Cipher ⁽³⁸⁾

Virtual Private Networks have become ubiquitous in the last year or so as governments start implementing restrictions on social media and other online content. If rumours are to be believed, they will soon come for VPNs themselves! I’m not convinced every user understands that using…

Quiz Question 1 Which field in the 802.1q VLAN tag is used to implement Layer 2 Quality of Service? a) Type of Service (ToS) b) Priority Code Point (PCP) c) Differentiated Services Code Point (DSCP) d) EtherType In the standard DSCP mapping, which value is…

Quiz Question 1 What is the primary purpose of Spanning Tree Protocol in a network? a) To encrypt traffic between switches for better security. b) To prevent layer 2 loops and broadcast storms in redundant networks. c) To assign IP addresses to switches automatically. d)…

Quiz Question 1 How many bits are there in a single IPv6 address? a) 32 bits b) 64 bits c) 128 bits d) 256 bits Which protocol replaces the Address Resolution Protocol (ARP) in IPv6? a) SLAAC b) Neighbor Discovery Protocol (NDP) c) DHCPv6 d)…

IPv6 has been around for decades now. The reasons for it are well known; IPv4 simply does not have enough address space to accommodate the modern internet. A quick recap - an IPv4 address is 32 bits, which equates to roughly 4.3 billion unique addresses.