SkillTestPro | Cisco CCNA Practice Test 7

Cisco CCNA Practice Test 7

Cisco CCNA Exam Practice Test

1 / 20

What does a Cisco router do first when booting up?

Loads the running configuration from NVRAM

Looks for a valid IOS image in flash memory

Checks for hardware failures

Initiates OSPF neighbor discovery

Starts VLAN negotiation

2 / 20

A network administrator wants to set a password for accessing privileged EXEC mode on a Cisco device. Which command should be used?

enable secret password

password enable

set password enable

configure password secret

privilege mode password

3 / 20

What does BGP primarily use to determine the best path to a destination?

Cost

Hop count

Administrative distance

AS Path

Link bandwidth

4 / 20

A network engineer wants to verify the IP address assigned to an interface. Which command should be used?

show vlan brief

show interfaces

show mac address-table

show ip interface brief

show running-config

5 / 20

What feature in Cisco routers protects against routing protocol spoofing attacks?

Route filtering

OSPF cost adjustment

Authentication for routing protocols

Dynamic NAT

VLAN pruning

6 / 20

What does the traceroute command help to determine?

The number of VLANs in a network

The path packets take to a destination

The MAC address of a device

The amount of broadcast traffic

The bandwidth usage on an interface

7 / 20

Which type of IPv6 address is equivalent to an IPv4 private address?

Global unicast

Link-local

Unique local

Anycast

Multicast

8 / 20

A router needs to establish a neighbor relationship with an OSPF router. What must match between the two routers?

Autonomous System Number

Subnet mask

Static route metric

Hello and Dead timers

Interface bandwidth

9 / 20

Which command is used to assign a switch port to VLAN 10?

switchport mode access

switchport access vlan 10

vlan 10 assign

set vlan 10

configure vlan 10

10 / 20

What is the purpose of the show running-config command on a Cisco device?

Displays the startup configuration

Shows real-time traffic logs

Shows active ARP entries

Displays the routing table

Displays the current configuration stored in RAM

11 / 20

What happens when a switch detects a topology change in STP?

The switch disables all ports

The switch enters forwarding state immediately

The switch recalculates the spanning tree and sends TCN BPDUs

The switch resets its MAC table

The switch enables trunking

12 / 20

Which IEEE standard defines Port-Based Network Access Control (PNAC)?

802.1Q

802.1X

802.3ad

802.11ac

802.1D

13 / 20

What is the main purpose of a Layer 3 switch?

Converts electrical signals

Blocks unauthorized MAC addresses

Performs routing functions

Manages VLAN configurations

Encrypts network traffic

14 / 20

What is the default administrative distance of a directly connected route in a Cisco router?

110

120

15 / 20

A network administrator is troubleshooting an issue where VLANs are not propagating between switches. Which protocol should be checked?

OSPF

RIP

VTP

SNMP

BGP

16 / 20

Which WAN technology uses cell-based switching to transmit data?

MPLS

ATM

Frame Relay

DSL

Metro Ethernet

17 / 20

A company wants to prioritize voice traffic over data traffic. Which technology should be implemented?

VLAN

NAT

STP

QoS

DHCP Snooping

18 / 20

Which security feature on Cisco switches prevents unauthorized devices from accessing a network by limiting the number of MAC addresses on a port?

Port Security

BPDU Guard

Storm Control

Spanning Tree Protocol

802.1X Authentication

19 / 20

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

Forward it to the default gateway

Drop the frame

Send an ARP request

Flood the frame out all ports except the one it was received on

Assign a new MAC address

20 / 20

A network engineer needs to configure a router to dynamically learn IPv6 routes from its neighbors. Which routing protocol should be used?

OSPFv2

EIGRP for IPv4

RIPng

BGP

HSRP

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