Dynamic Routing Protocol Homework

d. An address on the network was configured on Serial port 0/0.

13. A routing table shows the following. C 192.168.2.0/24 is directly connected, Ethernet0/0 C 192.168.5.0/24 is directly connected, Serial0/0 R 192.168.3.0/24 [120/1] via 192.168.5.1, 00:00:03, Serial0/0 R 192.168.6.0/24 [120/2] via 192.168.5.1, 00:00:03, Serial 0/0 How did the route to 192.168.5.0 get into the routing table? a. It was configured as a static route by an administrator. b. It was learned using the RIP routing protocol. c. An address on the network was configured on Ethernet port 0/0. d. An address on the network was configured on Serial port 0/0.

a. Internal e. Link state

16. What type of routing protocol is OSPF? (Choose 2) a. Internal b. External c. Border d. Distance vector e. Link state

b. The EIGRP route because it has a lower administrative distance.

A router has discovered two routes to the 201.34.5.0 network. One was discovered using RIP, and has a metric of 3. The other was discovered using EIGRP and has a metric of 108. Which route will go into the routing table? a. The RIP route because it has a lower metric. b. The EIGRP route because it has a lower administrative distance. c. Both routes will go in but the RIP route will be preferred. d. Both routes will go in but the EIGRP route will be preferred. e. Both routes will go in and the router will load balance.

e. O

A routing table contains the following line. ? 192.168.7.0/24 [110/127] via 192.168.8.1, 00:00:03, Serial0/0 Which letter would you expect to see at the start of the line instead of the ? a. C b. D c. E d. R e. O f. S

a. 192.168.2.1 b. 192.168.2.2 f. 192.168.5.2

A routing table shows the following. C 192.168.2.0/24 is directly connected, Ethernet0/0 C 192.168.5.0/24 is directly connected, Serial0/0 R 192.168.3.0/24 [120/1] via 192.168.5.1, 00:00:03, Serial0/0 R 192.168.6.0/24 [120/2] via 192.168.5.1, 00:00:03, Serial 0/0 Which of the following IP addresses could be addresses of interfaces on this router? (Choose 3) a. 192.168.2.1 b. 192.168.2.2 c. 192.168.3.1 d. 192.168.3.2 e. 192.168.5.1 f. 192.168.5.2 g. 192.168.6.1 h. 192.168.6.2

b. More secure. c. Less use of bandwidth on the link.

An administrator is in charge of a group of networks that have a single connection to the outside, via an ISP. Which would be good reasons for using static routing across the link to the ISP? (Choose 2) a. Adjusts better to changes on the Internet. b. More secure. c. Less use of bandwidth on the link. d. The gateway router will not need to be configured.

b. RIP v2

An organization has a few small linked networks which have been addressed using VLSM. They have a mixture of Cisco and other routers which are quite old and not very powerful. Static routing could be appropriate, however the administrator has decided to use dynamic routing. The administrator is not experienced with routing protocols and wants something easy to configure and administer. Which protocol would you recommend? a. RIP v1 b. RIP v2 c. IGRP d. EIGRP e. OSPF v2 f. BGP v4

e. OSPF v2

An organization has a large group of networks organized in a hierarchy and addressed using VLSM. They have a mixture of Cisco and other routers. All the routers are modern with powerful processors and large RAM capacity. Bandwidth is an issue, and it is important that the routing protocol does not use too much bandwidth. The administrator is an experienced CCIE. Which protocol is the administrator most likely to choose? a. RIP v1 b. RIP v2 c. IGRP d. EIGRP e. OSPF v2 f. BGP v4

c. Yes. Although distance-vector routing protocols are typically show to converge, EIGRP has features that make it fast to converge.

Fast convergence is important on a group of networks, but the administrator has chosen to use EIGRP as the routing protocol. Is this a sensible choice? a. Yes, because EIGRP is a distance-vector routing protocol and distance vector routing protocols are fast to converge. b. Yes, because EIGRP is a link state routing protocol and link state routing protocols are fast to converge. c. Yes. Although distance-vector routing protocols are typically show to converge, EIGRP has features that make it fast to converge. d. No, because EIGRP is a distance-vector routing protocol and distance vector routing protocols are slow to converge. e. No, because EIGRP is a link state routing protocol and link state routing protocols are slow to converge.

a. Modern routers have the greater processing power needed by link state routing protocols b. Modern routers have the greater memory capacity needed by link state routing protocols

