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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 get to IP prefixed 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 prefixed into area 49.0001 using a Level 2 LSP it floods into the area.
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更多 “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 get to IP prefixed 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 prefixed into area 49.0001 using a Level 2 LSP it floods into the area.” 相关考题
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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
By default, an L1／L2 IS－IS router advertises what remote area routes into a Level 1 area?()
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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
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Which two conditions, when met, allow an IS－IS Level 2 router to be considered attached?()
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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.
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Refer to the exhibit. What three statements are true about the IS － IS configuration?()
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What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）A、ATT（Attached）bitB、IS-Type bitsC、P（Partition）bitD、Down bitE、PN（Pseudonode）biyF、ABR（Area Border Rorter）bit
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考题
ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A、TrueB、False
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
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 prefixed 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 prefixed into area 49.0001 using a Level 2 LSP it floods into the area.
考题
By default, an L1/L2 IS-IS router advertises what remote area routes into a Level 1 area?（）A、only summarized routesB、all routes in the networkC、all routes in the backboneD、No routes are advertised.
考题
Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）A、the router with the lowest priorityB、the router with the highest priorityC、the router with the highest System IDD、the router with the highest IP address
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An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is 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
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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
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Which two conditions, when met, allow an IS-IS Level 2 router to be considered attached?（）A、You can reach other Level 2 routers.B、It can reach at least one other defined area.C、The router is reachable by at least two ES-IS nodes.D、It has at least one enabled reachable prefix with a valid metric defined.
考题
单选题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）A
the router with the lowest priorityB
the router with the highest priorityC
the router with the highest System IDD
the router with the highest IP address
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
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单选题What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）A
ATT（Attached）bitB
IS-Type bitsC
P（Partition）bitD
Down bitE
PN（Pseudonode）biyF
ABR（Area Border Rorter）bit
考题
多选题Which two conditions, when met, allow an IS-IS Level 2 router to be considered attached?（）AYou can reach other Level 2 routers.BIt can reach at least one other defined area.CThe router is reachable by at least two ES-IS nodes.DIt has at least one enabled reachable prefix with a valid metric defined.
考题
单选题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is 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
单选题ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A
TrueB
False
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By default, an L1/L2 IS-IS router advertises what remote area routes into a Level 1 area?（）A
only summarized routesB
all routes in the networkC
all routes in the backboneD
No routes are advertised.
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