单选题The Testking network has been configured with OSPF as the routing protocol.What is the default administrative distance of the OSPF routing protocol?（）A90B100C110D120E130F170G200
单选题
The Testking network has been configured with OSPF as the routing protocol.What is the default administrative distance of the OSPF routing protocol?（）
A
90
B
100
C
110
D
120
E
130
F
170
G
200
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For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?() A. The router must have one routing protocol configured, but configuration for both routing protocols is not necessaryB. The router must hav e at least one working link connected to each routing domainC. The redistribute command must be configured under EIGRP to send the routes to OSPFD. The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）A. The router will use the static route.B. The router will use the OSPF route.C. The route will use the EIGRP route.D. The router will load balance and use all three routes.
Route redistribution (RR) has become an integral part of IP network design as the res ult of a growing need for disseminating certain routes across routing protocol boundaries. By default, which description is true when redistributing routes from other routing protocols into OSPF?（）A. Summarized routes are unacceptableB. They will appe ar in the OSPF routing table as type E2 routesC. Only routes with lower administrative distances will be importedD. All imported routes are to be automatically summarized if possible
You have just configured a static default route on router TK1. What is the purpose of a default route?() A. It is a route to be used when the routing protocol fails.B. It is a route configured by an ISP that sends traffic into a corporate network.C. It is a route used when a packet is destined for a remote network that is not listed in the routing table.D. It is a route manually configured for a specific remote network for which a routing protocol is not configured.E. It is used to send traffic to a stub network.
A new network has been configured using OSPF as the routing protocol. With which network type will OSPF establish router adjacencies but not perform the DR／BDR election process?() A. point-to-pointB. Backbone area 0C. Broadcast multicastD. Non-broadcast multi-accessE. The DR/BDR process is done for all interface types
The Testking network has been configured with OSPF as the routing protocol.What is the default administrative distance of the OSPF routing protocol?() A.90B.100C.110D.120E.130F.170G.200
How will router A choose a path to the 10.1.2.0／24 network when different routing protocols are configured (Choose three.)()。 A.If RIPv2 is the routing protocol, only the path AD will be installed in the routing table by default.B.If RIPv2 is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.C.If EIGRP is the routing protocol, only the path AD will be installed in the routing table by default.D.If EIGRP is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.E.If EIGRP and OSPF are both running on the network, the EIGRP paths will be installed in the routing table.F.If EIGRP and OSPF are both running on the network, the OSPF paths will be installed in the routing table.
Open Shortest Path First (OSPF) was designed as an （ ） gateway protocol, for use in an autonomous system such as a local area network (LAN). It implements Dijkstra's algorithm, also known as the （ ） path first algorithm. As a link-state routing protocol it was based on the link-state algorithm developed for the ARPANET in 1980 and the IS-IS routing protocol. OSPF was first standardised in 1989 as RFC 1131, which is now known as OSPF version 1.Routing protocols like OSPF calculate the shortest route to a destination through the network based on an algorithm. The first routing protocol that was widely implemented, the （请作答此空）, calculated the shortest route based on hops, that is the number of routers that an IP packet had to traverse to reach the destination host. RIP successfully implemented dynamic routing, where routing tables change if the network topology changes. But RIP did not adapt its routing according to changing network conditions, such as data-transfer rate. Demand grew for a dynamic routing protocol that could calculate the fastest route to a destination. （ ） was developed so that the shortest path through a network was calculated based on the cost of the route, taking into account bandwidth, delay and load. Therefore OSPF undertakes route cost calculation on the basis of link-cost parameters, which can be weighted by the administrator. OSPF was quickly adopted because it became known for reliably calculating routes through large and complex local area networks.As a link state routing protocol, OSPF maintains link state （ ）, which are really network topology maps, on every router on which it is implemented. The state of a given route in the network is the cost, and OSPF algorithm allows every router to calculate the cost of the routes to any given reachable destination. Unless the administrator has made a configuration, the link cost of a path connected to a router is determined by the bit rate (1 Gbit/s, 10 Gbit/s, etc) of the interface. A router interface with OSPF will then advertise its link cost to neighbouring routers through multicast, known as the hello procedure. All routers with OSPF implementation keep sending hello packets, and thus changes in the cost of their links become known to neighbouring routers. The information about the cost of a link, that is the speed of a point to point connection between two routers, is then cascaded through the network because OSPF routers advertise the information they receive from one neighbouring router to all other neighbouring routers. This process of flooding link state information through the network is known as synchronisation. Based on this information, all routers with OSPF implementation continuously update their link state databases with information about the network topology and adjust their routing tables.OSPF has become a popular dynamic routing protocol. Other commonly used dynamic routing protocols are the RIP and the Border Gateway Protocol (BGP). Today routers support at least one interior gateway protocol to advertise their routing tables within a local area network. Frequently implemented interior gateway protocols besides OSPF are RIP, IS-IS, and the proprietary Interior Gateway Routing Protocol (IGRP) by Cisco.A.OSPFB.RIPC.IS-ISD.EIGRP
