Posts tagged “ネットワーク”
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AP Subject A 34 — Wireless LAN: from CSMA/CA, hidden terminals and channel design to WPA3 and 802.1X
AP Subject A supplement on wireless LAN: APs and SSIDs, CSMA/CA, hidden terminals and RTS/CTS, 2.4/5/6 GHz channels, Wi-Fi 4–6E, MIMO, roaming, HaLow, WPA2/WPA3, 802.1X, 5 original questions.
AP Subject A 16: Network Layers, TCP/UDP, and Ports
OSI and TCP/IP layers, connection devices, MAC/IP/port roles, encapsulation, TCP vs UDP, and well-known ports for AP Subject A, with a traced HTTPS connection and five original questions.
AP Subject A 17: IPv4 Subnets, CIDR, and Routing Decisions
IPv4 masks and AND, subnet ranges, equal subnetting, CIDR aggregation, longest-prefix routing, and private address ranges for AP Subject A, with worked examples and five original questions.
AP Subject A 18: DNS, HTTP, TLS, and Mail Communication
DNS roles and TTL, HTTP status codes, cookies, sessions and caching, TLS in HTTPS, HTTP/3 over QUIC, and SMTP, POP3 and IMAP for AP Subject A, with a URL trace and five original questions.
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