Cisco CCNA Exam 1

1. The TCP protocol is preferred over the UDP protocol as TCP is a reliable and connection-oriented transport protocol. Which options define the basic operations of reliability?

2. Match the type of cable with its usage
Straight-through cable
Used to connect the same type of devices e.g. one PC to another

Unselect

Used to connect different types of devices e.g. a PC to a switch

Unselect

Used to connect a PC to a router's console port

Unselect

Rollover cable
Used to connect the same type of devices e.g. one PC to another

Unselect

Used to connect different types of devices e.g. a PC to a switch

Unselect

Used to connect a PC to a router's console port

Unselect

Crossover cable
Used to connect the same type of devices e.g. one PC to another

Unselect

Used to connect different types of devices e.g. a PC to a switch

Unselect

Used to connect a PC to a router's console port

Unselect

3. A router receives a packet with the destination address 192.168.10.1. The routing table does not have an entry to match the destination address. Which of the following statements are correct with regard to the routing decision?

4. Which of the following statements necessitate the use of IPv6 addressing scheme in new site deployments?

5. You work as a network engineer in a company and have been asked to configure inter-VLAN routing so that communication between VLANs takes place. You are using a Cisco router and a switch. Which of the following should be configured to achieve this requirement?

6. A network engineer needs to use switches to break up collision domains and routers to break up broadcast domains

7. You work as a network engineer in a company. There is no dynamic routing protocol configured on the core router. All routing is done using static routes. Which of the following are some of the drawbacks of using static routing?

8. The routing protocols are assigned a default administrative distance and it cannot be modified at the CLI level

9. Match the TCP and UDP port number with its usage
Port 25
Assigned to SMTP

Unselect

Assigned to RDP

Unselect

Assigned to DNS

Unselect

Assigned to FTP

Unselect

Assigned to HTTP

Unselect

Port 53
Assigned to SMTP

Unselect

Assigned to RDP

Unselect

Assigned to DNS

Unselect

Assigned to FTP

Unselect

Assigned to HTTP

Unselect

Port 21
Assigned to SMTP

Unselect

Assigned to RDP

Unselect

Assigned to DNS

Unselect

Assigned to FTP

Unselect

Assigned to HTTP

Unselect

Port 80
Assigned to SMTP

Unselect

Assigned to RDP

Unselect

Assigned to DNS

Unselect

Assigned to FTP

Unselect

Assigned to HTTP

Unselect

Port 3389
Assigned to SMTP

Unselect

Assigned to RDP

Unselect

Assigned to DNS

Unselect

Assigned to FTP

Unselect

Assigned to HTTP

Unselect

10. You have a configured EIGRP and OSPF routing protocols in your network. For one particular route, the router needs to select between the EIGRP route and the OSPF route. Which route will the router select and why?

11. Which command provides the below output?

12. R1 and R2 are connected as shown in the diagram.

Both routers directly connected interfaces are up and configured as shown below

R1#sh run int gi0/0
interface GigabitEthernet0/0
ip address 192.168.10.5 255.255.255.252

R2#sh run int gi0/0
interface GigabitEthernet0/0
ip address 192.168.10.9 255.255.255.252

The command 'ping 192.168.10.9' fails when executed from R1. What could be an issue?

13. Which of the following statements are true regarding the Internet Control Message Protocol (ICMP)?

14. Match the EIGRP packet type with its function
Hello packets
Used for neighbour discovery

Unselect

Used to reliably respond to a query packet

Unselect

Used to convey reachability of destinations

Unselect

Used to reliably request routing information

Unselect

Update packets
Used for neighbour discovery

Unselect

Used to reliably respond to a query packet

Unselect

Used to convey reachability of destinations

Unselect

Used to reliably request routing information

Unselect

Query packets
Used for neighbour discovery

Unselect

Used to reliably respond to a query packet

Unselect

Used to convey reachability of destinations

Unselect

Used to reliably request routing information

Unselect

Reply packets
Used for neighbour discovery

Unselect

Used to reliably respond to a query packet

Unselect

Used to convey reachability of destinations

Unselect

Used to reliably request routing information

Unselect

15. Refer to the following output

Which Cisco Internetwork Operating System (IOS) command produces this output?

16. Match VLAN Trunking Protocol (VTP) mode of operation with its description
Client mode
In this mode, switch does not synchronize its VLAN configuration with the domain

Unselect

In this mode, VLANs cannot be created, deleted, or modified from a switch

Unselect

In this mode a switch can create, delete, or modify VLANs

Unselect

Server mode
In this mode, switch does not synchronize its VLAN configuration with the domain

Unselect

In this mode, VLANs cannot be created, deleted, or modified from a switch

Unselect

In this mode a switch can create, delete, or modify VLANs

Unselect

Transparent mode
In this mode, switch does not synchronize its VLAN configuration with the domain

Unselect

In this mode, VLANs cannot be created, deleted, or modified from a switch

Unselect

In this mode a switch can create, delete, or modify VLANs

Unselect

17. When the  following command is issued on a router, the configuration is saved in the volatile random access memory (RAM)

copy running-config startup-config

18. Some of the benefits of using spanning tree protocol (STP) are?

19. Which Cisco IOS command would produce the following output?

20. Which are the two frame tagging methods supported on Cisco devices?

21. The output of the 'show ip route' command is shown below:

Route '10.230.20.1' is learned from RIP and OSPF, which of the following statements are true about this route?

