Data Communications and Networking 3

Data Communications and Networking 3

(Final Q1, Q2, FinalXam)

Question text

The router ID can be manually configured.

Select one:

True

False

Question text

LSA type 5 advertising external (non-OSPF) network addresses

Select one:

True

False

Question text

Which show command displays the administrative distance of the routing protocol that is being used?

Select one:

a.

  show ip ospf interface

b.

show interface

c.

show ip ospf neighbor

d.

show ip protocols

Question text

Which type of routing table entry would indicate that an external route was redistributed into the multiarea OSPF process?

Select one:

a.

S

b.

O

c.

C

d.

O IA

e.

O E2

Question text

Which routing protocol uses both bandwidth and delay to determine the best pathway to reach a remote network?

Select one:

a.

IS-IS

b.

OSPF

c.

EIGRP

d.

RIP

Question text

Answer Used to display the OSPFv2 parameters configured on an interface, such as the OSPFv2 process ID that the interface is assigned to, the area that the interfaces are in, the cost of the interface, and the Hello and Dead intervals.

Show ip ospf interface

Question text

The show ip protocols command use to verify the OSPFv2 settings.

Select one:

True

False

Question text

LSA type 3 advertising networks from other areas by ABRs

Select one:

True

False

Question text

Use the show ip ospf database command to verify the contents of the OSPFv2 LSDB.

Select one:

True

False

Question text

Internal router is a router that has all of its interfaces in the same area.

Select one:

True

False

Question text

How much traffic is a 48-port gigabit switch capable of switching when operating at full wire speed?

Select one:

a.

44 Gb/s, due to overhead requirements 

b.

48 Gb/s, by providing full bandwidth to each port 

c.

1 Gb/s, because data can only be forwarded from one port at a time 

d.

24 Gb/s, because this is the maximum forwarding rate on Cisco switches 

Question text

The show ip route ospf command use to verify the routing table.

Select one:

True

False

Question text

Area Border Router (ABR) s is a router that has interfaces attached to multiple areas

Select one:

True

False

Question text

The most common command used to verify a multiarea OSPFv2 configuration is the show ip route comman

Select one:

True

False

Question text

The show ip ospf neighbor command is use to verify if routers form adjacentcy.

Select one:

True

False

Question text

A virtual  Answer is a special OSPF transit area that is used to connect a remote OSPF network to Area 0.

link

Question text

Use the show ip protocols command to verify the OSPFv2 status.

Select one:

True

False

Question text

An OSPF router has received type 3 summary LSAs that were flooded into an area. How are these LSAs identified in the routing table?

Select one:

a.

O E1

b.

O E2

c.

O IA

d.

O

Question text

What must all non-backbone OSPF areas connect to when deploying multiarea OSPF?

Select one:

a.

Area 1

b.

Area 0 

c.

 a DR 

d.

an ASBR

Question text

Which technology is required when switched networks are designed to include redundant links?

Select one:

a.

virtual LANs 

b.

Spanning Tree Protocol 

c.

link aggregation

d.

virtual private networks

Question text

Which LSA type is flooded by a designated router to other OSPF routers within the same area?

Select one:

a.

type 2

b.

type 1

c.

type 4

d.

type 3

Question text

DR/BDR elections only occur in point-topoint  networks and do not occur  in multiaccessnetworks.

Select one:

True

False

Question text

How can a network administrator reduce SPF overhead on OSPF routers?

Select one:

a.

Reduce the interface delay values.

b.

Implement multiple areas of OSPF.

c.

  Increase the number of neighbor adjacencies.

d.

Decrease the hello timer intervals.

Question text

What information is advertised in a type 4 LSA?

Select one:

a.

 networks reachable outside the OSPF domain

b.

the router ID of the DR

c.

the route to reach an ASBR

d.

networks reachable outside the local area

Question text

Answer Used to verify vital OSPFv2 configuration information, including the OSPFv2 process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance, which is 110 for OSPF.

Show ip protocols

Question text

Which state will OSPF routers transition to when they have converged?

Select one:

a.

Init

b.

 Loading

c.

ExStart

d.

Full

Question text

What loop prevention technique is implemented by distance vector routing protocols?

Select one:

a.

split horizon

b.

gateway of last resort

c.

poison reverse

d.

loop guard

Question text

The the show ip interface brief command use to verify that interfaces are active.

Select one:

True

False

Question text

The OSPF Hello and Dead intervals are configurable on a per-interface basis. 

Select one:

True

False

Question text

The  Answer  command is used when configuring an OSPFv2 router to redistribute only a static default route.

default-information originate

Question text

Which feature could be used in a network design to increase the bandwidth by combining multiple physical links into a single logical link?

Select one:

a.

EtherChannel

b.

trunk ports

c.

subinterfaces 

d.

VLANs 

Question text

Which LSA type advertises directly connected OSPF-enabled links to other OSPF routers within the OSPF area they originated?

