Questions and Answers
A Class A IP address has how many locked octets?
1
What does 255 mean in a subnet mask?
It indicates that the corresponding bits are used for the network part of the address.
NAT routers usually have a public address on the WAN side and a private address on the LAN side.
True
How many bits are in an IPv6 address?
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Which service uses port 445?
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What is the maximum number of characters in an FQDN?
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Study Notes
IP Addressing
- A Class A IP address is defined by having 1 locked octet, which identifies the network portion of the address.
Subnet Masks
- In networking, a value of 255 in a subnet mask indicates that the corresponding octet is part of the network address, showing that all bits in that octet are used for the network.
NAT Routers
- NAT (Network Address Translation) routers typically possess a public IP address on the WAN (Wide Area Network) side and a private IP address on the LAN (Local Area Network) side, facilitating communication between different networks while internal addresses remain hidden.
IPv6 Addressing
- An IPv6 address consists of 128 bits, a significant increase from the 32 bits in IPv4, allowing for a vastly larger address space.
Networking Protocols
- SMB (Server Message Block) is a network file sharing protocol that operates using port 445, enabling applications to read and write to files and request services from server programs.
Fully Qualified Domain Name (FQDN)
- The maximum character length for a Fully Qualified Domain Name (FQDN) is 255 characters, including dots, which separate the different levels of the domain hierarchy.
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Description
This quiz covers key concepts from Chapter 19 of the Local Area Networking course. It focuses on important terminology and definitions related to Class A IP addresses, subnet masks, and NAT routers. Test your knowledge and reinforce your understanding of local area networking concepts.