Open Shortest Path First (OSPF) was designed as an （请作答此空） gateway protocol, for use in an autonomous system such as a local area network (LAN). It implements Dijkstra's algorithm, also known as the （ ） path first algorithm. As a link-state routing protocol it was based on the link-state algorithm developed for the ARPANET in 1980 and the IS-IS routing protocol. OSPF was first standardised in 1989 as RFC 1131, which is now known as OSPF version 1.Routing protocols like OSPF calculate the shortest route to a destination through the network based on an algorithm. The first routing protocol that was widely implemented, the （ ）, calculated the shortest route based on hops, that is the number of routers that an IP packet had to traverse to reach the destination host. RIP successfully implemented dynamic routing, where routing tables change if the network topology changes. But RIP did not adapt its routing according to changing network conditions, such as data-transfer rate. Demand grew for a dynamic routing protocol that could calculate the fastest route to a destination. （ ） was developed so that the shortest path through a network was calculated based on the cost of the route, taking into account bandwidth, delay and load. Therefore OSPF undertakes route cost calculation on the basis of link-cost parameters, which can be weighted by the administrator. OSPF was quickly adopted because it became known for reliably calculating routes through large and complex local area networks.As a link state routing protocol, OSPF maintains link state （ ）, which are really network topology maps, on every router on which it is implemented. The state of a given route in the network is the cost, and OSPF algorithm allows every router to calculate the cost of the routes to any given reachable destination. Unless the administrator has made a configuration, the link cost of a path connected to a router is determined by the bit rate (1 Gbit/s, 10 Gbit/s, etc) of the interface. A router interface with OSPF will then advertise its link cost to neighbouring routers through multicast, known as the hello procedure. All routers with OSPF implementation keep sending hello packets, and thus changes in the cost of their links become known to neighbouring routers. The information about the cost of a link, that is the speed of a point to point connection between two routers, is then cascaded through the network because OSPF routers advertise the information they receive from one neighbouring router to all other neighbouring routers. This process of flooding link state information through the network is known as synchronisation. Based on this information, all routers with OSPF implementation continuously update their link state databases with information about the network topology and adjust their routing tables.OSPF has become a popular dynamic routing protocol. Other commonly used dynamic routing protocols are the RIP and the Border Gateway Protocol (BGP). Today routers support at least one interior gateway protocol to advertise their routing tables within a local area network. Frequently implemented interior gateway protocols besides OSPF are RIP, IS-IS, and the proprietary Interior Gateway Routing Protocol (IGRP) by Cisco.A.exteriorB.interiorC.borderD.routing
OSPF is a link-state routing protocol。It is designed to be run internal to a single （71）system。Each OSPF router maintains an identical （）describing the autonomous system’s topology。From this database，a routing table is calculated by constructing a shortest-path （）。OSPF recalculates routes quickly in the face of topological changes，utilizing a minimum of routing （） traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided，enabling an additional level of routing protection and a reduction in routing protocol （）。A.autonomous B.network C.computer D.server
A new network has been configured using OSPF as the routing protocol. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?（）A、point-to-pointB、Backbone area 0C、Broadcast multicastD、Non-broadcast multi-accessE、The DR/BDR process is done for all interface types
A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。A、The router will use the static route.B、The router will use the OSPF route.C、The router will use the EIGRP route.D、The router will load balance and use all three routes.
The Testking network has been configured with OSPF as the routing protocol.What is the default administrative distance of the OSPF routing protocol?（）A、90B、100C、110D、120E、130F、170G、200
A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.B、For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.C、Direct inter-vlan communication does not require OSPFD、OSPF cannot be used if router-on-a-stick is configured on the router
Route redistribution (RR) has become an integral part of IP network design as the res ult of a growing need for disseminating certain routes across routing protocol boundaries. By default, which description is true when redistributing routes from other routing protocols into OSPF?（）A、Summarized routes are unacceptableB、They will appe ar in the OSPF routing table as type E2 routesC、Only routes with lower administrative distances will be importedD、All imported routes are to be automatically summarized if possible
For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）A、The router must have one routing protocol configured, but configuration for both routing protocols is not necessaryB、The router must hav e at least one working link connected to each routing domainC、The redistribute command must be configured under EIGRP to send the routes to OSPFD、The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
Which of the following routing protocols is strictly a distance vector protocol?（）A、IS-ISB、BGPC、EIGRPD、OSPF
You are a network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. The company’s main office is in Barcelona， and it has branch offices in Paris and London. The company has no immediate plans to expand or relocate the offices. The company wants to connect the office networks by using a frame relay WAN connection and Routing and Remote Access servers that are configured with frame relay WAN adapters. Computers in each office will be configured to use the local Routing and Remote Access server as a default gateway. You are planning the routing configuration for the Routing and Remote Access servers. You need to allow computers in Barcelona， Paris， and London to connect to computers in any office. You want to minimize routing traffic on the WAN connection. What should you do？ （）A、 At each office， add the OSPF routing protocol to Routing and Remote Access， add the WAN adapter to the OSPF routing protocol， and deploy OSPF as a single-area internetwork.B、 At each office， add the RIP version 2 routing protocol to Routing and Remote Access， and configure the WAN adapter to use RIP version 2. Configure the outgoing packet protocol as RIP version 2 broadcast and the incoming packet protocol as RIP version 1 and 2.C、 At each office， add the RIP version 2 routing protocol to Routing and Remote Access， and configure the WAN adapter to use RIP version 2. Configure the outgoing packet protocol as RIP version 2 multicast and the incoming packet protocol as RIP version 2 only.D、 At each office， configure the Routing and Remote Access server with static routes to the local networks at the other two offices.
