Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?() A. source addressB. optionsC. sequence numberD. sourcesE. destination portF. checksum
Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?()
A. source address
B. options
C. sequence number
D. sources
E. destination port
F. checksum
相关考题：
ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets? (Choose two)A. They acknowledge receipt of TCP segments.B. They guarantee datagram delivery.C. They can provide hosts with information about network problems.D. They are encapsulated within IP datagrams.E. They are encapsulated within UDP datagrams.F. They are encapsulated within TCP datagrams.
关于数据封装的顺序()是正确的。 A.DatA.segments-packets-frames-bitsB.DatA.packets-segments-frames-bitsC.DatA.frames-segments-packets-bitsD.DatA.segments-frames-packets-bits
What has Ron Evans promised to do?A. Sign an agreementB. Buy the product from grocery chainsC. Sell the product to various outletsD. Introduce market segments
Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）A、source addressB、optionsC、sequence numberD、sourcesE、destination portF、checksum
How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）A、These attacks send multiple FIN segments forcing TCP connection release.B、These attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.C、These attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.D、These attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.E、These attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.
What statements are true regarding ICMP packets?（）A、They acknowledge receipt of TCP segments.B、They guarantee datagram delivery.C、They can provide hosts with information about network problems.D、They are encapsulated within IP datagrams.E、They are encapsulated within UDP datagrams.
What is the purpose of a zone in JUNOS Software？（）A、A zone defines a group of security devices with a common management.B、A zone defines the geographic region in which the security device is deployed.C、A zone defines a group of network segments with similar security requirements.D、A zone defines a group of network segments with similar class-of-service requirements.
You executed the following command to create a tablespace called SALES_DATA： SQL CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace（）A、The database automatically determines the extent-sizing policy for the tablespace.B、The segments are automatically shrunk when the contents are removed from them.C、The allocation of extents within the tablespace is managed through the dictionary tables.D、The space utilization description of the data blocks in segments is recorded in bitmap blocks.E、The space utilization description of the data blocks in segments is managed through free lists.
Which two statements are true regarding a tablespace（）A、It can span multiple databases.B、It can consist of multiple data files.C、It can contain blocks of different sizes.D、It can contain segments of different sizes.E、It can contain a part of a nonpartitioned segment.
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（） A、It would return information regarding only the last committed transaction.B、It would return only the active transactions in all the undo segments in the database.C、It would return only the committed transactions in all the undo segments in the database.D、It would return both active and committed transactions in all the undo segments in the database.E、It would return information regarding the transactions that began and were committed in the last 30 minutes.
Your network consists of two subnets named Subnet1 and Subnet2. You have a server named Server1 that runs Windows Sever 2003 Service Pack 2 (SP2). Server1 is located on Subnet1. Users from Subnet1 report poor performance when they connect to Server1. Users from Subnet2 report that they are unable to connect to Server1.You monitor both network segments and discover a large number of NetBIOS broadcasts on both network segments.You need to reduce the number of broadcasts on the network. What should you deploy?（）A、a DHCP Relay Agent B、a WINS server C、Connection Point Services (CPS) D、Simple TCP/IP Services on all computers
You are configuring services to be discoverable. The services must be discoverable without relying on a central server. Client applications that consume the services are on a network segment that is separate from the network segment that the services are located on.A firewall blocks all TCP ports between the two network segments, but allows other protocols to pass through.You need to ensure that the client applications can discover the services. What should you do?（）A、Use ad-hoc discovery mode over HTTP.B、Use ad-hoc discovery mode over UDP.C、Use managed discovery mode over HTTP.D、Use managed discovery mode over UDP.
Your network consists of a single Active Directory site that includes two network segments. Thenetwork segments connect by using a router that is RFC 1542 compliant. You plan to use Windows Deployment Services （WDS） to deploy Windows Server 2008 R2 servers. All new servers support Pre-Boot Execution Environment （PXE）. You need to design a deployment strategy to meet the following requirements： èSupport Windows Server？2008 R2 èDeploy the servers by using WDS in both network segments èMinimize the number of servers used to support WDS What should you include in your design？（） A、Deploy one server. Install WDS and DHCP on the server. Configure the IP Helper tables on therouterbetween the network segments.B、Deploy two servers. Install WDS and DHCP on both servers. Place one server on each of the network segments. Configure both servers to support DHCP option 60.C、Deploy two servers. Install WDS and DHCP on both servers. Place one server on each of the network segments. Configure both servers to support DHCP option 252.D、Deploy two servers. Install WDS and DHCP on one server. Install DHCP on the other server. Place one server on each of the network segments. Configure both servers to support DHCP option60.
