Cisco CCNA (200-301)

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This quiz randomly generates 60 questions as asked in Cisco CCNA (200-301)

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CCNA Certification Exam (200-301)

This quiz randomly generates 60 questions (in 60 mins) as asked in Cisco Certified Network Associate (CCNA) certification (200-301). The real 200-301 CCNA test has 100-120 questions and a total time of 120 minutes. This test randomly generates 60 questions from our question bank. For best results, practice multiple times until you achieve 100% accuracy.

1 / 65

A network administrator needs to configure a serial link between the main office and a remote location. The

router at the remote office is a non-Cisco router. How should the network administrator configure the serial

interface of the main office router to make the connection?

Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# no shut

Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation ppp
Main(config-if)# no shut

Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation frame-relay
Main(config-if)# authentication chap
Main(config-if)# no shut

Main(config)# interface serial 0/0
Main(config-if)#ip address 172.16.1.1 255.255.255.252
Main(config-if)#encapsulation ietf
Main(config-if)# no shut

2 / 65

When using a REST API, what is the function of the "URI" (Uniform Resource Identifier)?

It encrypts the password.

It identifies the specific resource (like a specific interface or user) you want to interact with.

It translates the JSON data into binary.

It confirms the API key is valid.

3 / 65

Which command sequence can you enter to create VLAN 20 and assign it to an interface on a switch?

Switch(config)#vlan 20
Switch(config)#Interface gig x/y
Switch(config-if)#switchport access vlan 20

Switch(config)#Interface gig x/y
Switch(config-if)#vlan 20
Switch(config-vlan)#switchport access vlan 20

Switch(config)#vlan 20
Switch(config)#Interface vlan 20
Switch(config-if)#switchport trunk native vlan 20

Switch(config)#vlan 20
Switch(config)#Interface vlan 20
Switch(config-if)#switchport access vlan 20

Switch(config)#vlan 20
Switch(config)#Interface vlan 20
Switch(config-if)#switchport trunk allowed vlan 20

4 / 65

What is the Class A Private addresses range?

10.0.0.0 to 255.255.255.0

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

240.0.0.0 to 255.255.255.255

5 / 65

Refer to the exhibit. The following commands are executed on interface fa0/1 of 2950 Switch.

2950Switch(config-if)# switchport port-security

2950Switch(config-if)# switchport port-security mac-address sticky

2950Switch(config-if)# switchport port-security maximum 1

The Ethernet frame that is shown arrives on interface fa0/1. What two functions will occur when this frame

is received by 2950Switch? (Choose two.)

The MAC address table will now have an additional entry of fa0/1 FFFF.FFFF.FFFF.

Only host A will be allowed to transmit frames on fa0/1.

This frame will be discarded when it is received by 2950Switch.

All frames arriving on 2950Switch with a destination of 0000.00aa.aaaa will be forwarded out fa0/1.

Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be forwarded out fa0/1.

Only frames from source 0000.00bb.bbbb, the first learned MAC address of 2950Switch, will be forwarded out fa0/1.

6 / 65

Which of the following describes the function of a Collision Domain in a network connected by a modern Layer 2 switch?

Each individual port on the switch represents its own collision domain.

All ports on the switch belong to a single, large collision domain.

Collision domains only exist if a router is used to separate them.

A switch uses CSMA/CD to manage collisions across all ports simultaneously.

7 / 65

What is the specific purpose of the ip helper-address command on a Cisco router interface?

It enables the router to act as a DHCP server for the local subnet.

It translates private IP addresses into a single public IP address.

It forwards UDP broadcast traffic (like DHCP requests) to a specific unicast IP address on a different subnet.

It provides a secondary IP address to an interface for redundancy.

8 / 65

What are two requirements for an HSRP group? (Choose two.)

exactly one active router

one or more standby routers

one or more backup virtual routers

exactly one standby active router

exactly one backup virtual router

9 / 65

What is the default Administrative Distance (AD) of an OSPF route?

110

120

10 / 65

What is "SSID" in the context of Wireless LANs?

The encryption key used for WPA3.

The MAC address of the Access Point.

The human-readable name that identifies the wireless network.

The frequency band used (2.4 or 5 GHz).

11 / 65

Which file format does Ansible use for its Playbooks?

