Which packet type is used to ackno wledge LSPs on point － to － point links and to request missing pieces of information in the IS － IS link －state database?() A. complete SNP (CSNP)B. partial SNP (PSNP)C. helloD. database queryE. database description packet (DDP)
Which packet type is used to ackno wledge LSPs on point － to － point links and to request missing pieces of information in the IS － IS link －state database?()
A. complete SNP (CSNP)
B. partial SNP (PSNP)
C. hello
D. database query
E. database description packet (DDP)
相关考题：
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What information does a router running a link-state protocol use to build and maintain its topological database？ （）A、 hello packetsB、 SAP messages sent by other routers C、 LSAs from other routersD、 beacons received on point-to-point linksE、 routing tables received from other link-state routersF、 TTL packets from designated routers
多选题While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）AEach router has an identical link state database.BExternal routes are imported into a separate link state database.CSyn chronization of link state databases is maintained via floodingo f LSAs.DInformation in the link state database is used to build a routing table by calculating a shortest-path tree.EBy default,link state databases are refreshede very 10 minutes in the absence of topology changes.
单选题Which CLI command is used to see the current OSPF link-state database?（）Ashow ospf databaseBshow ospf neighborCshow protocols ospfDshow ospf link-state
多选题Which three statements about RSTP are true？（）ARSTP significantly reduces topology reconverging time after a link failure.BRSTP expends the STP port roles by adding the alternate and backup roles.CRSTP port atates are blocking，discarding，learing，orforwarding.DRSTP also uses the STP proprsal-agreement sequence.ERSTP use the same timer-baseed processas STP on point-to-pointlinks.FRSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
多选题What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）ALSAs from other routersBBeacons received on point-to-point linksChello packetsDRouting tables received from neighborsESAP packets sent by other routersFTTL packets from exclusive routers
单选题In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）A/24B/30C/27D/26E/32
多选题What information does a router running a link-state protocol use to build and maintain its topological database?（）Ahello packetsBSAP messages sent by other routersCLSAs from other routersDbeacons received on point-to-point linksErouting tables received from other link-state routersFTTL packets from designated routers
多选题While troubleshooting some connectivity issues， you issue the "show ip ospf database" in order toexamine the link state database. Which three of the statements below are true regarding theOSPF link state database？（）AEach router has an identical link state databaseBExternal routes are imported into a separate link state databaseCSynchronization of link state databases is maintained via flooding of LSAsDInformation in the link state database is used to build a routing table by calculating a shortest-path treeEBy default， link state databases are refreshed every 10 minutes in the absence of topologychanges
单选题Which packet type is used to ackno wledge LSPs on point - to - point links and to request missing pieces of information in the IS - IS link -state database?（）Acomplete SNP (CSNP)Bpartial SNP (PSNP)ChelloDdatabase queryEdatabase description packet (DDP)
单选题OSPF选举DR、BDR时会使用如下的那些报文？（）。AHELLO报文（Hello Packet）BDD报文（Database Description Packet）CLSR报文（Link State Request Packet）DLSU报文（Link State Update Packet）
单选题Which statement describes the FIP function of the FCoE Initiation Protocol？ （）A It is required to establish the point-to-point FCoE links with the first switch in the path.B It is required to establish the point-to-point FCoE links with any switch across multiple Ethernet segments.C It is not used to build the FCoE links.D It is used to ensure lossless transport.