Selective packet discard（SPD）operates in the following modes（）.A、normalB、selectC、randomD、discardE、full
Selective packet discard（SPD）operates in the following modes（）.
- A、normal
- B、select
- C、random
- D、discard
- E、full
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There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A‘s DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80.Which statement is true?（）A. Router A remains the DIS and generates a new pseudonode LSP for that LANB. Router A remains the DIS and NO new pseudonode LSP is generated for that LANC. Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router AD. Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A
How often are IS－IS Hello packets transmitted?() A. 3 seconds for DIS; 9 seconds for non-DISB. 9 seconds for DIS; 3 seconds for non-DISC. 10 seconds for DIS; 3 seconds for non-DISD. 10 seconds for all routers
What is periodically sent by a DIS on a LAN to ensure that all adjacent neighbors' IS － IS link － state databases are synchronized?() A. complete SNP (CSNP)B. partial SNP (PSNP)C. database queryD. database description packet (DDP)E. link - state summaryF. hello
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Man-in-the-Middle类攻击可细分为（）。A、Packet capturingB、Packet alterationC、Packet injectionD、Connection hijackingE、Packet insert
在由RGB转为CMKY时，蓝色R150G180B255分色后变为C36%MY0%，颜色较为暗淡，下列方案中较好的是（）。A、使用Selective Color调节把C下调10%B、使用Selective Color调节把M下调10%C、使用Selective Color调节把Y下调10%D、使用Selective Color调节把K下调10%
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How often are IS-IS Hello packets transmitted?（）A、3 seconds for DIS; 9 seconds for non-DISB、9 seconds for DIS; 3 seconds for non-DISC、10 seconds for DIS; 3 seconds for non-DISD、10 seconds for all routers
单选题How often are IS-IS Hello packets transmitted?（）A3 seconds for DIS; 9 seconds for non-DISB9 seconds for DIS; 3 seconds for non-DISC10 seconds for DIS; 3 seconds for non-DISD10 seconds for all routers
单选题What is periodically sent by a DIS on a LAN to ensure that all adjacent neighbors' IS - IS link - state databases are synchronized?（）Acomplete SNP (CSNP)Bpartial SNP (PSNP)Cdatabase queryDdatabase description packet (DDP)Elink - state summaryFhello
多选题Selective packet discard（SPD）operates in the following modes（）.AnormalBselectCrandomDdiscardEfull
单选题There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）ARouter A remains the DIS and generates a new pseudonode LSP for that LANBRouter A remains the DIS and NO new pseudonode LSP is generated for that LANCRouter D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router ADRouter D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A
多选题Which two statements regarding the IS-IS DIS election process are true？ （）AA priority of 0 will prevent a router from becoming a DIS.BIf the DIS becomes unavailable the backup DIS is promoted to DIS.CAdding a router with a higher priority than the current DIS will result in the new router becoming DIS.DSeparate L1 and L2 election processes are held on a brodcast network.EL1 routers on a broadcast network only establish adjacencies with the DIS.FIf there is a tie based on priority，the router whose attached interface has the lowest MAC address becomes the DIS.
单选题在由RGB转为CMKY时，蓝色R150G180B255分色后变为C36%MY0%，颜色较为暗淡，下列方案中较好的是（）。A使用Selective Color调节把C下调10%B使用Selective Color调节把M下调10%C使用Selective Color调节把Y下调10%D使用Selective Color调节把K下调10%