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CCNA Networking Fundamentals Flashcards
Cisco CCNA 200-301 Flashcards
| Front | Back |
| Address type unique to each network device? | MAC address |
| Bits in an IPv4 address? | 32 bits |
| Broadcast domain? | Logical area where broadcasts are received |
| CIDR stands for? | Classless Inter-Domain Routing |
| Default gateway? | IP address of router for external traffic |
| Default subnet mask for Class C? | 255.255.255.0 |
| Device used to connect different networks? | Router |
| Difference between TCP and UDP? | TCP is connection-oriented; UDP is connectionless |
| DNS stands for? | Domain Name System |
| Function of a subnet mask? | Defines network and host portions of an IP |
| IP address for local loopback testing? | 127.0.0.1 |
| Layer of the OSI model responsible for routing? | Network layer |
| Max host addresses in a /24 subnet? | 254 |
| OSI layer for switch operation? | Data Link layer (Layer 2) |
| OSI model layer for data encryption? | Presentation layer |
| Port number for FTP data transfer? | Port 20 |
| Protocol for email retrieval? | IMAP or POP3 |
| Protocol for secure remote access? | SSH (Secure Shell) |
| Protocol to assign IP addresses dynamically? | DHCP (Dynamic Host Configuration Protocol) |
| Protocol to find a device's MAC address? | ARP (Address Resolution Protocol) |
| Protocol used to map IP to MAC? | ARP (Address Resolution Protocol) |
| Purpose of a VLAN? | To segment a network logically without physical separation |
| Purpose of DHCP? | To automatically assign IP addresses |
| Purpose of ICMP? | To send error and diagnostic messages |
| Purpose of NAT? | To translate private IPs to public IPs |
| Range of Class A IP addresses? | 1.0.0.0 to 126.255.255.255 |
| Role of a default gateway? | Routes traffic from local network to other networks |
| Subnet mask for a /16 network? | 255.255.0.0 |
| Well-known port number for HTTP? | Port 80 |
| Well-known port number for HTTPS? | Port 443 |
Study key CCNA networking concepts with this flashcard deck. Covers OSI model layers, IP addressing, subnetting, VLANs, protocols like DHCP, ARP, and NAT, port numbers, and device functions. Great for learning routing, switching, security, and foundational network operations. A helpful tool for passing the CCNA exam or sharpening basic networking skills.