Information Technology Reference
In-Depth Information
What is the ATT bit used for in IS-IS?
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a. Set by an L1 IS to indicate that it is connected to an external network
b. Set by an L1/L2 IS to indicate to L1 ISs that this L1/L2 IS is available for forwarding
traffic destined to routes unknown in the area
c. Set by an L2 IS to indicate that it is connected to an external network
d. Set by an L1/L2 IS to indicate to other L2 ISs that it is connected to multiple L1 areas
To where are OSPF Type 1 LSAs flooded?
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a. The OSPF area
b. The OSPF domain
c. From the area to the OSPF backbone
d. Through the virtual link
The DR forms adjacencies to which routers?
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a. Only to the BDR.
b. The BDR is adjacent to all, not the DR.
c. The DR forwards all LSAs.
d. To all routers in the multiaccess network.
In IS-IS, the BDIS forms adjacencies to which routers?
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a. Only to the DIS.
b. To all routers.
c. The BDIS only becomes adjacent when the DIS is down.
d. There is no BDIS in IS-IS.
What produces Type 2 LSAs?
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a. ABR
b. ASBR
c. DR
d. NSSA ASBR
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