Select one:

a.

type 3

b.

type 4

c.

type 2

d.

type 1

Question text

LSA type 1 including a list of directly attached network prefixes and link type

Select one:

True

False

Question text

LSA type 4 advertising an ASBR to other areas and providing a route to it

Select one:

True

False

Question text

Answer Used to verify that the router has formed an OSPFv2 adjacency with its neighboring routers.

Show ip ospf neighbor

Question text

LSA type 2 identifying the routers and the network address of the multiaccess link

Select one:

True

False

Question text

Use the show ip ospf interface brief command to display concise OSPFv2-related information of OSPFv2-enabled interfaces.

Select one:

True

False

Question text

Answer Used to examine the OSPFv2 process ID and router ID. 

Show ip ospf

Question text

The show ip ospf interface command use to verify active RIP interfaces. 

Select one:

True

False

Question text

An ABR in a multiarea OSPF network receives LSAs from its neighbor that identify the neighbor as an ASBR with learned external networks from the Internet. Which LSA type would the ABR send to other areas to identify the ASBR, so that internal traffic that is destined for the Internet will be sent through the ASBR?

 

Select one:

a.

 LSA type 4

b.

LSA type 1

c.

 LSA type 2 

d.

 LSA type 5

e.

 LSA type 3

Question text

What is an advantage of OSPF compared to RIP?

Select one:

a.

less complexity

b.

fast convergence

c.

low memory requirements

d.

less CPU processing

Question text

Which operation feature is different between EIGRP and RIP?

Select one:

a.

EIGRP stores all routes learned from neighbors in a topology table.

b.

  EIGRP sends broadcast updates to neighbors.

c.

EIGRP uses periodic update timers.

d.

EIGRP has a metric of hop count.

Question text

If a specific router ID is not configured on an IPv4-based OSPF router, what will the IOS look for next to determine the router ID?

Select one:

a.

the lowest IPv4 address on any enabled interface

b.

the highest MAC address on any enabled interface

c.

the highest IPv4 address on a loopback interface

d.

the highest MAC address on a loopback interface

Question text

Which configuration will prevent two directly connected Cisco routers from forming an OSPFv2 neighbor adjacency?

Select one:

a.

Configuring mismatched MTU values on two adjacent routers

b.

Configuring a LAN interface connected to a switch as a passive interface

c.

Configuring mismatched OSPF process IDs on two adjacent routers

d.

Configuring a router ID on two adjacent routers

Clear my choice

Question 10

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Question text

Autonomous System Boundary Router (ASBR) is a router that has at least one interface attached to an external internetwork.

Select one:

True

False

Question text

A company has deployed four 48-port access layer switches to a switch block. For redundancy each access layer switch will connect to two distribution layer

switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links from the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices?

Select one:

a.

188 

b.

192 

c.

176 

d.

184 

Question text

All other non-DR or BDR routers become DROTHER (a router that is neither the DR nor the BDR) and DROTHERs only form full adjacencies with the DR and BDR in the network. 

Select one:

True

False

Question text

What is the term that is used for the area of a network that is affected when a device or network service experiences problems?

Select one:

a.

user domain 

b.

failure domain 

c.

collision domain 

d.

broadcast domain

Question text

What is a benefit of multiarea OSPF routing?

Select one:

a.

Topology changes in one area do not cause SPF recalculations in other areas.

b.

Automatic route summarization occurs by default between areas.

c.

  A backbone area is not required.

d.

  Routers in all areas share the same link-state database and have a complete picture of the entire network.

e.

Clear my choice

Question 5

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Question text

A BDR is also elected in case the DR fails. If the DR stops producing Hello packets, the BDR promotes itself and assumes the role of DR.

Select one:

True

False

Question text

Answer Used to verify vital OSPFv2 configuration information, including the OSPFv2 process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance, which is 110 for OSPF.

Question text

A BDR is also elected in case the DR fails. If the DR stops producing Hello packets, the BDR promotes itself and assumes the role of DR.

Select one:

True

False

Question text

The show ip protocols command use to verify the OSPFv2 settings.

Select one:

True

False

Question text

The  Answer  command is used when configuring an OSPFv2 router to redistribute only a static default route.

Question text

The router ID can be manually configured.

Select one:

True

False

Question text

If a specific router ID is not configured on an IPv4-based OSPF router, what will the IOS look for next to determine the router ID?

Select one:

a.

the highest MAC address on a loopback interface

b.

the highest MAC address on any enabled interface

c.

the lowest IPv4 address on any enabled interface

d.

the highest IPv4 address on a loopback interface

Question text

Which configuration will prevent two directly connected Cisco routers from forming an OSPFv2 neighbor adjacency?

Select one:

a.

Configuring mismatched MTU values on two adjacent routers

b.

Configuring a LAN interface connected to a switch as a passive interface

c.

Configuring a router ID on two adjacent routers

d.