Link state routing protocols are now being used more widely than they were in the past. What factors might have allowed this? (Choose 2) a. Modern routers have the greater processing power needed by link state routing protocols b. Modern routers have the greater memory capacity needed by link state routing protocols c. Modern WAN links have the greater bandwidth needed by link state routing protocols d. Modern networks are less likely to have multiple paths to the same destination

a. RouterA# show ip route

What command would you give in order to display the following information? C 192.168.2.0/24 is directly connected, Ethernet0/0 C 192.168.5.0/24 is directly connected, Serial0/0 R 192.168.3.0/24 [120/1] via 192.168.5.1, 00:00:03, Serial0/0 R 192.168.6.0/24 [120/2] via 192.168.5.1, 00:00:03, Serial 0/0 a. RouterA# show ip route b. RouterA# show ip interfaces c. RouterA# show routing table d. RouterA# show RIP routing

a. Build up its routing table by sharing information with other routers

What does a routing protocol allow a router to do? a. Build up its routing table by sharing information with other routers b. Read IP destination addresses and forward packets c. Translate between MAC addresses and IP addresses d. Ensure that all packets reach their destinations e. Allocate IP addresses to directly connected hosts

c. The network is directly connected

What does the letter C signify at the start of an entry in the routing table? a. The route to the network was discovered using RIP b. The network was discovered using CSPF c. The network is directly connected d. The route to the network is closed

b. A route that is manually configured by an administrator

What is a static route? a. A route that does not often change with time b. A route that is manually configured by an administrator c. A route to a destination on a LAN d. A route that can be used if all other routes are unavailable

b. A routing protocol discovers two different routes to the same destination. They have the same metric, and both routes are put into the routing table and used

What is equal cost load balancing? a. Two different routing protocols discover different routes to the same destination. They have the same metric, and both routes are put into the routing table and used. b. A routing protocol discovers two different routes to the same destination. They have the same metric, and both routes are put into the routing table and used. c. A routing protocol discovers two different routes with the same metric to different destinations. Both routes are put into the routing table and used. d. A router has discovered two routes to the same destination. Both go via the ISP at a standard fixed payment, so both routes are used.

d. Autonomous system

What is the name given to a group of networks under the control of a single organisation and having a 16 bit identifier number? a. Local Area Network b. Metropolitan Area Network c. Organisation Unique Indentifier d. Autonomous system

b. converged

What state is a network in when all routers have consistent routing information? a. enabled b. converged c. concurrent d. fully routed

a. Internal d. Distance vector

What type of routing protocol is EIGRP? (Choose 2) a. Internal b. External c. Border d. Distance vector e. Link state

a. Internal d. Distance vector

What type of routing protocol is RIP? (Choose 2) a. Internal b. External c. Border d. Distance vector e. Link state

b. Bandwidth e. Delay

Which metric(s) does EIGRP use by default? (Choose 2) a. Hop count b. Bandwidth c. Cost d. Reliability e. Delay f. Load

b. Cost calculated using Bandwidth

Which metric(s) does OSPF use in the Cisco implementation? a. Cost calculated using Hop count b. Cost calculated using Bandwidth c. Cost calculated using Reliability d. Cost calculated using Delay e. Cost calculated using Load

a. Hop count

Which metric(s) does RIP use? a. Hop count b. Bandwidth c. Cost d. Reliability e. Delay f. Load

c. Open shortest path first

Which of the following algorithms is used by link state routing protocols? a. DUAL b. Bellman-Ford c. Open shortest path first

a. DUAL

Which of the following algorithms is used by the EIGRP routing protocol? a. DUAL b. Bellman-Ford c. Open shortest path first

b. Bellman-Ford

Which of the following algorithms is used by the RIP routing protocol? a. DUAL b. Bellman-Ford c. Open shortest path first

e. BGP

Which of the following is an exterior gateway routing protocol? a. RIP b. IGRP c. EIGRP d. OSPF e. BGP f. IS-IS

b. IGRP c. EIGRP

Which of the following routing protocols are Cisco proprietary? (Choose 2) a. RIP b. IGRP c. EIGRP d. OSPF e. BGP f. IS-IS

b. RIP v2 c. IGRP d. EIGRP e. OSPF v2 f. BGP v4 g. IS-IS

Which of the following routing protocols are classless? (Choose all that apply) a. RIP v1 b. RIP v2 c. IGRP d. EIGRP e. OSPF v2 f. BGP v4 g. IS-IS

b. RIP v2 d. EIGRP e. OSPF v2 f. BGP v4 g. IS-IS

Which of the following routing protocols are classless? (Choose all that apply) a. RIP v1 b. RIP v2 c. IGRP d. EIGRP e. OSPF v2 f. BGP v4 g. IS-IS

b. Static routes where the administrator does not specify an administrative distance.