XML

JSON

YAML

Python

12 / 65

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers

cannot establish an adjacency relationship on their common Ethernet link.

The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on

the information in the graphic, what is the cause of this problem?

The OSPF area is not configured properly.

The priority on R1 should be set higher.

The cost on R1 should be set higher.

The hello and dead timers are not configured properly.

A backup designated router needs to be added to the network.

The OSPF process ID numbers must match.

13 / 65

Which type of Ethernet cable is most susceptible to Electromagnetic Interference (EMI)?

UTP (Unshielded Twisted Pair)

STP (Shielded Twisted Pair)

Single-mode Fiber

Multimode Fiber

14 / 65

Which two statements about IPv6 and routing protocols are true? (Choose two.)

Link-local addresses are used to form routing adjacencies.

OSPFv3 was developed to support IPv6 routing.

EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.

Loopback addresses are used to form routing adjacencies.

EIGRPv3 was developed to support IPv6 routing.

15 / 65

Which of the following is a valid JSON key-value pair?

'interface': 'GigabitEthernet1'

"interface" = "GigabitEthernet1"

"interface": "GigabitEthernet1"

<interface>GigabitEthernet1</interface>

16 / 65

What is the primary benefit of using EtherChannel in a switched network?

It prevents loops without needing Spanning Tree Protocol.

It allows multiple physical links to be treated as a single logical bundle for increased bandwidth and redundancy.

It automatically assigns VLANs based on the device MAC address.

It encrypts all traffic between two switches at Layer 2.

17 / 65

What is the Class C Private addresses range?

10.0.0.0 to 255.255.255.0

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

240.0.0.0 to 255.255.255.255

18 / 65

Which network topology is typically associated with Cisco ACI (Application Centric Infrastructure) and modern data center designs to effectively handle East-West traffic?

Three-Tier Architecture

Spine-Leaf

Ring

Hub-and-Spoke

19 / 65

Which of the following are commonly used encoding methods for data in REST APIs? (Choose two)

XML

YAML

JSON

HTML

SNMP

20 / 65

A router receives a packet for 192.168.1.155. It has routes for 192.168.1.0/24 and 192.168.1.128/25. Which route will it use?

192.168.1.128/12

192.168.1.128/24

192.168.1.128/25

None of the above

21 / 65

What is the Default Subnet Masks for Class A IPv4 addresses?

255.0.0.0 (or /8)

255.255.0.0 (or /16)

255.255.255.0 (or /24)

255.255.255.255 (or /32)

22 / 65

When viewing a JSON data object, what do square brackets [ ] represent?

A single key-value pair.

An unordered list of objects.

An ordered array or list of values.

The beginning and end of the entire JSON file.

23 / 65

In a Wireless LAN, what is the role of a Wireless LAN Controller (WLC) in a "Split-MAC" architecture?

It handles real-time MAC operations like beaconing and frame acknowledgment.

It stores the data traffic locally so it doesn't have to travel to the wired network.

It manages centralized tasks like security, roaming, and radio resource management.

It provides power to the Access Points via Ethernet cables.

24 / 65

Which field in the IPv4 header is used to prevent a packet from looping indefinitely on a network?

Protocol

Type of Service (ToS)

Time to Live (TTL)

Header Checksum

25 / 65

Which fiber connector type is "Push-Pull" and typically used for high-density patching?

ST (Straight Tip)

SC (Subscriber Connector)

LC (Lucent Connector)

FC (Ferrule Connector)

26 / 65

Which configuration management tool is "Agentless" and uses SSH for communication?

Chef

Puppet

Ansible

SaltStack

27 / 65

Which of the following statement is true for Class A addresses?

(128.0.0.0 – 191.255.255.255): Used for medium to large networks.

(192.0.0.0 – 223.255.255.255): Used for small networks.

(224.0.0.0 – 239.255.255.255): Reserved for multicast groups.

(0.0.0.0 – 127.255.255.255): Reserved for large organizations; 127.x.x.x is used for loopback/testing.

(240.0.0.0 – 255.255.255.255): Reserved for experimental/future use.

28 / 65

Which of the following is a "Physical" security control?