Configuring mismatched OSPF process IDs on two adjacent routers

Question text

Answer Used to display the OSPFv2 parameters configured on an interface, such as the OSPFv2 process ID that the interface is assigned to, the area that the interfaces are in, the cost of the interface, and the Hello and Dead intervals.

Question text

Answer Used to verify that the router has formed an OSPFv2 adjacency with its neighboring routers.

Question text

The OSPF Hello and Dead intervals are configurable on a per-interface basis. 

Select one:

True

False

Question text

DR/BDR elections only occur in point-topoint  networks and do not occur  in multiaccessnetworks.

Select one:

True

False

Question text

The show ip route ospf command use to verify the routing table.

Select one:

True

False

Question text

Which show command displays the administrative distance of the routing protocol that is being used?

Select one:

a.

  show ip ospf interface

b.

show ip protocols

c.

show ip ospf neighbor

d.

show interface

Question text

The show ip ospf interface command use to verify active RIP interfaces. 

Select one:

True

False

Question text

Which state will OSPF routers transition to when they have converged?

Select one:

a.

Init

b.

Full

c.

ExStart

d.

 Loading

Question text

All other non-DR or BDR routers become DROTHER (a router that is neither the DR nor the BDR) and DROTHERs only form full adjacencies with the DR and BDR in the network. 

Select one:

True

False

Question text

The show ip ospf neighbor command is use to verify if routers form adjacentcy.

Select one:

True

False

Question text

Answer Used to examine the OSPFv2 process ID and router ID. 

Question text

The the show ip interface brief command use to verify that interfaces are active.

Select one:

True

False

Question text

A virtual  Answer is a special OSPF transit area that is used to connect a remote OSPF network to Area 0.

Question text

LSA type 5 advertising external (non-OSPF) network addresses

Select one:

True

False

Question text

Use the show ip ospf database command to verify the contents of the OSPFv2 LSDB.

Select one:

True

False

Question text

LSA type 2 identifying the routers and the network address of the multiaccess link

Select one:

True

False

Question text

An ABR in a multiarea OSPF network receives LSAs from its neighbor that identify the neighbor as an ASBR with learned external networks from the Internet. Which LSA type would the ABR send to other areas to identify the ASBR, so that internal traffic that is destined for the Internet will be sent through the ASBR?

 

Select one:

a.

 LSA type 4

b.

 LSA type 3

c.

 LSA type 5

d.

LSA type 1

e.

 LSA type 2 

Question text

An OSPF router has received type 3 summary LSAs that were flooded into an area. How are these LSAs identified in the routing table?

Select one:

a.

O E1

b.

O IA

c.

O

d.

O E2

Question text

Which LSA type advertises directly connected OSPF-enabled links to other OSPF routers within the OSPF area they originated?

Select one:

a.

type 4

b.

type 3

c.

type 1

d.

type 2

Question text

Autonomous System Boundary Router (ASBR) is a router that has at least one interface attached to an external internetwork.

Select one:

True

False

Question text

LSA type 1 including a list of directly attached network prefixes and link type

Select one:

True

False

Question text

Use the show ip protocols command to verify the OSPFv2 status.

Select one:

True

False

Question text

Internal router is a router that has all of its interfaces in the same area.

Select one:

True

False

Question text

LSA type 3 advertising networks from other areas by ABRs

Select one:

True

False

Question text

What is a benefit of multiarea OSPF routing?

Select one:

a.

b.

Automatic route summarization occurs by default between areas.

c.

  A backbone area is not required.

d.

Topology changes in one area do not cause SPF recalculations in other areas.

e.

  Routers in all areas share the same link-state database and have a complete picture of the entire network.

Question text

Which LSA type is flooded by a designated router to other OSPF routers within the same area?

Select one:

a.

type 4

b.

type 1

c.

type 3

d.

type 2

Question text

What must all non-backbone OSPF areas connect to when deploying multiarea OSPF?

Select one:

a.

Area 0 

b.

an ASBR

c.

Area 1

d.

 a DR 

Question text

The most common command used to verify a multiarea OSPFv2 configuration is the show ip route comman

Select one:

True

False

Question text

Area Border Router (ABR) s is a router that has interfaces attached to multiple areas

Select one:

True

False

Question text

Which type of routing table entry would indicate that an external route was redistributed into the multiarea OSPF process?

Select one:

a.

O

b.

S

c.

O E2

d.

C

e.

O IA

Question text

LSA type 4 advertising an ASBR to other areas and providing a route to it

Select one:

True

False

Question text

Use the show ip ospf interface brief command to display concise OSPFv2-related information of OSPFv2-enabled interfaces.

Select one:

True

False

Question text

What information is advertised in a type 4 LSA?

Select one:

a.

the route to reach an ASBR

b.

networks reachable outside the local area

c.

 networks reachable outside the OSPF domain

d.

the router ID of the DR