 bit of congestion lossEHEC-8 bit of header error controlFATM Discard Eligibility（DE）bit
单选题To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）AThe PRI field should contain the Cos value of 010BThe PRI field should contain the Cos value of 011CThe PRI field should contain the Cos value of 100DThe PRI field should contain the Cos value of 101EThe PRI field should contain the Cos value of 110FThe PRI field should contain the CoS value of 111
多选题Which two statements about VPNv4 address are true？ （）AThe VPNv4 address is 128 bits long with a 128-bit long subnet maskBThe VPNv4 address consists of an RD and an IPv4 addressCThe VPNv4 address is 96 bits long with a 64-bit long subnet maskDThe VPNv4 address is 128 bits long with a 64-bit long subnet maskEThe VPNv4 address consists of an RT and an IPv4 addressFThe VPNv4 address is 96 bits long with a 32-bit long subnet mask
多选题In computer networking a multicast address is an identifier for a group of hosts that have joined amulticast group. Multicast addressing can be used in the Link Layer （OSI Layer 2）， such as Ethernet Multicast， as well as at the Internet Layer （OSI Layer 3） as IPv4 or IPv6 Multicast. Whichtwo descriptions are correct regarding multicast addressing？（）AThe first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast applicationBThe last 3 bytes （24 bits） of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast applicationCTo calculate the Layer 2 multicast address， the host maps the last 23 bits of the IP address intothe last 24 bits of the MAC address. The high-order bit is set to 0DThe first 3 bytes （24 bits） of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application
多选题Which two QoS classification and marking statements are true？ （）AIn a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.BIn an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.CIn an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.DThe differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.EThe 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
单选题Which statement is correct regarding IPv6 addresses?（）AAn IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.BAn IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.CAn IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.DAn IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
多选题Which two QoS classification and marking statements are true？（）AIn a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.BIn an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP fieldCIn an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.DThe differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.EThe 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.