50 TOP CCNA Multiple Choice Questions and Answers for freshers pdf

The below List of 50 CCNA Certification Questions and Answers, CCNA Multiple Choice Questions and Answers pdf free download
1. When are link-state packets sent to neighbors?
 2. Why is it difficult for routing loops to occur in networks that use link-state routing?
 3. What two statements correctly describe the link state routing process?  
 4. What action does a link-state router take immediately upon receipt of an LSP from a neighboring router?
5. What two events will cause a link state router to send LSPs to all neighbors?  
6. Refer to the exhibit. What does JAX do with link-state packets from ORL?
7. Which database or table must be identical on all link-state routers within an area in order to construct an accurate SPF tree?
8. What feature do modern link-state protocols provide to minimize processing and memory requirements?
9. What is the final step in the link state routing process?
10. What are two advantages of using a link-state routing protocol instead of a distance vector routing protocol?  
11. Which algorithm is run by link-state routing protocols to calculate the shortest path to destination networks?
12. Which routers will router D receive hello packets?
13. What speeds up convergence in a network using link-state routing?
14. Refer to the exhibit. What kind of information would be seen in an LSP sent from router JAX to router ATL?
15. Which two routing protocols use Dijkstra’s shortest path first algorithm?  
16. Refer to the exhibit. Router B receives a packet with a destination address of What will router B do?
17. A network is converged and the routing tables are complete. When a packet needs to
be forwarded, what is the first criterion used to determine the best path in the routing table?
18. Refer to the exhibit. Which statement correctly describes this network?
19. The following entry is displayed in the routing table:
R [120/2] via, 00:00:26, Serial0/0/1 What type of route is this?
20. What determines if the router implements a classless route lookup process?
21. Refer to the exhibit. How many routes in this output qualify for use as ultimate routes?
22. Refer to the exhibit. Which statement correctly describes this network?
23. Refer to the exhibit. What protocol was used to distribute the routing information for
the network
24. Refer to the exhibit. What can be determined from this output?
25. Refer to the exhibit. The graphic contains partial contents of the routing table on
router E. Router E is running version 12.3 of the IOS and is configured for default
routing behavior. Router E receives a packet to forward. Which route in the routing
table will be searched first and why?
26. Refer to the exhibit. Router1 is running IOS version 12.2. What will the network
administrator need to do so that packets for unknown child routes of
will not be dropped?
27. Refer to the exhibit. With the ip classless command issued, what will router R2 do
with a packet destined for host
28. A router has the following entries in its routing table:
29. Refer to the exhibit. What parent network will automatically be included in the
routing table when the three subnets are configured on Router1?
30. Refer to the exhibit. What subnet mask will Router1 apply to child routes of the network?
31. Refer to the exhibit. The network administrator has discovered that packets destined
for servers on the network are being dropped by Router2. What
command should the administrator issue to ensure that these packets are sent out the
gateway of last resort, Serial 0/0/1?
32. Refer to the exhibit. A packet destined for host is processed by the
JAX router. After finding the static route in the routing table that matches the
destination network for this packet, what does the router do next?
33. What occurs when no ip classless is implemented on the router?
34. A route to a destination network is learned from multiple routing protocols. What
is used by a Cisco router to select the preferred route to the destination that will be
installed in the routing table?
35. If a router cannot find a valid configuration file during the startup sequence, what will occur?
36. Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?
37. Refer to the exhibit. What can be concluded from the routing table output in the exhibit?  
38. Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame?  
39. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords.  
40. Which two statements correctly describe the components of a router?  
41. Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?
42. Which are functions of a router?  
43. Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network?  
44. The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site?  
45. Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?
46. The commands that are displayed determine the current operation of the router.
47. What is the outcome of entering these commands?
48. Which of the following is the correct flow of routines for a router startup?
49. What three processes does a router execute when it receives a packet from one network that is destined for another network?  
50. Which two statements describe characteristics of load balancing?