题目内容

阻塞性肺气肿最常见的病因是

A. 支气管哮喘
B. 支气管扩张
C. 慢性支气管炎
D. 肺结核
E. 支气管肺炎

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One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the ______ algorithm. Routing protocols in internetworks differ slightly from the idealized graph model. In an intemetwork, the goal of the routers to forward ______ to various networks.Routers running RIP send their advertisement about cost every ______ seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. RIP takes the simplest approach, with all link costs being equal ______. Thus it always tries to find the minimum hop route.Valid distances are 1 through 15. This also limits RIP to running on fairly small networks.

A. 10
B. 30
C. 60
D. 180

One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the ______ algorithm. Routing protocols in internetworks differ slightly from the idealized graph model. In an intemetwork, the goal of the routers to forward ______ to various networks.Routers running RIP send their advertisement about cost every ______ seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. RIP takes the simplest approach, with all link costs being equal ______. Thus it always tries to find the minimum hop route.Valid distances are 1 through 15. This also limits RIP to running on fairly small networks.

A. respond time
B. utilization
C. links
D. metrics

One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the ______ algorithm. Routing protocols in internetworks differ slightly from the idealized graph model. In an intemetwork, the goal of the routers to forward ______ to various networks.Routers running RIP send their advertisement about cost every ______ seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. RIP takes the simplest approach, with all link costs being equal ______. Thus it always tries to find the minimum hop route.Valid distances are 1 through 15. This also limits RIP to running on fairly small networks.

A. Dijkstra
B. path-vector
C. link-state
D. distance-vector

One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the ______ algorithm. Routing protocols in internetworks differ slightly from the idealized graph model. In an intemetwork, the goal of the routers to forward ______ to various networks.Routers running RIP send their advertisement about cost every ______ seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. RIP takes the simplest approach, with all link costs being equal ______. Thus it always tries to find the minimum hop route.Valid distances are 1 through 15. This also limits RIP to running on fairly small networks.

A. 1
B. 15
C. 16
D. length of the link

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