CCST Level 3

Question 1

Which Cisco IOS command displays the currently running configuration?

Accepted Answer

show running-config

Answer

show startup-config

Answer

show version

Answer

show flash

Question 2

What is the purpose of the subnet mask in IPv4 networking?

Accepted Answer

To divide an IP address into network and host portions

Answer

To encrypt network traffic

Answer

To assign IP addresses automatically

Answer

To translate domain names

Question 3

Which OSI layer handles logical addressing and routing?

Accepted Answer

Layer 3 - Network

Answer

Layer 1 - Physical

Answer

Layer 2 - Data Link

Answer

Layer 4 - Transport

Question 4

What does the TCP three-way handshake establish?

Accepted Answer

A reliable connection between two hosts using SYN, SYN-ACK, and ACK messages

Answer

A UDP connection

Answer

An encrypted tunnel between routers

Answer

A VLAN trunk between switches

Question 5

What is the function of DHCP in a network?

Accepted Answer

To automatically assign IP addresses and network configuration to devices

Answer

To resolve domain names

Answer

To route packets between networks

Answer

To encrypt data during transmission

Question 6

Which wireless security protocol provides the strongest encryption for modern Wi-Fi?

Accepted Answer

WPA3

Answer

WEP

Answer

WPA

Answer

WPA2