Firewall rules

WPA3 Encryption

Badge readers and biometric scanners

Strong password policies

29 / 65

Is the address 10.1.5.63/26 a host address, a network ID, or a broadcast address?

Host address

Network ID

Broadcast address

None of the above

30 / 65

What is the Default Subnet Masks for Class B IPv4 addresses?

255.0.0.0 (or /8)

255.255.0.0 (or /16)

255.255.255.0 (or /24)

255.255.255.255 (or /32)

31 / 65

Which of the following range is reserved for multicast groups?

(128.0.0.0 – 191.255.255.255)

(192.0.0.0 – 223.255.255.255)

(224.0.0.0 – 239.255.255.255)

(0.0.0.0 – 127.255.255.255)

(240.0.0.0 – 255.255.255.255)

32 / 65

Which device makes forwarding decisions based on destination IP addresses?

Layer 2 Switch

Hub

Router

Access Point

33 / 65

Which format is most commonly used by modern SDN controllers to send data to an application via a REST API?

HTML

JSON

SQL

CSV

34 / 65

In the context of SDN (Software-Defined Networking), which "direction" does the Northbound API face?

Between the SDN Controller and the physical switches (Data Plane).

Between the SDN Controller and the applications or network management scripts.

Between two different SDN Controllers in different data centers.

Between the physical switch and the end-user device.

35 / 65

In a standard Three-Tier Campus architecture, which layer is primarily responsible for enforcing security policies and aggregating user traffic?

Access Layer

Core Layer

Distribution Layer

Edge Layer

36 / 65

Which set of commands is recommended to prevent the use of a hub in the access layer?

switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security maximum 1

switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security mac-address 1

switch(config-if)#switchport mode access
switch(config-if)#switchport port-security maximum 1

switch(config-if)#switchport mode access
switch(config-if)#switchport port-security mac-address 1

37 / 65

Which type of VPN (Virtual Private Network) is typically used to connect a branch office to a corporate headquarters over the public internet?

Remote Access VPN

Site-to-Site VPN

Clientless SSL VPN

MPLS VPN

38 / 65

Which switch will become the root bridge of a Spanning Tree Protocol (STP) instance?

The switch with the highest Bridge ID (BID)

The switch with the lowest Priority value

The switch with the highest MAC address

The switch with the most active ports

39 / 65

In the context of Puppet, what is the term for the file that defines the desired state of a resource?

Playbook

Manifest

Recipe

Blueprint

40 / 65

Which type of fiber-optic cabling is most appropriate for a 10-kilometer link between two buildings?

Multimode (OM3)

Multimode (OM4)

Single-mode (OS2)

Shielded Twisted Pair (STP)

41 / 65

Which three commands can you use to set a router boot image? (Choose three.)

Router(config)# boot system flash c4500-p-mz.121-20.bin

Router(config)# boot system tftp c7300-js-mz.122-33.SB8a.bin

Router(config)#boot system rom c7301-advipservicesk9-mz.124-24.T4.bin

Router> boot flash:c180x-adventerprisek9-mz-124-6T.bin

Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T.bin

Router(config)#boot bootldr bootflash:c4500-jk9s-mz.122-23f.bin

42 / 65

What is the purpose of VLSM (Variable Length Subnet Masking)?

To allow subnets of different sizes within the same network space.

To allow subnets of different sizes within the different network space.

To allow subnets of same sizes within the same network space.

To allow subnets of same sizes within the different network space.

43 / 65

When an interface is configured with PortFast BPDU guard, how does the interface respond when it

receives a BPDU?

It continues operating normally.

It goes into a down/down state.

It becomes the root bridge for the configured VLAN.

It goes into an errdisable state.

44 / 65

Which interface counter can you use to diagnose a duplex mismatch problem?

no carrier

late collisions

giants

CRC errors

deferred

runts

45 / 65

Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-

in security mechanisms?

HDLC

PPP

X.25

Frame Relay

46 / 65

Which of the following statement is true for Class C addresses?

(128.0.0.0 – 191.255.255.255): Used for medium to large networks.

(192.0.0.0 – 223.255.255.255): Used for small networks.

(224.0.0.0 – 239.255.255.255): Reserved for multicast groups.

(0.0.0.0 – 127.255.255.255): Reserved for large organizations; 127.x.x.x is used for loopback/testing.

