CCST - Cisco Certified Support Technician Basic Routing and Switching Questions and Answers

Question 1

A network switch receives an Ethernet frame on its Fa0/1 port. The destination MAC address of the frame is unknown to the switch. Which action will the switch take?

Accepted Answer

Forward the frame out all ports except for Fa0/1

Answer

Drop the frame immediately

Answer

Send an ARP request to the default gateway

Answer

Hold the frame in a buffer until the destination MAC is learned

Question 2

What is the primary function of a default gateway in a host's IP configuration?

Accepted Answer

To provide a path for traffic destined for hosts on remote networks

Answer

To translate private IP addresses to public IP addresses

Answer

To resolve fully qualified domain names (FQDNs) to IP addresses

Answer

To dynamically assign an IP address to the host

Question 3

A PC with IP address 192.168.1.10 needs to send data to a server with IP address 192.168.1.50 on the same local Ethernet network. The PC does not have the server's MAC address in its cache. Which protocol will the PC use to find the MAC address of the server?

Accepted Answer

ARP

Answer

DHCP

Answer

DNS

Answer

ICMP

Question 4

A network administrator wants to improve security and network efficiency by segmenting a single physical switch into two separate logical networks: one for the 'Sales' department and one for the 'Engineering' department. Devices in one department should not be able to communicate directly with devices in the other at Layer 2. Which technology should be implemented?

Accepted Answer

Virtual Local Area Networks (VLANs)

Answer

Port Security

Answer

Network Address Translation (NAT)

Answer

Spanning Tree Protocol (STP)

Question 5

Which of the following statements correctly differentiates the roles of switches and routers concerning traffic domains?

Accepted Answer

A switch forwards broadcast traffic by default, and each of its ports is a separate collision domain.

Answer

A router creates a single broadcast domain, while a switch creates multiple broadcast domains.

Answer

A hub and a switch both create a separate collision domain for each port.

Answer

A router forwards all broadcast traffic by default to ensure all networks receive updates.

Question 6

A network technician is troubleshooting a connectivity issue and suspects a routing problem. On a Cisco router, which command would be used to display the table that the router uses to determine the best path to a destination network?

Accepted Answer

show ip route

Answer

show mac address-table

Answer

show interfaces

Answer

show arp

A network switch receives an Ethernet frame on its Fa0/1 port.The destination MAC address of the frame is unknown to the switch.Which action will the switch take?

A network switch receives an Ethernet frame on its Fa0/1 port.
The destination MAC address of the frame is unknown to the switch.
Which action will the switch take?