Routing

Routing

1. What is the full form of ABR

Area Boundary Router
Area Border Router
Area Border Routing
Area Boundary Route


2. What is the full form of ASBR

Area System Boundary Router
Autonomous System Border Router
Area Selection Boundary Router
Autonomous System Boundary Router


3. What is the full form of LSA

Link State Advertise
Link State Add on value
Link State Advertisement
None of the above


4. What is the full form of LSU

Link State Update
Link State Upload
Link State Understand
None of the above


5. How many types of LSA are there in OSPF?

5
6
7
10

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Routing

1. Which command allows to check neighbor ship information in OSPF

router#show ip ospf neighbor
router(config)#sh ip ospf neighbor
router(config-if)#show ip ospf neighbor
None of the above


2. How DR elected?

DR is the highest address of the shut interface
DR is the Lowest address of the Active interface
DR is the highest address of the loopback address.
None of the above


3. What is the full form of OIA

OSPF Interface Area
OSPF Inter Area
OSPF Instruction Area
None of the above


4. What is the default priority for OSPF?

1
10
100
255


5. Where DR and BDR elected?

Point to point link
Multi access
ISND
None of the above

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Routing

Routing

1. Which of the following topology in OSPF has broadcast and multicast feature.

BMA
Point-to-Point
Point-to-multipoint
NBMA


2. Which of the following topology in OSPF is used when there are are two device connected to each ot

Broadcast Multi-access network
Point-to-point
Point-to-multipoint
Non-broadcast multi access


3. Which of the following command is used to configure OSPF.

Router(config)#router ospf < autonomous number system >
Router(config)#router ospf
Router(config)#router ospf < process-id >
Router(config)#router ospf < router-id >


4. What is the valid range of process-ID

1-16777214
1-65535
1-1000 and 4000-4096
1-254


5. What is the wild card mask of 255.255.255.224

0.0.0.31
0.0.0.32
255.255.255.254
None of the above

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Routing

1. How many types of message define by OSPF?

1
3
5
7


2. Which message type of OSPF contain description of the topology?

Hello
Database Description
Link State Update
None of the above


3. How many types of area are present in OSPF?

7
5
3
1


4. Which of the following area is called Backbone Area.

area 0
area 1
backbone area
None of the above


5. Which area type does not accept LSA type 4 and 5

Stub Area
Totally Stubby Area
Not So Stubby Area
All of the above

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Routing

1. What is the Administrative Distance value of OSPF?

100
110
115
120


2. Which of the following is a formula for cost

10000/bandwith in bps
100000/bandwith in bps
1000000/bandwith in bps
10000000/bandwith in bps


3. Which of the following message is use as greeting in OSPF

Active
Hello
Protocol message
None of the above


4. OSPF support which of the following protocol.

Internet Protocol
User Datagram Protocol
Transmission Control Protocol
None of the above


5. OSPF uses which following routing method

Distance vector
Link State
Hybrid
None of the above

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Routing

Routing

1. What is the full form of OSPF?

Open Shortest Path Follow
Open Source Path First
Open Secure Path File
Open Shortest Path First


2. What is the metric of OSPF?

Hop Count
Composit Metric
Cost
None of the above


3. OSPF uses which of the following matric?

Bandwidth
Delay
Both a and b
Non


4. OSPF is

Distant Vector Routing Protocol
Link State Routing Protocol
Hybrid Routing Protocol
None of the above


5. The algorithm of link-state is called as

Bellman-Ford algorithm
Dual algorithm
Dijkstra algorithm
None of the above

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Routing

1. Which command shows only EIGRP entries in the routing table

router#show ip eigrp
Router(config)#show ip route eigrp
Router#show ip route eigrp
Router(config-router)#show ip eigrp route


2. Which command show the entire routing table.

router#show ip interface brief
router#show ip route
router#debug ip
router#show ip variance


3. By default, EIGRP supports equal-cost load balancing over

two links
three links
four links
five links


4. Which protocol support equal as well as unequal load balancing?

RIP
EIGRP
OSPF
BGP


5. What is the minimum bandwidth used by EIGRP?

bits per second
Kilobits per second
mega bits per second
None of the above

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Routing

1. What is successor?

A successor is the route which stored in neighbor table
A successor is the route with best metric to reach a destination
A successor is the backup path to reach the destination
None of the above


2. What is Feasible successor?

A Feasible successor is the route with best metric to reach a destination
A Feasible successor is a backup path used if the successor route fails
A Feasible successor is give information about routing updates
None of the above