(240.0.0.0 – 255.255.255.255): Reserved for experimental/future use.

47 / 65

What is the binary representation of the decimal number 172?

10101110

10101100

10101111

11111100

48 / 65

How many host addresses are available in a standard Class C network?

254

49 / 65

Which IPv6 address type communication is restricted to a single local segment and is not routable?

Global unicast

Unique local

Link-local

Multicast

50 / 65

Which field in the TCP header allows the receiving device to reassemble segments in the correct order?

Window Size

Sequence Number

Acknowledgment Number

Checksum

51 / 65

Which of the following is the most secure method for managing a Cisco router remotely over an untrusted network?

Telnet

HTTP

SNMPv2c

SSH (Secure Shell)

52 / 65

Refer to the exhibit. The output that is shown is generated at a switch. Which three statements are true?

(Choose three.)

All ports will be in a state of discarding, learning, or forwarding.

Thirty VLANs have been configured on this switch.

The bridge priority is lower than the default value for spanning tree.

All interfaces that are shown are on shared media.

All designated ports are in a forwarding state.

This switch must be the root bridge for all VLANs on this switch.

53 / 65

What is the purpose of "Inside Global" in NAT terminology?

The private IP address of a host on the local network.

The public IP address assigned by the ISP that represents the internal host to the outside world.

The IP address of a web server located on the internet.

The MAC address of the NAT router.

54 / 65

What is the function of a Site-to-Site IPsec VPN's "Phase 1" (IKEv1/IKEv2)?

To encrypt the actual user data (payload).

To establish a secure management channel between the two VPN endpoints.

To assign IP addresses to remote clients.

To check if the remote office has a valid antivirus.

55 / 65

How many usable host addresses are available in a /30 subnet?

56 / 65

In a controller-based architecture, what is the function of a "Southbound API"?

It allows the controller to communicate with applications and business logic.

It allows the controller to communicate with the network devices (switches/routers).

It connects two different SDN controllers for redundancy.

It provides a graphical user interface (GUI) for the network administrator.

57 / 65

Which Cisco command displays the status of all interfaces, including their IP address and Layer 1/Layer 2 status?

show ip route

show interfaces

show ip interface brief

show version

58 / 65

Which IEEE standard defines the 802.1Q encapsulation used for VLAN Trunking?

802.3ad

802.11ax

802.1Q

802.1D

59 / 65

Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be

the most effective steps to troubleshoot this physical layer problem? (Choose three.)

Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

Ensure that cables A and B are straight-through cables.

Ensure cable A is plugged into a trunk port.

Ensure the switch has power.

Reboot all of the devices.

Reseat all cables.

60 / 65

At which layer of the OSI model does the concept of "Frames" exist?

Layer 1 (Physical)

Layer 2 (Data Link)

Layer 3 (Network)

Layer 4 (Transport)

61 / 65

What is the "Administrative Distance" (AD) of a Floating Static Route, and why is it used?

It has an AD of 1 to ensure it is always the preferred path.

It has an AD higher than the primary routing protocol (e.g., 120) to act as a backup.

It has an AD of 0 to represent a directly connected interface.

It has an AD of 5 to prioritize it over EIGRP.

62 / 65

What is the purpose of the Spanning Tree Protocol (STP) PortFast feature?

To speed up the convergence of the entire STP topology.

To allow an access port to transition immediately to the forwarding state, bypassing listening and learning states.

To protect the switch from receiving unauthorized BPDU messages.

To increase the bandwidth of a link by bundling physical interfaces.

63 / 65

Given the address 192.168.10.0/27, what is the subnet mask in dotted-decimal format?

224

250

64 / 65

A switchport is configured with switchport port-security violation restrict. What happens when a violation occurs?

The port is immediately shut down and must be manually re-enabled.

Traffic from the unauthorized MAC address is dropped, but the port remains up and a log message is generated.

The port is put into an error-disabled state.

The switch resets its MAC address table.

65 / 65

Why is UDP preferred over TCP for real-time voice and video traffic?

UDP guarantees delivery of every packet.

UDP encrypts the data by default.

UDP has lower overhead and lower latency because it does not require a handshake or retransmissions.

UDP establishes a dedicated circuit before sending data.

Your score is