Which routes will have an administrative distance of 1? a. Directly connected routes. b. Static routes where the administrator does not specify an administrative distance. c. Static routes that the administrator configures to be kept in reserve for use when dynamic routes go down. d. Routes learned using RIP e. Routes learned using OSPF f. Routes learned using EIGRP

d. EIGRP

Which routing protocol can be configured to allow unequal cost load balancing? a. RIP v1 b. RIP v2 c. IGRP d. EIGRP

a. Distance vector routing protocols will send their entire routing tables as regular updates to immediate neighbours so they use more bandwidth than link state routing protocols.

Which statement is true of networks that have converged? a. Distance vector routing protocols will send their entire routing tables as regular updates to immediate neighbours so they use more bandwidth than link state routing protocols. b. Link state routing protocols will send their entire routing tables as regular updates to immediate neighbours so they use more bandwidth than distance vector routing protocols. c. Distance vector routing protocols will send their entire routing tables as regular updates to all routers in the autonomous system so they use more bandwidth than link state routing protocols. d. Link state routing protocols will send their entire routing tables as regular updates to all routers in the autonomous system so they use more bandwidth than distance vector routing protocols.

b. RIP is being used c. Routes to two networks have been discovered using RIP g. The route to 192.168.6.0 involves 2 hops

Which statements are true about the information in the following display? (Choose 3) C 192.168.2.0/24 is directly connected, Ethernet0/0 C 192.168.5.0/24 is directly connected, Serial0/0 R 192.168.3.0/24 [120/1] via 192.168.5.1, 00:00:03, Serial0/0 R 192.168.6.0/24 [120/2] via 192.168.5.1, 00:00:03, Serial 0/0 a. Two routing protocols are being used b. RIP is being used c. Routes to two networks have been discovered using RIP d. Routes to four networks have been discovered using RIP e. The route to 192.168.6.0 involves 120 hops f. The route to 192.168.6.0 involves 24 hops g. The route to 192.168.6.0 involves 2 hops

b. Administrative distance is used to compare the paths found by different routing protocols and decide which path goes into the routing table. c. By default, a static route has a lower administrative distance and will be preferred over a dynamic route.

Which statements are true of administrative distance? (Choose 2) a. Administrative distance is used to compare the paths found by one routing protocol and decide which path goes into the routing table. b. Administrative distance is used to compare the paths found by different routing protocols and decide which path goes into the routing table. c. By default, a static route has a lower administrative distance and will be preferred over a dynamic route. d. By default, a static route has a higher administrative distance and will be preferred over a dynamic route. e. The administrative distance of a static route cannot be changed by the administrator. f. All routing protocols have the same administrative distance.

a. Routing metrics are used to compare the paths found by one routing protocol and decide which path goes into the routing table.. d. If a routing protocol finds several routes to one destination then the route with the smallest metric goes into the routing table.

Which statements are true of routing metrics? (Choose 2) a. Routing metrics are used to compare the paths found by one routing protocol and decide which path goes into the routing table.. b. Routing metrics are used to compare the paths found by different routing protocols and decide which path goes into the routing table. c. If a routing protocol finds several routes to one destination then the route with the largest metric goes into the routing table. d. If a routing protocol finds several routes to one destination then the route with the smallest metric goes into the routing table. e. All routing protocols use the same metrics.

b. Link state

Which type of routing protocol lets a router build up a topological database that shows how all the routers are connected? a. Distance vector b. Link state c. Border gateway d. Balanced hybrid

c. It does not send subnet mask information in routing updates so the default class masks or the masks used on directly connected subnets have to be assumed.

Why is a classful routing protocol unable to support VLSM? a. It sends routing table updates that contain only the default class subnet masks. b. Directly connected networks cannot be subnetted. c. It does not send subnet mask information in routing updates so the default class masks or the masks used on directly connected subnets have to be assumed. d. It does not send subnet mask information in routing updates so that subnetting cannot be used.

c. Routers may forward packets through incorrect ports because the routing table is out of date.

Why is it undesirable to have a network that converges slowly? a. Routers will not forward packets addressed to remote networks. b. Routers will send all packets on the default route. c. Routers may forward packets through incorrect ports because the routing table is out of date. d. Routers will use only static routes because all dynamic routes are removed from the routing table.