Networking Fundamentals Flashcards
7 cards from real CCST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Networking Fundamentals flashcards as text
What is the purpose of the ARP protocol?
Answer: Map IP addresses to MAC addresses
ARP (Address Resolution Protocol) resolves a known IP address to its corresponding MAC address on a local network segment.
Which cable type uses light pulses to transmit data and is immune to electromagnetic interference?
Answer: Fiber optic
Fiber optic cable transmits data as pulses of light through glass or plastic strands, making it immune to EMI and capable of long-distance transmission.
A device receives the IP address 169.254.45.10 automatically. What does this indicate?
Answer: DHCP was unavailable and APIPA assigned a link-local address
A 169.254.x.x address is an APIPA (Automatic Private IP Addressing) address assigned by Windows when no DHCP server is reachable.
Which topology connects all devices to a single central device such as a switch or hub?
Answer: Star
In a star topology, all end devices connect to a central switch or hub, making troubleshooting easier and limiting the impact of a single cable failure.
What is the maximum cable length for a standard Cat5e or Cat6 Ethernet run?
Answer: 100 meters
IEEE 802.3 standards specify a maximum horizontal cable run of 100 meters (328 feet) for copper Ethernet (Cat5e/Cat6).
Which command on a Windows PC displays the routing table?
Answer: route print
'route print' displays the IPv4 and IPv6 routing tables on a Windows system, showing network destinations, gateways, and interfaces.
How many usable host addresses are available in a /30 subnet?
Answer: 2
A /30 subnet has 4 total addresses: 1 network address, 1 broadcast address, and 2 usable host addresses — commonly used for point-to-point links.