Computer Networking Concepts Flashcard

Front

What is the purpose of a cable modem?

Back

To provide internet access by connecting to a cable service provider.

Answer explanation

The cable modem's primary purpose is to provide internet access by connecting to a cable service provider, allowing users to access the internet through their cable network.

Front

A technician is searching through a storage locker and finds an access point. What is the purpose of this device?

Back

To provide wireless connectivity to devices

Answer explanation

The access point's primary purpose is to provide wireless connectivity to devices, allowing them to connect to a network without physical cables.

Front

What is a common function of a proxy server?

Back

To act as an intermediary for requests from clients seeking resources from other servers

Answer explanation

A proxy server acts as an intermediary, forwarding client requests to other servers and returning the responses. This function helps in managing traffic, enhancing security, and improving performance.

Front

What is the purpose of an unmanaged switch?

Back

To connect devices within a network and forward data based on MAC addresses

Answer explanation

An unmanaged switch connects devices within a network and forwards data based on MAC addresses, allowing for efficient communication. This distinguishes it from managed switches, which offer configuration options.

Front

A technician is searching through a storage locker and finds a router. What is the purpose of this device?

Back

To route data packets between different networks

Answer explanation

The correct choice is 'To route data packets between different networks' because routers are specifically designed to direct traffic between various networks, ensuring data reaches its intended destination.

Front

What is the purpose of an Ethernet NIC?

Back

To connect a computer to a network using an Ethernet cable.

Answer explanation

An Ethernet NIC (Network Interface Card) connects a computer to a network using an Ethernet cable, enabling wired communication. This is the primary function of the device, distinguishing it from wireless or other types of connectivity.

Front

A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?

Back

SNMP

Answer explanation

The destination port number 161 is associated with SNMP (Simple Network Management Protocol). Therefore, the client is requesting SNMP services from the server.

Front

What is the purpose of a Cisco ASA 5505-X (UTM)?

Back

To provide unified threat management including firewall, VPN, and intrusion prevention.

Answer explanation

The Cisco ASA 5505-X is designed for unified threat management, providing essential security features like firewall protection, VPN access, and intrusion prevention, making it crucial for safeguarding network environments.

Front

What is the purpose of a cloud-based network controller?

Back

To manage and configure network devices remotely.

Answer explanation

A cloud-based network controller allows technicians to manage and configure network devices remotely, streamlining network administration and improving efficiency.