Nsa Computer Network Test Exam Review Questions And Ans| Latest Updates 2024/25 Approved| Wers, Rated A+

NSA COMPUTER NETWORK TEST EXAM REVIEW QUESTIONS AND ANSWERS, RATED A+ What are the 2 keys to decimal/hex/octal/binary conversions? - -1. Binary is the intermediary 2. BE CAREFUL What is endianness? - -The order or sequence of bytes of a word of digital data in computer memory What is big endian? - -The most significant byte is stored at the smallest memory address and the least significant byte is stored at the largest memory address What is little endian? - -The most significant byte is stored at the largest memory address and the least significant byte is stored at the smallest memory address With regards to endianness, what is "network order?" - -Network order refers to data being sent across a medium in big endian (most significant byte first) in the Internet Protocol What is the endianness of most processor architectures, including Intel x86, AMD x86-64, ARM, and RISK-V? - -Little endian In what two situations is paying attention to endianness important? - -1. When sending data between two different computers. The communication protocol must ensure that even if the two computers' endianness differs, the data isn't corrupted. IP does this by defaulting to network order. 2. When investigating memory dumps. You must understand the endianness of the computer whom the memory dump comes from to properly be able to analyze the dump. 4 part memory hierarchy - -1. Registers 2. Caches 3. Main memory 4. Storage How many bytes are in a word? - -2 bytes How many bytes are in a single ASCII character? - -1 byte How many bytes are in a single UTF-8 character? - -1 to 4 bytes (variable) What are the 5 segments of a process's memory? - -From low to high addresses: 1. Text segment (code / executable instructio