更多"What type of OSPF router is respons"的相关试题:
[单项选择]What OSPF command, when configured, will include all interfaces into area 0?（）
A. network 0.0.0.0 255.255.255.255 area 0
B. network 0.0.0.0 0.0.0.0 area 0
C. network 255.255.255.255 0.0.0.0 area 0
D. network all-interfaces area 0
[单项选择]What is a function of the OSPF Type 7 LSA?（）
A. It describes the reachability of routes in stub areas.
B. It describes the reachability of routes in totally-stubby areas.
C. It describes the reachability of routes in not-so-stubby areas.
D. It describes the reachability of routes in partially-stubby areas.
[单项选择]What is true regarding the OSPF Type 2 LSA?（）
A. The DR floods this to describe the local stub network segment.
B. The ABR floods this to describe the local stub network segment.
C. The DR floods this to describe the local transit network segment.
D. Each OSPF router floods this to describe its interfaces and metrics.
E. The DR and BDR flood this to describe the local transit network segment.
[单项选择]What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multi-access network?（）
A. 10
B. 40
C. 30
D. 20
[单项选择]Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）
A. I/O adapter
B. line module
C. shared memory fabric
D. switch route processor
[多项选择]What are three characteristics of the OSPF routing protocol? （）
A. It converges quickly.
B. OSPF is a classful routing protocol.
C. It uses cost to determine the best route.
D. It uses the DUAL algorithm to determine the best route.
E. OSPF routers send the complete routing table to all directly attached routers.
F. OSPF routers discover neighbors before exchanging routing information.
[单项选择]What is true when designing OSPF import routing policy in JUNOS software?（）
A. Import policies are not possible.
B. Import policies only match on external routes.
C. Import policies only match on internal routes.
D. Import policies can cause inconsistent link state databases.
[多项选择]What are two characteristics of the OSPF process identifier?（）
A. It is needed to identify a unique instance of an OSPF database.
B. It is an optional parameter only necessary if multiple OSPF processes are used.
C. It is locally significant.
D. It is globally insignificant
E. All routers in the same OSPF area must have the same process ID to exchange routing information.
[多项选择]On what kinds of networks does OSPF elect a backup designated router?（）
A. Point-to-point
B. Point to multipoint
C. Broadcast
D. Non-broadcast multi-access
[单项选择]What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）
A. SPF packets
B. hello packets
C. keepalive packets
D. dead interval packets
E. LSU packets
[单项选择]During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?（）
A. Init
B. 2Way
C. ExStart
D. Exchange
[单项选择]What is the default protocol preference for OSPF internal routes?（）
A. 10
B. 15
C. 150
D. 160
[单项选择]What is the default protocol preference for OSPF external routes?（）
A. 10
B. 15
C. 150
D. 160
[单项选择]What is the default import routing policy for OSPF?（）
A. Accept all OSPF routes and install them into the inet.3 routing table.
B. Accept all OSPF routes and install them into the inet7.0 routing table.
C. Accept all OSPF routes and install them into the inet4.0 routing table.
D. Accept all OSPF routes and install them into the inet.0 routing table.
[单项选择]What is the purpose of the OSPF link-state update packet?（）
A. describes a change to the OSPF hello timer
B. carries one or more link-state advertisements
C. establishes and maintains neighbor relationships
D. describes the contents of the entire link-state database
