更多"OSPF routing uses the concept of ar"的相关试题:
[多项选择]OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? （）
A. Each OSPF area requires a loopback interface to be configured.
B. Areas may be assigned any number from 0 to 65535.
C. Area 0 is called the backbone area.
D. Hierarchical OSPF networks do not require multiple areas.
E. Multiple OSPF areas must connect to area 0.
F. Single area OSPF networks must be configured in area 1.
[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
[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]If the bandwidth of an OSPF interface is 64, what would be the calculated cost of the link?（）
A. 1
B. 10
C. 1562
D. 64000
E. 128000
F. None of the above
[单项选择]What type of OSPF router is responsible for redistributing routes into OSPF?（）
A. ABR
B. ASBR
C. internal router
D. backbone router
[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.
[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 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
[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
[多项选择]What are some of the characteristics of the OSPF routing protocol?（）
A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
F. None of the above
