CCST Networking Fundamentals 4

Question 1

Which protocol operates at the Transport layer and provides connection-oriented, reliable data delivery?

Accepted Answer

TCP

Answer

TCP (Transmission Control Protocol) uses a three-way handshake, sequencing, and acknowledgments to ensure reliable, ordered data delivery.

Question 2

What is the well-known port number used by HTTPS?

Accepted Answer

443

Answer

HTTPS (HTTP Secure) uses TCP port 443 to provide encrypted web communications via TLS/SSL.

Question 3

Which device operates at Layer 1 of the OSI model and simply regenerates electrical signals?

Accepted Answer

Repeater

Answer

A repeater operates at the Physical layer, amplifying and regenerating signals to extend the distance of a network segment without inspecting traffic.

Question 4

What type of address is FF:FF:FF:FF:FF:FF?

Accepted Answer

Broadcast MAC address

Answer

FF:FF:FF:FF:FF:FF is the Layer 2 broadcast MAC address, causing all devices on a LAN segment to receive and process the frame.

Question 5

Which wireless standard operates exclusively in the 5 GHz band and offers speeds up to 3.5 Gbps?

Accepted Answer

802.11ac

Answer

802.11ac (Wi-Fi 5) operates only in the 5 GHz band and achieves theoretical speeds up to 3.5 Gbps using MU-MIMO and wider channels.

(CCST) Cisco Certified Support Technician Networking Practice Test

(CCST) Cisco Certified Support Technician Networking Practice Test

CCST Networking Fundamentals 4