Your network consists of two subnets named Subnet1 and Subnet2. You have a server named Server1 that runs Windows Sever 2003 Service Pack 2 (SP2). Server1 is located on Subnet1. Users from Subnet1 report poor performance when they connect to Server1. Users from Subnet2 report that they are unable to connect to Server1. You monitor both network segments and discover a large number of NetBIOS broadcasts on both network segments. You need to reduce the number of broadcasts on the network. What should you deploy?（） A、a DHCP Relay Agent.B、a WINS server.C、Connection Point Services （CPS）.D、Simple TCP/IP Services on all computers.
关于数据封装的顺序（）是正确的。A、DatA.segments-packets-frames-bitsB、B.Datpackets-segments-frames-bitsC、C.Datframes-segments-packets-bitsD、D.Datsegments-frames-packets-bits
单选题You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）ASegment Advisor BSQL Tuning Advisor CSQL Access Advisor DSegment Resource Estimation EAutomatic Database Diagnostic Monitor (ADDM)
单选题关于数据封装的顺序（）是正确的。ADatA.segments-packets-frames-bitsBB.Datpackets-segments-frames-bitsCC.Datframes-segments-packets-bitsDD.Datsegments-frames-packets-bits
单选题You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to（）。Aidentify the segments that you should shrinkBmodify the storage parameters for the tablespaceCautomatically shrink the segments with unused spaceDcheck the alerts generated for the tablespace that is running low on space
多选题What statements are true regarding ICMP packets?（）AThey acknowledge receipt of TCP segments.BThey guarantee datagram delivery.CThey can provide hosts with information about network problems.DThey are encapsulated within IP datagrams.EThey are encapsulated within UDP datagrams.
多选题What functions do routers perform in a network?（）APacket SwitchingBAccess Layer SecurityCPath Selection.DVLAN Membership Assignment.EBridging between LAN segments.FMicro-segmentation of Broadcast Domains.
单选题Your network consists of a single Active Directory domain and two network segments named Subnet1 and Subnet2.You deploy a server named Server1 that runs Routing and Remote Access. Server1 is configured as a router between the two network segments.You deploy a DHCP server on Subnet1. You configure a DHCP scope for each network segment.Client computers that run Windows XP Professional Service Pack 3 (SP3) are deployed on both network segments and are configured to receive IP configurations dynamically.You discover that all client computers on Subnet2 have Automatic Private IP Addressing (APIPA) addresses.You need to ensure that all client computers on Subnet2 receive their IP configurations from the DHCP server. What should you do in Routing and Remote Access?（）ADisable IP Routing. BCreate a static route. CEnable demand-dial routing. DEnable a DHCP Relay Agent.
单选题What is the purpose of a zone in JUNOS Software？（）AA zone defines a group of security devices with a common management.BA zone defines the geographic region in which the security device is deployed.CA zone defines a group of network segments with similar security requirements.DA zone defines a group of network segments with similar class-of-service requirements.
单选题How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）AThese attacks send multiple FIN segments forcing TCP connection release.BThese attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.CThese attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.DThese attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.EThese attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.
多选题You executed the following command to create a tablespace called SALES_DATA： CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace （）AThe database automatically determines the extent-sizing policy for the tablespace.BThe segments are automatically shrunk when the contents are removed from them.CThe allocation of extents within the tablespace is managed through the dictionary tables.DThe space utilization description of the data blocks in segments is recorded inbitmapblocks.EThe space utilization description of the data blocks in segments is managed through free lists.MANUAL
单选题You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（）AIt would return information regarding only the last committed transaction.BIt would return only the active transactions in all the undo segments in the database.CIt would return only the committed transactions in all the undo segments in the database.DIt would return both active and committed transactions in all the undo segments in the database.EIt would return information regarding the transactions that began and were committed in the last 30 minutes.
多选题Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）Asource addressBoptionsCsequence numberDsourcesEdestination portFchecksum
多选题Which two statements are true regarding a tablespace（）AIt can span multiple databases.BIt can consist of multiple data files.CIt can contain blocks of different sizes.DIt can contain segments of different sizes.EIt can contain a part of a nonpartitioned segment.