22. You work as a network engineer in a company and have been asked to implement dynamic routing protocol in the company's network. You have decided to use EIGRP over RIP version 2. Which of the following features are offered by EIGRP?

23. Which of the following topologies are not used in Wide Area Networks (WANs)?

24. How many IP addresses can be assigned to hosts in subnet 10.200.30.64/27?

25. Which is the shortest possible notation of the following Internet Protocol version 6 (IPv6) address?
2001:0DC7:0000:0001:0000:0000:0000:F00D

26. Enhanced Interior Gateway Routing Protocol (EIGRP) uses Shortest Path First (SPF) algorithm to select the best path to the destination

27. Examine the following output from a cisco router

Which statements are true regarding the above output?

28. Examine the following output

Which statements are correct regarding the above output?

29. Which of the following statements are not true regarding Internet Protocol version 6 (IPv6) addresses?

30. For two OSPF routers to form an adjacency, which of the following conditions should be satisfied?

31. In SDN architecture, control plane functions are found on the controller and each network device has its own data plane

32. Match the Software-Defined Access (SDA) terms with the correct description
Fabric
Refers to combination of both overlay and underlay

Unselect

Runs on top of the physical infrastructure and can virtualize the network communication across devices

Unselect

Refers to physical infrastructure

Unselect

Underlay network
Refers to combination of both overlay and underlay

Unselect

Runs on top of the physical infrastructure and can virtualize the network communication across devices

Unselect

Refers to physical infrastructure

Unselect

Overlay network
Refers to combination of both overlay and underlay

Unselect

Runs on top of the physical infrastructure and can virtualize the network communication across devices

Unselect

Refers to physical infrastructure

Unselect

33. In Class-Based Weighted Fair Queuing, each queue can be given an amount of guaranteed bandwidth

34. Which of these are non-overlapping channels in 2.4 GHz band? 

35. In which architecture, wireless LAN controller is configured as the centralized device that manages all access points in the network

36. Match the address with its correct size in bits
IPv6 address
48-bits

Unselect

128-bits

Unselect

32-bits

Unselect

IPv4 address
48-bits

Unselect

128-bits

Unselect

32-bits

Unselect

MAC address
48-bits

Unselect

128-bits

Unselect

32-bits

Unselect

37. BGP does not automatically discover neighbours like other dynamic routing protocols e.g. OSPF and EIGRP, BGP neighbours have to be explicitly configured. Which command is used to configure a BGP neighbour?

38. Match the Cisco IOS logging command with its usage
logging buffer
Used to limit the severity level of syslog messages

Unselect

Used to enable logging messages to the console session

Unselect

Used to change the size of buffer to store syslog messages

Unselect

logging trap
Used to limit the severity level of syslog messages

Unselect

Used to enable logging messages to the console session

Unselect

Used to change the size of buffer to store syslog messages

Unselect

logging console
Used to limit the severity level of syslog messages

Unselect

Used to enable logging messages to the console session

Unselect

Used to change the size of buffer to store syslog messages

Unselect

39. When a cisco wireless access point is configured in lightweight mode, It can be configured to operate in which of the following special-purpose modes?

40. What are the few benefits of using a wireless LAN controller?

41. What are the few advantages of using controller-based networks over traditional networks?

42. What are some of the few benefits provided by Cisco Digital Network Architecture (DNA)?

43. When the information is requested or received from the REST API, it is delivered in different formats. The two most common formats are?

44. Which of the following are some of the few configuration management tools that help in maintaining network devices in a desired and consistent state?

45. Examine the below JSON object and array

{
“Router_R1”: [
“192.168.10.1”,
“Serial number”,
“Model number”
],

“Router_R2”: [
“192.168.10.2”,
“Serial number”,
“Model number”
],

}

Which of the following two statements are true regarding the above JSON code?

 

46. You have created an EtherChannel between two routers to provide redundancy and more boost bandwidth, but for some reason, EtherChannel is not coming up. You have done the following configuration. What could be the issue?

R1#show run interface g1/0
interface GigabitEthernet1/0
no ip address
negotiation auto
channel-group 10
end

R1#show run interface g2/0
interface GigabitEthernet2/0
no ip address
negotiation auto
channel-group 1
end

47. Which of the following is a valid range for extended VLANs?

48. Which of the following commands are valid to configure an access port with VLAN number 10 and a trunk port with encapsulation ISL?

49. Which of the following are the two authentication methods to implement a Point-to-Point Protocol (PPP) connection?

50. You are troubleshooting a GRE tunnel issue where the tunnel line protocol status is showing down as shown below

What could be the possible causes of an issue?


 

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