3. Which table keeps a record of the IP addresses of routers that have a direct physical connection.

Neighbor Table
Topology Table
Routing Table
None of the above


4. Which table stores routes that it has learned from neighbor routing tables.

Neighbor Table
Topology Table
Routing Table
None of the above


5. Which table contains the best routes to destination in terms of the lowest metric?

Neighbor Table
Topology Table
Routing Table
Metric Table

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Routing

1. Which of the following multicast address used by EIGRP?

224.0.0.9
224.0.0.10
224.0.0.5
224.0.0.6


2. What is the Administrative Distance for EIGRP

90
100
170
None of the above


3. What is the full form of CIDR

Classfull Inter-Domain Routing
Classless Internet-Domain Routing
Classless Inter-Domain Routing
None of the above


4. Which of the following is the matric for EIGRP?

hop count
composit
cost
None of the above


5. Default k value for EIGRP matric

k1=1 k2=2 k3=3 k4=4 k5=5
k1=0 k2= k3=0 k4=0 k5=0
k1=0 k2=1 k3=0 k4=1 k5=1
k1=1 k2=0 k3=1 k4=0 k5=0

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Routing

1. IGRP uses which of the following matric?

bandwidth
delay
both a and b
None of the above


2. What is the default hop count of the IGRP?

100
110
120
15


3. Why IGRP was created?

In overcome the limitation of RIP
because it is a Cisco proprietary
It has a composit matric
None of the above


4. IGRP use which of the following number for communication

7
8
9
10


5. What is the invalid timer for IGRP?

240 s
270 s
300 s
320 s

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Routing

1. Which of the following command is used to configure IGRP on router?

Router(config)#router IGRP 10
Router(config)#router IGRP
Router#router IGRP 10
None of the above


2. What is the range of Autonomous System number?

1 to 16777214
1 to 65535
1 to 254
1 to 100


3. IGRP consider as ?

classless routing protocol
classfull routing protocol
hybrid protocol
None of the above


4. What is the limit of hop count for IGRP?

15
251
315
255


5. What is the update timer for IGRP?

30 s
90 s
150 s
270 s

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Routing

1. What is the update time for RIP?

10 second
20 second
30 second
40 second


2. Which of the following command is used for troubleshooting RIP problems?

router(config)#show ip route
router#debug ip rip
router#show route
None of the above


3. What is the full form of IGRP?

Internet Gateway Routing Protocol
Interior Gateway Routing Protocol
Interior Gateway Routing Protocol
None of the above


4. What is the Holdown Timer for RIP?

180 s
240 s
280 s
320 s


5. What is the flush timer for RIP?

180 s
240 s
280 s
320 s

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Routing

1. What is the max hop count of RIP?

10
11
13
15


2. Which of the following port number is reserved for the RIP?

80
23
520
640


3. Which of the following protocol RIP use its transport protocol?

UDP
TCP
HTTP
None of the above


4. RIP support which of the following authentication nechanism?

Plain text
MD5
Both a and b
None of the above


5. RIP uses which of the following algorithm?

dijkstra algorithm
bellmen-ford algorithm
Dual algorithm
None of the above

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Routing

1. What is the Administrative Distance value of IGRP?

90
170
100
120


2. Conversion of IGRP is

slow
fast
based on timer
None of the above


3. Which of the following multicast address used by RIPv2

224.0.0.6
224.0.0.5
224.0.0.10
224.0.0.9


4. RIP uses which of the following matrics?

hop count
composit
cost
None of the above


5. What is the Administrative Distance value of RIP?

90
70
100
120

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Routing

1. If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?

Any available route
RIP route
Static route
IGRP route


2. Which of the following is true regarding RIPv2?

It has a lower administrative distance than RIPv1.
It converges faster than RIPv1.
It has the same timers as RIPv1.
It is harder to configure than RIPv1


3. EIGRP uses which of the following algorithm?

dijkstra algorithm
Dual algorithm
digikey
None of the above


4. RIP stand for

Rest In Peace
Router Information Protocol
Routed Information Protocol
Routing Information Protocol


5. EIGRP stand for

Enhanced Interior Gateway Routing Protocol
Entry Interior Gateway Routing Protocol
Entrance Interior Gateway Routing Protocol
None of the above

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Routing

1. What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router(config-if)#no routing
Router(config-if)#passive-interface
Router(config-router)#passive-interface s0
Router(config-router)#no routing updates


2. Which of the following statements are true regarding the command ip route 172.16.4.0 255.255.255.0 192.168.4.2?

The command is used to establish a static route.
The command is used to configure the default route.
The subnet mask for the source address is 255.255.255.0.
The command is used to establish a stub network.


3. What is split horizon?

Information about a route should not be sent back in the direction from which the original update came.
It splits the traffic when you have a large bus (horizon) physical network.
It holds the regular updates from broadcasting to a downed link.
It prevents regular update messages from reinstating a route that has gone down.


4. Which statement is true regarding classless routing protocols?

The use of discontiguous networks is not allowed.
RIPv1 is a classless routing protocol.
IGRP supports classless routing within the same autonomous system.
RIPv2 supports classless routing.


5. Which command displays RIP routing updates?

show ip route
debug ip rip
show protocols
debug ip route

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