SkillTestPro | Cisco CCNA Practice Exam

Cisco Certified Network Associate CCNA Practice Test 1

Cisco CCNA Practice Quiz

1 / 30

What IPv6 transition method allows IPv6 packets to be encapsulated inside IPv4 packets for compatibility?

Dual Stack

NAT64

DNS64

Teredo

EUI-64

2 / 30

A network administrator needs to limit bandwidth usage for a specific application on a Cisco router. Which feature should be used?

Access Control Lists (ACLs)

Quality of Service (QoS)

VLAN Tagging

Spanning Tree Protocol (STP)

OSPF Cost

3 / 30

What does the command switchport mode dynamic desirable do on a switch interface?

Forces the port into access mode

Forces the port into trunk mode

Disables trunking

Sets the port to block all VLAN traffic

Allows the port to negotiate trunking if the other side is also set to negotiate

4 / 30

Which spanning-tree protocol version allows for faster convergence and multiple spanning-tree instances?

STP

RSTP

MST

PVST+

BPDU

5 / 30

What happens when a router receives a packet with a destination IP that is not in its routing table?

The router drops the packet

The router sends an ARP request

The router forwards it to the next available neighbor

The router sends an ICMP redirect

The router assigns a default route

6 / 30

What type of DNS record maps a domain name to an IPv6 address?

A Record

MX Record

AAAA Record

PTR Record

CNAME Record

7 / 30

A network engineer needs to establish a secure site-to-site VPN between two offices. Which protocol should be used?

L2TP

PPTP

SNMP

IPSec

Telnet

8 / 30

A router is configured with both OSPF and EIGRP for different network segments. A destination is reachable via both protocols. Which route will be preferred in the routing table?

The OSPF route

The EIGRP route

The route with the longest prefix match

The route learned first

The route with the highest metric

9 / 30

Which command would an administrator use to verify the status of a trunk port on a Cisco switch?

show ip interface brief

show interfaces trunk

show running-config

show vlan brief

show mac address-table

10 / 30

A network administrator wants to configure a switch to prevent unauthorized devices from connecting to specific ports. Which feature should be implemented?

Port Mirroring

VLAN Trunking

Port Security

STP

BPDU Guard

11 / 30

What is the default administrative distance of OSPF?

100

110

120

170

12 / 30

What type of NAT maps multiple private IP addresses to a single public IP?

Static NAT

Dynamic NAT

Port Address Translation (PAT)

Overlapping NAT

Loopback NAT

13 / 30

What does CDP (Cisco Discovery Protocol) primarily provide?

Encrypted data transfer

Neighbor device information

IP address assignment

Traffic monitoring

VPN connectivity

14 / 30

A router has multiple static routes to the same destination. Which one will be used?

The one with the highest metric

The one with the lowest administrative distance

The one with the longest subnet mask

The one configured last

The one with the most next-hop addresses

15 / 30

Which protocol is used to dynamically assign IP addresses to hosts?

NAT

DHCP

ARP

ICMP

BGP

16 / 30

Which ACL type inspects both source and destination IP addresses?

Standard ACL

Named ACL

Reflexive ACL

Extended ACL

Dynamic ACL

17 / 30

What type of OSPF network type requires a DR (Designated Router) and BDR (Backup Designated Router)?

Point-to-Point

Broadcast

Non-Broadcast Multi-Access

Loopback

Stub

18 / 30

What is the main purpose of a STP (Spanning Tree Protocol)?

Enables VLAN trunking

Prevents broadcast storms and loops

Provides dynamic IP addressing

Encrypts data transmissions

Enhances routing efficiency

19 / 30

What type of attack involves an attacker flooding a switch's CAM table with fake MAC addresses?

Man-in-the-middle

Denial-of-Service

MAC Address Flooding

MAC Address Spoofing

ARP Poisoning

20 / 30

What is the primary function of a trunk link in VLAN configurations?

Carries multiple VLANs over a single link

Blocks broadcast traffic

Carries only untagged traffic

Allows inter-VLAN routing

Connects only end-user devices

21 / 30

A switch receives a frame with a destination MAC address that is not in its MAC table. What will the switch do?

Drop the frame

Forward it to the default gateway

Send an ICMP request

Flood the frame out all ports except the source port

Generate an ARP request

22 / 30

What protocol is used for secure remote access to network devices and encrypts all communication?

Telnet

RSH

FTP

SSH

HTTP

23 / 30

Which Layer of the OSI model is responsible for reliable communication and error recovery?

Physical

Data Link

Network

Transport

Session

24 / 30

A network engineer wants to set a router to use DHCP to obtain its IP address. Which command should they use?

ip dhcp enable

service dhcp

dhcp pool dynamic

ip dhcp client

ip address dhcp

25 / 30

What type of address is FE80::1 in an IPv6 network?

Global Unicast

Multicast

Link-Local

Anycast

Loopback

26 / 30

A router in a network is receiving two identical OSPF routes with different cost values. Which route will be installed in the routing table?

The route with the highest cost

The route with the lowest cost

Both routes will be installed

The route from the router with the lowest IP address

The route from the router with the highest OSPF priority

27 / 30

A network administrator needs to verify the bandwidth of an interface and view errors, collisions, and drops. Which command should they use?

show interfaces

show running-config

show ip interface brief

show version

show vlan

28 / 30

A router in an EIGRP network has lost its successor route and is searching for an alternative path. What action does it take?

Transitions to a passive state

Broadcasts a RIP request

Sends a query packet to its neighbors

Enters a hold-down state

Flushes all routing table entries

29 / 30

A company is implementing VLANs and needs to ensure inter-VLAN communication. Which device is required?

Layer 2 Switch

Hub

Router

Layer 3 Switch

Bridge

30 / 30

A network engineer is configuring OSPF on a router with multiple interfaces. They need to prevent OSPF hello packets from being sent on an interface but still include the network in the OSPF topology. Which command should be used?

network area

ip ospf priority 0

ip ospf cost

passive-interface

no shutdown

Your score is

The average score is 69%

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