单选题You are a network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. The company’s main office is in Barcelona， and it has branch offices in Paris and London. The company has no immediate plans to expand or relocate the offices. The company wants to connect the office networks by using a frame relay WAN connection and Routing and Remote Access servers that are configured with frame relay WAN adapters. Computers in each office will be configured to use the local Routing and Remote Access server as a default gateway. You are planning the routing configuration for the Routing and Remote Access servers. You need to allow computers in Barcelona， Paris， and London to connect to computers in any office. You want to minimize routing traffic on the WAN connection. What should you do？ （）A At each office， add the OSPF routing protocol to Routing and Remote Access， add the WAN adapter to the OSPF routing protocol， and deploy OSPF as a single-area internetwork.B At each office， add the RIP version 2 routing protocol to Routing and Remote Access， and configure the WAN adapter to use RIP version 2. Configure the outgoing packet protocol as RIP version 2 broadcast and the incoming packet protocol as RIP version 1 and 2.C At each office， add the RIP version 2 routing protocol to Routing and Remote Access， and configure the WAN adapter to use RIP version 2. Configure the outgoing packet protocol as RIP version 2 multicast and the incoming packet protocol as RIP version 2 only.D At each office， configure the Routing and Remote Access server with static routes to the local networks at the other two offices.
单选题A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）AFor the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.BFor the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.CDirect inter-vlan communication does not require OSPFDOSPF cannot be used if router-on-a-stick is configured on the router
单选题A new network has been configured using OSPF as the routing protocol. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?（）Apoint-to-pointBBackbone area 0CBroadcast multicastDNon-broadcast multi-accessEThe DR/BDR process is done for all interface types
单选题A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）AThe router will use the static route.BThe router will use the OSPF route.CThe route will use the EIGRP route.DThe router will load balance and use all three routes.
单选题You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way: Router(config)# router ospf 99 Router(config-if)# network 10.0.0.0 255.0.0.0 area 0 Based on this information, what is the most likely problem?（）AThe process id is configured improperly.BThe OSPF area is configured improperly.CThe network wildcard mask is configured improperly.DThe network number is configured improperly.EThe AS is configured improperly.FThe network subnet mask is configured improperly.GAll of the above are likely problems.
单选题Route redistribution (RR) has become an integral part of IP network design as the res ult of a growing need for disseminating certain routes across routing protocol boundaries. By default, which description is true when redistributing routes from other routing protocols into OSPF?（）ASummarized routes are unacceptableBThey will appe ar in the OSPF routing table as type E2 routesCOnly routes with lower administrative distances will be importedDAll imported routes are to be automatically summarized if possible
单选题A network includes a RIPv2 domain, an EIGRP domain, and an OSPF domain. Each pair of routing domains has multiple routers redistributing routes between the p air of domains. The design requires that the redistribution configuration avoid matching based on prefix/length because of the trouble in maintaining such configurations. Which one of the following tools can be used in all three routing domains to attem pt to prevent domain loops?（）ASetting route tagsBSetting the default administrative distance differently for internal and external routesCSetting administrative distance differently per routeDSetting metrics much higher for all ext ernal routes than for all internal routes
多选题How will router A choose a path to the 10.1.2.0/24 network when different routing protocols are configured (Choose three.)（）。AIf RIPv2 is the routing protocol, only the path AD will be installed in the routing table by default.BIf RIPv2 is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.CIf EIGRP is the routing protocol, only the path AD will be installed in the routing table by default.DIf EIGRP is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.EIf EIGRP and OSPF are both running on the network, the EIGRP paths will be installed in the routing table.FIf EIGRP and OSPF are both running on the network, the OSPF paths will be installed in the routing table.