CCNA Quiz Online Test Mcqs

Test Instructions
Test Name	:	CCNA MCQs
Subject	:	Computer General
Test Type	:	Mcqs
Total Question	:	25
Total Marks	:	50
Total Time	:	20 Minutes

This quiz includes mcq’s questions about the CCNA. This quiz will help you test and improve your knowledge about it will ease as it includes all the important questions related to it. You will be given multiple options for each question and need to select the correct one.

CCNA Quiz Online Test Mcqs Questions with Answers

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Question 1 of 25

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1. What action does a link-state router take immediately upon receipt of an LSP from a neighboring router?

Floods the LSP to neighbors

Computes the best path to the destination network

Runs the Bellman-Ford algorithm

Calculates the SPF algorithm

Question 1 of 25

Question 2 of 25

2. What is the final step in the link state routing process?

LSPs are flooded to all neighbors to converge the network

DUAL algorithm is run to find best path to destination networks

Successors are placed into the routing table

SPF computes best path to each destination network

Question 2 of 25

Question 3 of 25

3. What protocol is used to find the hardware address of a local device?

ARP

ICMP

RARP

BootP

Question 3 of 25

Question 4 of 25

4. What feature do modern link-state protocols provide to minimize processing and memory requirements?

Assigning lower process priorities to route calculations

Splitting routing topologies into smaller areas

Strict split horizon rules to reduce routing table entries

Using update timers to restrict routing updates

Question 4 of 25

Question 5 of 25

5. When are link-state packets sent to neighbors?

When a link goes up or down

Every 180 seconds

After the holddown time expires

Every 30 seconds

Question 5 of 25

Question 6 of 25

6. If a router interface is congested, which protocol in the IP suite is used to tell neighbor routers?

ARP

TCP

ICMP

RARP

Question 6 of 25

Question 7 of 25

7. What two events will cause a link state router to send LSPs to all neighbors?

Immediately after the Bellman-Ford algorithm has run

Immediately after the DUAL FSM has built the topology database

Upon initial startup of router or routing protocol

30 second timer expires

Whenever the network topology changes

Question 7 of 25

Question 8 of 25

8. What range of addresses can be used in the first octet of a Class C address?

1-127

192-223

129-192

203-234

Question 8 of 25

Question 9 of 25

9. Which algorithm is run by link-state routing protocols to calculate the shortest path to destination networks?

Bellman-Ford

Diffie-Hellman

Dijkstra

DUAL

Question 9 of 25

Question 10 of 25

10. What speeds up convergence in a network using link-state routing?

Updates sent only to directly connected neighbors

Updates that include complete routing tables

Updates sent at regular intervals

Updates triggered by network changes

Question 10 of 25

Question 11 of 25

11. Which protocol works at the Transport layer and provides virtual circuits between hosts?

UDP

TCP

ARP

Question 11 of 25

Question 12 of 25

12. Which protocol working at the Transport layer provides a connectionless service between hosts?

TCP

ARP

UDP

Question 12 of 25

Question 13 of 25

13. Why is it difficult for routing loops to occur in networks that use link-state routing?

Each router builds a simple view of the network based on hop count

Each router builds a complete and synchronized view of the network

Routers use hold-down timers to prevent routing loops

Routers flood the network with LSAs to discover routing loops

Question 13 of 25

Question 14 of 25

14. Refer to the exhibit. What kind of information would be seen in an LSP sent from router JAX to router ATL?

Hop count

Cost of the link

Uptime of the route

A list of all the routing protocols in use

Question 14 of 25

Question 15 of 25

15. Which database or table must be identical on all link-state routers within an area in order to construct an accurate SPF tree?

Neighbor table

Adjacency table

Link-state database

Routing table

Question 15 of 25

Question 16 of 25

16. Which protocol works at the Internet layer and provides a connection service between hosts?

UDP

TCP

ARP

Question 16 of 25

Question 17 of 25

17. Which routers will router D receive hello packets?

A and E

A, B, C, and E

B and C

C only

Question 17 of 25

Question 18 of 25

18. What two statements correctly describe the link state routing process?

Each router in the area floods LSPs to all neighbors

All routers in the area have link state databases

LSPs use the reserved multicast address of 224.0.0.10 to reach neighbors

Routing loops are prevented by running the Diffusing Update Algorithm (DUAL)

Question 18 of 25

Question 19 of 25

19. Refer to the exhibit. Router B receives a packet with a destination address of 10.16.1.97. What will router B do?

Forward the packet via the route to 10.16.1.0

Forward the packet via the route to 10.16.1.64

Use the default route

Drop the packet

Question 19 of 25

Question 20 of 25

20. How many bytes is an Ethernet address?

Question 20 of 25

Question 21 of 25

21. What range of addresses can be used in the first octet of a Class B network address?

1-127

128-190

129-192

1-126

128-191

Question 21 of 25

Question 22 of 25

22. Refer to the exhibit. What does JAX do with link-state packets from ORL?

Queries BOS to see if it has a better route

Sends out the individual link-state packets out the interface connected to BOS

Sends out its updated routing table to both ORL and BOS routers

Only adds it to the local routing table and performs no other actions

Question 22 of 25

Question 23 of 25

23. What is the valid host range the IP address 172.16.10.22 255.255.255.240 is a part of?

172.16.10.17 through 172.16.10.31

172.16.10.17 through 172.16.10.30

172.16.10.20 through 172.16.10.22

172.16.10.16 through 172.16.10.23

172.16.10.1 through 172.16.10.255

Question 23 of 25

Question 24 of 25

24. What are two advantages of using a link-state routing protocol instead of a distance vector routing protocol?

After the inital LSP flooding, they generally require less bandwidth to communicate changes in a topology

Each router independently determines the route to each network.

Link-state protocols require less router processor power than distance vector protocols

The topology database eliminates the need for a routing table.

Question 24 of 25

Question 25 of 25

25. If a host broadcasts a frame that includes a source and destination hardware address, and its purpose is to assign IP addresses to itself, which protocol at the Network layer does the host use?

ICMP

ARPA

TCP

RARP

IPX

Question 25 of 25

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2016-08-29

Zubair Asghar

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CCNA Quiz Online Test Mcqs

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CCNA Quiz Online Test Mcqs Questions with Answers

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