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单选题
In reference to the P1R3 show isis route output, which statement is true? （）
A
P1R1 is the exi t point out of the area for P1R3.
B
P1R1 is a level - 1 only IS - IS router.
C
P1R1 has been configured with a nondefault IS - IS metric.
D
P1R3 is a level - 2 only IS - IS router.
E
P1R3has been configured with a nondefault IS - IS metric.
F
P1R3 routing ta ble should contain i L2 entries.
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更多 “单选题In reference to the P1R3 show isis route output, which statement is true? （）A P1R1 is the exi t point out of the area for P1R3.B P1R1 is a level - 1 only IS - IS router.C P1R1 has been configured with a nondefault IS - IS metric.D P1R3 is a level - 2 only IS - IS router.E P1R3has been configured with a nondefault IS - IS metric.F P1R3 routing ta ble should contain i L2 entries.” 相关考题
考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A. Level 1 onlyB. Level 2 onlyC. Level 1 and Level 2D. Level 3 only
考题
Routers A and B are connected with a point-to-point OC-3 interface. Each router‘s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3
考题
A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches.Which of the following is true regarding the output that could be listed for this command?（）A. The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B. If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1‘s and ABR2‘s LSA for 10.100.0.0.C. If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D. None, because the Type 3 LSAs would exist only in the ABR‘s LSDBs.
考题
Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: Gateway of last resort is 1.1.1.1 to network 2.0.0.0.Whic h of the following is most likely to have caused this output to occur on R1?（）A. R1 has been configured with an ip default- network 2.0.0.0 command.B. R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C. R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D. Another router has been configured with an ip default - network 2.0.0.0 command.E. Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
考题
IS － IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS － IS?()
A. A generic HelloB. Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2C. Point - to - point Level 1, point - to - point Level 2, LAND. Point - to - point, LAN Level 1, LAN Level 2
考题
In reference to the P1R3 show isis route output, which statement is true? ()
A. P1R1 is the exi t point out of the area for P1R3.B. P1R1 is a level - 1 only IS - IS router.C. P1R1 has been configured with a nondefault IS - IS metric.D. P1R3 is a level - 2 only IS - IS router.E. P1R3has been configured with a nondefault IS - IS metric.F. P1R3 routing ta ble should contain i L2 entries.
考题
Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1?()
A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAsB. No redistributed routes can appear in Area 1, only summary routesC. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAsD. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs
考题
IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）A、A generic HelloB、Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2C、Point - to - point Level 1, point - to - point Level 2, LAND、Point - to - point, LAN Level 1, LAN Level 2
考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only
考题
Which statement is true about the frequency of OSPF LSA transmissions？（）A、 They are configured per OSPF area.B、 They are configured per virtual router.C、 They are configured per OSPF process.D、 They are configured per OSPF interface.
考题
关于ISIS路由协议下列哪些说法是正确的？（）A、在Level1/2的边界上不同area的路由器可以建立ISIS相邻关系B、在Level1中不同area的路由器可以建立ISIS相邻关系C、在Level2中不同area的路由器可以建立ISIS相邻关系D、Level1中不同的area可以通过Level2互相学习到路由信息
考题
In reference to the P1R3 show isis route output, which statement is true? （）A、P1R1 is the exi t point out of the area for P1R3.B、P1R1 is a level - 1 only IS - IS router.C、P1R1 has been configured with a nondefault IS - IS metric.D、P1R3 is a level - 2 only IS - IS router.E、P1R3has been configured with a nondefault IS - IS metric.F、P1R3 routing ta ble should contain i L2 entries.
考题
You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to get to IP prefixes in other areas?（）A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.D、The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
考题
There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）A、No routers are adjacent with each other.B、Only Router A and Router B are adjacent at Level 1.C、Only Router A and Router B are adjacent at Level 2.D、All three routers are adjacent with each other at Level 1.
考题
Which CLI command displays the IS-IS level used by each interface?（）A、show clns neighborB、show isis neighborC、show clns interfaceD、show isis interface
考题
Which two statements are true by default of a multilevel IS-IS network?（）A、Level 1 only routers see routes contained in their area.B、Level 1 routers route towards Level 2 routers due to the attached bit.C、Level 2 routers route towards Level 1 routers due to the attached bit.D、Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.
考题
单选题下列哪个命令可以实现将Ievel-2区域路由渗漏到Ievel-1区域（）A
import isis Ievel-2 into Ievel-1B
import-route isis level-2 into level-1C
adVertise isis Ievel-2 into lavel-1D
export isis Ievel-2into level-1
考题
单选题Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A
R1 has been configured with an ip default- network 2.0.0.0 command.B
R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C
R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D
Another router has been configured with an ip default - network 2.0.0.0 command.E
Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
考题
单选题You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to reach prefixes in other areas?（）A
Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.B
The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 2 LSP it floods into area 49.0001.C
The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.D
The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
考题
单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）A
No routers are adjacent with each other.B
Only Router A and Router B are adjacent at Level 1.C
Only Router A and Router B are adjacent at Level 2.D
All three routers are adjacent with each other at Level 1.
考题
单选题Which statement is true about the frequency of OSPF LSA transmissions？（）A
They are configured per OSPF area.B
They are configured per virtual router.C
They are configured per OSPF process.D
They are configured per OSPF interface.
考题
单选题A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）A
The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B
If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.C
If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D
None, because the Type 3 LSAs would exist only in the ABR's LSDBs.
考题
单选题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A
Level 1 onlyB
Level 2 onlyC
Level 1 and Level 2D
Level 3 only
考题
多选题Which two statements are true by default of a multilevel IS-IS network?（）ALevel 1 only routers see routes contained in their area.BLevel 1 routers route towards Level 2 routers due to the attached bit.CLevel 2 routers route towards Level 1 routers due to the attached bit.DLevel 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.
考题
单选题Which statement is true regarding synonyms?（）A
Synonyms can be created only for a table B
Synonyms are used to reference only those tables that are owned by another user C
A public synonym and a private synonym can exist with the same name for the same table D
The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid
考题
单选题IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）A
A generic HelloB
Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2C
Point - to - point Level 1, point - to - point Level 2, LAND
Point - to - point, LAN Level 1, LAN Level 2
考题
单选题Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）A
0B
1C
2D
3
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